Company: DMRC
Filing Date: 2025-03-26
Form Type: 10-K/A
Source: 0001193125-25-063090
Chunk: 2

Company: Digimarc CORP
Filing Date: 2025-03-26
Form: 10-K/A
Chunk 2
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 any other purposes. As of February 21, 2025, 21,548,579shares of the registrant’s common stock were outstanding. DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant’s proxy statement pursuant to Regulation 14A (the “Proxy Statement”) for its 2025 annual meeting of shareholders are incorporated by reference into Items 10, 11, 12, 13 and 14 of Part III of this Annual Report on Form 10-K.The registrant intends to file the Proxy Statement not later than 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K.

| Auditor Name: KPMG LLP |     | Auditor Location: Portland, Oregon |     | Auditor Firm ID: 185 |

EXPLANATORY NOTE Digimarc Corporation (the “Company”) is filing this Amendment No. 1 on Form 10-K/A(this “Amendment”) to amend the Company’s Annual Report on Form 10-Kfor the fiscal year ended December 31, 2024 (the “Original Filing”), which was originally filed with the U.S. Securities and Exchange Commission (the “SEC”) on February 27, 2025 (the “Original Filing Date”). The sole purpose of this Amendment is to supplement the Exhibits contained in Item 15(a)(3) of the Original Filing to include Exhibit 19, Insider Trading Policy, under Section 12 of the Securities Exchange Act of 1934, as amended, which was inadvertently omitted in the Original Filing. This Amendment is an exhibit-only filing. Except as described above, no changes have been made to the Original Filing and this Amendment does not modify, amend, or update in any way any of the financial or other information contained in the Original Filing. This Amendment does not reflect events that may have occurred subsequent to the Original Filing Date. Accordingly, this Amendment should be read in conjunction with the Original Filing and the Company’s other filings with the SEC. Pursuant to Rule 12b-15of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), currently dated certifications are filed herewith as exhibits to this Amendment pursuant to Rule 13a-14(a)or 15d-14(a)of the Exchange Act under Item 15 of Part IV hereof. Because no financial statements have been included in this Amendment and this Amendment does not contain any disclosure with respect to Items 307 and 308