SCHEDULE 13G/A 0001042527 XXXXXXXX LIVE 26 Common Stock, $.01 par value 12/31/2025 0001672909 Canterbury Park Holding Corp 13811E101 1100 CANTERBURY ROAD S. SHAKOPEE MN 55379 Rule 13d-1(d) SAMPSON RANDALL D X1 963483.00 33530.00 963483.00 33530.00 997013.00 19.5 IN Canterbury Park Holding Corp 1100 CANTERBURY ROAD S., SHAKOPEE, MINNESOTA, 55379 Randall D. Sampson 1100 Canterbury Road, Shakopee, Minnesota 55379 United States N As of December 31, 2025, Mr. Sampson beneficially owns 997,013 shares of the outstanding common stock of the Company, which includes: (i) 261,923 shares of common stock owned by Mr. Sampson individually and includes 1,000 shares of unvested deferred stock that will vest within sixty days from December 31, 2025; (ii) 33,530 shares of common stock owned jointly by Mr. Sampson and his spouse; (iii) 34,173 shares of common stock held by the Randall D. Sampson GST Trust, of which Mr. Sampson is the sole trustee; (iv) 667,387 shares of common stock held by Sampson Family Real Estate Holdings, LLC, of which Mr. Sampson is the sole manager; and Does not include 14,075 shares of unvested deferred stock that will vest beyond sixty days from December 31, 2025. Mr. Sampson disclaims beneficial ownership of all of the foregoing shares of the Company's common stock except those shares he holds individually or jointly with his spouse. 19.5% based on 5,099,272 shares of the Company's common stock outstanding on November 7, 2025 as reported in the Company's Quarterly Report on Form 10-Q for the quarter ended September 30, 2025 filed on November 7, 2025. 963,483 33,530 963,483 33,530 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. SAMPSON RANDALL D Randall D. Sampson 02/13/2026