Item 1. Financial Statements.

ALIGN TECHNOLOGY, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(in thousands, except per share data)

(unaudited)

						Three Months Ended March 31,
						2024						2023
Net revenues						$	997,431					$	943,147
Cost of net revenues						299,615						282,493
Gross profit						697,816						660,654
Operating expenses:
Selling, general and administrative						451,822						439,691
Research and development						91,859						87,447
Total operating expenses						543,681						527,138
Income from operations						154,135						133,516
Interest income and other income (expense), net:
Interest income						4,392						2,337
Other income (expense), net						(141)						(1,229)
Total interest income and other income (expense), net						4,251						1,108
Net income before provision for income taxes						158,386						134,624
Provision for income taxes						53,358						46,826
Net income						$	105,028					$	87,798
Net income per share:
Basic						$	1.40					$	1.14
Diluted						$	1.39					$	1.14
Shares used in computing net income per share:
Basic						75,175						76,921
Diluted						75,322						77,111

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

ALIGN TECHNOLOGY, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in thousands)

(unaudited)

						Three Months Ended March 31,
						2024						2023
Net income						$	105,028					$	87,798
Other comprehensive income (loss):
Change in foreign currency translation adjustment, net of tax						(2,932)						10,474
Change in unrealized gains (losses) on investments, net of tax						203						1,645
Other comprehensive income (loss)						(2,729)						12,119
Comprehensive income						$	102,299					$	99,917

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

ALIGN TECHNOLOGY, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(in thousands, except per share data)

(unaudited)

						March 31, 2024						December 31, 2023
ASSETS
Current assets:
Cash and cash equivalents						$	865,805					$	937,438
Marketable securities, short-term						33,101						35,304
Accounts receivable, net of allowance for doubtful accounts of $16,026 and $14,893, respectively						950,738						903,424
Inventories						280,076						296,902
Prepaid expenses and other current assets						349,594						273,550
Total current assets						2,479,314						2,446,618
Marketable securities, long-term						3,619						8,022
Property, plant and equipment, net						1,281,709						1,290,863
Operating lease right-of-use assets, net						118,996						117,999
Goodwill						458,235						419,530
Intangible assets, net						121,424						82,118
Deferred tax assets						1,570,626						1,590,045
Other assets						121,831						128,682
Total assets						$	6,155,754					$	6,083,877
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable						$	117,238					$	113,125
Accrued liabilities						496,601						525,780
Deferred revenues						1,409,202						1,427,706
Total current liabilities						2,023,041						2,066,611
Income tax payable						121,314						116,744
Operating lease liabilities						95,092						96,968
Other long-term liabilities						156,447						173,065
Total liabilities						2,395,894						2,453,388
Commitments and contingencies (Note 7 and Note 8)
Stockholders’ equity:
Preferred stock, $0.0001 par value (5,000 shares authorized; none issued)						—						—
Common stock, $0.0001 par value (200,000 shares authorized; 75,281 and 75,075 issued and outstanding, respectively)						7						7
Additional paid-in capital						1,238,739						1,162,140
Accumulated other comprehensive income (loss), net						18,439						21,168
Retained earnings						2,502,675						2,447,174
Total stockholders’ equity						3,759,860						3,630,489
Total liabilities and stockholders’ equity						$	6,155,754					$	6,083,877

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

ALIGN TECHNOLOGY, INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(in thousands)

(unaudited)

						Common Stock												Additional Paid-In Capital						Accumulated Other Comprehensive Income (Loss), Net						Retained Earnings						Total
Three Months Ended March 31, 2024						Shares						Amount
Balance as of December 31, 2023						75,075						$	7					$	1,162,140					$	21,168					$	2,447,174					$	3,630,489
Net income						—						—						—						—						105,028						105,028
Net change in unrealized gains (losses) from investments						—						—						—						203						—						203
Net change in foreign currency translation adjustment						—						—						—						(2,932)						—						(2,932)
Issuance of common stock relating to employee equity compensation plans						328						—						14,339						—						—						14,339
Tax withholdings related to net share settlements of equity awards						(86)						—						(26,055)						—						—						(26,055)
Common stock repurchased and retired						(36)						—						—						—						—						—
Equity forward contract related to accelerated stock repurchase												—						49,527						—						(49,527)						—
Stock-based compensation						—						—						38,788												—						38,788
Balance as of March 31, 2024						75,281						$	7					$	1,238,739					$	18,439					$	2,502,675					$	3,759,860

						Common Stock												Additional Paid-In Capital						Accumulated Other Comprehensive Income (Loss), Net						Retained Earnings						Total
Three Months Ended March 31, 2023						Shares						Amount
Balance as of December 31, 2022						77,267						$	8					$	1,044,946					$	(10,284)					$	2,566,688					$	3,601,358
Net income						—						—						—						—						87,798						87,798
Net change in unrealized gains (losses) from investments						—						—						—						1,645						—						1,645
Net change in foreign currency translation adjustment						—						—						—						10,474						—						10,474
Issuance of common stock relating to employee equity compensation plans1						191						—						14,256						—						—						14,256
Tax withholdings related to net share settlements of equity awards						—						—						(20,857)						—						—						(20,857)
Common stock repurchased and retired						(942)						—						(11,387)						—						(280,973)						(292,360)
Equity forward contract related to accelerated stock repurchase						—						—						40,000						—						—						40,000
Stock-based compensation						—						—						37,735						—						—						37,735
Balance as of March 31, 2023						76,516						$	8					$	1,104,693					$	1,835					$	2,373,513					$	3,480,049
1 Includes tax withholding shares related to net share settlements of equity awards.

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

ALIGN TECHNOLOGY, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in thousands)

(unaudited)

						Three Months Ended March 31,
						2024						2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income						$	105,028					$	87,798
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred taxes						18,047						(18,417)
Depreciation and amortization						32,946						35,820
Stock-based compensation						38,788						37,735
Non-cash operating lease cost						9,612						7,755
Other non-cash operating activities						(2,359)						11,586
Changes in assets and liabilities, net of effects of acquisitions:
Accounts receivable						(69,589)						(32,734)
Inventories						15,573						24,008
Prepaid expenses and other assets						(79,160)						(26,850)
Accounts payable						4,100						5,993
Accrued and other long-term liabilities						(34,473)						37,420
Long-term income tax payable						4,570						2,119
Deferred revenues						(14,419)						27,662
Net cash provided by operating activities						28,664						199,895
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisitions, net of cash acquired						(77,075)						—
Purchase of property, plant and equipment						(9,369)						(64,119)
Purchase of marketable securities						—						(2,371)
Proceeds from maturities of marketable securities						6,035						10,870
Proceeds from sales of marketable securities						831						2,785
Other investing activities						(6)						6
Net cash used in investing activities						(79,584)						(52,829)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from issuance of common stock						14,339						14,256
Common stock repurchases						—						(292,360)
Activity for equity forward contracts related to accelerated stock repurchase agreements, net						—						40,000
Payroll taxes paid upon the vesting of equity awards						(26,055)						(20,857)
Net cash used in financing activities						(11,716)						(258,961)
Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash						(9,004)						2,221
Net decrease in cash, cash equivalents, and restricted cash						(71,640)						(109,674)
Cash, cash equivalents, and restricted cash at beginning of the period						938,519						942,355
Cash, cash equivalents, and restricted cash at end of the period						$	866,879					$	832,681

The accompanying notes are an integral part of these unaudited condensed consolidated financial statements.

