FEDERMAN IRWIN

SEC source: 0001562180-24-005291 · primarydocument.xml · nonDerivative · entry 1

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,435

F1 · shares: Represents shares underlying restricted stock units ("RSUs"). The RSUs will vest on the earlier of (i) the date of the following year's Annual Meeting (or the date immediately prior to the next Annual Meeting if the Non-Employee Director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election); or (ii) the first anniversary of the date of the grant.

SEC source: 0001562180-23-005512 · primarydocument.xml · nonDerivative · entry 1

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 48,237

F1 · shares: Represents shares underlying restricted stock units ("RSUs"). The RSUs will vest on the earlier of (i) the date of the following year's Annual Meeting (or the date immediately prior to the next Annual Meeting if the Non-Employee Director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election); or (ii) the first anniversary of the date of the grant.

SEC source: 0001562180-22-005073 · primarydocument.xml · nonDerivative · entry 1

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,376

F1 · shares: Represents shares underlying restricted stock units ("RSUs"). The RSUs will vest on the earlier of (i) the date of the following year's Annual Meeting (or the date immediately prior to the next Annual Meeting if the Non-Employee Director's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election); or (ii) the first anniversary of the date of the grant.

SEC source: 0001062993-21-008067 · form4.xml · nonDerivative · entry 7

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by EP7-B

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.33 to $23.22, inclusive for sales on 8/31/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-008067 · form4.xml · nonDerivative · entry 6

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by EP7-A

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.33 to $23.22, inclusive for sales on 8/31/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-008067 · form4.xml · nonDerivative · entry 5

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned PMG VII

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.33 to $23.22, inclusive for sales on 8/31/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-008067 · form4.xml · nonDerivative · entry 4

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,790

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

SEC source: 0001062993-21-008067 · form4.xml · nonDerivative · entry 3

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by PMG VII

Disclosed balance after: 597

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-008067 · form4.xml · nonDerivative · entry 2

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by 2180-VII

Disclosed balance after: 0

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-008067 · form4.xml · nonDerivative · entry 1

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by USVP VII

Disclosed balance after: 0

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007965 · form4.xml · nonDerivative · entry 7

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by EP7-B

Disclosed balance after: 29,880

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.65 to $22.78, inclusive for sales on 8/24/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007965 · form4.xml · nonDerivative · entry 6

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by EP7-A

Disclosed balance after: 29,880

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.65 to $22.78, inclusive for sales on 8/24/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007965 · form4.xml · nonDerivative · entry 5

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned PMG VII

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.65 to $22.78, inclusive for sales on 8/24/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007965 · form4.xml · nonDerivative · entry 4

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,979

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

SEC source: 0001062993-21-007965 · form4.xml · nonDerivative · entry 3

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by PMG VII

Disclosed balance after: 312

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007965 · form4.xml · nonDerivative · entry 2

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by 2180-VII

Disclosed balance after: 59,758

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007965 · form4.xml · nonDerivative · entry 1

FEDERMAN IRWIN · CIK 0001192391 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by USVP VII

Disclosed balance after: 2,868,405

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007788 · form4.xml · nonDerivative · entry 7

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by EP7-B

Disclosed balance after: 45,505

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.45 to $20.50, inclusive for sales on 8/18/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007788 · form4.xml · nonDerivative · entry 6

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by EP7-A

Disclosed balance after: 45,505

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.45 to $20.50, inclusive for sales on 8/18/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007788 · form4.xml · nonDerivative · entry 5

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned PMG VII

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.45 to $20.50, inclusive for sales on 8/18/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007788 · form4.xml · nonDerivative · entry 4

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,986

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

SEC source: 0001062993-21-007788 · form4.xml · nonDerivative · entry 3

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by PMG VII

Disclosed balance after: 312

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007788 · form4.xml · nonDerivative · entry 2

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by 2180-VII

Disclosed balance after: 91,008

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007788 · form4.xml · nonDerivative · entry 1

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by USVP VII

Disclosed balance after: 4,368,405

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007455 · form4.xml · nonDerivative · entry 7

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by EP7-B

Disclosed balance after: 61,130

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.32 to $21.98, inclusive for sales on 8/12/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007455 · form4.xml · nonDerivative · entry 6

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by EP7-A

Disclosed balance after: 61,130

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.32 to $21.98, inclusive for sales on 8/12/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007455 · form4.xml · nonDerivative · entry 5

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned PMG VII

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.32 to $21.98, inclusive for sales on 8/12/2021. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007455 · form4.xml · nonDerivative · entry 4

