SEER

SEC source: 0001628280-20-017381 · wf-form4_160765528377568.xml · derivative · entry 5

SINGER DAVID B · CIK 0001240366 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 265,434 shares

Expires not disclosed

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

F3 · derivative.exercise_price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · derivative.exercise_date: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · derivative.expiration_date: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As a Managing Partner of Maverick Ventures, the reporting person shares voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting person disclaims beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of his pecuniary interest therein.

SEC source: 0001628280-20-017381 · wf-form4_160765528377568.xml · derivative · entry 4

SINGER DAVID B · CIK 0001240366 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,275,928 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · derivative.exercise_date: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · derivative.expiration_date: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As a Managing Partner of Maverick Ventures, the reporting person shares voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting person disclaims beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of his pecuniary interest therein.

SEC source: 0001628280-20-017381 · wf-form4_160765528377568.xml · derivative · entry 3

SINGER DAVID B · CIK 0001240366 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,280,724 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 Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F1 · price: Each share of Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As a Managing Partner of Maverick Ventures, the reporting person shares voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting person disclaims beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of his pecuniary interest therein.

SEC source: 0001628280-20-017381 · wf-form4_160765528377568.xml · nonDerivative · entry 2

SINGER DAVID B · CIK 0001240366 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,934,954

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 Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · price: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · price: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F7 · ownership.nature: The reported shares are held of record by Maverick Advisors Fund, L.P. ("Maverick Advisors"). Maverick Ventures is the general partner of Maverick Advisors. As a Managing Partner of Maverick Ventures, the reporting person shares voting and dispositive power with respect to the shares held by Maverick Advisors. The reporting person disclaims beneficial ownership of the reported securities of the Issuer held of record by Maverick Advisors except to the extent of his pecuniary interest therein.

SEC source: 0001628280-20-017381 · wf-form4_160765528377568.xml · nonDerivative · entry 1

SINGER DAVID B · CIK 0001240366 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,390,559

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 Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · price: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · price: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As a Managing Partner of Maverick Ventures, the reporting person shares voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting person disclaims beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of his pecuniary interest therein.

SEC source: 0001628280-20-017378 · wf-form4_160765107109770.xml · derivative · entry 4

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair of the Board · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,914,809

Underlying: Class A Common Stock · 526,315 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 Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The reported shares are held of record by Dynamics Group LLC for which the reporting person serves as the sole member.

SEC source: 0001628280-20-017378 · wf-form4_160765107109770.xml · nonDerivative · entry 2

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair of the Board · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 252,915

F2 · ownership.nature: The reported shares are held of record by Dynamics Group LLC for which the reporting person serves as the sole member.

SEC source: 0001628280-20-017378 · wf-form4_160765107109770.xml · nonDerivative · entry 1

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair of the Board · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 779,230

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 Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The reported shares are held of record by Dynamics Group LLC for which the reporting person serves as the sole member.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 12

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 131,627 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.

F5 · derivative.exercise_price: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · price: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · derivative.exercise_date: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · derivative.expiration_date: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F7 · ownership.nature: The reported shares are held of record by Maverick Advisors Fund, L.P. ("Maverick Advisors"). Maverick Ventures is the general partner of Maverick Advisors. As the Managing Partners of Maverick Ventures, Messrs. Ainslie and Singer share voting and dispositive power with respect to the shares held by Maverick Advisors. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 11

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 179,192 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.

F4 · derivative.exercise_price: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · price: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · derivative.exercise_date: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · derivative.expiration_date: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F7 · ownership.nature: The reported shares are held of record by Maverick Advisors Fund, L.P. ("Maverick Advisors"). Maverick Ventures is the general partner of Maverick Advisors. As the Managing Partners of Maverick Ventures, Messrs. Ainslie and Singer share voting and dispositive power with respect to the shares held by Maverick Advisors. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 10

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 145,780 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.

F3 · derivative.exercise_price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · derivative.exercise_date: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · derivative.expiration_date: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F7 · ownership.nature: The reported shares are held of record by Maverick Advisors Fund, L.P. ("Maverick Advisors"). Maverick Ventures is the general partner of Maverick Advisors. As the Managing Partners of Maverick Ventures, Messrs. Ainslie and Singer share voting and dispositive power with respect to the shares held by Maverick Advisors. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 9

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 700,762 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · derivative.exercise_date: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · derivative.expiration_date: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F7 · ownership.nature: The reported shares are held of record by Maverick Advisors Fund, L.P. ("Maverick Advisors"). Maverick Ventures is the general partner of Maverick Advisors. As the Managing Partners of Maverick Ventures, Messrs. Ainslie and Singer share voting and dispositive power with respect to the shares held by Maverick Advisors. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 8

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 777,593 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 Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F1 · price: Each share of Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F7 · ownership.nature: The reported shares are held of record by Maverick Advisors Fund, L.P. ("Maverick Advisors"). Maverick Ventures is the general partner of Maverick Advisors. As the Managing Partners of Maverick Ventures, Messrs. Ainslie and Singer share voting and dispositive power with respect to the shares held by Maverick Advisors. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 7

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 242,204 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.