ALIGN TECHNOLOGY, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

Note 1. Summary of Significant Accounting Policies

Basis of Presentation and Preparation

The accompanying unaudited Condensed Consolidated Financial Statements have been prepared by Align Technology, Inc. (“we”, “our”, the "Company", or “Align”) on a consistent basis with the audited Consolidated Financial Statements for the year ended December 31, 2023, and contain all adjustments, including normal recurring adjustments, necessary to fairly state the information set forth herein. These unaudited Condensed Consolidated Financial Statements have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”), and, therefore, omit certain information and footnote disclosures necessary to present the unaudited Condensed Consolidated Financial Statements in accordance with accounting principles generally accepted in the United States of America (“U.S.”).

The information included in this Quarterly Report on Form 10-Q should be read in conjunction with the Consolidated Financial Statements and notes thereto included in Item 8 of our Annual Report on Form 10-K for the year ended December 31, 2023. The results of operations for the three months ended March 31, 2024 are not necessarily indicative of the results that may be expected for the year ending December 31, 2024 or any other future period, and we make no representations related thereto.

Use of Estimates

The preparation of financial statements in conformity with generally accepted accounting principles (“GAAP”) in the U.S. requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ materially from those estimates. On an ongoing basis, we evaluate our estimates, including those related to revenue recognition, useful lives of intangible assets and property and equipment, long-lived assets and goodwill, income taxes, contingent liabilities, the fair values of financial instruments, stock-based compensation and the valuation of investments in privately held companies, among others. We base our estimates on historical experience and on various other assumptions that are believed to be reasonable, the results of which form the basis for making judgments about the carrying values of assets and liabilities.

Certain Risks and Uncertainties

We are subject to risks including, but not limited to, global and regional economic market conditions, inflation, fluctuations in foreign currency exchange rates, changes in consumer confidence and demand, increased competition, dependence on key personnel, protection and litigation of proprietary technology, shifts in taxable income between tax jurisdictions and compliance with regulations of the U.S. Food and Drug Administration (“FDA”) and similar international agencies.

Our cash and investments are held primarily by five financial institutions. Financial instruments which potentially expose us to concentrations of credit risk consist primarily of cash equivalents and marketable securities. We invest excess cash primarily in money market funds, corporate bonds, asset-backed securities, municipal and U.S. government agency bonds and treasury bonds and periodically evaluate them for credit losses. Such credit losses have not been material to our financial statements.

We purchase certain inventory from sole suppliers. Additionally, we rely on a limited number of hardware manufacturers. The inability of any supplier or manufacturer to fulfill our supply requirements could materially and adversely impact our future operating results.

Recent Accounting Pronouncements

Recent Accounting Pronouncements Not Yet Effective

On November 27, 2023, the FASB issued ASU 2023-07, “Improvements to Reportable Segment Disclosures.” The amendments in this update improve reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. For public business entities, the provisions of ASU 2023-07 are effective for fiscal years beginning after December 15, 2023 and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. Companies must apply the guidance retrospectively to all prior periods presented in the financial statements. The

Company expects this pronouncement to result in changes to the nature of our reportable segment disclosures; however, we do not expect this new guidance to impact our financial results.

On December 14, 2023, the FASB issued ASU 2023-09, “Improvements to Income Tax Disclosures.” The amendments in this ASU require a public entity to disclose in tabular format, using both percentages and reporting currency amounts, specific categories in the rate reconciliation and to provide additional information for reconciling items that meet a quantitative threshold. The amendments in this ASU also require taxes paid (net of refunds received) to be disaggregated by federal, state, and foreign taxes and further disaggregated for specific jurisdictions to the extent the related amounts exceed a quantitative threshold. For public business entities, the provisions of ASU 2023-09 are effective for fiscal years beginning after December 15, 2024. Early adoption is permitted. The Company is evaluating the effect of this pronouncement on its annual consolidated financial statements.

Note 2. Financial Instruments

Cash, Cash Equivalents and Marketable Securities

The following tables summarize our cash and cash equivalents, and marketable securities on our Condensed Consolidated Balance Sheets as of March 31, 2024 and December 31, 2023 (in thousands):

																														Reported as:
March 31, 2024						Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value						Cash and Cash Equivalents						Marketable securities, short-term						Marketable securities, long-term
Cash						$	816,224					$	—					$	—					$	816,224					$	816,224					$	—					$	—
Money market funds						49,581						—						—						49,581						49,581						—						—
Corporate bonds						26,535						3						(417)						26,121						—						24,551						1,570
U.S. government treasury bonds						4,871						—						(101)						4,770						—						2,721						2,049
Asset-backed securities						586						—						(1)						585						—						585						—
U.S. government agency bonds						5,264						—						(20)						5,244						—						5,244						—
Total						$	903,061					$	3					$	(539)					$	902,525					$	865,805					$	33,101					$	3,619

																														Reported as:
December 31, 2023						Amortized Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value						Cash and Cash Equivalents						Marketable securities, short-term						Marketable securities, long-term
Cash						$	887,682					$	—					$	—					$	887,682					$	887,682					$	—					$	—
Money market funds						49,756						—						—						49,756						49,756						—						—
Corporate bonds						31,943						5						(676)						31,272						—						28,704						2,568
U.S. government treasury bonds						4,855						—						(99)						4,756						—						—						4,756
Asset-backed securities						1,416						2						(1)						1,417						—						719						698
Municipal bonds						702						—						(2)						700						—						700						—
U.S. government agency bonds						5,215						—						(34)						5,181						—						5,181						—
Total						$	981,569					$	7					$	(812)					$	980,764					$	937,438					$	35,304					$	8,022

The following table summarizes the fair value of our available-for-sale marketable securities classified by contractual maturity as of March 31, 2024 and December 31, 2023 (in thousands):

						March 31, 2024						December 31, 2023
Due in 1 year or less						$	32,515					$	34,617
Due in 1 year through 5 years						4,205						8,709
Total						$	36,720					$	43,326

The securities that we invest in are generally deemed to be low risk based on their credit ratings from the major rating agencies. The longer the duration of these securities, the more susceptible they are to changes in market interest rates and bond yields. As interest rates increase, those securities purchased at a lower yield show a mark-to-market unrealized loss. Our unrealized losses as of March 31, 2024 and December 31, 2023 are primarily due to changes in interest rates and credit spreads.

