ROOT JONATHAN D

SEC source: 0001610717-26-000431 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 192,571

F1 · shares: Represents restricted stock units ("RSUs") that were granted pursuant to the Issuer's Non-Employee Director Compensation Program (the "Program") in lieu of retainer fees. Each RSU represents the right to receive one (1) share of Common Stock, with settlement to take place either (i) on a date selected by the Reporting Person pursuant to the Program or (ii) as otherwise provided by the Program.

SEC source: 0001610717-26-000323 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,877

F1 · shares: Represents restricted stock units ("RSUs") that were granted pursuant to the Issuer's Non-Employee Director Compensation Program (the "Program") in lieu of retainer fees. Each RSU represents the right to receive one (1) share of Common Stock, with settlement to take place either (i) on a date selected by the Reporting Person pursuant to the Program or (ii) as otherwise provided by the Program.

SEC source: 0001610717-26-000252 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 191,057

F1 · shares: Constitute restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting. 100% of the RSUs will fully vest on the earlier of (i) the first anniversary of the grant date or (ii) the date of the 2027 Annual Meeting of the Issuer's stockholders, subject to continued service through such vesting date.

SEC source: 0001710072-26-000001 · primary_doc.xml · derivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,377

Underlying: Common Stock · 16,377 shares

Expires 2036-06-05

F1 · derivative.exercise_date: 100% of the Stock Options Granted on June 5, 2026 will become vested on the earlier of (i) June 5, 2027 or (ii) the business day prior to the 2027 annual meeting of shareholders.

SEC source: 0001193125-26-276601 · ownership.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 497,697

F1 · shares: Constitutes an award of restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting. The RSUs will vest in full on the earlier of (i) the day before the Issuer's 2027 annual meeting of stockholders or (ii) June 3, 2027, subject, in all cases, to the Reporting Person's continued service as a member of the Board of Directors through such vesting date.

SEC source: 0001610717-26-000142 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 180,175

F1 · shares: Represents restricted stock units ("RSUs") that were granted pursuant to the Issuer's Non-Employee Director Compensation Program (the "Program") in lieu of retainer fees. Each RSU represents the right to receive one (1) share of Common Stock, with settlement to take place either (i) on a date selected by the Reporting Person pursuant to the Program or (ii) as otherwise provided by the Program.

SEC source: 0001610717-26-000006 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 179,293

F1 · shares: Represents restricted stock units ("RSUs") that were granted pursuant to the Issuer's Non-Employee Director Compensation Program (the "Program") in lieu of retainer fees. Each RSU represents the right to receive one (1) share of Common Stock, with settlement to take place either (i) on a date selected by the Reporting Person pursuant to the Program or (ii) as otherwise provided by the Program.

SEC source: 0001610717-25-000406 · form4.xml · nonDerivative · entry 3

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · kind: Represents a pro-rata, in-kind distribution by U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), without additional consideration, to its partners.

F3 · ownership.nature: Shares held by USVP X Affiliates, L.P.

F4 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of the USVP X Funds, has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000406 · form4.xml · nonDerivative · entry 2

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · kind: Represents a pro-rata, in-kind distribution by U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), without additional consideration, to its partners.

F2 · ownership.nature: Shares held by U.S. Venture Partners X, L.P.

F4 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of the USVP X Funds, has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000406 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 178,378

F1 · kind: Represents a pro-rata, in-kind distribution by U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), without additional consideration, to its partners.

SEC source: 0001628280-25-044515 · wk-form4_1759869756.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,630

F1 · shares: Represents restricted stock units ("RSUs") that were granted pursuant to the Issuer's Non-Employee Director Compensation Program (the "Program") in lieu of retainer fees. Each RSU represents the right to receive one (1) share of Common Stock.

SEC source: 0000950170-25-098529 · ownership.xml · derivative · entry 16

ROOT JONATHAN D · CIK 0001225480 · Director

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.

F7 · derivative.exercise_price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.exercise_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.expiration_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F5 · ownership.nature: Stock held 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").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · derivative · entry 15

ROOT JONATHAN D · CIK 0001225480 · Director

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.

