X0202 SCHEDULE 13G 0001734820 XXXXXXXX LIVE Common Stock, par value $0.01 per share 06/30/2026 0001489993 Mobia Medical, Inc. 60705V103 2802 Flintrock Trace, Suite 226 Austin TX 78738 Rule 13d-1(d) U.S. Venture Partners XII, L.P. b DE 0 1906809 0 1906809 1906809 N 5.7 PN The reported securities are owned directly by U.S. Venture Partners XII, L.P. ("USVP XII"). Presidio Management Group XII, L.L.C. ("PMG XII") is the general partner of each of the USVP XII Funds (as defined below) and may be deemed to have sole voting and dispositive power over the reported securities held by the USVP XII Funds. Dr. Jonathan Root, Steven Krausz, Richard Lewis and Dafina Toncheva are the managing members of PMG XII, who may be deemed to share voting and dispositive power over the shares held by U.S. Venture Partners (as defined below). In addition, Casey M. Tansey, a member of the Issuer's board of directors, is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by U.S. Venture Partners. Each such persons and entities disclaim beneficial ownership of the reported securities held by U.S. Venture Partners, except to the extent of any pecuniary interest therein. The amount beneficially owned by each Reporting Person is determined based on 33,249,006 shares of Common Stock outstanding as of June 1, 2026 as reported by the Issuer in its Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission (the "Commission") on June 4, 2026 (the "Form 10-Q"). Presidio Management Group XII, L.L.C. b DE 0 3626826 0 3626826 3626826 N 10.9 OO Consists of (i) 1,906,809 shares of Common Stock held directly by USVP XII, (ii) 96,772 shares of Common Stock held directly by U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"), and (iii) 1,623,245 shares of Common Stock held directly by U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), on its own behalf and as nominee for U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"). PMG XII is the general partner of each of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and together with USVP XII and USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, the "U.S. Venture Partners") is the general partner of USVP SFI and USVP SFI-A. Dr. Jonathan Root, Steven Krausz, Richard Lewis and Dafina Toncheva are the managing members of PMG XII, who may be deemed to share voting and dispositive power over the shares held by U.S. Venture Partners. In addition, Casey M. Tansey, a member of the Issuer's board of directors, is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by U.S. Venture Partners. Each such persons and entities disclaim beneficial ownership of the reported securities held by U.S. Venture Partners, except to the extent of any pecuniary interest therein. The amount beneficially owned by each Reporting Person is determined based on 33,249,006 shares of Common Stock outstanding as of June 1, 2026 as reported by the Issuer in its Form 10-Q. Casey M. Tansey b X1 233332 3626826 233332 3626826 3860158 N 11.6 IN Consists of (i) 1,906,809 shares of Common Stock held directly by USVP XII, (ii) 96,772 shares of Common Stock held directly by USVP XII-A and (iii) 1,623,245 shares of Common Stock held directly by USVP SFI, on its own behalf and as nominee for USVP SFI-A. PMG XII is the general partner of each of USVP XII and USVP XII-A. PMG SFI is the general partner of USVP SFI and USVP SFI-A. Dr. Jonathan Root, Steven Krausz, Richard Lewis and Dafina Toncheva are the managing members of PMG XII, who may be deemed to share voting and dispositive power over the shares held by U.S. Venture Partners. In addition, Casey M. Tansey, a member of the Issuer's board of directors, is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by U.S. Venture Partners. Each such persons and entities disclaim beneficial ownership of the reported securities held by U.S. Venture Partners, except to the extent of any pecuniary interest therein. The amount beneficially owned by each Reporting Person is determined based on 33,249,006 shares of Common Stock outstanding as of June 1, 2026 as reported by the Issuer in its Form 10-Q. Mobia Medical, Inc. 2802 Flintrock Trace, Suite 226, Austin, TX 78738 This Schedule 13G is being filed on behalf of (i) U.S. Venture Partners XII, L.P., a Delaware limited partnership, (ii) Presidio Management Group XII, L.L.C., a Delaware limited liability company and (iii) Casey M. Tansey, a citizen of the United States (the foregoing entities and individuals are collectively referred to as the "Reporting Persons"). The Reporting Persons expressly disclaim status as a "group" for purposes of this Schedule 13G. The agreement among the Reporting Persons to file jointly in accordance with the provisions of Rule 13d-1(k)(1) under the Act is attached to this Statement as Exhibit 1. Other than those securities reported herein as being held directly by such Reporting Person, each Reporting Person disclaims beneficial ownership of all securities reported in this Statement except to the extent of such Reporting Person's pecuniary interest therein. The principal business office of the Reporting Persons is 1460 El Camino Real, Suite 100, Menlo Park, California 94025. See Item 2(a) Y See Row 9 of the cover page for each Reporting Person and the corresponding comments. See Row 11 of the cover page for each Reporting Person and the corresponding comments. See Row 5 of the cover page for each Reporting Person and the corresponding comments. See Row 6 of the cover page for each Reporting Person and the corresponding comments. See Row 7 of the cover page for each Reporting Person and the corresponding comments. See Row 8 of the cover page for each Reporting Person and the corresponding comments. Y Y Y Y Y Y Exhibit 1 - Joint Filing Agreement U.S. Venture Partners XII, L.P. /s/ Dale Holladay 08/13/2026 Presidio Management Group XII, L.L.C. /s/ Dale Holladay 08/13/2026 Casey M. Tansey /s/ Dale Holladay 08/13/2026