The following tables summarize the fair value and gross unrealized losses as of March 31, 2024 and December 31, 2023, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position (in thousands):

						As of March 31, 2024
						Less than 12 months												12 Months of Greater												Total
March 31, 2024						Fair Value						Unrealized Loss						Fair Value						Unrealized Loss									Fair Value						Unrealized Loss
Corporate bonds						$	1,006					$	(3)					$	22,805					$	(414)								$	23,811					$	(417)
U.S. government treasury bonds						2,049						(26)						2,721						(75)									4,770						(101)
Asset-backed securities						535						(1)						—						—									535						(1)
Municipal bonds						—						—						—						—									—						—
U.S. government agency bonds						4,051						(9)						1,193						(11)									5,244						(20)
Total						$	7,641					$	(39)					$	26,719					$	(500)								$	34,360					$	(539)

						As of December 31, 2023
						Less than 12 months												12 Months of Greater												Total
December 31, 2023						Fair Value						Unrealized Loss						Fair Value						Unrealized Loss									Fair Value						Unrealized Loss
Corporate bonds						$	—					$	—					$	27,939					$	(676)								$	27,939					$	(676)
U.S. government treasury bonds						2,044						(11)						2,712						(88)									4,756						(99)
Asset-backed securities						1,018						(1)						83						—									1,101						(1)
Municipal bonds						—						—						700						(2)									700						(2)
U.S. government agency bonds						4,003						(11)						1,178						(23)									5,181						(34)
Total						$	7,065					$	(23)					$	32,612					$	(789)								$	39,677					$	(812)

Accounts Receivable Factoring

We enter into factoring transactions on a non-recourse basis with financial institutions to sell certain of our non-U.S. accounts receivable. We account for these transactions as sales of accounts receivables and include the cash proceeds as a part of our cash flows from operations in the Condensed Consolidated Statements of Cash Flows. Total accounts receivable sold under the factoring arrangements was $14.6 million during the three months ended March 31, 2024 and $8.0 million during the three months ended March 31, 2023. Factoring fees on the sales of receivables were recorded in other income (expense), net in our Condensed Consolidated Statement of Operations and were not material.

Fair Value Measurements

Fair value is an exit price, representing the amount that would be received from selling an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. We use the GAAP fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. This hierarchy requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The three levels of inputs that may be used to measure fair value:

Level 1 — Quoted (unadjusted) prices in active markets for identical assets or liabilities.

Level 2 — Observable inputs other than quoted prices included in Level 1, such as quoted prices for similar assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the asset or liability. We obtain fair values for our Level 2 investments. Our custody bank and asset managers independently use

professional pricing services to gather pricing data which may include quoted market prices for identical or comparable financial instruments, or inputs other than quoted prices that are observable either directly or indirectly, and we are ultimately responsible for these underlying estimates.

Level 3 — Unobservable inputs to the valuation methodology that are supported by little or no market activity and that are significant to the measurement of the fair value of the assets or liabilities. Level 3 assets and liabilities include those whose fair value measurements are determined using pricing models, discounted cash flow methodologies or similar valuation techniques, as well as significant management judgment or estimation.

The following tables summarize our financial assets measured at fair value as of March 31, 2024 and December 31, 2023 (in thousands):

Description						Balance as of March 31, 2024						Level 1						Level 2
Cash equivalents:
Money market funds						$	49,581					$	49,581					$	—
Short-term investments:
U.S. government agency bonds						5,244						—						5,244
U.S. government treasury bonds						2,721						—						2,721
Corporate bonds						24,551						—						24,551
Asset-backed securities						585						—						585
Long-term investments:
U.S. government treasury bonds						2,049						—						2,049
Corporate bonds						1,570						—						1,570
						$	86,301					$	49,581					$	36,720

Description						Balance as of December 31, 2023						Level 1						Level 2
Cash equivalents:
Money market funds						$	49,756					$	49,756					$	—
Short-term investments:
Corporate bonds						28,704						—						28,704
Municipal bonds						700						—						700
U.S. government agency bonds						5,181						—						5,181
Asset-backed securities						719						—						719
Long-term investments:
U.S. government treasury bonds						4,756						—						4,756
Corporate bonds						2,568						—						2,568
Asset-backed securities						698						—						698
						$	93,082					$	49,756					$	43,326

Investments in Privately Held Companies

Our investments in privately held companies in which we cannot exercise significant influence and do not own a majority equity interest or otherwise control are accounted for as an investment in equity securities. We have elected to account for all investments in equity securities in accordance with the measurement alternative. Under the measurement alternative, we record the value of our investments in equity securities at cost, minus impairment, if any. Additionally, we adjust the carrying value of our investments in equity securities to fair value for observable transactions for identical or similar investments of the same issuer.

On April 24, 2023, we entered into a Subscription Agreement (the "April 2023 Subscription Agreement") with Heartland Dental Holding Corporation (“Heartland”). Pursuant to the Subscription Agreement we acquired less than a 5% equity interest through the purchase of Class A Common Stock for $75 million. We are not the primary beneficiary of nor are we able to

exercise significant influence over Heartland. As such, we are accounting for our investment in Heartland as an investment in equity securities.

Similar to our other investments in equity securities, Heartland is accounted for under the measurement alternative. Based on review of our investment in Heartland, we determined that no adjustments to the carrying value were necessary; therefore, it is properly reflected on our Condensed Consolidated Balance Sheet in Other assets at $75 million.

Investments in equity securities are reported on our Condensed Consolidated Balance Sheet as Other assets. We record upward and downward adjustments in carrying value or impairment, if any, in our investments in equity securities, in other income (expense), net in our Condensed Consolidated Statement of Operations. The carrying value of our investments in equity securities, exclusive of Heartland, were not material as of March 31, 2024 and the associated adjustments to the carrying values, if any, of the investments were not material during the three month periods ended March 31, 2024 and 2023.

Our investments in privately held companies in which we can exercise significant influence are accounted for as equity method investments. We have elected to account for our equity method investments under the fair value option. The carrying value of our equity method investments are reported on our Condensed Consolidated Balance Sheet as other assets and are not material as of March 31, 2024 and December 31, 2023.

