NXTC

SEC source: 0001123292-19-000749 · edgar.xml · derivative · entry 7

CANAAN X L.P. · CIK 0001619859 · 10% owner

Canaan Partners X LLC · CIK 0001673228 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 743,110 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan X, collectively. Canaan X disclaims Section 16 beneficial ownership of the securities held by the Canaan Fund, except to the extent of its pecuniary interest therein, if any.

SEC source: 0001123292-19-000749 · edgar.xml · derivative · entry 6

CANAAN X L.P. · CIK 0001619859 · 10% owner

Canaan Partners X LLC · CIK 0001673228 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 445,866 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan X, collectively. Canaan X disclaims Section 16 beneficial ownership of the securities held by the Canaan Fund, except to the extent of its pecuniary interest therein, if any.

SEC source: 0001123292-19-000749 · edgar.xml · nonDerivative · entry 5

CANAAN X L.P. · CIK 0001619859 · 10% owner

Canaan Partners X LLC · CIK 0001673228 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,254,442

F2 · ownership.direct: The shares are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan X, collectively. Canaan X disclaims Section 16 beneficial ownership of the securities held by the Canaan Fund, except to the extent of its pecuniary interest therein, if any.

SEC source: 0001123292-19-000749 · edgar.xml · nonDerivative · entry 4

CANAAN X L.P. · CIK 0001619859 · 10% owner

Canaan Partners X LLC · CIK 0001673228 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,204,442

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan X, collectively. Canaan X disclaims Section 16 beneficial ownership of the securities held by the Canaan Fund, except to the extent of its pecuniary interest therein, if any.

SEC source: 0001123292-19-000749 · edgar.xml · nonDerivative · entry 3

CANAAN X L.P. · CIK 0001619859 · 10% owner

Canaan Partners X LLC · CIK 0001673228 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,918,575

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan X, collectively. Canaan X disclaims Section 16 beneficial ownership of the securities held by the Canaan Fund, except to the extent of its pecuniary interest therein, if any.

SEC source: 0001123292-19-000749 · edgar.xml · nonDerivative · entry 2

CANAAN X L.P. · CIK 0001619859 · 10% owner

Canaan Partners X LLC · CIK 0001673228 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,188,976

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan X, collectively. Canaan X disclaims Section 16 beneficial ownership of the securities held by the Canaan Fund, except to the extent of its pecuniary interest therein, if any.

SEC source: 0001123292-19-000749 · edgar.xml · nonDerivative · entry 1

CANAAN X L.P. · CIK 0001619859 · 10% owner

Canaan Partners X LLC · CIK 0001673228 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 445,866

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. Investment and voting decisions with respect to the shares held by the Canaan Fund are made by the managers of Canaan X, collectively. Canaan X disclaims Section 16 beneficial ownership of the securities held by the Canaan Fund, except to the extent of its pecuniary interest therein, if any.

SEC source: 0001123292-19-000752 · edgar.xml · derivative · entry 9

SHANNON TIMOTHY M · CIK 0001207114 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 285,867 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The reported securities are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Issuer's board of directors. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan X.

SEC source: 0001123292-19-000752 · edgar.xml · derivative · entry 8

SHANNON TIMOTHY M · CIK 0001207114 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 729,599 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The reported securities are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Issuer's board of directors. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan X.

SEC source: 0001123292-19-000752 · edgar.xml · derivative · entry 7

SHANNON TIMOTHY M · CIK 0001207114 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 743,110 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The reported securities are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Issuer's board of directors. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan X.

SEC source: 0001123292-19-000752 · edgar.xml · derivative · entry 6

SHANNON TIMOTHY M · CIK 0001207114 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 445,866 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The reported securities are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Issuer's board of directors. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan X.

SEC source: 0001123292-19-000752 · edgar.xml · nonDerivative · entry 5

SHANNON TIMOTHY M · CIK 0001207114 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,254,442

F2 · ownership.nature: The reported securities are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Issuer's board of directors. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan X.

SEC source: 0001123292-19-000752 · edgar.xml · nonDerivative · entry 4

SHANNON TIMOTHY M · CIK 0001207114 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,204,442

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The reported securities are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Issuer's board of directors. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan X.