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,993

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

SEC source: 0001062993-21-007455 · form4.xml · nonDerivative · entry 3

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by PMG VII

Disclosed balance after: 312

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007455 · form4.xml · nonDerivative · entry 2

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by 2180-VII

Disclosed balance after: 122,258

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001062993-21-007455 · form4.xml · nonDerivative · entry 1

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Directly owned by USVP VII

Disclosed balance after: 5,868,405

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock held directly by each of U.S. Venture Partners VII, L.P. ("USVP VII") and 2180 Associates Fund VII, L.P. ("2180-VII'), without additional consideration to its partners or members. Presidio Management Group VII, L.L.C ("PMG VII") received a pro-rata in-kind distribution from 2180-VII.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001110611-21-000029 · edgar.xml · derivative · entry 12

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by USVP Entrepreneur Partners VII-B, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 53,404 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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

SEC source: 0001110611-21-000029 · edgar.xml · derivative · entry 11

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · USVP Entrepreneur Partners VII-A, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 53,404 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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

SEC source: 0001110611-21-000029 · edgar.xml · derivative · entry 10

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by U.S. Venture Partners VII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 5,126,735 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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

SEC source: 0001110611-21-000029 · edgar.xml · derivative · entry 9

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by 2180 Associates Fund VII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 106,807 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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

SEC source: 0001110611-21-000029 · edgar.xml · derivative · entry 8

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held byUSVP Entrepreneur Partners VII-B, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 23,351 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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

SEC source: 0001110611-21-000029 · edgar.xml · derivative · entry 7

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by USVP Entrepreneur Partners VII-A, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 23,351 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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

SEC source: 0001110611-21-000029 · edgar.xml · derivative · entry 6

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by U.S. Venture Partners VII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 2,241,670 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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

SEC source: 0001110611-21-000029 · edgar.xml · derivative · entry 5

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by 2180 Associates Fund VII, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 46,701 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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.exercise_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F1 · derivative.expiration_date: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

SEC source: 0001110611-21-000029 · edgar.xml · nonDerivative · entry 4

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by USVP Entrepreneur Partners VII-B, L.P.

Disclosed balance after: 76,755

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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001110611-21-000029 · edgar.xml · nonDerivative · entry 3

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by USVP Entrepreneur Partners VII-A, L.P.

Disclosed balance after: 76,755

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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001110611-21-000029 · edgar.xml · nonDerivative · entry 2

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by U.S. Venture Partners VII, L.P.

Disclosed balance after: 7,368,405

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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001110611-21-000029 · edgar.xml · nonDerivative · entry 1

FEDERMAN IRWIN · CIK 0001192391 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Held by 2180 Associates Fund VII, L.P.

Disclosed balance after: 153,508

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: All of the shares of convertible preferred stock automatically converted into shares of the Issuer's common stock on a 1-for-1 basis upon the closing of the Issuer's initial public offering. The convertible preferred stock had no expiration date.

F2 · ownership.nature: Presidio Management Group VII, L.L.C. ("PMG VII"), the general partner of each of U.S. Venture Partners VII, L.P. ("USVP VII"), 2180 Associates Fund VII, L.P. ("Associates VII"), USVP Entrepreneur Partners VII-A, L.P. ("USVP VII-A") and USVP Entrepreneur Partners VII-B, L.P. ("USVP VII-B" and, together with USVP VII, Associates VII and USVP VII-A, the "USVP VII Funds"), has sole voting and dispositive power with respect to the shares held by the USVP VII Funds. The reporting person is a managing member of PMG VII with additional rights with respect to the shares held by the USVP VII Funds, and may be deemed to have sole voting and dispositive power with respect to such shares. Each of the foregoing persons disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest therein.

SEC source: 0001527715-20-000024 · edgar.xml · nonDerivative · entry 7

Presidio Management Group X LLC · CIK 0001602744 · 10% owner

US VENTURE PARTNERS X LP · CIK 0001440514 · 10% owner

USVP X AFFILIATES LP · CIK 0001453359 · 10% owner

FEDERMAN IRWIN · CIK 0001192391 · 10% owner

KRAUSZ STEVEN M · CIK 0001190636 · 10% owner

Lewis Richard W. · CIK 0001534399 · 10% owner

Matteucci Paul A · CIK 0001370817 · 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 Lewis

Disclosed balance after: 40,883

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.52 to $67.32, inclusive for sales on 11/18/2020. The reporting persons undertake to provide the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001527715-20-000024 · edgar.xml · nonDerivative · entry 12

Presidio Management Group X LLC · CIK 0001602744 · 10% owner

US VENTURE PARTNERS X LP · CIK 0001440514 · 10% owner

USVP X AFFILIATES LP · CIK 0001453359 · 10% owner

FEDERMAN IRWIN · CIK 0001192391 · 10% owner

KRAUSZ STEVEN M · CIK 0001190636 · 10% owner

Lewis Richard W. · CIK 0001534399 · 10% owner

Matteucci Paul A · CIK 0001370817 · 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 held by Krausz childrens trusts

Disclosed balance after: 34,576

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F5 · ownership.nature: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the PMG X Distribution.

