X0202 SCHEDULE 13G/A 0001671550 XXXXXXXX LIVE 2 Common Stock 03/10/2026 0001088034 Usio, Inc. 917313108 3611 Paesanos Parkway Suite 300 San Antonio TX 78231 Rule 13d-1(c) National Services, Inc. NV 2721272.00 0.00 2721272.00 0.00 2721272.00 N 9.86 CO (1) Includes 2,713,852 shares held by Whittier Trust Company for the benefit of National Services, Inc. ("NSI") and 7,420 shares held by NSI's sole shareholder as of the date of this filing. (2) Calculated in accordance with Rule 13d-3 promulgated under the Securities Exchange Act of 1934, as amended (the "Exchange Act") and based on 27,595,994 shares of Common Stock outstanding as of May 11, 2026 as reported in the Quarterly Report on Form 10-Q for the quarter ended March 31, 2026 filed by the Issuer on May 13, 2026. Usio, Inc. 3611 Paesanos Parkway, Suite 300, San Antonio, Texas 78231 National Services, Inc. The address for the principal business office of National Services, Inc. is 4303 San Rafael Avenue, Los Angeles, CA 90042 National Services, Inc. is a Nevada Corporation Y 2,721,272 shares of Common Stock (1) 9.86% (2) 2,721,272 shares of Common Stock (1) 0 2,721,272 shares of Common Stock (1) 0 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. National Services, Inc. /s/ Jeffrey R. Dohoda 05/18/2026 * The power of attorney is incorporated herein by reference to Exhibit 24.1 to the Form 4 of National Services, Inc. filed January 22, 2026, accession number: 0001213900-26-006773