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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

For the fiscal year ended December 31, 2025

or

Commission file number: 0-27275

Akamai Technologies, Inc.

(Exact name of registrant as specified in its charter)

145 Broadway

Cambridge, Massachusetts 02142

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (617) 444-3000

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

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes þ No ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes ¨ No þ

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 þ 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 þ 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.

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. o

Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. þ

If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements. o

Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b). o

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

The aggregate market value of the voting and non-voting common equity held by non-affiliates of the registrant was approximately $11,183.9 million based on the last reported sale price of the Common Stock on the Nasdaq Global Select Market on June 30, 2025. For the purposes of this disclosure only, the registrant has assumed that its directors and executive officers (as defined in Rule 3b-7 under the Exchange Act) are the affiliates of the registrant.

The number of shares outstanding of the registrant’s Common Stock, par value $0.01 per share, as of February 16, 2026: 144,888,114 shares.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s definitive proxy statement to be filed with the Securities and Exchange Commission relative to the registrant’s 2026 Annual Meeting of Stockholders are incorporated by reference into Items 10, 11, 12, 13 and 14 of Part III of this annual report on Form 10-K.

AKAMAI TECHNOLOGIES, INC.

ANNUAL REPORT ON FORM 10-K

FOR THE FISCAL YEAR ENDED DECEMBER 31, 2025

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Forward-Looking Statements

This annual report on Form 10-K contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995 regarding future events and the future results of Akamai Technologies, Inc., which we refer to as “we,” “us,” or the “Company.” All statements other than statements of historical facts are statements that could be deemed forward-looking statements. These statements are subject to risks and uncertainties and are based on the beliefs and assumptions of our management as of the date hereof based on information currently available to our management. Use of words such as “believes,” “could,” “expects,” “anticipates,” “intends,” “plans,” “seeks,” “projects,” “estimates,” “should,” “would,” “forecasts,” “if,” “continues,” “goal,” “likely,” “may,” “will,” variations of such words or similar expressions are intended to identify a forward-looking statement. Forward-looking statements are not guarantees of future performance and involve risks, uncertainties and assumptions. Actual results may differ materially from the forward-looking statements we make as a result of various factors, including, but not limited to: potential slowing revenue growth, global economic and geopolitical conditions, including changes in customer spending and inflation, our ability to acquire or develop new solutions, our ability to compete effectively, including our ability to continue to grow our artificial intelligence "AI" infrastructure, compute services and solutions, security risks stemming from ineffective information technology systems or cybersecurity breaches, risks of maintaining global operations, regulatory developments, intellectual property claims or disputes, investment related risks and maintaining an effective system of internal controls. See “Risk Factors” elsewhere in this annual report on Form 10-K and in our other reports filed with the Securities and Exchange Commission for a discussion of certain risks associated with our business. We disclaim any obligation to update any forward-looking statements as a result of new information, future events or otherwise, including the potential impact of any mergers, acquisitions, divestitures or other events that may be announced after the date hereof.

PART I