SCHEDULE 13G/A 0001373604-24-000108 0001373604 XXXXXXXX LIVE 3 Common Stock, $0.0001 par value 12/18/2025 0001620463 Athira Pharma Inc. 04746L104 18706 North Creek Parkway, Suite 104 Bothell WA 98011 Rule 13d-1(c) BML Investment Partners, L.P. b DE 0 0 0 0 0 N 0 PN Leonard Braden Michael b X1 0 0 0 0 0 N 0 IN PN Athira Pharma Inc. 18706 North Creek Parkway, Suite 104, Bothell, Washington, 98011 BML Investment Partners, L.P. 65 E Cedar, Suite 2, Zionsville, IN 46077 Delaware Y 0 0.0 0 0 0 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. BML Investment Partners, L.P. Braden M Leonard 12/18/2025 Leonard Braden Michael Braden M Leonard 12/18/2025 BML Investment Partners, L.P. is a Delaware limited partnership whose sole general partner is BML Capital Management, LLC. The managing member of BML Capital Management, LLC is Braden M. Leonard. As a result, Braden M. Leonard is deemed to be the indirect owner of the shares held directly by BML Investment Partners, L.P. Despite such shared beneficial ownership, the reporting persons disclaim that they constitute a statutory group within the meaning of Rule 13d-5(b)(1) of the Exchange Act.