U.S. Venture Partners XII, L.P.

SEC source: 0001193125-26-392111 · ownership.xml · nonDerivative · entry 1

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 200,000

F1 · ownership.nature: Stock held by Casey M. Tansey.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · derivative · entry 14

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 1,117,743 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.exercise_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.expiration_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

F6 · ownership.nature: Stock held by USVP SFI, on its own behalf and as nominee for USVP SFI-A.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · derivative · entry 13

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 26,993 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.exercise_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.expiration_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: Stock Held by USVP XII-A.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · derivative · entry 12

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 41,876 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.exercise_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.expiration_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: Stock Held by USVP XII-A.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · derivative · entry 11

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 149,655 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.exercise_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.expiration_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: Stock Held by USVP XII-A.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · derivative · entry 10

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 531,877 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.exercise_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.expiration_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F2 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · derivative · entry 9

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 825,135 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.exercise_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.expiration_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F2 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · derivative · entry 8

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 2,948,794 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.exercise_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F1 · derivative.expiration_date: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F2 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · nonDerivative · entry 7

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 1,117,743

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

F6 · ownership.nature: Stock held by USVP SFI, on its own behalf and as nominee for USVP SFI-A.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · nonDerivative · entry 6

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 218,524

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: Stock Held by USVP XII-A.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · nonDerivative · entry 5

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 191,531

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: Stock Held by USVP XII-A.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · nonDerivative · entry 4

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 149,655

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

F5 · ownership.nature: Stock Held by USVP XII-A.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · nonDerivative · entry 3

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 4,305,806

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F2 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · nonDerivative · entry 2

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 3,773,929

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F2 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

SEC source: 0001415889-25-020276 · form4-07252025_120712.xml · nonDerivative · entry 1

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,948,794

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: These shares of preferred stock are reported after giving effect to the 1-for-5.58 reverse split of the Issuer's common and preferred stock effected on July 10, 2025 (the "Reverse Split"). Each share of Series A Preferred Stock, Series B Preferred Stock, and Series C Preferred Stock is convertible into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering. These shares are reported in Table II above on an as-converted 1-to-1 basis with no additional consideration and have no expiration date.

F2 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F3 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and U.S. Venture Partners XII-A, L.P. ("USVP XII-A", and together with USVP XII, the "USVP XII Funds"). Presidio Management Group Select Fund I, L.L.C ("PMG SFI", and, together with USVP XII, USVP XII-A, U.S. Venture Partners Select Fund I, L.P. ("USVP SFI"), U.S. Venture Partners Select Fund I-A, L.P. ("USVP SFI-A"), and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. PMG XII and PMG SFI may be deemed to share voting and dispositive power over the stock held by USVP.

F4 · ownership.nature: Each of Jonathan D. Root, Richard W. Lewis, Dafina Toncheva and Steven M. Krausz, are managing members of PMG XII, who may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. In addition, Casey M. Tansey is the managing partner of PMG XII and may be deemed to share voting and dispositive power over the reported securities held by the USVP XII Funds. Each such persons and entities disclaim beneficial ownership of the reported securities held by the USVP XII Funds, except to the extent of any pecuniary interest therein.

SEC source: 0001548538-20-000027 · edgar.xml · derivative · entry 9

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

U.S. Venture Partners XII-A, L.P. · CIK 0001754875 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By U.S. Venture Partners XII-A, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 14,677 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · derivative.exercise_date: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · derivative.expiration_date: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C. ("PMG XII"), the general partner of each of U.S. Venture Partners XII, L.P. and U.S. Venture Partners XII-A, L.P. (together, the "USVP XII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP XII. Casey Tansey is the sole managing partner of PMG XII and may be deemed to have voting and dispositive power over the reported securities held by the USVP XII Funds, and each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001548538-20-000027 · edgar.xml · derivative · entry 8

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

U.S. Venture Partners XII-A, L.P. · CIK 0001754875 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By U.S. Venture Partners XII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 289,198 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · derivative.exercise_date: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · derivative.expiration_date: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C. ("PMG XII"), the general partner of each of U.S. Venture Partners XII, L.P. and U.S. Venture Partners XII-A, L.P. (together, the "USVP XII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP XII. Casey Tansey is the sole managing partner of PMG XII and may be deemed to have voting and dispositive power over the reported securities held by the USVP XII Funds, and each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001548538-20-000027 · edgar.xml · derivative · entry 7