Derivatives Not Designated as Hedging Instruments

We enter into foreign currency forward contracts to minimize the short-term impact of foreign currency exchange rate fluctuations on certain assets and liabilities. These forward contracts are classified within Level 2 of the fair value hierarchy. As a result of the settlement of foreign currency forward contracts, we recognized a net gain of $19.7 million during the three months ended March 31, 2024 and a net loss of $6.4 million during the three months ended March 31, 2023. Recognized gains and losses from the settlement of foreign currency forward contracts are recorded to Other income (expense), net in our Condensed Consolidated Statements of Operations. As of March 31, 2024 and December 31, 2023, the fair value of foreign exchange forward contracts outstanding were not material.

The following tables present the gross notional value of all our foreign exchange forward contracts outstanding as of March 31, 2024 and December 31, 2023 (in thousands):

			March 31, 2024
			Local Currency Amount						Notional Contract Amount (USD)
Euro			€262,300						$	283,818
British Pound			£121,800						153,937
Canadian Dollar			C$96,500						71,174
Polish Zloty			PLN276,400						$	69,117
Chinese Yuan			¥322,800						44,536
Japanese Yen			¥4,300,000						28,547
Brazilian Real			R$88,600						17,650
Mexican Peso			M$270,000						16,265
Israeli Shekel			ILS48,200						13,137
Swiss Franc			CHF7,000						7,776
New Zealand Dollar			NZ$9,900						5,912
New Taiwan Dollar			NT$98,000						3,064
Australian Dollar			A$4,700						3,061
Czech Koruna			Kč44,600						1,905
Korean Won			₩2,300,000						1,708
									$	721,607

			December 31, 2023
			Local Currency Amount						Notional Contract Amount (USD)
Euro			€337,780						$	373,705
Canadian Dollar			C$108,900						82,166
Polish Zloty			PLN276,900						70,393
British Pound			£45,590						58,005
Chinese Yuan			¥244,500.00						34,361
Swiss Franc			CHF28,600						34,132
Japanese Yen			¥3,577,000						25,347
Israeli Shekel			ILS78,700						21,800
Brazilian Real			R$80,500						16,563
Mexican Peso			M$230,000						13,593
New Zealand Dollar			NZ$6,600						4,161
Australian Dollar			A$4,300						2,921
New Taiwan Dollar			NT$89,000						2,919
Czech Koruna			Kč60,200						2,687
Korean Won			₩2,200,000						1,709
									$	744,462

Note 3. Balance Sheet Components

Inventories consist of the following (in thousands):

						March 31, 2024						December 31, 2023
Raw materials						$	134,305					$	145,492
Work in process						92,518						91,259
Finished goods						53,253						60,151
Total inventories						$	280,076					$	296,902

Prepaid expenses and other current assets consist of the following (in thousands):

						March 31, 2024						December 31, 2023
Value added tax receivables						$	206,915					$	143,728
Prepaid expenses						72,187						52,487
Other current assets						70,492						77,335
Total prepaid expenses and other current assets						$	349,594					$	273,550

Accrued liabilities consist of the following (in thousands):

						March 31, 2024						December 31, 2023
Accrued payroll and benefits						$	191,904					$	220,862
Accrued expenses						76,540						71,109
Accrued sales and marketing expenses						42,933						34,035
Accrued income taxes						38,942						38,103
Current operating lease liabilities						31,324						29,651
Accrued property, plant and equipment						16,093						23,618
Other accrued liabilities						98,865						108,402
Total accrued liabilities						$	496,601					$	525,780

Accrued warranty, which is included in the "Other accrued liabilities" category of the accrued liabilities table above, consists of the following activity (in thousands):

						Three Months Ended March 31,
						2024						2023
Balance at beginning of period						$	22,426					$	17,873
Charged to cost of net revenues						5,449						4,532
Actual warranty expenditures						(3,312)						(3,476)
Balance at end of period						$	24,563					$	18,929

Deferred revenues consist of the following (in thousands):

						March 31, 2024						December 31, 2023
Deferred revenues - current						$	1,409,202					$	1,427,706
Deferred revenues - long-term 1						$	115,400					$	138,000

1 Included in Other long-term liabilities within our Condensed Consolidated Balance Sheet.

During the three months ended March 31, 2024 and 2023, we recognized $997.4 million and $943.1 million of net revenues, respectively, of which $236.8 million and $205.7 million was included in the deferred revenues balance at December 31, 2023 and 2022, respectively.

Our unfulfilled performance obligations, including deferred revenues and backlog, as of March 31, 2024 were $1,533.1 million. These performance obligations are expected to be fulfilled over the next six months to five years.

Note 4**. Business Combination**

On January 2, 2024 (the “Acquisition Date”), we completed the acquisition of privately-held Cubicure GmbH (“Cubicure”) (the "Acquisition"). Cubicure is an Austrian company and specializes in direct 3D printing solutions for polymer additive manufacturing that develops, produces, and distributes innovative materials, equipment, and processes for 3D printing solutions. The acquisition of Cubicure is intended to support and scale our strategic innovation roadmap and strengthen the Align Digital Platform. In fiscal year 2021, we acquired an 9.04% equity interest in Cubicure. Subsequently, on the Acquisition Date, we acquired the remaining equity of Cubicure. Prior to the acquisition, we also had technology license and joint development agreements with Cubicure.

The fair value of consideration transferred in the acquisition is shown in the table below (in thousands):

Cash paid to Cubicure stockholders						$	80,142
Fair value of pre-existing equity interest ownership						7,968
Settlement of pre-existing relationship - accounts payable						$	(2,316)
Total purchase consideration paid						$	85,794

The Acquisition was accounted for as a business combination under ASC Topic 805, Business Combinations (“ASC 805”) that was achieved in stages. As a result of the acquisition, we remeasured our pre-existing equity interest in Cubicure at fair value prior to the acquisition. Based on the fair value of this equity interest, derived from the purchase price, we estimated the fair value of our 9.04% pre-existing investment in Cubicure to be approximately $8.0 million. The remeasurement resulted in the recognition of a pre-tax gain of $4.1 million, which was reflected as a component of Other income (expense), net within our Condensed Consolidated Statement of Operations.

In 2021, we initiated Joint development (“JDA”) and Technology license agreements (“TLA”) to provide us with access to Cubicure's technology. The settlement of the JDA and TLA were concluded to be at market terms on the Acquisition Date; therefore, no gain or loss was recorded related to the settlement of these contracts. We also had accounts payable from the pre-existing arrangements with Cubicure of $2.3 million, which were effectively settled and reduced from the purchase consideration of the Acquisition.

