Monolithic Power Systems 10-Q 2025-09-30

Filed 2025-11-05. 1 sections, 125K characters. Original on sec.gov · Markdown · JSON

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☒QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2025

OR

☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission file number: 000-51026

Monolithic Power Systems, Inc. (Exact name of registrant as specified in its charter)
Delaware77-0466789
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification Number)
1555 Palm Beach Lakes Blvd., West Palm Beach, Florida 33401 (Address of principal executive offices)(Zip Code)15808 Lake Washington Blvd. NE, Kirkland, Washington 98033 (Address of principal executive offices)(Zip Code)1

(425) 296-9956

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each classTrading SymbolName of each exchange on which registered
Common Stock, par value $0.001 per shareMPWRThe NASDAQ Global Select Market

1 We have operations in multiple locations in the US, Europe and Asia. Accordingly, we do not maintain a headquarters. We are including these addresses solely for the purpose of satisfying the Securities and Exchange Commission’s requirements.

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☒Accelerated filer ☐Non-accelerated filer ☐
Smaller reporting company ☐Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☒

There were 47,907,000 shares of the registrant’s common stock issued and outstanding as of October 29, 2025.

MONOLITHIC POWER SYSTEMS, INC.

Form 10-Q

For the Quarter Ended September 30, 2025

TABLE OF CONTENTS

PAGE
PART I. FINANCIAL INFORMATION4
Item 1.Financial Statements (unaudited)4
Condensed Consolidated Balance Sheets4
Condensed Consolidated Statements of Operations5
Condensed Consolidated Statements of Comprehensive Income6
Condensed Consolidated Statements of Stockholders’ Equity7
Condensed Consolidated Statements of Cash Flows8
Notes to Condensed Consolidated Financial Statements9
Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations25
Item 3.Quantitative and Qualitative Disclosures About Market Risk32
Item 4.Controls and Procedures32
PART II. OTHER INFORMATION33
Item 1.Legal Proceedings33
Item 1A.Risk Factors33
Item 2.Unregistered Sales of Equity Securities and Use of Proceeds34
Item 3.Defaults Upon Senior Securities34
Item 4.Mine Safety Disclosures34
Item 5.Other Information34
Item 6.Exhibits35

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

MONOLITHIC POWER SYSTEMS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands, except par value)

(Unaudited)

September 30,December 31,
20252024
ASSETS
Current assets:
Cash and cash equivalents$1,081,251$691,816
Short-term investments188,233171,130
Accounts receivable, net241,560172,518
Inventories505,680419,611
Other current assets96,021109,978
Total current assets2,112,7451,565,053
Property and equipment, net597,311494,945
Acquisition-related intangible assets, net9,0779,938
Goodwill25,94425,944
Deferred tax assets, net1,300,2601,326,840
Other long-term assets161,055194,377
Total assets$4,206,392$3,617,097
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable$141,689$102,526
Accrued compensation and related benefits99,60263,918
Other accrued liabilities201,513128,123
Total current liabilities442,804294,567
Income tax liabilities78,26165,193
Other long-term liabilities117,380111,570
Total liabilities638,445471,330
Commitments and contingencies (Note 8)
Stockholders’ equity:
Common stock and additional paid-in capital: $0.001 par value; shares authorized: 150,000; shares issued and outstanding: 47,905 and 47,823, respectively885,123706,817
Retained earnings2,705,5272,487,461
Accumulated other comprehensive loss(22,703)(48,511)
Total stockholders’ equity3,567,9473,145,767
Total liabilities and stockholders’ equity$4,206,392$3,617,097

See accompanying notes to unaudited condensed consolidated financial statements.

MONOLITHIC POWER SYSTEMS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(In thousands, except per-share amounts)

(Unaudited)

| | | Three Months Ended September 30, | | | | | | | | Nine Months Ended September 30, | | | | | | | | --- | --- | --- | --- | --- | --- | --

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