SEC source: 0001123292-19-000752 · edgar.xml · nonDerivative · entry 3

SHANNON TIMOTHY M · CIK 0001207114 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,918,575

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The reported securities are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Issuer's board of directors. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan X.

SEC source: 0001123292-19-000752 · edgar.xml · nonDerivative · entry 2

SHANNON TIMOTHY M · CIK 0001207114 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,188,976

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The reported securities are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Issuer's board of directors. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan X.

SEC source: 0001123292-19-000752 · edgar.xml · nonDerivative · entry 1

SHANNON TIMOTHY M · CIK 0001207114 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 445,866

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The reported securities are held directly by Canaan X L.P. (the "Canaan Fund"). The sole general partner of the Canaan Fund is Canaan Partners X LLC ("Canaan X", and together with the Canaan Fund, the "Canaan Entities"), and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by the Canaan Fund. The Reporting Person, a manager and member of Canaan X, serves as the representative of the Canaan Entities on the Issuer's board of directors. The Reporting Person disclaims Section 16 beneficial ownership in the securities held by the Canaan Entities, except to the extent of his pecuniary interest therein, if any, in such securities by virtue of the limited liability company interest he owns in Canaan X.

SEC source: 0001123292-19-000750 · edgar.xml · derivative · entry 3

Xu Stella · CIK 0001728741 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Quan Venture Fund II, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 978,570 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

SEC source: 0001123292-19-000750 · edgar.xml · nonDerivative · entry 2

Xu Stella · CIK 0001728741 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Quan Venture Fund II, L.P.

Disclosed balance after: 1,103,570

F2 · ownership.nature: The general partner of Quan Venture Fund II, L.P. is Quan Venture Partners II, L.L.C. Stella Xu is a managing director of Quan Venture Partners II, L.L.C. and shares the ultimate power to vote or dispose of the shares held by Quan Venture Fund II, L.P. Dr. Xu disclaims beneficial ownership of the shares held by Quan Venture Fund II, L.P. except to the extent of her pecuniary interest therein.

SEC source: 0001123292-19-000750 · edgar.xml · nonDerivative · entry 1

Xu Stella · CIK 0001728741 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Quan Venture Fund II, L.P.

Disclosed balance after: 978,570

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: The general partner of Quan Venture Fund II, L.P. is Quan Venture Partners II, L.L.C. Stella Xu is a managing director of Quan Venture Partners II, L.L.C. and shares the ultimate power to vote or dispose of the shares held by Quan Venture Fund II, L.P. Dr. Xu disclaims beneficial ownership of the shares held by Quan Venture Fund II, L.P. except to the extent of her pecuniary interest therein.

SEC source: 0001123292-19-000751 · edgar.xml · derivative · entry 9

Khuong Chau Quang · CIK 0001609405 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VI, LP

Disclosed balance after: 0

Underlying: Common Stock · 442,438 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: OrbiMed Capital GP VI LLC ("GP VI") is the sole general partner of OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VI and as a result may be deemed to have beneficial ownership of such shares. The Reporting Person is an employee of OrbiMed Advisors. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. Each of GP VI, OrbiMed Advisors and the Reporting Person disclaims beneficial ownership of the shares held by OPI VI, except to the extent of its or his pecuniary interest therein, if any.

SEC source: 0001123292-19-000751 · edgar.xml · derivative · entry 8

Khuong Chau Quang · CIK 0001609405 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VI, LP

Disclosed balance after: 0

Underlying: Common Stock · 729,599 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: OrbiMed Capital GP VI LLC ("GP VI") is the sole general partner of OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VI and as a result may be deemed to have beneficial ownership of such shares. The Reporting Person is an employee of OrbiMed Advisors. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. Each of GP VI, OrbiMed Advisors and the Reporting Person disclaims beneficial ownership of the shares held by OPI VI, except to the extent of its or his pecuniary interest therein, if any.

SEC source: 0001123292-19-000751 · edgar.xml · derivative · entry 7

Khuong Chau Quang · CIK 0001609405 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VI, LP

Disclosed balance after: 0

Underlying: Common Stock · 743,110 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: OrbiMed Capital GP VI LLC ("GP VI") is the sole general partner of OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VI and as a result may be deemed to have beneficial ownership of such shares. The Reporting Person is an employee of OrbiMed Advisors. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. Each of GP VI, OrbiMed Advisors and the Reporting Person disclaims beneficial ownership of the shares held by OPI VI, except to the extent of its or his pecuniary interest therein, if any.