F5 · derivative.exercise_price: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · price: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · derivative.exercise_date: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · derivative.expiration_date: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As the Managing Partners of Maverick Ventures, Lee S. Ainslie III and David B. Singer, a director of the Issuer, share voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 6

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 326,269 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.

F4 · derivative.exercise_price: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · price: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · derivative.exercise_date: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · derivative.expiration_date: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As the Managing Partners of Maverick Ventures, Lee S. Ainslie III and David B. Singer, a director of the Issuer, share voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 5

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 265,434 shares

Expires not disclosed

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

F3 · derivative.exercise_price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · derivative.exercise_date: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · derivative.expiration_date: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As the Managing Partners of Maverick Ventures, Lee S. Ainslie III and David B. Singer, a director of the Issuer, share voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 4

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,275,928 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · derivative.exercise_date: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · derivative.expiration_date: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As the Managing Partners of Maverick Ventures, Lee S. Ainslie III and David B. Singer, a director of the Issuer, share voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · derivative · entry 3

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,280,724 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 Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F1 · price: Each share of Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F1 · derivative.exercise_date: Each share of Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F1 · derivative.expiration_date: Each share of Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As the Managing Partners of Maverick Ventures, Lee S. Ainslie III and David B. Singer, a director of the Issuer, share voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · nonDerivative · entry 2

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,934,954

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 Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · price: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · price: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F7 · ownership.nature: The reported shares are held of record by Maverick Advisors Fund, L.P. ("Maverick Advisors"). Maverick Ventures is the general partner of Maverick Advisors. As the Managing Partners of Maverick Ventures, Messrs. Ainslie and Singer share voting and dispositive power with respect to the shares held by Maverick Advisors. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0001628280-20-017352 · wf-form4_160763512232981.xml · nonDerivative · entry 1

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

AINSLIE LEE S III · CIK 0001286654 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,390,559

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 Series A Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F2 · price: Each share of Series B Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F4 · price: Each share of Series D Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F5 · price: Each share of Series D-1 Convertible Preferred Stock automatically converted into Class A Common Stock on a one-to-one basis immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock and had no expiration date.

F6 · ownership.nature: The reported shares are held of record by Maverick Ventures Investment Fund, L.P. ("Maverick Ventures Fund"). Maverick Capital Ventures, LLC (Maverick Ventures) is the general partner of Maverick Ventures Fund. As the Managing Partners of Maverick Ventures, Lee S. Ainslie III and David B. Singer, a director of the Issuer, share voting and dispositive power with respect to the shares held by Maverick Ventures Fund. The reporting entities and individuals disclaim beneficial ownership of the reported securities of the Issuer held of record by Maverick Ventures Fund except to the extent of any pecuniary interest therein.

SEC source: 0000899243-20-035564 · doc4a.xml · nonDerivative · entry 5

AINSLIE LEE S III · CIK 0001286654 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 22,620

F1 · ownership.nature: The reported shares are held of record by funds (the "Funds") managed by Maverick Capital, Ltd. Maverick Capital Management, LLC is the general partner of Maverick Capital Ltd. The Reporting Person is the manager of Maverick Capital Management, LLC. The Reporting Person disclaims beneficial ownership of the reported securities held of record by the Funds except to the extent of any pecuniary interest therein.

F6 · ownership.nature: The shares are held by Maverick Fund USA, Ltd.

SEC source: 0000899243-20-035564 · doc4a.xml · nonDerivative · entry 4

AINSLIE LEE S III · CIK 0001286654 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 21,310

F1 · ownership.nature: The reported shares are held of record by funds (the "Funds") managed by Maverick Capital, Ltd. Maverick Capital Management, LLC is the general partner of Maverick Capital Ltd. The Reporting Person is the manager of Maverick Capital Management, LLC. The Reporting Person disclaims beneficial ownership of the reported securities held of record by the Funds except to the extent of any pecuniary interest therein.

