ELVN

SEC source: 0000899243-20-008490 · doc4.xml · derivative · entry 3

Chin Mark · CIK 0001734389 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Arix Bioscience plc

Disclosed balance after: 0

Underlying: Common Stock · 1,367,058 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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: These shares are owned directly by Arix Bioscience Holdings Limited, which is a wholly owned subsidiary of Arix Bioscience Plc. Arix Bioscience Plc is an indirect beneficial owner of the reported securities and disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

F3 · ownership.nature: The reporting person is a member of the Investment Committee of Arix and shares voting and dispositive power over the shares held by Arix. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or any other purpose.

SEC source: 0000899243-20-008490 · doc4.xml · nonDerivative · entry 2

Chin Mark · CIK 0001734389 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Arix Bioscience plc

Disclosed balance after: 1,554,558

F2 · ownership.nature: These shares are owned directly by Arix Bioscience Holdings Limited, which is a wholly owned subsidiary of Arix Bioscience Plc. Arix Bioscience Plc is an indirect beneficial owner of the reported securities and disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000899243-20-008490 · doc4.xml · nonDerivative · entry 1

Chin Mark · CIK 0001734389 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Arix Bioscience plc

Disclosed balance after: 1,367,058

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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: These shares are owned directly by Arix Bioscience Holdings Limited, which is a wholly owned subsidiary of Arix Bioscience Plc. Arix Bioscience Plc is an indirect beneficial owner of the reported securities and disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

F3 · ownership.nature: The reporting person is a member of the Investment Committee of Arix and shares voting and dispositive power over the shares held by Arix. The reporting person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-019342 · doc4.xml · derivative · entry 1

Nayeem Sara M. · CIK 0001709110 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,457

Underlying: Common Stock · 15,457 shares

Expires 2030-03-15

F1 · derivative.exercise_date: The option vests in three equal installments on March 16, 2021, 2022 and 2023.

SEC source: 0000899243-20-008474 · doc4.xml · derivative · entry 3

Arix Bioscience plc · CIK 0001700449 · 10% owner

Arix Bioscience Holdings Ltd · CIK 0001756884 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Arix Bioscience plc

Disclosed balance after: 0

Underlying: Common Stock · 1,367,058 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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: These shares are owned directly by Arix Bioscience Holdings Limited, which is a wholly owned subsidiary of Arix Bioscience Plc. Arix Bioscience Plc is an indirect beneficial owner of the reported securities and disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000899243-20-008474 · doc4.xml · nonDerivative · entry 2

Arix Bioscience plc · CIK 0001700449 · 10% owner

Arix Bioscience Holdings Ltd · CIK 0001756884 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Arix Bioscience plc

Disclosed balance after: 1,554,558

F2 · ownership.nature: These shares are owned directly by Arix Bioscience Holdings Limited, which is a wholly owned subsidiary of Arix Bioscience Plc. Arix Bioscience Plc is an indirect beneficial owner of the reported securities and disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000899243-20-008474 · doc4.xml · nonDerivative · entry 1

Arix Bioscience plc · CIK 0001700449 · 10% owner

Arix Bioscience Holdings Ltd · CIK 0001756884 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Arix Bioscience plc

Disclosed balance after: 1,367,058

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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: These shares are owned directly by Arix Bioscience Holdings Limited, which is a wholly owned subsidiary of Arix Bioscience Plc. Arix Bioscience Plc is an indirect beneficial owner of the reported securities and disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000899243-20-008495 · doc4.xml · derivative · entry 4

Bonita David P · CIK 0001572451 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,457

Underlying: Common Stock · 15,457 shares

Expires 2030-03-15

F4 · derivative.exercise_date: The option vests in three equal installments on March 16, 2021, 2022 and 2023.

F5 · balance_after: Pursuant to an agreement with Advisors and GP VII, the Reporting Person is obligated to transfer these securities, or the economic benefit thereof, to Advisors and GP VII, which will in turn ensure that such securities or economic benefits are provided to OPI VII.