SEC source: 0001123292-19-000751 · edgar.xml · derivative · entry 6

Khuong Chau Quang · CIK 0001609405 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VI, LP

Disclosed balance after: 0

Underlying: Common Stock · 445,866 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: OrbiMed Capital GP VI LLC ("GP VI") is the sole general partner of OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VI and as a result may be deemed to have beneficial ownership of such shares. The Reporting Person is an employee of OrbiMed Advisors. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. Each of GP VI, OrbiMed Advisors and the Reporting Person disclaims beneficial ownership of the shares held by OPI VI, except to the extent of its or his pecuniary interest therein, if any.

SEC source: 0001123292-19-000751 · edgar.xml · nonDerivative · entry 5

Khuong Chau Quang · CIK 0001609405 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VI, LP

Disclosed balance after: 2,711,013

F2 · ownership.nature: OrbiMed Capital GP VI LLC ("GP VI") is the sole general partner of OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VI and as a result may be deemed to have beneficial ownership of such shares. The Reporting Person is an employee of OrbiMed Advisors. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. Each of GP VI, OrbiMed Advisors and the Reporting Person disclaims beneficial ownership of the shares held by OPI VI, except to the extent of its or his pecuniary interest therein, if any.

SEC source: 0001123292-19-000751 · edgar.xml · nonDerivative · entry 4

Khuong Chau Quang · CIK 0001609405 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VI, LP

Disclosed balance after: 2,361,013

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: OrbiMed Capital GP VI LLC ("GP VI") is the sole general partner of OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VI and as a result may be deemed to have beneficial ownership of such shares. The Reporting Person is an employee of OrbiMed Advisors. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. Each of GP VI, OrbiMed Advisors and the Reporting Person disclaims beneficial ownership of the shares held by OPI VI, except to the extent of its or his pecuniary interest therein, if any.

SEC source: 0001123292-19-000751 · edgar.xml · nonDerivative · entry 3

Khuong Chau Quang · CIK 0001609405 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VI, LP

Disclosed balance after: 1,918,575

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: OrbiMed Capital GP VI LLC ("GP VI") is the sole general partner of OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VI and as a result may be deemed to have beneficial ownership of such shares. The Reporting Person is an employee of OrbiMed Advisors. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. Each of GP VI, OrbiMed Advisors and the Reporting Person disclaims beneficial ownership of the shares held by OPI VI, except to the extent of its or his pecuniary interest therein, if any.

SEC source: 0001123292-19-000751 · edgar.xml · nonDerivative · entry 2

Khuong Chau Quang · CIK 0001609405 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VI, LP

Disclosed balance after: 1,188,976

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: OrbiMed Capital GP VI LLC ("GP VI") is the sole general partner of OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VI and as a result may be deemed to have beneficial ownership of such shares. The Reporting Person is an employee of OrbiMed Advisors. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. Each of GP VI, OrbiMed Advisors and the Reporting Person disclaims beneficial ownership of the shares held by OPI VI, except to the extent of its or his pecuniary interest therein, if any.

SEC source: 0001123292-19-000751 · edgar.xml · nonDerivative · entry 1

Khuong Chau Quang · CIK 0001609405 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VI, LP

Disclosed balance after: 445,866

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.nature: OrbiMed Capital GP VI LLC ("GP VI") is the sole general partner of OrbiMed Private Investments VI, LP ("OPI VI"). OrbiMed Advisors LLC ("OrbiMed Advisors") is the managing member of GP VI. By virtue of such relationships, GP VI and OrbiMed Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VI and as a result may be deemed to have beneficial ownership of such shares. The Reporting Person is an employee of OrbiMed Advisors. OrbiMed Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Sven H. Borho and Jonathan T. Silverstein. Each of GP VI, OrbiMed Advisors and the Reporting Person disclaims beneficial ownership of the shares held by OPI VI, except to the extent of its or his pecuniary interest therein, if any.

