SCHEDULE 13D/A 0001215920 XXXXXXXX LIVE 5 Common Stock, par value $1.00 per share 12/31/2025 false 0000040417 368802104 GENERAL AMERICAN INVESTORS CO INC

530 FIFTH AVE 26TH FLOOR NEW YORK NY 10036

Connie A. Santa Maria 2129168445 530 FIFTH AVE 26TH FLOOR NEW YORK NY 10036 0001215920 N DAVIDSON SPENCER PF OO N 1427514.00 11487.00 1427514.00 11487.00 1439001.00 N 6.0 IN Common Stock, par value $1.00 per share GENERAL AMERICAN INVESTORS CO INC 530 FIFTH AVE 26TH FLOOR NEW YORK NY 10036 This Schedule 13D is being filed to report the beneficial ownership of shares of common stock, $1.00 par value per share (the "Shares"), of General American Investors Company, Inc. (the "Issuer"). The address of the principal executive offices of the Issuer is 530 Fifth Ave, New York, NY 10036. (a) This Schedule 13D is being filed by Spencer Davidson, a citizen of the United States of America. (b) The principal business address of Mr. Davidson is 530 Fifth Ave, New York, NY 10036. (c) Mr. Davidson's principle occupation is Chairman of General American Investors Company, Inc. (d) Mr. Davidson has not been, during the past five years, convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). (e) Mr. Davidson has not been, during the past five years, party to a civil proceeding of a judicial or administrative body of competent jurisdiction as a result of which proceeding is or was subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. U.S. Citizen Share repurchases by the Company, termination/expiration of certain trusts, and reinvestment of dividends/distributions have resulted in the changes reported herein. Mr. Davidson acquired the Shares reported herein for investment purposes in the ordinary course of investing in securities for his own account. The purpose of this filing is to conform information reported herein to the January 5, 2026 Form 4/A. Other than as may have arisen in his capacity as a director of the Issuer, Mr. Davidson currently has no plans or proposals that relate to, or would result in, any of the matters listed in Item 4(a)-G) of Schedule 13D. (a) The information set forth in rows 7 through 13 of the cover page to this Schedule 13D is incorporated by reference. The percentage set forth in row 13 is based on 24,019,271 outstanding Shares as of December 31, 2025. (b) The information set forth in rows 7 through 13 of the cover page to this Schedule 13D is incorporated by reference. The percentage set forth in row 13 is based on 24,019,271 outstanding Shares as of December 31, 2025. (c) Not applicable (d) Not applicable (e) Not applicable None. None. DAVIDSON SPENCER Davidson Spencer 01/06/2026