F7 · ownership.nature: Held by affiliated trusts for the benefit of Krausz children.

SEC source: 0001527715-20-000024 · edgar.xml · nonDerivative · entry 11

Presidio Management Group X LLC · CIK 0001602744 · 10% owner

US VENTURE PARTNERS X LP · CIK 0001440514 · 10% owner

USVP X AFFILIATES LP · CIK 0001453359 · 10% owner

FEDERMAN IRWIN · CIK 0001192391 · 10% owner

KRAUSZ STEVEN M · CIK 0001190636 · 10% owner

Lewis Richard W. · CIK 0001534399 · 10% owner

Matteucci Paul A · CIK 0001370817 · 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 held by Krausz childrens trusts

Disclosed balance after: 34,576

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F5 · ownership.nature: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the PMG X Distribution.

F7 · ownership.nature: Held by affiliated trusts for the benefit of Krausz children.

SEC source: 0001527715-20-000024 · edgar.xml · nonDerivative · entry 10

Presidio Management Group X LLC · CIK 0001602744 · 10% owner

US VENTURE PARTNERS X LP · CIK 0001440514 · 10% owner

USVP X AFFILIATES LP · CIK 0001453359 · 10% owner

FEDERMAN IRWIN · CIK 0001192391 · 10% owner

KRAUSZ STEVEN M · CIK 0001190636 · 10% owner

Lewis Richard W. · CIK 0001534399 · 10% owner

Matteucci Paul A · CIK 0001370817 · 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 held by family trust controlled by Krausz

Disclosed balance after: 11,794

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F5 · ownership.nature: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the PMG X Distribution.

SEC source: 0001527715-20-000024 · edgar.xml · nonDerivative · entry 9

Presidio Management Group X LLC · CIK 0001602744 · 10% owner

US VENTURE PARTNERS X LP · CIK 0001440514 · 10% owner

USVP X AFFILIATES LP · CIK 0001453359 · 10% owner

FEDERMAN IRWIN · CIK 0001192391 · 10% owner

KRAUSZ STEVEN M · CIK 0001190636 · 10% owner

Lewis Richard W. · CIK 0001534399 · 10% owner

Matteucci Paul A · CIK 0001370817 · 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: 67,730

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F5 · ownership.nature: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the PMG X Distribution.

SEC source: 0001527715-20-000024 · edgar.xml · nonDerivative · entry 8

Presidio Management Group X LLC · CIK 0001602744 · 10% owner

US VENTURE PARTNERS X LP · CIK 0001440514 · 10% owner

USVP X AFFILIATES LP · CIK 0001453359 · 10% owner

FEDERMAN IRWIN · CIK 0001192391 · 10% owner

KRAUSZ STEVEN M · CIK 0001190636 · 10% owner

Lewis Richard W. · CIK 0001534399 · 10% owner

Matteucci Paul A · CIK 0001370817 · 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 held by family trust controlled by Matteucci

Disclosed balance after: 56,173

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F5 · ownership.nature: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the PMG X Distribution.

SEC source: 0001527715-20-000024 · edgar.xml · nonDerivative · entry 6

Presidio Management Group X LLC · CIK 0001602744 · 10% owner

US VENTURE PARTNERS X LP · CIK 0001440514 · 10% owner

USVP X AFFILIATES LP · CIK 0001453359 · 10% owner

FEDERMAN IRWIN · CIK 0001192391 · 10% owner

KRAUSZ STEVEN M · CIK 0001190636 · 10% owner

Lewis Richard W. · CIK 0001534399 · 10% owner

Matteucci Paul A · CIK 0001370817 · 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 Lewis

Disclosed balance after: 60,883

F1 · kind: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F1 · price: Represents a pro-rata in-kind distribution of the Issuer's common stock, and not a purchase or sale, without additional consideration to their respective partners, members and assignees, as applicable.

F5 · ownership.nature: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the PMG X Distribution.