SEC source: 0000899243-20-008495 · doc4.xml · derivative · entry 3

Bonita David P · CIK 0001572451 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VII, LP

Disclosed balance after: 0

Underlying: Common Stock · 1,594,902 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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The securities are held by OrbiMed Private Investments VII, LP, or OPI VII. OrbiMed Capital GP VII LLC, or GP VII, is general partner of OPI VII, and OrbiMed Advisors LLC, or Advisors, is the managing member of GP VII. The Reporting Person is a member of Advisors. By virtue of such relationships, GP VII and Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VII. Both GP VII and Advisors may be deemed to directly or indirectly, including by reason of their mutual affiliation, to be the beneficial owners of the shares held by OPI VII. Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Jonathan T. Silverstein, and Sven H. Borho, each of whom disclaims beneficial ownership of the shares held by OPI VII.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-20-008495 · doc4.xml · nonDerivative · entry 2

Bonita David P · CIK 0001572451 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By OrbiMed Private Investments VII, LP

Disclosed balance after: 2,532,402

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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The securities are held by OrbiMed Private Investments VII, LP, or OPI VII. OrbiMed Capital GP VII LLC, or GP VII, is general partner of OPI VII, and OrbiMed Advisors LLC, or Advisors, is the managing member of GP VII. The Reporting Person is a member of Advisors. By virtue of such relationships, GP VII and Advisors may be deemed to have voting and investment power with respect to the shares held by OPI VII. Both GP VII and Advisors may be deemed to directly or indirectly, including by reason of their mutual affiliation, to be the beneficial owners of the shares held by OPI VII. Advisors exercises investment and voting power through a management committee comprised of Carl L. Gordon, Jonathan T. Silverstein, and Sven H. Borho, each of whom disclaims beneficial ownership of the shares held by OPI VII.

F3 · ownership.nature: The Reporting Person disclaims beneficial ownership of the securities reported herein for purposes of Rule 16a-1(a) under the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its pecuniary interest therein, if any. This report shall not be deemed an admission that any such entity or person is a beneficial owner of such securities for purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0001209191-20-019343 · doc4.xml · derivative · entry 1

MOTT DAVID M · CIK 0001219871 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,457

Underlying: Common Stock · 15,457 shares

Expires 2030-03-15

F1 · derivative.exercise_date: The option vests in three equal installments on March 16, 2021, 2022 and 2023.

SEC source: 0000899243-20-008496 · doc4.xml · derivative · entry 6

Dalton Barbara · CIK 0001591318 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,457

Underlying: Common Stock · 15,457 shares

Expires 2030-03-15

F5 · derivative.exercise_date: The option vests in three equal installments on March 16, 2021, 2022 and 2023.

SEC source: 0000899243-20-008496 · doc4.xml · derivative · entry 5

Dalton Barbara · CIK 0001591318 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Pfizer Inc.

Disclosed balance after: 0

Underlying: Common Stock · 300,752 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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The reporting person is Vice President of Venture Capital at Pfizer, Inc., an affiliate of Pfizer Ventures (US) LLC. The reporting person disclaims beneficial ownership of the shares owned by the entities affiliated with Pfizer Ventures (US) LLC except to the extent of her pecuniary interest therein.

SEC source: 0000899243-20-008496 · doc4.xml · derivative · entry 4

Dalton Barbara · CIK 0001591318 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Pfizer Inc.

Disclosed balance after: 0

Underlying: Common Stock · 868,467 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: On March 16, 2020, the Issuer's Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.exercise_date: On March 16, 2020, the Issuer's Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: On March 16, 2020, the Issuer's Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The reporting person is Vice President of Venture Capital at Pfizer, Inc., an affiliate of Pfizer Ventures (US) LLC. The reporting person disclaims beneficial ownership of the shares owned by the entities affiliated with Pfizer Ventures (US) LLC except to the extent of her pecuniary interest therein.

SEC source: 0000899243-20-008496 · doc4.xml · derivative · entry 3

Dalton Barbara · CIK 0001591318 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Pfizer Inc.

Disclosed balance after: 0

Underlying: Common Stock · 76,003 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: On March 16, 2020, the Issuer's Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: On March 16, 2020, the Issuer's Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: On March 16, 2020, the Issuer's Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The reporting person is Vice President of Venture Capital at Pfizer, Inc., an affiliate of Pfizer Ventures (US) LLC. The reporting person disclaims beneficial ownership of the shares owned by the entities affiliated with Pfizer Ventures (US) LLC except to the extent of her pecuniary interest therein.

SEC source: 0000899243-20-008496 · doc4.xml · nonDerivative · entry 2

Dalton Barbara · CIK 0001591318 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Pfizer Inc.

