X0202 SCHEDULE 13G/A 0002100534 XXXXXXXX LIVE 1 Common Stock, $0.001 par value 06/30/2026 0001001907 ASTROTECH Corp 046484309 2105 Donley Drive, Suite 100 Austin TX 75758 Rule 13d-1(c) Skylark Partners I, LP TX 100 0 100 0 100 0.0 PN ASTROTECH Corp 2105 Donley Drive, Suite 100, Austin, TX 78758 Skylark Partners I, LP 1704 Channel Road Austin, Texas 78746 Texas Y 0 0% 100 0 100 0 N 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. Skylark Partners I, LP John Porter 06/30/2026