F7 · derivative.exercise_price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.exercise_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.expiration_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F4 · ownership.nature: Stock held by U.S. Venture Partners XII-A, L.P. ("USVP XII-A").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · derivative · entry 14

ROOT JONATHAN D · CIK 0001225480 · Director

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.

F7 · derivative.exercise_price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.exercise_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.expiration_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F4 · ownership.nature: Stock held by U.S. Venture Partners XII-A, L.P. ("USVP XII-A").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · derivative · entry 13

ROOT JONATHAN D · CIK 0001225480 · Director

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.

F7 · derivative.exercise_price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.exercise_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.expiration_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F4 · ownership.nature: Stock held by U.S. Venture Partners XII-A, L.P. ("USVP XII-A").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · derivative · entry 12

ROOT JONATHAN D · CIK 0001225480 · Director

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.

F7 · derivative.exercise_price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.exercise_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.expiration_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F3 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · derivative · entry 11

ROOT JONATHAN D · CIK 0001225480 · Director

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.

F7 · derivative.exercise_price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.exercise_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.expiration_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F3 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · derivative · entry 10

ROOT JONATHAN D · CIK 0001225480 · Director

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.

F7 · derivative.exercise_price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.exercise_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F7 · derivative.expiration_date: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F3 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · nonDerivative · entry 9

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 483,999

F8 · shares: Includes 466,666 shares of the Issuer's common stock purchased by the Reporting Person in the Issuer's initial public offering at the public offering price of $15.00 per share. The purchase was made directly from the underwriters in connection with the offering.

F9 · balance_after: Includes (i) 466,666 shares of the Issuer's common stock purchased by the reporting person in the Issuer's initial public offering at the public offering price of $15.00 per share, and (ii) 17,333 unvested RSUs convertible into approximately 17,333 shares of the Issuer's common stock. The RSUs will vest in equal annual installments over three years.

SEC source: 0000950170-25-098529 · ownership.xml · nonDerivative · entry 8

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

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.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F5 · ownership.nature: Stock held 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").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · nonDerivative · entry 7

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

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.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F4 · ownership.nature: Stock held by U.S. Venture Partners XII-A, L.P. ("USVP XII-A").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · nonDerivative · entry 6

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

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.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F4 · ownership.nature: Stock held by U.S. Venture Partners XII-A, L.P. ("USVP XII-A").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · nonDerivative · entry 5

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

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.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F4 · ownership.nature: Stock held by U.S. Venture Partners XII-A, L.P. ("USVP XII-A").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · nonDerivative · entry 4

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

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.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F3 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · nonDerivative · entry 3

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

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.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F3 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · nonDerivative · entry 2

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

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.

F7 · price: These securities were previously reported on a Form 3 filed by the Reporting Person as preferred stock of the Issuer. Each share of preferred stock of the Issuer converted into one share of the Issuer's common stock immediately prior to the closing of the Issuer's initial public offering on a 1-to-1 basis without payment of additional consideration. The preferred stock has no expiration date.

F3 · ownership.nature: Stock held by U.S. Venture Partners XII, L.P. ("USVP XII").

F6 · ownership.nature: Presidio Management Group XII, L.L.C ("PMG XII") is the general partner of USVP XII and USVP XII-A. Presidio Management Group Select Fund I, L.L.C ("PMG SFI," and, together with USVP XII, USVP XII-A, USVP SFI, USVP SFI-A, and PMG XII, "USVP") is the general partner of USVP SFI and USVP SFI-A. The Reporting Person is a managing member of PMG XII and PMG SFI and may be deemed to share voting and dispositive power over the stock held by USVP. The Reporting Person disclaims beneficial ownership of such stock, except to the extent of any pecuniary interest therein.

SEC source: 0000950170-25-098529 · ownership.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,333

F1 · shares: Constitute an award of restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting. The RSUs will vest in equal annual installments over three years.

F2 · shares: Includes 17,333 unvested restricted stock units convertible into approximately 17,333 shares of the Issuer's common stock.

F1 · balance_after: Constitute an award of restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting. The RSUs will vest in equal annual installments over three years.