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

U.S. Venture Partners XII-A, L.P. · CIK 0001754875 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By U.S. Venture Partners XII-A, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 90,335 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · derivative.exercise_date: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · derivative.expiration_date: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C. ("PMG XII"), the general partner of each of U.S. Venture Partners XII, L.P. and U.S. Venture Partners XII-A, L.P. (together, the "USVP XII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP XII. Casey Tansey is the sole managing partner of PMG XII and may be deemed to have voting and dispositive power over the reported securities held by the USVP XII Funds, and each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001548538-20-000027 · edgar.xml · derivative · entry 6

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

U.S. Venture Partners XII-A, L.P. · CIK 0001754875 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By U.S. Venture Partners XII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,779,969 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · derivative.exercise_date: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F2 · derivative.expiration_date: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C. ("PMG XII"), the general partner of each of U.S. Venture Partners XII, L.P. and U.S. Venture Partners XII-A, L.P. (together, the "USVP XII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP XII. Casey Tansey is the sole managing partner of PMG XII and may be deemed to have voting and dispositive power over the reported securities held by the USVP XII Funds, and each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001548538-20-000027 · edgar.xml · nonDerivative · entry 5

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

U.S. Venture Partners XII-A, L.P. · CIK 0001754875 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by Tansey

Disclosed balance after: 47,619

F1 · kind: The shares were purchased in the Issuer's initial public offering.

SEC source: 0001548538-20-000027 · edgar.xml · nonDerivative · entry 4

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

U.S. Venture Partners XII-A, L.P. · CIK 0001754875 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By U.S. Venture Partners XII-A, L.P.

Disclosed balance after: 105,012

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C. ("PMG XII"), the general partner of each of U.S. Venture Partners XII, L.P. and U.S. Venture Partners XII-A, L.P. (together, the "USVP XII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP XII. Casey Tansey is the sole managing partner of PMG XII and may be deemed to have voting and dispositive power over the reported securities held by the USVP XII Funds, and each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001548538-20-000027 · edgar.xml · nonDerivative · entry 3

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

U.S. Venture Partners XII-A, L.P. · CIK 0001754875 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By U.S. Venture Partners XII-A, L.P.

Disclosed balance after: 90,335

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C. ("PMG XII"), the general partner of each of U.S. Venture Partners XII, L.P. and U.S. Venture Partners XII-A, L.P. (together, the "USVP XII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP XII. Casey Tansey is the sole managing partner of PMG XII and may be deemed to have voting and dispositive power over the reported securities held by the USVP XII Funds, and each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001548538-20-000027 · edgar.xml · nonDerivative · entry 2

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

U.S. Venture Partners XII-A, L.P. · CIK 0001754875 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By U.S. Venture Partners XII, L.P.

Disclosed balance after: 2,069,167

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C. ("PMG XII"), the general partner of each of U.S. Venture Partners XII, L.P. and U.S. Venture Partners XII-A, L.P. (together, the "USVP XII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP XII. Casey Tansey is the sole managing partner of PMG XII and may be deemed to have voting and dispositive power over the reported securities held by the USVP XII Funds, and each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001548538-20-000027 · edgar.xml · nonDerivative · entry 1

Presidio Management Group XII, L.L.C. · CIK 0001734820 · 10% owner

U.S. Venture Partners XII, L.P. · CIK 0001734819 · 10% owner

U.S. Venture Partners XII-A, L.P. · CIK 0001754875 · 10% owner

Tansey Casey M · CIK 0001474322 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By U.S. Venture Partners XII, L.P.

Disclosed balance after: 1,779,969

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · price: Series B and Series C Preferred Stock automatically converted into shares of the Issuer's Common Stock immediately upon the closing of the Issuer's imitial public offering, for no additional consideration at a rate of 1 share of Common Stock for each 3.713 shares of Preferred Stock, based on the conversion price currently in effect. The Preferred Stock had no expiration date.

F3 · ownership.nature: Presidio Management Group XII, L.L.C. ("PMG XII"), the general partner of each of U.S. Venture Partners XII, L.P. and U.S. Venture Partners XII-A, L.P. (together, the "USVP XII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP XII. Casey Tansey is the sole managing partner of PMG XII and may be deemed to have voting and dispositive power over the reported securities held by the USVP XII Funds, and each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.