Disclosed balance after: 1,557,722

F4 · ownership.nature: The reporting person is Vice President of Venture Capital at Pfizer, Inc., an affiliate of Pfizer Ventures (US) LLC. The reporting person disclaims beneficial ownership of the shares owned by the entities affiliated with Pfizer Ventures (US) LLC except to the extent of her pecuniary interest therein.

SEC source: 0000899243-20-008496 · doc4.xml · nonDerivative · entry 1

Dalton Barbara · CIK 0001591318 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Pfizer Inc.

Disclosed balance after: 1,245,222

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: On March 16, 2020, the Issuer's Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The reporting person is Vice President of Venture Capital at Pfizer, Inc., an affiliate of Pfizer Ventures (US) LLC. The reporting person disclaims beneficial ownership of the shares owned by the entities affiliated with Pfizer Ventures (US) LLC except to the extent of her pecuniary interest therein.

SEC source: 0000899243-20-008492 · doc4.xml · derivative · entry 6

Agger Mette Kirstine · CIK 0001722234 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,457

Underlying: Common Stock · 15,457 shares

Expires 2030-03-15

F5 · derivative.exercise_date: The option vests in three equal installments on March 16, 2021, 2022 and 2023.

SEC source: 0000899243-20-008492 · doc4.xml · derivative · entry 5

Agger Mette Kirstine · CIK 0001722234 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lundbeckfond Invest A/S

Disclosed balance after: 0

Underlying: Common Stock · 300,752 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: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The reporting person is a managing partner at Lundbeckfonden Ventures, an affiliate of Lundbeckfond Invest A/S. The reporting person disclaims beneficial ownership of such shares except to the extent of her pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or any other purpose.

SEC source: 0000899243-20-008492 · doc4.xml · derivative · entry 4

Agger Mette Kirstine · CIK 0001722234 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lundbeckfond Invest A/S

Disclosed balance after: 0

Underlying: Common Stock · 868,467 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: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.exercise_date: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The reporting person is a managing partner at Lundbeckfonden Ventures, an affiliate of Lundbeckfond Invest A/S. The reporting person disclaims beneficial ownership of such shares except to the extent of her pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or any other purpose.

SEC source: 0000899243-20-008492 · doc4.xml · derivative · entry 3

Agger Mette Kirstine · CIK 0001722234 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lundbeckfond Invest A/S

Disclosed balance after: 0

Underlying: Common Stock · 76,003 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: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The reporting person is a managing partner at Lundbeckfonden Ventures, an affiliate of Lundbeckfond Invest A/S. The reporting person disclaims beneficial ownership of such shares except to the extent of her pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or any other purpose.

SEC source: 0000899243-20-008492 · doc4.xml · nonDerivative · entry 2

Agger Mette Kirstine · CIK 0001722234 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lundbeckfond Invest A/S

Disclosed balance after: 1,432,722

F4 · ownership.nature: The reporting person is a managing partner at Lundbeckfonden Ventures, an affiliate of Lundbeckfond Invest A/S. The reporting person disclaims beneficial ownership of such shares except to the extent of her pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or any other purpose.

SEC source: 0000899243-20-008492 · doc4.xml · nonDerivative · entry 1

Agger Mette Kirstine · CIK 0001722234 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lundbeckfond Invest A/S

Disclosed balance after: 1,245,222

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: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.nature: The reporting person is a managing partner at Lundbeckfonden Ventures, an affiliate of Lundbeckfond Invest A/S. The reporting person disclaims beneficial ownership of such shares except to the extent of her pecuniary interest, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of all of the reported shares for purposes of Section 16 or any other purpose.