F2 · balance_after: Includes 17,333 unvested restricted stock units convertible into approximately 17,333 shares of the Issuer's common stock.

SEC source: 0001610717-25-000278 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,973

F1 · shares: Represents restricted stock units ("RSUs") that were granted pursuant to the Issuer's Non-Employee Director Compensation Program (the "Program") in lieu of retainer fees. Each RSU represents the right to receive one (1) share of Common Stock.

SEC source: 0001562180-25-004957 · primarydocument.xml · derivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 30,000

Underlying: Common Stock · 30,000 shares

Expires 2035-06-16

F1 · derivative.exercise_date: 100% of the Stock Options granted on June 16, 2025 will become vested on the earlier of (i) June 16, 2026 or (ii) the business day prior to the 2026 annual meeting of stockholders.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 13

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 10,690 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F4 · ownership.nature: Shares held by USVP X Affiliates, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 12

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 8,283 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F4 · ownership.nature: Shares held by USVP X Affiliates, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 11

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 11,434 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F4 · ownership.nature: Shares held by USVP X Affiliates, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 10

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 56,786 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F4 · ownership.nature: Shares held by USVP X Affiliates, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 9

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 58,030 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F4 · ownership.nature: Shares held by USVP X Affiliates, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 8

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 334,151 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F3 · ownership.nature: Shares held by U.S. Venture Partners X, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 7

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 258,931 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F3 · ownership.nature: Shares held by U.S. Venture Partners X, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 6

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 357,402 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F3 · ownership.nature: Shares held by U.S. Venture Partners X, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 5

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 1,775,025 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F3 · ownership.nature: Shares held by U.S. Venture Partners X, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · derivative · entry 4

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 1,813,927 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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F2 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F3 · ownership.nature: Shares held by U.S. Venture Partners X, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · nonDerivative · entry 3

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 146,257

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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F4 · ownership.nature: Shares held by USVP X Affiliates, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · nonDerivative · entry 2

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnotes

Disclosed balance after: 4,571,769

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: Each share of Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series C-1 Preferred Stock and Series D Preferred Stock automatically converted into approximately 0.33333 shares 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 basis and have no expiration date.

F3 · ownership.nature: Shares held by U.S. Venture Partners X, L.P.

F5 · ownership.nature: Presidio Management Group X, L.L.C. ("PMG X"), the general partner of U.S. Venture Partners X, L.P. and USVP X Affiliates, L.P. (together, the "USVP X Funds"), has sole voting and dispositive power with respect to the shares held by the USVP X Funds. The Reporting Person is a managing member of PMG X, and may be deemed to share voting and dispositive power over the shares held by the USVP X Funds. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of any pecuniary interest therein.

SEC source: 0001610717-25-000185 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,736

F1 · shares: Constitute restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Common Stock for each RSU upon vesting. 100% of the RSUs will fully vest on the first anniversary of June 5, 2025.

SEC source: 0001127602-25-005749 · form4.xml · nonDerivative · entry 2

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · Directly Owned by Spouse

Disclosed balance after: 0

F1 · shares: Pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated January 6, 2025, by and among Stryker Corporation ("Parent"), Eagle 1 Merger Sub, Inc. ("Merger Sub"), and Inari Medical, Inc. ("Issuer") on February 19, 2025 (the "Effective Time"), Merger Sub merged with and into Issuer, with Issuer surviving as a wholly owned subsidiary of Parent upon consummation of the transactions contemplated by the Merger Agreement. At the Effective Time, each outstanding share of common stock of the Issuer ("Common Stock") was cancelled and converted into the right to receive $80.00 in cash (the "Merger Consideration"), without interest.

F1 · price: Pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated January 6, 2025, by and among Stryker Corporation ("Parent"), Eagle 1 Merger Sub, Inc. ("Merger Sub"), and Inari Medical, Inc. ("Issuer") on February 19, 2025 (the "Effective Time"), Merger Sub merged with and into Issuer, with Issuer surviving as a wholly owned subsidiary of Parent upon consummation of the transactions contemplated by the Merger Agreement. At the Effective Time, each outstanding share of common stock of the Issuer ("Common Stock") was cancelled and converted into the right to receive $80.00 in cash (the "Merger Consideration"), without interest.

