Shareholder Vote

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM  8-K   CURRENT REPORT  Pursuant to Section 13 or 15(d)  of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 9, 2026 Ategrity Specialty Insurance Company Holdings   (Exact name of registrant as specified in its charter) Nevada 001-42695 82-4925734 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification Number) 9 West 57th Street , 33rd Floor   New York , NY 10019   (Address of principal executive offices, including Zip Code) Registrant’s telephone number, including area code: (212) 509-1600   Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)  o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))  o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, $0.001 par value per share ASIC New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company x 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 Item 5.07 Submission of Matters to a Vote of Security Holders   On June 9, 2026, Ategrity Specialty Insurance Company Holdings (the “Company”) held its Annual Meeting of Stockholders. Holders of the Company’s common stock were entitled to one vote per share held as of the close of business on April 16, 2026 (the “Record Date”). A total of 44,042,948 shares of the Company’s common stock were present in person or represented by proxy at the meeting, representing 91.62% of the voting power of the Company’s common stock as of the Record Date. The following are the voting results for the proposals considered and voted upon at the meeting, each of which was described in the Company’s Definitive Proxy Statement filed with the Securities and Exchange Commission on April 30, 2026.   Item 1 — Election of seven directors for a term of office expiring on the date of the annual meeting of stockholders in 2027 and until their respective successors have been duly elected and qualified.   The stockholders elected each of the seven persons named below as directors to serve until the 2027 annual meeting of stockholders or until their successors are duly elected and qualified. The results of such vote were:   Nominee Votes For Votes Withheld Broker Non-Votes Stuart J. Zimmer 41,698,533 1,450,561 893,854 Justin Cohen 42,451,399 697,695 893,854 Tom Hulst 41,268,120 1,880,974 893,854 William Mercer 41,270,838 1,878,256 893,854 Robert C. Merton, Ph.D. 41,277,551 1,871,543 893,854 Mitchell Pressman 41,737,631 1,411,463 893,854 John (Jack) L. Sennott, Jr. 41,739,714 1,409,380 893,854   Item 2 — Ratification of the appointment of EY as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026.   The stockholders ratified the appointment of EY as the Company’s independent registered public accounting firm for the fiscal year ending December 31, 2026. The results of such vote were: Votes For Votes Against Votes Abstained Broker Non-Votes 43,543,181 489,571 10,196 0 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. ATEGRITY SPECIALTY INSURANCE COMPANY HOLDINGS Date: June 11, 2026 By: /s/ Neelam Patel Neelam Patel Chief Financial Officer