SEC source: 0001209191-20-019337 · doc4.xml · derivative · entry 5

New Enterprise Associates 14, L.P. · CIK 0001544328 · 10% owner

Sonsini Peter W. · CIK 0001559807 · 10% owner

NEA Partners 14, L.P. · CIK 0001551531 · 10% owner

NEA 14 GP, LTD · CIK 0001551532 · 10% owner

BASKETT FOREST · CIK 0001277631 · 10% owner

Florence Anthony A. Jr. · CIK 0001559827 · 10% owner

KERINS PATRICK J · CIK 0001235112 · 10% owner

SANDELL SCOTT D · CIK 0001237289 · 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 · 893,145 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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.direct: The securities are directly held by New Enterprise Associates 14, L.P. ("NEA 14") and are indirectly held by NEA Partners 14, L.P. ("NEA Partners 14"), the sole general partner of NEA 14, NEA 14 GP, LTD ("NEA 14 LTD"), the sole general partner of NEA Partners 14 and each of the individual directors of NEA 14 LTD (NEA Partners 14, NEA 14 LTD and the individual directors of NEA 14 LTD (collectively, the "Directors") together, the "Indirect Reporting Persons"). The Directors of NEA 14 LTD are Forest Baskett, Anthony A. Florence, Jr., Patrick J. Kerins, Scott D. Sandell and Peter Sonsini. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 14 securities in which the Indirect Reporting Persons have no pecuniary interest.

SEC source: 0001209191-20-019337 · doc4.xml · derivative · entry 4

New Enterprise Associates 14, L.P. · CIK 0001544328 · 10% owner

Sonsini Peter W. · CIK 0001559807 · 10% owner

NEA Partners 14, L.P. · CIK 0001551531 · 10% owner

NEA 14 GP, LTD · CIK 0001551532 · 10% owner

BASKETT FOREST · CIK 0001277631 · 10% owner

Florence Anthony A. Jr. · CIK 0001559827 · 10% owner

KERINS PATRICK J · CIK 0001235112 · 10% owner

SANDELL SCOTT D · CIK 0001237289 · 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 · 2,432,677 shares

Expires not disclosed

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

F2 · derivative.exercise_price: On March 16, 2020, the Issuer's Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of further consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.exercise_date: On March 16, 2020, the Issuer's Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of further consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: On March 16, 2020, the Issuer's Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of further consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.direct: The securities are directly held by New Enterprise Associates 14, L.P. ("NEA 14") and are indirectly held by NEA Partners 14, L.P. ("NEA Partners 14"), the sole general partner of NEA 14, NEA 14 GP, LTD ("NEA 14 LTD"), the sole general partner of NEA Partners 14 and each of the individual directors of NEA 14 LTD (NEA Partners 14, NEA 14 LTD and the individual directors of NEA 14 LTD (collectively, the "Directors") together, the "Indirect Reporting Persons"). The Directors of NEA 14 LTD are Forest Baskett, Anthony A. Florence, Jr., Patrick J. Kerins, Scott D. Sandell and Peter Sonsini. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 14 securities in which the Indirect Reporting Persons have no pecuniary interest.

SEC source: 0001209191-20-019337 · doc4.xml · derivative · entry 3

New Enterprise Associates 14, L.P. · CIK 0001544328 · 10% owner

Sonsini Peter W. · CIK 0001559807 · 10% owner

NEA Partners 14, L.P. · CIK 0001551531 · 10% owner

NEA 14 GP, LTD · CIK 0001551532 · 10% owner

BASKETT FOREST · CIK 0001277631 · 10% owner

Florence Anthony A. Jr. · CIK 0001559827 · 10% owner

KERINS PATRICK J · CIK 0001235112 · 10% owner

SANDELL SCOTT D · CIK 0001237289 · 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 · 213,173 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: On March 16, 2020, the Issuer's Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of further consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: On March 16, 2020, the Issuer's Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of further consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: On March 16, 2020, the Issuer's Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of further consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.direct: The securities are directly held by New Enterprise Associates 14, L.P. ("NEA 14") and are indirectly held by NEA Partners 14, L.P. ("NEA Partners 14"), the sole general partner of NEA 14, NEA 14 GP, LTD ("NEA 14 LTD"), the sole general partner of NEA Partners 14 and each of the individual directors of NEA 14 LTD (NEA Partners 14, NEA 14 LTD and the individual directors of NEA 14 LTD (collectively, the "Directors") together, the "Indirect Reporting Persons"). The Directors of NEA 14 LTD are Forest Baskett, Anthony A. Florence, Jr., Patrick J. Kerins, Scott D. Sandell and Peter Sonsini. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 14 securities in which the Indirect Reporting Persons have no pecuniary interest.