SEC source: 0001722024-19-000008 · wf-form4_155779135873390.xml · derivative · entry 5

Alexandria Venture Investments, LLC · CIK 0001722024 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 78,285 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: Each share of preferred stock was convertible into the Issuer's common stock at a ratio of 8.0338 shares of preferred stock to 1 share of common stock, and converted automatically upon the closing of the Issuer's initial public offering, for no additional consideration. The shares had no expiration date.

F2 · price: Not applicable

F1 · derivative.exercise_date: Each share of preferred stock was convertible into the Issuer's common stock at a ratio of 8.0338 shares of preferred stock to 1 share of common stock, and converted automatically upon the closing of the Issuer's initial public offering, for no additional consideration. The shares had no expiration date.

F2 · derivative.expiration_date: Not applicable

SEC source: 0001722024-19-000008 · wf-form4_155779135873390.xml · derivative · entry 4

Alexandria Venture Investments, LLC · CIK 0001722024 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 45,523 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: Each share of preferred stock was convertible into the Issuer's common stock at a ratio of 8.0338 shares of preferred stock to 1 share of common stock, and converted automatically upon the closing of the Issuer's initial public offering, for no additional consideration. The shares had no expiration date.

F2 · price: Not applicable

F1 · derivative.exercise_date: Each share of preferred stock was convertible into the Issuer's common stock at a ratio of 8.0338 shares of preferred stock to 1 share of common stock, and converted automatically upon the closing of the Issuer's initial public offering, for no additional consideration. The shares had no expiration date.

F2 · derivative.expiration_date: Not applicable

SEC source: 0001722024-19-000008 · wf-form4_155779135873390.xml · derivative · entry 3

Alexandria Venture Investments, LLC · CIK 0001722024 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 46,366 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: Each share of preferred stock was convertible into the Issuer's common stock at a ratio of 8.0338 shares of preferred stock to 1 share of common stock, and converted automatically upon the closing of the Issuer's initial public offering, for no additional consideration. The shares had no expiration date.

F2 · price: Not applicable

F1 · derivative.exercise_date: Each share of preferred stock was convertible into the Issuer's common stock at a ratio of 8.0338 shares of preferred stock to 1 share of common stock, and converted automatically upon the closing of the Issuer's initial public offering, for no additional consideration. The shares had no expiration date.

F2 · derivative.expiration_date: Not applicable

SEC source: 0001722024-19-000008 · wf-form4_155779135873390.xml · derivative · entry 2

Alexandria Venture Investments, LLC · CIK 0001722024 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 27,819 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: Each share of preferred stock was convertible into the Issuer's common stock at a ratio of 8.0338 shares of preferred stock to 1 share of common stock, and converted automatically upon the closing of the Issuer's initial public offering, for no additional consideration. The shares had no expiration date.

F2 · price: Not applicable

F1 · derivative.exercise_date: Each share of preferred stock was convertible into the Issuer's common stock at a ratio of 8.0338 shares of preferred stock to 1 share of common stock, and converted automatically upon the closing of the Issuer's initial public offering, for no additional consideration. The shares had no expiration date.

F2 · derivative.expiration_date: Not applicable

SEC source: 0001722024-19-000008 · wf-form4_155779135873390.xml · nonDerivative · entry 1

Alexandria Venture Investments, LLC · CIK 0001722024 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,993

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: Each share of preferred stock was convertible into the Issuer's common stock at a ratio of 8.0338 shares of preferred stock to 1 share of common stock, and converted automatically upon the closing of the Issuer's initial public offering, for no additional consideration. The shares had no expiration date.

SEC source: 0001144204-19-026681 · tv521648_4.xml · derivative · entry 9

Sofinnova Venture Partners IX, L.P. · CIK 0001612133 · 10% owner

Sofinnova Management IX, L.L.C. · CIK 0001612134 · 10% owner

HEALY JAMES · CIK 0001245624 · 10% owner

Mehra Anand · CIK 0001590102 · 10% owner

POWELL MICHAEL · CIK 0001202793 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 469,713 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Sofinnova Venture Partners IX, L.P. ("SVP IX"). Sofinnova Management IX, L.L.C. ("SM IX") is the general partner of SVP IX and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by SVP IX. Dr. James I. Healy, Michael F. Powell, Ph.D., and Dr. Anand Mehra are the managing members of SM IX and may be deemed to have shared voting, investment and dispositive power with respect to the shares held by SVP IX. Each of the reporting persons disclaims beneficial ownership of such securities, except to the extent of his, her or its proportionate pecuniary interest therein.