The preliminary allocation of purchase price to assets acquired and liabilities assumed which is subject to change within the measurement period is as follows (in thousands):

Working capital						$	1,039
Property & equipment						975
Developed technology						47,000
Other non-current asset						1,386
Other liabilities						(12,279)
Goodwill						$	47,673
Total						$	85,794

Goodwill represents the excess of the purchase price over the fair value of the underlying net tangible and identifiable intangible assets, and represents the value associated future technology, future customer relationships, and the knowledge and experience of the workforce in place. None of this goodwill is deductible for tax purposes. We allocated all goodwill to our Clear Aligner reporting unit.

The following table presents details of the identified intangible assets acquired (in thousands, except years):

			Weighted Average Amortization Period (in years)
Developed technology			13			$47,000

The fair value of developed technology was estimated under the Multi-Period Excess Earnings Method and the fair value estimates for developed technology include significant assumptions in the prospective financial information which include, but are not limited, to the projected future cash flows associated with the technology, asset's life cycle and the present value factor.

Acquisition related costs are recognized separately from the business combination and are expensed as incurred. Acquisition related costs were not material.

Our consolidated financial statements include the operating results of Cubicure from the Acquisition Date. Separate post-acquisition operating results and pro forma results of operations for this acquisition have not been presented as the effect is not material to our consolidated financial results.

Note 5**. Goodwill and Intangible Assets**

Goodwill

The change in the carrying value of goodwill for the three months ended March 31, 2024, categorized by reportable segments, is as follows (in thousands):

			Clear Aligner						Systems and Services						Total
Balance as of December 31, 2023			$	111,086					$	308,444					$	419,530
Additions from acquisition			47,673						—						47,673
Foreign currency translation adjustments			(2,180)						(6,788)						(8,968)
Balance as of March 31, 2024			$	156,579					$	301,656					$	458,235

Finite-Lived Intangible Assets

Acquired finite-lived intangible assets were as follows, excluding intangibles that were fully amortized, is as follows (in thousands):

			Weighted Average Amortization Period (in years)						Gross Carrying Amount as of March 31, 2024						Accumulated Amortization						Accumulated Impairment Loss						Net Carrying Value as of March 31, 2024
Existing technology			11						$	159,051					$	(49,183)					$	(4,328)					$	105,540
Customer relationships			10						21,500						(8,600)						—						12,900
Trademarks and tradenames			10						16,600						(7,990)						(4,122)						4,488
Patents			12						480						(250)						—						230
									$	197,631					$	(66,023)					$	(8,450)					123,158
Foreign currency translation adjustments																											(1,734)
Total intangible assets, net 1																											$	121,424

1 Includes $34.3 million of fully amortized intangible assets related to customer relationships and trademarks.

			Weighted Average Amortization Period (in years)						Gross Carrying Amount as of December 31, 2023						Accumulated Amortization						Accumulated Impairment Loss						Net Carrying Value as of December 31, 2023
Existing technology			10						$	112,051					$	(45,331)					$	(4,328)					$	62,392
Customer relationships			10						21,500						(8,063)						—						13,437
Trademarks and tradenames			10						16,600						(7,605)						(4,122)						4,873
Patents			8						6,511						(6,082)						—						429
									$	156,662					$	(67,081)					$	(8,450)					81,131
Foreign currency translation adjustments																											987
Total intangible assets, net 1																											$	82,118

1 Includes $34.3 million of fully amortized intangible assets related to customer relationships and trademarks.

Of the $159.1 million recorded as existing technology intangible assets as of March 31, 2024, $47.0 million was acquired during the first quarter of 2024 as part of our acquisition of Cubicure. The existing technology acquired in the Cubicure acquisition had an estimated useful life of 13 years, which had the effect of increasing the weighted average amortization period from approximately 10 years as of December 31, 2023 to approximately 11 years as of March 31, 2024. Refer to Note 4. Business Combination.

The total estimated annual future amortization expense for these acquired intangible assets as of March 31, 2024, is as follows (in thousands):

Fiscal Year Ending December 31,						Amortization
Remainder of 2024						$	13,977
2025						18,574
2026						17,969
2027						15,607
2028						14,505
Thereafter						42,526
Total						$	123,158

Amortization expense for the three months ended March 31, 2024 and 2023 was $5.0 million and $4.1 million, respectively.

Note 6**. Credit Facility**

We have a credit facility that provides for a $300.0 million unsecured revolving line of credit, along with a $50.0 million letter of credit. On December 23, 2022, we amended certain provisions in our credit facility which included extending the maturity date on the facility to December 23, 2027 and replacing the interest rate from the existing LIBOR with SOFR (“2022 Credit Facility”). The 2022 Credit Facility requires us to comply with specific financial conditions and performance requirements. Loans under the 2022 Credit Facility bear interest, at our option, at either a rate based on the SOFR for the applicable interest period or a base rate, in each case plus a margin. As of March 31, 2024, we had no outstanding borrowings under the 2022 Credit Facility and were in compliance with the conditions and performance requirements in all material respects.

Note 7. Legal Proceedings

2019 Shareholder Derivative Lawsuit

In January 2019, three derivative lawsuits were filed in the U.S. District Court for the Northern District of California which were later consolidated, purportedly on our behalf, naming as defendants the then current members of our Board of Directors along with certain of our executive officers. The complaints assert various state law causes of action, including for breaches of fiduciary duty, insider trading, and unjust enrichment. The complaints seek unspecified monetary damages on our behalf, which is named solely as a nominal defendant against whom no recovery is sought, as well as disgorgement and the costs and expenses associated with the litigation, including attorneys’ fees. The consolidated action is currently stayed. Defendants have not yet responded to the complaints.

On April 12, 2019, a derivative lawsuit was also filed in California Superior Court for Santa Clara County, purportedly on our behalf, naming as defendants the members of our Board of Directors along with certain of our executive officers. The allegations in the complaint are similar to those in the derivative suits described above. The matter is currently stayed. Defendants have not yet responded to the complaint.

In the first quarter of 2024, the parties to these actions entered into a settlement agreement whereby, subject to court approval, plaintiffs will dismiss the lawsuits and release their claims. In the settlement agreement, Align and the defendants deny any wrongdoing and are not making any monetary payments, other than a potential award of $575,000 in attorney’s fees to plaintiffs’ counsel, covered by insurance. On March 1, 2024, the plaintiffs filed a motion for preliminary approval of the

settlement with the U.S. District Court for the Northern District of California. The hearing on the motion for preliminary approval is currently set for May 21, 2024.