F5 · ownership.nature: The shares are held by Maverick Long Enhanced Fund, Ltd.

SEC source: 0000899243-20-035564 · doc4a.xml · nonDerivative · entry 3

AINSLIE LEE S III · CIK 0001286654 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 12,190

F1 · ownership.nature: The reported shares are held of record by funds (the "Funds") managed by Maverick Capital, Ltd. Maverick Capital Management, LLC is the general partner of Maverick Capital Ltd. The Reporting Person is the manager of Maverick Capital Management, LLC. The Reporting Person disclaims beneficial ownership of the reported securities held of record by the Funds except to the extent of any pecuniary interest therein.

F4 · ownership.nature: The shares are held by Maverick Long Fund, Ltd.

SEC source: 0000899243-20-035564 · doc4a.xml · nonDerivative · entry 2

AINSLIE LEE S III · CIK 0001286654 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 19,230

F1 · ownership.nature: The reported shares are held of record by funds (the "Funds") managed by Maverick Capital, Ltd. Maverick Capital Management, LLC is the general partner of Maverick Capital Ltd. The Reporting Person is the manager of Maverick Capital Management, LLC. The Reporting Person disclaims beneficial ownership of the reported securities held of record by the Funds except to the extent of any pecuniary interest therein.

F3 · ownership.nature: The shares are held by Maverick Fund, L.D.C.

SEC source: 0000899243-20-035564 · doc4a.xml · nonDerivative · entry 1

AINSLIE LEE S III · CIK 0001286654 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 18,030

F1 · ownership.nature: The reported shares are held of record by funds (the "Funds") managed by Maverick Capital, Ltd. Maverick Capital Management, LLC is the general partner of Maverick Capital Ltd. The Reporting Person is the manager of Maverick Capital Management, LLC. The Reporting Person disclaims beneficial ownership of the reported securities held of record by the Funds except to the extent of any pecuniary interest therein.

F2 · ownership.nature: The shares are held by Maverick Fund II, Ltd.

SEC source: 0001628280-20-017229 · wf-form4_160747358082200.xml · derivative · entry 4

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair of the Board · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,441,124

Underlying: Class A Common Stock · 150,000 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 Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The reported shares are held of record by Dynamics Group LLC for which the reporting person serves as the sole member.

SEC source: 0001628280-20-017229 · wf-form4_160747358082200.xml · nonDerivative · entry 1

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair of the Board · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 150,000

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 Class B Common Stock is convertible at any time into Class A Common Stock on a one-to-one basis at the reporting person's election and has no expiration date.

F2 · ownership.nature: The reported shares are held of record by Dynamics Group LLC for which the reporting person serves as the sole member.

SEC source: 0001209191-21-010520 · doc5.xml · nonDerivative · entry 1

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair of the Board · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 102,915

F1 · ownership.nature: The reported shares are held of record by Dynamics Group LLC for which the reporting person serves as the sole member.

SEC source: 0001628280-20-017431 · wf-form4_160773909064726.xml · derivative · entry 1

MCGUIRE TERRANCE · CIK 0001117003 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,691

Underlying: Class A Common Stock · 18,691 shares

Expires 2020-12-03

F1 · derivative.exercise_date: Shares subject to the option vest in 36 equal monthly installments beginning on January 3, 2021.

SEC source: 0001628280-20-017435 · wf-form4_160774011652377.xml · derivative · entry 1

Maverick Capital Ventures, LLC · CIK 0001632173 · 10% owner

Maverick Ventures Investment Fund, L.P. · CIK 0001632191 · 10% owner

Maverick Advisors Fund, L.P. · CIK 0001632167 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 37,383

Underlying: Class A Common Stock · 37,383 shares

Expires 2020-12-03

F1 · kind: The reported stock option was granted to David Singer, a director of the Issuer, and a Managing Partner of Maverick Capital Ventures, LLC (Maverick Ventures), the general partner of Maverick Ventures Investment Fund, L.P. and Maverick Advisors Fund, L.P. (the Maverick Venture Funds). Mr. Singer is deemed to hold the reported stock option for the benefit of Maverick Ventures and may exercise the stock option solely upon the direction of Maverick Ventures, which entity is entitled to the shares of Class A Common Stock issued upon exercise. Maverick Ventures, Maverick Venture Funds and Lee S. Ainslie III, a Managing Partner of Maverick Ventures, may be deemed the indirect beneficial owners of this stock option.

F2 · derivative.exercise_date: Shares subject to the option vest in 36 equal monthly installments beginning on January 3, 2021.