SEC source: 0001127602-25-005749 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F1 · shares: Pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated January 6, 2025, by and among Stryker Corporation ("Parent"), Eagle 1 Merger Sub, Inc. ("Merger Sub"), and Inari Medical, Inc. ("Issuer") on February 19, 2025 (the "Effective Time"), Merger Sub merged with and into Issuer, with Issuer surviving as a wholly owned subsidiary of Parent upon consummation of the transactions contemplated by the Merger Agreement. At the Effective Time, each outstanding share of common stock of the Issuer ("Common Stock") was cancelled and converted into the right to receive $80.00 in cash (the "Merger Consideration"), without interest.

F2 · shares: Includes 4,126 restricted stock units ("RSUs"). At the Effective Time, each outstanding award of RSUs was canceled and converted into the right to receive an amount in cash equal to the product of the aggregate number of shares of Common Stock underlying such RSU immediately prior to the Effective Time, multiplied by the Merger Consideration.

F1 · price: Pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated January 6, 2025, by and among Stryker Corporation ("Parent"), Eagle 1 Merger Sub, Inc. ("Merger Sub"), and Inari Medical, Inc. ("Issuer") on February 19, 2025 (the "Effective Time"), Merger Sub merged with and into Issuer, with Issuer surviving as a wholly owned subsidiary of Parent upon consummation of the transactions contemplated by the Merger Agreement. At the Effective Time, each outstanding share of common stock of the Issuer ("Common Stock") was cancelled and converted into the right to receive $80.00 in cash (the "Merger Consideration"), without interest.

SEC source: 0001562180-24-005017 · primarydocument.xml · derivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,594

Underlying: Common Stock · 20,594 shares

Expires 2034-06-10

F1 · derivative.exercise_date: 100% of the Stock Options granted on June 10, 2024 will become vested on the earlier of (i) June 10, 2025 or (ii) the business day prior to the date of the 2025 annual meeting of stockholders.

SEC source: 0001127602-24-013476 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 541,149

F1 · shares: Represents restricted stock units granted on April 24, 2024 to the Reporting Person that vest in full on the earlier of (1) the day prior to the Issuer's next annual meeting of stockholders or (2) one year from the date of grant.

SEC source: 0001127602-24-017132 · form4a.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 541,149

F1 · shares: Represents restricted stock units granted on April 24, 2024 to the Reporting Person that vest in full on the earlier of (1) the day prior to the Issuer's next annual meeting of stockholders or (2) one year from the date of grant.

SEC source: 0001562180-23-005176 · primarydocument.xml · derivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 22,123

Underlying: Common Stock · 22,123 shares

Expires 2033-06-12

F1 · derivative.exercise_date: 100% of the Stock Options granted on June 12, 2023 will become vested on the earlier of (i) June 12, 2024 or (ii) the business day prior to the date of the 2024 annual meeting of stockholders.

SEC source: 0001127602-23-017039 · form4.xml · derivative · entry 3

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,982 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: The Reporting Person was granted restricted stock units ("RSUs") which represent a contingent right to receive one share of common stock for each RSU. 1/3 of the RSUs vested on May 27,2021, and the remaining RSUs will vest annually thereafter over the next two years.

F1 · derivative.exercise_date: The Reporting Person was granted restricted stock units ("RSUs") which represent a contingent right to receive one share of common stock for each RSU. 1/3 of the RSUs vested on May 27,2021, and the remaining RSUs will vest annually thereafter over the next two years.

F1 · derivative.expiration_date: The Reporting Person was granted restricted stock units ("RSUs") which represent a contingent right to receive one share of common stock for each RSU. 1/3 of the RSUs vested on May 27,2021, and the remaining RSUs will vest annually thereafter over the next two years.

SEC source: 0001127602-23-017039 · form4.xml · nonDerivative · entry 1

ROOT JONATHAN D · CIK 0001225480 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 537,023

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.