Antitrust Class Actions

On June 5, 2020, a dental practice named Simon and Simon, PC doing business as City Smiles brought an antitrust action in the U.S. District Court for the Northern District of California on behalf of itself and a putative class of similarly situated practices seeking treble monetary damages, interest, costs, attorneys’ fees, and injunctive relief relating to our alleged market activities in alleged clear aligner and intraoral scanner markets. Plaintiff filed an amended complaint and added VIP Dental Spas as a plaintiff on August 14, 2020. On December 18, 2023, the court certified a class of persons or entities that purchased Invisalign directly from Align between January 1, 2019 and March 31, 2022. The court denied Plaintiffs’ motion to certify a class of purchasers of scanners. On February 21, 2024, the court granted Align’s motion for summary judgment on all claims brought by the plaintiffs. The court entered judgment on March 22, 2024. Plaintiffs have noticed appeal of the district court’s summary judgment ruling.

On May 3, 2021, an individual named Misty Snow brought an antitrust action in the U.S. District Court for the Northern District of California on behalf of herself and a putative class of similarly situated individuals seeking treble monetary damages, interest, costs, attorneys’ fees, and injunctive relief relating to our alleged market activities in alleged clear aligner and intraoral scanner markets based on Section 2 of the Sherman Act. Plaintiffs have filed several amended complaints adding new plaintiffs, various state law claims, and allegations based on Section 1 of the Sherman Act. On November 29, 2023, the court certified a class of indirect purchasers of Invisalign between July 1, 2018 and December 31, 2023 and a class of indirect purchasers of Invisalign seeking injunctive relief. On February 21, 2024, the court granted Align’s motion for summary judgment on the claims related to Section 2 allegations. The court entered judgment for the Section 2 and related state law claims on March 22, 2024. Plaintiffs have noticed appeal of the district court’s summary judgment ruling. A jury trial is scheduled to begin in this matter on January 21, 2025 for issues related to Section 1 allegations. We believe the plaintiffs’ claims are without merit and we intend to vigorously defend ourselves.

We are currently unable to predict the outcome of these lawsuits and therefore we cannot determine the likelihood of loss, if any, nor estimate a range of possible loss.

SDC Dispute

On August 27, 2020, we initiated a confidential arbitration proceeding against SmileDirectClub LLC (“SDC”) before the American Arbitration Association in San Jose, California. This arbitration relates to the Strategic Supply Agreement (“Supply Agreement”) entered into between the parties in 2016. The complaint alleges that SDC breached the Supply Agreement’s terms, causing damages to us in an amount to be determined. On January 19, 2021, SDC filed a counterclaim alleging that we breached the Supply Agreement. On May 3, 2022, SDC filed an additional counterclaim alleging that we breached the Supply Agreement. We denied SDC's allegations in the counterclaims.

On October 27, 2022, the arbitrator issued an interim award on our claims and SDC’s first counterclaim finding that SDC breached the Supply Agreement, we did not breach the Supply Agreement, and SDC caused harm to us. Based on these findings, the arbitrator awarded us an interim award of $63 million in damages.

On May 18, 2023, the arbitrator issued a final award on SDC’s second counterclaim, finding that Align did not breach the Supply Agreement. The final award subsumed the interim award on our claims and SDC’s first counterclaim and concluded the Supply Agreement arbitration proceedings.

On March 6, 2023, Align filed a petition to confirm the arbitrator’s interim award in the Superior Court for Santa Clara County.

On May 30, 2023, Align filed a petition to confirm the final award in the Superior Court of Santa Clara County. On August 21, 2023, the Superior Court issued an order confirming the Interim and Final Awards. On September 8, 2023, the Superior Court entered judgment in Align’s favor for $63 million in damages.

On September 29, 2023, SDC and certain affiliates filed bankruptcy petitions under chapter 11 of title 11 of the United States Code in the United States Bankruptcy Court for the Southern District of Texas. On January 26, 2024, SDC’s bankruptcy cases were converted from cases under chapter 11 of the Bankruptcy Code to cases under chapter 7 of the Bankruptcy Code. In conjunction therewith, Allison D. Byman was appointed as the chapter 7 trustee in SDC’s bankruptcy cases. The extent to which Align will be able to collect any or all of its $63 million judgment through SDC’s bankruptcy proceedings is unknown.

Straumann Litigation

On April 11, 2024, we filed a lawsuit in the U.S. District Court for the Western District of Texas against ClearCorrect Operating, LLC, ClearCorrect Holdings, Inc., and Institut Straumann AG. The complaint asserts claims of false advertising, unfair competition, civil conspiracy, and infringement of Align patents related to aligner material, treatment planning, and intraoral scanner technologies. Among other things, the complaint seeks relief enjoining the defendants’ infringement of multiple Align multilayer material patents through defendants’ manufacture, sale and offer for sale of aligners made with Zendura FLX/ClearQuartz materials. Defendants have not yet filed a response to the complaint.

In addition to the above, in the ordinary course of our operations, we are involved in a variety of claims, suits, investigations, and proceedings, including actions with respect to intellectual property claims, patent infringement claims, government investigations, labor and employment claims, breach of contract claims, tax, and other matters. Regardless of the outcome, these proceedings can have an adverse impact on us because of defense costs, diversion of management resources, and other factors. Although the results of complex legal proceedings are difficult to predict and our view of these matters may change in the future as litigation and events related thereto unfold; we currently do not believe that these matters, individually or in the aggregate, will materially affect our financial position, results of operations or cash flows.

Note 8**. Commitments and Contingencies**

Tax Matter

Beginning in the third quarter of 2023 and continuing through the first quarter of 2024, the Company has received cumulative assessments of approximately $95 million from His Majesty’s Revenue and Customs (“HMRC”) for unpaid value added tax (“VAT”) related to certain clear aligner sales made during the period of October 2019 through May 2023. We are required to pay these assessments prior to contesting or litigating in statutory appeal. The Company has historically asserted and continues to assert that doctor prescribed clear aligners sold by dentists for the orthodontic treatment of patient malocclusions are exempt from VAT, that the Company has reasonably relied upon statements and guidance by HMRC and that the Company’s interpretation of United Kingdom legislation is appropriate. However, it is not possible at this stage to accurately evaluate the likelihood of an unfavorable outcome of any legal challenges brought by the Company against HMRC disputing this initial assessment and any assessments for other past periods. Accordingly, the Company has determined that a potential loss related to unpaid VAT is not probable. As such, we have not recorded a contingent loss for these assessments in our Condensed Consolidated Statements of Operations for the three months ended March 31, 2024. The Company acknowledges that this matter poses risks of litigation and the ultimate resolution of this matter could result in an unfavorable ruling, which consequently could lead to a significant loss to the Company. As of March 31, 2024, if an unfavorable ruling is issued, we estimate a potential exposure of approximately $115 million, depending on fluctuations of foreign currency exchange rates, excluding interest and penalties.