F1 · ownership.nature: The reported stock option was granted to David Singer, a director of the Issuer, and a Managing Partner of Maverick Capital Ventures, LLC (Maverick Ventures), the general partner of Maverick Ventures Investment Fund, L.P. and Maverick Advisors Fund, L.P. (the Maverick Venture Funds). Mr. Singer is deemed to hold the reported stock option for the benefit of Maverick Ventures and may exercise the stock option solely upon the direction of Maverick Ventures, which entity is entitled to the shares of Class A Common Stock issued upon exercise. Maverick Ventures, Maverick Venture Funds and Lee S. Ainslie III, a Managing Partner of Maverick Ventures, may be deemed the indirect beneficial owners of this stock option.

SEC source: 0001628280-20-017434 · wf-form4_160774010079844.xml · derivative · entry 1

SINGER DAVID B · CIK 0001240366 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,383

Underlying: Class A Common Stock · 37,383 shares

Expires 2020-12-03

F1 · derivative.exercise_date: Shares subject to the option vest in 36 equal monthly installments beginning on January 3, 2021.

F2 · ownership.direct: The reporting person is a Managing Partner of Maverick Capital Ventures, LLC (Maverick Ventures), the general partner of Maverick Ventures Investment Fund, L.P. and Maverick Advisors Fund, L.P. The reporting person is deemed to hold the reported stock option for the benefit of the Maverick Ventures, which entity is entitled to the shares of Class A Common Stock issued upon exercise. Maverick Ventures may be deemed the indirect beneficial owner of this stock option, and the reporting person may be deemed the indirect beneficial owner of the option through his indirect interest in Maverick Ventures. The reporting person disclaims beneficial ownership of the stock option except to the extent of his pecuniary interest therein.

SEC source: 0001628280-20-017430 · wf-form4_160773906729638.xml · derivative · entry 1

LANGER ROBERT · CIK 0001239757 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,691

Underlying: Class A Common Stock · 18,691 shares

Expires 2020-12-03

F1 · derivative.exercise_date: Shares subject to the option vest in 36 equal monthly installments beginning on January 3, 2021.

SEC source: 0001628280-20-017429 · wf-form4_160773905141176.xml · derivative · entry 1

Hallal David · CIK 0001457477 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,691

Underlying: Class A Common Stock · 18,691 shares

Expires 2020-12-03

F1 · derivative.exercise_date: Shares subject to the option vest in 36 equal monthly installments beginning on January 3, 2021.

SEC source: 0001628280-20-017428 · wf-form4_160773903250913.xml · derivative · entry 1

FRIEDMAN CATHY · CIK 0001411874 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,691

Underlying: Class A Common Stock · 18,691 shares

Expires 2020-12-03

F1 · derivative.exercise_date: Shares subject to the option vest in 36 equal monthly installments beginning on January 3, 2021.

SEC source: 0001628280-21-001448 · wf-form4_161240715862934.xml · derivative · entry 3

OSTADAN OMEAD · CIK 0001642678 · Director · President & COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 201,909

Underlying: Class A Common Stock · 201,909 shares

Expires 2030-12-03

F3 · derivative.exercise_date: One-fourth of the shares vest on December 3, 2021 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001628280-21-001448 · wf-form4_161240715862934.xml · nonDerivative · entry 1

OSTADAN OMEAD · CIK 0001642678 · Director · President & COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 336,198

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in two equal annual installments beginning on January 1, 2022.

SEC source: 0001628280-21-001447 · wf-form4_161240713251524.xml · derivative · entry 3

Horn David R. · CIK 0001834217 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,100

Underlying: Class A Common Stock · 135,100 shares

Expires 2030-12-03

F3 · derivative.exercise_date: One-fourth of the shares vest on December 3, 2021 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001628280-21-001447 · wf-form4_161240713251524.xml · nonDerivative · entry 1

Horn David R. · CIK 0001834217 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,841

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in two equal annual installments beginning on January 1, 2022.

SEC source: 0001628280-21-001446 · wf-form4_161240711241180.xml · derivative · entry 12

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair of the Board · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 584,265

Underlying: Class A Common Stock · 584,265 shares

Expires 2030-12-03

F6 · derivative.exercise_date: One-fourth of the shares vest on December 3, 2021 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001628280-21-001446 · wf-form4_161240711241180.xml · nonDerivative · entry 1

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair of the Board · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 610,856

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in two equal annual installments beginning on January 1, 2022.