SEC source: 0001144204-19-026681 · tv521648_4.xml · derivative · entry 8

Sofinnova Venture Partners IX, L.P. · CIK 0001612133 · 10% owner

Sofinnova Management IX, L.L.C. · CIK 0001612134 · 10% owner

HEALY JAMES · CIK 0001245624 · 10% owner

Mehra Anand · CIK 0001590102 · 10% owner

POWELL MICHAEL · CIK 0001202793 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 908,785 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Sofinnova Venture Partners IX, L.P. ("SVP IX"). Sofinnova Management IX, L.L.C. ("SM IX") is the general partner of SVP IX and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by SVP IX. Dr. James I. Healy, Michael F. Powell, Ph.D., and Dr. Anand Mehra are the managing members of SM IX and may be deemed to have shared voting, investment and dispositive power with respect to the shares held by SVP IX. Each of the reporting persons disclaims beneficial ownership of such securities, except to the extent of his, her or its proportionate pecuniary interest therein.

SEC source: 0001144204-19-026681 · tv521648_4.xml · derivative · entry 7

Sofinnova Venture Partners IX, L.P. · CIK 0001612133 · 10% owner

Sofinnova Management IX, L.L.C. · CIK 0001612134 · 10% owner

HEALY JAMES · CIK 0001245624 · 10% owner

Mehra Anand · CIK 0001590102 · 10% owner

POWELL MICHAEL · CIK 0001202793 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 464,599 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Sofinnova Venture Partners IX, L.P. ("SVP IX"). Sofinnova Management IX, L.L.C. ("SM IX") is the general partner of SVP IX and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by SVP IX. Dr. James I. Healy, Michael F. Powell, Ph.D., and Dr. Anand Mehra are the managing members of SM IX and may be deemed to have shared voting, investment and dispositive power with respect to the shares held by SVP IX. Each of the reporting persons disclaims beneficial ownership of such securities, except to the extent of his, her or its proportionate pecuniary interest therein.

SEC source: 0001144204-19-026681 · tv521648_4.xml · derivative · entry 6

Sofinnova Venture Partners IX, L.P. · CIK 0001612133 · 10% owner

Sofinnova Management IX, L.L.C. · CIK 0001612134 · 10% owner

HEALY JAMES · CIK 0001245624 · 10% owner

Mehra Anand · CIK 0001590102 · 10% owner

POWELL MICHAEL · CIK 0001202793 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 278,759 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 reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · price: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.exercise_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F1 · derivative.expiration_date: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Sofinnova Venture Partners IX, L.P. ("SVP IX"). Sofinnova Management IX, L.L.C. ("SM IX") is the general partner of SVP IX and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by SVP IX. Dr. James I. Healy, Michael F. Powell, Ph.D., and Dr. Anand Mehra are the managing members of SM IX and may be deemed to have shared voting, investment and dispositive power with respect to the shares held by SVP IX. Each of the reporting persons disclaims beneficial ownership of such securities, except to the extent of his, her or its proportionate pecuniary interest therein.

SEC source: 0001144204-19-026681 · tv521648_4.xml · nonDerivative · entry 5

Sofinnova Venture Partners IX, L.P. · CIK 0001612133 · 10% owner

Sofinnova Management IX, L.L.C. · CIK 0001612134 · 10% owner

HEALY JAMES · CIK 0001245624 · 10% owner

Mehra Anand · CIK 0001590102 · 10% owner

POWELL MICHAEL · CIK 0001202793 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,521,856

F2 · ownership.direct: The shares are held directly by Sofinnova Venture Partners IX, L.P. ("SVP IX"). Sofinnova Management IX, L.L.C. ("SM IX") is the general partner of SVP IX and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by SVP IX. Dr. James I. Healy, Michael F. Powell, Ph.D., and Dr. Anand Mehra are the managing members of SM IX and may be deemed to have shared voting, investment and dispositive power with respect to the shares held by SVP IX. Each of the reporting persons disclaims beneficial ownership of such securities, except to the extent of his, her or its proportionate pecuniary interest therein.

