X0202 SCHEDULE 13G/A 0001172661-26-000048 0001962221 XXXXXXXX LIVE 1 Common Stock, $1.00 par value per share 09/30/2026 0002044671 Hingham Institution for Savings 433323102 55 Main St Hingham MA 02043 Rule 13d-1(c) Doma Perpetual Capital Management LLC b DE 0.00 120146.00 0.00 120146.00 120146.00 N 5.45 IA (1) The figures in Items 6, 8, and 9 include 120,146 shares of Common Stock, $1.00 par value per share ("Common Stock") of Hingham Institution for Savings (the "Issuer"), held directly by DOMA Perpetual LO Equity Master Fund LP, a Cayman Islands exempted limited partnership (the "Doma Master Fund"). (2) The figure in Item 11 is based upon 2,203,250 shares of Common Stock of the Issuer outstanding as of November 4, 2026, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2026. DOMA1 LLC b DE 0.00 120146.00 0.00 120146.00 120146.00 N 5.45 OO (1) The figures in Items 6, 8, and 9 include 120,146 shares of Common Stock of the Issuer held directly by the Doma Master Fund. (2) The figure in Item 11 is based upon 2,203,250 shares of Common Stock of the Issuer outstanding as of November 4, 2026, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2026. DOMA2 LLC b DE 0.00 120146.00 0.00 120146.00 120146.00 N 5.45 OO (1) The figures in Items 6, 8, and 9 include 120,146 shares of Common Stock of the Issuer held directly by the Doma Master Fund. (2) The figure in Item 11 is based upon 2,203,250 shares of Common Stock of the Issuer outstanding as of November 4, 2026, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2026. DOMA Perpetual Partners GP LLC b DE 0.00 120146.00 0.00 120146.00 120146.00 N 5.45 OO The figure in Item 11 is based upon 2,203,250 shares of Common Stock of the Issuer outstanding as of November 4, 2026, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2026. DOMA Perpetual LO Equity Master Fund LP b E9 0.00 120146.00 0.00 120146.00 120146.00 N 5.45 PN The figure in Item 11 is based upon 2,203,250 shares of Common Stock of the Issuer outstanding as of November 4, 2026, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2026. Pedro Escudero b X1 0.00 120146.00 0.00 120146.00 120146.00 N 5.45 IN (1) The figures in Items 6, 8, and 9 include 120,146 shares of Common Stock of the Issuer held directly by the Doma Master Fund. (2) The figure in Item 11 is based upon 2,203,250 shares of Common Stock of the Issuer outstanding as of November 4, 2026, as disclosed in the Issuer's Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2026. Hingham Institution for Savings 55 Main Street, Hingham, MA 02043 This statement is jointly filed by and on behalf of each of DOMA Perpetual Capital Management LLC, a Delaware limited liability company ("DOMA"), DOMA1 LLC, a Delaware limited liability company ("Doma 1"), DOMA2 LLC, a Delaware limited liability company ("Doma 2"), DOMA Perpetual Partners GP LLC, a Delaware limited liability company ("Doma GP"), DOMA Perpetual LO Equity Master Fund LP, a Cayman Islands exempted limited partnership (the "Doma Master Fund"), and Pedro Escudero (each of the foregoing, a "Reporting Person" and collectively, the "Reporting Persons"). DOMA is the investment manager of, and may be deemed to indirectly beneficially own securities owned by, the Doma Master Fund. Doma 1 is the managing member of, and may be deemed to indirectly beneficially own securities beneficially owned by, DOMA. Doma 2 is the managing member of, and may be deemed to indirectly beneficially own securities beneficially owned by, Doma GP. Doma GP is the general partner of, and may be deemed to indirectly beneficially own securities owned by, the Doma Master Fund. Mr. Escudero is the Chief Executive Officer and Chief Investment Officer of DOMA, and the sole manager of Doma 1 and Doma 2, and may be deemed to indirectly beneficially own securities beneficially owned by, DOMA, Doma 1 and Doma 2. Each Reporting Person disclaims beneficial ownership of the shares of Common Stock of the Issuer held directly by the other Reporting Persons. Each Reporting Person declares that neither the filing of this statement nor anything herein shall be construed as an admission that such Reporting Person is, for the purposes of Section 13(d) or 13(g) of the Securities Exchange Act of 1934 (the "Act") or any other purpose, the beneficial owner of any securities covered by this statement. Each Reporting Person may be deemed to be a member of a group with respect to the Issuer or securities of the Issuer for the purposes of Section 13(d) or 13(g) of the Act. Each of the Reporting Persons declares that neither the filing of this statement nor anything herein shall be construed as an admission that such Reporting Person is, for the purposes of Section 13(d) or 13(g) of the Act or any other purpose, (i) acting (or has agreed or is agreeing to act together with any other person) as a partnership, limited partnership, syndicate, or other group for the purpose of acquiring, holding, or disposing of securities of the Issuer or otherwise with respect to the Issuer or any securities of the Issuer or (ii) a member of any group with respect to the Issuer or any securities of the Issuer. The principal business address of each of the Reporting Persons is 3350 Virginia Street, Suite 530, Miami, FL, 33133. See Item 4 on the cover pages hereto. Y See Item 9 on the cover pages hereto. See Item 11 on the cover pages hereto. See Item 5 on the cover pages hereto See Item 6 on the cover pages hereto. See Item 7 on the cover pages hereto. See Item 8 on the cover pages hereto. Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. Exhibit 99.1 Joint Filing Agreement (filed herewith). Doma Perpetual Capital Management LLC /s/ Pedro Escudero 11/12/2026 DOMA1 LLC /s/ Pedro Escudero 11/12/2026 DOMA2 LLC /s/ Pedro Escudero 11/12/2026 DOMA Perpetual Partners GP LLC /s/ Pedro Escudero 11/12/2026 DOMA Perpetual LO Equity Master Fund LP /s/ Pedro Escudero 11/12/2026 Pedro Escudero /s/ Pedro Escudero 11/12/2026