SEC source: 0001209191-20-019337 · doc4.xml · nonDerivative · entry 2

New Enterprise Associates 14, L.P. · CIK 0001544328 · 10% owner

Sonsini Peter W. · CIK 0001559807 · 10% owner

NEA Partners 14, L.P. · CIK 0001551531 · 10% owner

NEA 14 GP, LTD · CIK 0001551532 · 10% owner

BASKETT FOREST · CIK 0001277631 · 10% owner

Florence Anthony A. Jr. · CIK 0001559827 · 10% owner

KERINS PATRICK J · CIK 0001235112 · 10% owner

SANDELL SCOTT D · CIK 0001237289 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,013,995

F4 · ownership.direct: The securities are directly held by New Enterprise Associates 14, L.P. ("NEA 14") and are indirectly held by NEA Partners 14, L.P. ("NEA Partners 14"), the sole general partner of NEA 14, NEA 14 GP, LTD ("NEA 14 LTD"), the sole general partner of NEA Partners 14 and each of the individual directors of NEA 14 LTD (NEA Partners 14, NEA 14 LTD and the individual directors of NEA 14 LTD (collectively, the "Directors") together, the "Indirect Reporting Persons"). The Directors of NEA 14 LTD are Forest Baskett, Anthony A. Florence, Jr., Patrick J. Kerins, Scott D. Sandell and Peter Sonsini. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 14 securities in which the Indirect Reporting Persons have no pecuniary interest.

SEC source: 0001209191-20-019337 · doc4.xml · nonDerivative · entry 1

New Enterprise Associates 14, L.P. · CIK 0001544328 · 10% owner

Sonsini Peter W. · CIK 0001559807 · 10% owner

NEA Partners 14, L.P. · CIK 0001551531 · 10% owner

NEA 14 GP, LTD · CIK 0001551532 · 10% owner

BASKETT FOREST · CIK 0001277631 · 10% owner

Florence Anthony A. Jr. · CIK 0001559827 · 10% owner

KERINS PATRICK J · CIK 0001235112 · 10% owner

SANDELL SCOTT D · CIK 0001237289 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,538,995

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: On March 16, 2020, the Issuer's Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of further consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · price: On March 16, 2020, the Issuer's Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of further consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · price: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · ownership.direct: The securities are directly held by New Enterprise Associates 14, L.P. ("NEA 14") and are indirectly held by NEA Partners 14, L.P. ("NEA Partners 14"), the sole general partner of NEA 14, NEA 14 GP, LTD ("NEA 14 LTD"), the sole general partner of NEA Partners 14 and each of the individual directors of NEA 14 LTD (NEA Partners 14, NEA 14 LTD and the individual directors of NEA 14 LTD (collectively, the "Directors") together, the "Indirect Reporting Persons"). The Directors of NEA 14 LTD are Forest Baskett, Anthony A. Florence, Jr., Patrick J. Kerins, Scott D. Sandell and Peter Sonsini. The Indirect Reporting Persons disclaim beneficial ownership within the meaning of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise of such portion of the NEA 14 securities in which the Indirect Reporting Persons have no pecuniary interest.

SEC source: 0000899243-20-008487 · doc4.xml · derivative · entry 1

McArthur James G · CIK 0001763307 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,457

Underlying: Common Stock · 15,457 shares

Expires 2030-03-15

F1 · derivative.exercise_date: The option vests in three equal installments on March 16, 2021, 2022 and 2023.

SEC source: 0000899243-20-008480 · doc4.xml · derivative · entry 9

BAY CITY CAPITAL LLC · CIK 0001288452 · 10% owner

Bay City Capital Management V LLC · CIK 0001461543 · 10% owner

Bay City Capital Fund V, L.P. · CIK 0001401826 · 10% owner

Bay City Capital Fund V Co-Investment Fund, L.P. · CIK 0001409813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,457

Underlying: Common Stock · 15,457 shares

Expires 2030-03-15

F7 · derivative.exercise_date: The option vests in three equal installments on March 16, 2021, 2022 and 2023.

F8 · derivative.underlying_shares: The securities are held directly by Bay City Capital LLC ("BCC LLC") and represent stock options granted to Carl Goldfischer and transferred to BCC LLC pursuant to an agreement between Dr. Goldfischer and BCC LLC.

SEC source: 0000899243-20-008480 · doc4.xml · derivative · entry 8

BAY CITY CAPITAL LLC · CIK 0001288452 · 10% owner

Bay City Capital Management V LLC · CIK 0001461543 · 10% owner

Bay City Capital Fund V, L.P. · CIK 0001401826 · 10% owner

Bay City Capital Fund V Co-Investment Fund, L.P. · CIK 0001409813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Bay City Capital LLC

Disclosed balance after: 0

Underlying: Common Stock · 2,555 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.

