SCHEDULE 13D/A 0000831616 XXXXXXXX LIVE 5 Common Stock, par value $0.001 per share 03/21/2025 false 0001446687 000000000 Silver Star Properties REIT, Inc.

601 Sawyer Street Suite 600 Houston TX 77007

Allen R. Hartman (281) 380-0770 11211 Katy Freeway, Suite 309 Houston TX 77079 0000831616 N Allen R. Hartman a OO N X1 1819489.00 2813732.00 1819489.00 2813732.00 4633221.00 N 6.98 IN 0002002347 N Hartman Family Protection Trust a OO N X1 2813732.00 0.00 2813732.00 0.00 2813732.00 N 4.24 OO 0002002496 N Hartman XX Holdings, Inc. a OO N TX 19000.00 0.00 19000.00 0.00 19000.00 N 0.03 CO 0001654948 N Hartman vREIT XXI, Inc. a OO N MD 1198228.00 0.00 1198228.00 0.00 1198228.00 N 1.80 CO 0002002277 N Lisa Hartman a PF N X1 3420.00 2813732.00 3420.00 2813732.00 2817152.00 N 4.24 IN 0002002330 N Charlotte Hartman a OO N X1 91430.00 0.00 91430.00 0.00 91430.00 N 0.14 IN 0002002254 N Victoria Hartman Massey a OO N X1 91430.00 0.00 91430.00 0.00 91430.00 N 0.14 IN 0002001980 N Margaret Hartman a OO N X1 411359.00 0.00 411359.00 0.00 411359.00 N 0.62 IN Common Stock, par value $0.001 per share Silver Star Properties REIT, Inc. 601 Sawyer Street Suite 600 Houston TX 77007 This Amendment No. 5 on Schedule 13D/A (the "Amendment") amends the Schedule 13D filed with the Securities and Exchange Commission (the "SEC") by the undersigned on October 17, 2023, as previously amended on each of December 22, 2023, December 15, 2023, November 29, 2023 and October 24, 2023 (as amended, the "Schedule 13D") in respect of the common stock, par value $0.001 per share, of Silver Star Properties REIT, Inc. ("Silver Star"). Item 4 is hereby amended to add the following: On March 21, 2025, Allen R. Hartman delivered a letter to the Issuer formally nominating a slate of three highly qualified director candidates, Allen R. Hartman, Brent Longnecker and Benjamin Thomas (collectively, the "Nominees"), for election to the board of directors of the Issuer at the 2025 Annual Meeting of Stockholders of Silver Star Properties REIT, Inc. Item 5(a) through (c) is amended and restated in its entirety as follows: The Reporting Persons beneficially own 5,230,860 shares of Common Stock in the aggregate, which represent approximately 7.92% of the outstanding shares of Common Stock, based on the 66,425,433 shares of Common Stock reported as being outstanding in the Issuer's Current Report on Form 8-K filed on November 12, 2024. See rows (11) and (13) of the cover pages to the Schedule 13D for the aggregate number of shares of Common Stock and percentage of shares of Common Stock beneficially owned by each of the Reporting Persons. Allen R. Hartman is the Executive Chairman and CEO of Hartman XX Holdings, Inc. ("Holdings") and, by virtue of such position, has sole voting and investment discretion with respect to the shares held by Holdings. Mr. Hartman is the CEO and Chairman of the board of directors of Hartman vREIT XXI, Inc. ("vREIT") and, by virtue of such position, has sole voting and investment discretion with respect to the shares held by vREIT. Mr. Hartman and Lisa Hartman are each co-trustees of the Hartman Family Protection Trust (the "Trust"), and by virtue of such position, each of Mr. and Mrs. Hartman share voting and investment discretion with respect to the shares held by the Trust. See rows (7) through (10) of the cover pages to the Schedule 13D for the number of shares of Common Stock as to which each Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition of shares of Common Stock. The Reporting Persons have not entered into any transactions in the securities of the Issuer during the past sixty days. Allen R. Hartman /s/ Allen R. Hartman 03/24/2025 Hartman Family Protection Trust /s/ Allen R. Hartman 03/24/2025 Hartman XX Holdings, Inc. /s/ Allen R. Hartman 03/24/2025 Hartman vREIT XXI, Inc. /s/ Allen R. Hartman 03/24/2025 Lisa Hartman /s/ Lisa Hartman 03/24/2025 Charlotte Hartman /s/ Charlotte Hartman 03/24/2025 Victoria Hartman Massey /s/ Victoria Hartman Massey 03/24/2025 Margaret Hartman /s/ Margaret Hartman 03/24/2025