Indemnification Provisions

In the normal course of business to facilitate transactions in our services and products, we indemnify certain parties: customers, vendors, lessors, and other parties with respect to certain matters, including, but not limited to, services to be provided by us and intellectual property infringement claims made by third parties. In addition, we have entered into indemnification agreements with our directors and our executive officers that will require us, among other things, to indemnify them against certain liabilities that may arise by reason of their status or service as directors or officers. Several of these agreements limit the time within which an indemnification claim can be made and the amount of the claim.

It is not possible to make a reasonable estimate of the maximum potential amount of future payments, if any, under these indemnification agreements due to the unique facts and circumstances involved in each particular agreement. Additionally, we have a limited history of prior indemnification claims and the payments we have made under such agreements have not had a material adverse effect on our results of operations, cash flows or financial position. However, to the extent that valid indemnification claims arise in the future, future payments by us could be significant and could have a material adverse effect on our results of operations or cash flows in a particular period. As of March 31, 2024, we did not have any material indemnification claims that were probable or reasonably possible.

Note 9. Stockholders’ Equity

As of March 31, 2024, the 2005 Incentive Plan, as amended, has a total reserve of 32,168,895 shares of which 3,393,482 shares are available for issuance.

Summary of Stock-Based Compensation Expense

The stock-based compensation related to our stock-based awards and employee stock purchase plan for the three months ended March 31, 2024 and 2023 is as follows (in thousands):

						Three Months Ended March 31,
						2024						2023
Cost of net revenues						$	2,064					$	1,807
Selling, general and administrative						28,494						28,691
Research and development						8,230						7,237
Total stock-based compensation						$	38,788					$	37,735

Restricted Stock Units (“RSUs”)

The fair value of RSUs is based on our closing stock price on the date of grant. RSUs granted generally vest over a period of four years. A summary for the three months ended March 31, 2024 is as follows:

			Number of Shares Underlying RSUs (in thousands)						Weighted Average Grant Date Fair Value						Weighted Average Remaining Contractual Term (in years)						Aggregate Intrinsic Value (in thousands)
Unvested as of December 31, 2023			736						$	367.63
Granted			610						311.35
Vested and released			(231)						377.91
Forfeited			(20)						377.56
Unvested as of March 31, 2024			1,095						$	333.90					2.0						$	359,130

As of March 31, 2024, we expect to recognize $311.9 million of total unamortized compensation costs, net of estimated forfeitures, related to RSUs over a weighted average period of 3.2 years.

Market-Performance Based Restricted Stock Units (“MSUs”)

We grant MSUs to members of senior management. Each MSU represents the right to one share of our common stock. The actual number of MSUs which will be eligible to vest will be based on the performance of Align’s stock price relative to the performance of a stock market index over the vesting period. MSUs vest over a period of three years and the maximum number eligible to vest in the future is 250% of the MSUs initially granted.

The following table summarizes the MSU performance activity for the three months ended March 31, 2024:

			Number of Shares Underlying MSUs (in thousands)						Weighted Average Grant Date Fair Value						Weighted Average Remaining Contractual Term (in years)						Aggregate Intrinsic Value (in thousands)
Unvested as of December 31, 2023			158						$	811.06
Granted			83						617.79
Vested and released 1			(32)						1,102.09
Forfeited			(5)						1,102.09
Unvested as of March 31, 2024			204						$	679.52					2.1						$	66,889

1 Includes MSUs vested during the period below 100% of the original grant as actual shares released is based on Align’s stock performance over the vesting period.

As of March 31, 2024, we expect to recognize $82.2 million of total unamortized compensation costs, net of estimated forfeitures, related to MSUs over a weighted average period of 2.1 years.

Restricted Stock Units with Performance Conditions (“PSUs”)

During the three months ended March 31, 2024, we did not grant any PSUs to any employees. In the fourth quarter of 2022, we granted PSUs to certain employees which are eligible to vest based on the achievement of project-based milestones over a term of 2.2 years. Total PSUs granted were 4,728 and the weighted average grant date fair value for the PSUs was $201.63. Compensation costs related to PSUs is not material to our operating results.

Employee Stock Purchase Plan

As of March 31, 2024, we have 1,931,910 shares available for future issuance under our Amended and Restated 2010 Employee Stock Purchase Plan (the “2010 Purchase Plan”).

The fair value of the option component of the 2010 Purchase Plan shares was estimated at the grant date using the Black-Scholes option pricing model with the following weighted average assumptions:

												Three Months Ended March 31,
																		2024						2023
Expected term (in years)																		0.9						1.8
Expected volatility																		56.0		%				58.6		%
Risk-free interest rate																		4.8		%				4.8		%
Expected dividends																		—						—
Weighted average fair value at grant date																		$	100.10					$	138.13

As of March 31, 2024, we expect to recognize $14.1 million of total unamortized compensation costs related to future employee stock purchases over a weighted average period of 0.8 years.

Note 10. Common Stock Repurchase Programs

In May 2021, our Board of Directors authorized a plan to repurchase up to $1.0 billion of our common stock (“May 2021 Repurchase Program”), which was completed in March 2023. In January 2023, our Board of Directors authorized a new plan to repurchase up to $1.0 billion of our common stock (“January 2023 Repurchase Program”). The January 2023 Repurchase Program does not have an expiration date.

Accelerated Share Repurchase Agreements (“ASRs”)

During the three months ended March 31, 2023, we entered into or completed ASRs providing for the repurchase of our common stock based on the volume-weighted average price during the term of the agreement, less an agreed upon discount.

We did not enter into any new ASRs during the three months ended March 31, 2024; however, we did settle and obtain final delivery of shares for the ASR contract entered in the fourth quarter of 2023. The following table summarizes the information regarding repurchases of our common stock under the ASRs for the three months ended March 31, 2024 and 2023:

Agreement Date						Repurchase Program						Amount Paid (in millions)						Completion Date						Total Shares Received						Average Price per Share
Q4 2022						May 2021						$	200.0					Q1 2023						984,714						$	203.10
Q1 2023						May 2021						$	250.0					Q1 2023						805,908						$	310.21
Q4 2023						January 2023						$	250.0					Q1 2024						1,086,334						$	230.13

Open Market Common Stock Repurchases

During the three months ended March 31, 2024 and 2023 we did not repurchase any shares in the open market.

During the three months ended December 31, 2023, we repurchased $100.0 million of our common stock through open market repurchases under the January 2023 Repurchase Program.

As of March 31, 2024, $650.0 million remains available for repurchases under the January 2023 Repurchase Program.

Subsequent to the first quarter, on April 26, 2024, we announced a plan to repurchase $150.0 million of our common stock through open market repurchases under the January 2023 Repurchase Program.