F6 · derivative.exercise_price: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · price: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · derivative.exercise_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · derivative.expiration_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.nature: Bay City Capital LLC, a Delaware limited liability company ("BCC"), Bay City Capital Management V LLC, a Delaware limited liability company ("Management V"), Bay City Capital Fund V, L.P., a Delaware limited partnership ("Fund V"), and Bay City Capital Fund V Co-Investment Fund, L.P., a Delaware limited partnership ("Co-Investment V") are deemed to be a "group" for the purposes of Section 13(d) under the Securities Exchange Act of 1934. Management V is the general partner of Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. BCC, the manager of Management V, is also an advisor to Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. Carl Goldfischer, a Managing Director of BCC, is a member of the Issuer's Board of Directors.

F3 · ownership.nature: Represent securities held by Co-Investment V, including indirect interests of BCC and Management V. BCC and Management V each disclaims beneficial ownership with respect to these securities, except to the extent of their pecuniary interest therein.

SEC source: 0000899243-20-008480 · doc4.xml · derivative · entry 7

BAY CITY CAPITAL LLC · CIK 0001288452 · 10% owner

Bay City Capital Management V LLC · CIK 0001461543 · 10% owner

Bay City Capital Fund V, L.P. · CIK 0001401826 · 10% owner

Bay City Capital Fund V Co-Investment Fund, L.P. · CIK 0001409813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Bay City Capital LLC

Disclosed balance after: 0

Underlying: Common Stock · 134,148 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.

F6 · derivative.exercise_price: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · price: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · derivative.exercise_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · derivative.expiration_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.nature: Bay City Capital LLC, a Delaware limited liability company ("BCC"), Bay City Capital Management V LLC, a Delaware limited liability company ("Management V"), Bay City Capital Fund V, L.P., a Delaware limited partnership ("Fund V"), and Bay City Capital Fund V Co-Investment Fund, L.P., a Delaware limited partnership ("Co-Investment V") are deemed to be a "group" for the purposes of Section 13(d) under the Securities Exchange Act of 1934. Management V is the general partner of Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. BCC, the manager of Management V, is also an advisor to Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. Carl Goldfischer, a Managing Director of BCC, is a member of the Issuer's Board of Directors.

F2 · ownership.nature: Represent securities held by Fund V, including indirect interests of BCC and Management V. BCC and Management V each disclaims beneficial ownership with respect to these securities, except to the extent of their pecuniary interest therein.

SEC source: 0000899243-20-008480 · doc4.xml · derivative · entry 6

BAY CITY CAPITAL LLC · CIK 0001288452 · 10% owner

Bay City Capital Management V LLC · CIK 0001461543 · 10% owner

Bay City Capital Fund V, L.P. · CIK 0001401826 · 10% owner

Bay City Capital Fund V Co-Investment Fund, L.P. · CIK 0001409813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Bay City Capital LLC

Disclosed balance after: 0

Underlying: Common Stock · 9,741 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: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · price: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.exercise_date: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.expiration_date: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.nature: Bay City Capital LLC, a Delaware limited liability company ("BCC"), Bay City Capital Management V LLC, a Delaware limited liability company ("Management V"), Bay City Capital Fund V, L.P., a Delaware limited partnership ("Fund V"), and Bay City Capital Fund V Co-Investment Fund, L.P., a Delaware limited partnership ("Co-Investment V") are deemed to be a "group" for the purposes of Section 13(d) under the Securities Exchange Act of 1934. Management V is the general partner of Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. BCC, the manager of Management V, is also an advisor to Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. Carl Goldfischer, a Managing Director of BCC, is a member of the Issuer's Board of Directors.

F3 · ownership.nature: Represent securities held by Co-Investment V, including indirect interests of BCC and Management V. BCC and Management V each disclaims beneficial ownership with respect to these securities, except to the extent of their pecuniary interest therein.