SEC source: 0001144204-19-026681 · tv521648_4.xml · nonDerivative · entry 4

Sofinnova Venture Partners IX, L.P. · CIK 0001612133 · 10% owner

Sofinnova Management IX, L.L.C. · CIK 0001612134 · 10% owner

HEALY JAMES · CIK 0001245624 · 10% owner

Mehra Anand · CIK 0001590102 · 10% owner

POWELL MICHAEL · CIK 0001202793 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,121,856

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Sofinnova Venture Partners IX, L.P. ("SVP IX"). Sofinnova Management IX, L.L.C. ("SM IX") is the general partner of SVP IX and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by SVP IX. Dr. James I. Healy, Michael F. Powell, Ph.D., and Dr. Anand Mehra are the managing members of SM IX and may be deemed to have shared voting, investment and dispositive power with respect to the shares held by SVP IX. Each of the reporting persons disclaims beneficial ownership of such securities, except to the extent of his, her or its proportionate pecuniary interest therein.

SEC source: 0001144204-19-026681 · tv521648_4.xml · nonDerivative · entry 3

Sofinnova Venture Partners IX, L.P. · CIK 0001612133 · 10% owner

Sofinnova Management IX, L.L.C. · CIK 0001612134 · 10% owner

HEALY JAMES · CIK 0001245624 · 10% owner

Mehra Anand · CIK 0001590102 · 10% owner

POWELL MICHAEL · CIK 0001202793 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,652,143

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Sofinnova Venture Partners IX, L.P. ("SVP IX"). Sofinnova Management IX, L.L.C. ("SM IX") is the general partner of SVP IX and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by SVP IX. Dr. James I. Healy, Michael F. Powell, Ph.D., and Dr. Anand Mehra are the managing members of SM IX and may be deemed to have shared voting, investment and dispositive power with respect to the shares held by SVP IX. Each of the reporting persons disclaims beneficial ownership of such securities, except to the extent of his, her or its proportionate pecuniary interest therein.

SEC source: 0001144204-19-026681 · tv521648_4.xml · nonDerivative · entry 2

Sofinnova Venture Partners IX, L.P. · CIK 0001612133 · 10% owner

Sofinnova Management IX, L.L.C. · CIK 0001612134 · 10% owner

HEALY JAMES · CIK 0001245624 · 10% owner

Mehra Anand · CIK 0001590102 · 10% owner

POWELL MICHAEL · CIK 0001202793 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 743,358

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Sofinnova Venture Partners IX, L.P. ("SVP IX"). Sofinnova Management IX, L.L.C. ("SM IX") is the general partner of SVP IX and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by SVP IX. Dr. James I. Healy, Michael F. Powell, Ph.D., and Dr. Anand Mehra are the managing members of SM IX and may be deemed to have shared voting, investment and dispositive power with respect to the shares held by SVP IX. Each of the reporting persons disclaims beneficial ownership of such securities, except to the extent of his, her or its proportionate pecuniary interest therein.

SEC source: 0001144204-19-026681 · tv521648_4.xml · nonDerivative · entry 1

Sofinnova Venture Partners IX, L.P. · CIK 0001612133 · 10% owner

Sofinnova Management IX, L.L.C. · CIK 0001612134 · 10% owner

HEALY JAMES · CIK 0001245624 · 10% owner

Mehra Anand · CIK 0001590102 · 10% owner

POWELL MICHAEL · CIK 0001202793 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 278,759

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: The reported securities automatically converted into shares of Common Stock on a 1-for-8.0338 basis upon the closing of the Issuer's initial public offering and had no expiration date.

F2 · ownership.direct: The shares are held directly by Sofinnova Venture Partners IX, L.P. ("SVP IX"). Sofinnova Management IX, L.L.C. ("SM IX") is the general partner of SVP IX and may be deemed to have sole voting, investment and dispositive power with respect to the shares held by SVP IX. Dr. James I. Healy, Michael F. Powell, Ph.D., and Dr. Anand Mehra are the managing members of SM IX and may be deemed to have shared voting, investment and dispositive power with respect to the shares held by SVP IX. Each of the reporting persons disclaims beneficial ownership of such securities, except to the extent of his, her or its proportionate pecuniary interest therein.