Note 11. Accounting for Income Taxes

Our provision for income taxes was $53.4 million and $46.8 million for the three months ended March 31, 2024 and 2023, respectively, representing effective tax rates of 33.7% and 34.8%, respectively. Our effective tax rate differs from the statutory federal income tax rate of 21% for the three months ended March 31, 2024 and 2023 primarily due to the recognition of additional tax expense resulting from U.S. taxes on foreign earnings, foreign income taxed at different rates, state income taxes, and non-deductible expenses in the U.S.

We exercise significant judgment in regards to estimates of future market growth, forecasted earnings and projected taxable income in determining the provision for income taxes and for purposes of assessing our ability to utilize any future benefit from deferred tax assets. We continue to assess the realizability of the deferred tax assets as we take into account new information.

Our total gross unrecognized tax benefits, excluding interest and penalties, were $150.8 million and $149.2 million as of March 31, 2024 and December 31, 2023, respectively, a material amount of which would impact our effective tax rate if recognized. The increase in our unrecognized tax benefits relates primarily to positions taken on income tax return calculations finalized during the three months ended March 31, 2024.

Note 12**. Net Income per Share**

The following table sets forth the computation of basic and diluted net income per share attributable to common stock (in thousands, except per share amounts):

						Three Months Ended March 31,
						2024						2023
Numerator:
Net income						$	105,028					$	87,798
Denominator:
Weighted average common shares outstanding, basic						75,175						76,921
Dilutive effect of potential common stock						147						190
Total shares, diluted						75,322						77,111
Net income per share, basic						$	1.40					$	1.14
Net income per share, diluted						$	1.39					$	1.14
Anti-dilutive potential common shares 1						571						578

1 Represents approximately 569 thousand RSU and 2 thousand ESPP weighted-average outstanding common stock equivalent shares that are excluded from the calculation of diluted net income per share as the effect would have been anti-dilutive.

Note 13**. Supplemental Cash Flow Information**

The supplemental cash flow information consists of the following (in thousands):

						Three Months Ended March 31,
						2024						2023
Non-cash investing and financing activities:
Acquisition of property, plant and equipment in accounts payable and accrued liabilities						$	21,284					$	30,907
Final settlement of prior year stock repurchase forward contract						50,000						—
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases						$	9,998					$	7,871
Right-of-use assets obtained in exchange for lease obligations:
Operating leases						$	10,568					$	5,559

Note 14**. Segments and Geographical Information**

Segment Information

We report segment information based on the management approach. The management approach designates the internal reporting used by our Chief Operating Decision Maker for decision making and performance assessment as the basis for determining our reportable segments. The performance measures of our reportable segments include net revenues, gross profit and income from operations. Income from operations for each segment includes all geographic revenues, related cost of net revenues and operating expenses directly attributable to the reportable segment. Certain operating expenses are not directly attributable to a reportable segment and must be allocated. Each allocation is measured differently based on the nature of the cost being allocated. Certain other operating expense are not specifically allocated to segment income from operations and generally include various corporate expenses such as stock-based compensation and costs related to IT, facilities, human resources, accounting and finance, legal and regulatory, other separately managed general and administrative costs outside the reportable segments and restructuring costs. We group our operations into two reportable segments: Clear Aligner segment and Imaging Systems and CAD/CAM services (“Systems and Services”) segment.

Summarized financial information by segment is as follows (in thousands):

						Three Months Ended March 31,
						2024						2023
Net revenues
Clear Aligner						$	817,251					$	789,804
Systems and Services						180,180						153,343
Total net revenues						$	997,431					$	943,147
Gross profit
Clear Aligner						$	579,146					$	566,139
Systems and Services						118,670						94,515
Total gross profit						$	697,816					$	660,654
Income from operations
Clear Aligner						$	286,238					$	277,521
Systems and Services						49,693						35,576
Unallocated corporate expenses						(181,796)						(179,581)
Total income from operations						$	154,135					$	133,516
Stock-based compensation
Clear Aligner						$	3,764					$	4,654
Systems and Services						359						321
Unallocated corporate expenses						34,665						32,760
Total stock-based compensation						$	38,788					$	37,735
Depreciation and amortization
Clear Aligner						$	14,433					$	16,398
Systems and Services						6,838						8,146
Unallocated corporate expenses						11,675						11,276
Total depreciation and amortization						$	32,946					$	35,820

The following table reconciles total segment income from operations in the table above to net income before provision for income taxes (in thousands):

						Three Months Ended March 31,
						2024						2023
Total segment income from operations						$	335,931					$	313,097
Unallocated corporate expenses						(181,796)						(179,581)
Total income from operations						154,135						133,516
Interest income						4,392						2,337
Other income (expense), net						(141)						(1,229)
Net income before provision for income taxes						$	158,386					$	134,624

Our Chief Operating Decision Maker does not regularly review total assets at the reportable segment level; however, we have provided geographical information related to our long-lived assets below.

Geographical Information

Net revenues are presented below by geographic area (in thousands):

						Three Months Ended March 31,
						2024						2023
Net revenues 1:
U.S.						$	432,101					$	411,138
Switzerland						251,758						313,131
Other International						313,572						218,878
Total net revenues						$	997,431					$	943,147

1 Net revenues are attributed to countries based on the location of where revenues are recognized by our legal entities.

Tangible long-lived assets, which includes Property, plant and equipment, net, and Operating lease right-of-use assets, net, are presented below by geographic area (in thousands):

						March 31, 2024						December 31, 2023
Long-lived assets 1:
Switzerland						$	573,000					$	575,432
U.S.						210,283						210,275
Other International						617,422						623,155
Total long-lived assets						$	1,400,705					$	1,408,862

1 Long-lived assets are attributed to countries based on the location of our entity that owns or leases the assets.

Note 15. Restructuring and Other Charges

During the fourth quarter of 2023, we initiated a restructuring plan to increase efficiencies across the organization and incurred approximately $14.0 million in restructuring expenses, of which $5.3 million remained unpaid and were included in Accrued liabilities as of December 31, 2023. During the first quarter of 2024, we reduced our December 31, 2023 restructuring liability by approximately $3.9 million, primarily due to cash payments. As of March 31, 2024, we had a remaining balance of $1.4 million recorded in Accrued liabilities.

Note 16. Subsequent Event

Subsequent to our quarter end, on April 22, 2024, we entered into a new Subscription Agreement (the "April 2024 Subscription Agreement") with Heartland. The April 2024 Subscription Agreement provided for us, among other items, to acquire an additional equity interest in Heartland through the purchase of Class A Common Stock for $75 million. In total, we have invested $150.0 million and acquired less than a 5% equity interest in Heartland.