SEC source: 0000899243-20-008480 · doc4.xml · derivative · entry 5

BAY CITY CAPITAL LLC · CIK 0001288452 · 10% owner

Bay City Capital Management V LLC · CIK 0001461543 · 10% owner

Bay City Capital Fund V, L.P. · CIK 0001401826 · 10% owner

Bay City Capital Fund V Co-Investment Fund, L.P. · CIK 0001409813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Bay City Capital LLC

Disclosed balance after: 0

Underlying: Common Stock · 511,335 shares

Expires not disclosed

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

F5 · derivative.exercise_price: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · price: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.exercise_date: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.expiration_date: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.nature: Bay City Capital LLC, a Delaware limited liability company ("BCC"), Bay City Capital Management V LLC, a Delaware limited liability company ("Management V"), Bay City Capital Fund V, L.P., a Delaware limited partnership ("Fund V"), and Bay City Capital Fund V Co-Investment Fund, L.P., a Delaware limited partnership ("Co-Investment V") are deemed to be a "group" for the purposes of Section 13(d) under the Securities Exchange Act of 1934. Management V is the general partner of Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. BCC, the manager of Management V, is also an advisor to Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. Carl Goldfischer, a Managing Director of BCC, is a member of the Issuer's Board of Directors.

F2 · ownership.nature: Represent securities held by Fund V, including indirect interests of BCC and Management V. BCC and Management V each disclaims beneficial ownership with respect to these securities, except to the extent of their pecuniary interest therein.

SEC source: 0000899243-20-008480 · doc4.xml · derivative · entry 4

BAY CITY CAPITAL LLC · CIK 0001288452 · 10% owner

Bay City Capital Management V LLC · CIK 0001461543 · 10% owner

Bay City Capital Fund V, L.P. · CIK 0001401826 · 10% owner

Bay City Capital Fund V Co-Investment Fund, L.P. · CIK 0001409813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · (By entities affiliated with Bay City Capital LLC

Disclosed balance after: 0

Underlying: Common Stock · 852 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: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · price: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.exercise_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.expiration_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.nature: Bay City Capital LLC, a Delaware limited liability company ("BCC"), Bay City Capital Management V LLC, a Delaware limited liability company ("Management V"), Bay City Capital Fund V, L.P., a Delaware limited partnership ("Fund V"), and Bay City Capital Fund V Co-Investment Fund, L.P., a Delaware limited partnership ("Co-Investment V") are deemed to be a "group" for the purposes of Section 13(d) under the Securities Exchange Act of 1934. Management V is the general partner of Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. BCC, the manager of Management V, is also an advisor to Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. Carl Goldfischer, a Managing Director of BCC, is a member of the Issuer's Board of Directors.

F3 · ownership.nature: Represent securities held by Co-Investment V, including indirect interests of BCC and Management V. BCC and Management V each disclaims beneficial ownership with respect to these securities, except to the extent of their pecuniary interest therein.

SEC source: 0000899243-20-008480 · doc4.xml · derivative · entry 3

BAY CITY CAPITAL LLC · CIK 0001288452 · 10% owner

Bay City Capital Management V LLC · CIK 0001461543 · 10% owner

Bay City Capital Fund V, L.P. · CIK 0001401826 · 10% owner

Bay City Capital Fund V Co-Investment Fund, L.P. · CIK 0001409813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Bay City Capital LLC

Disclosed balance after: 0

Underlying: Common Stock · 44,749 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: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · price: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.exercise_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.expiration_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.nature: Bay City Capital LLC, a Delaware limited liability company ("BCC"), Bay City Capital Management V LLC, a Delaware limited liability company ("Management V"), Bay City Capital Fund V, L.P., a Delaware limited partnership ("Fund V"), and Bay City Capital Fund V Co-Investment Fund, L.P., a Delaware limited partnership ("Co-Investment V") are deemed to be a "group" for the purposes of Section 13(d) under the Securities Exchange Act of 1934. Management V is the general partner of Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. BCC, the manager of Management V, is also an advisor to Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. Carl Goldfischer, a Managing Director of BCC, is a member of the Issuer's Board of Directors.

F2 · ownership.nature: Represent securities held by Fund V, including indirect interests of BCC and Management V. BCC and Management V each disclaims beneficial ownership with respect to these securities, except to the extent of their pecuniary interest therein.

SEC source: 0000899243-20-008480 · doc4.xml · nonDerivative · entry 2

BAY CITY CAPITAL LLC · CIK 0001288452 · 10% owner

Bay City Capital Management V LLC · CIK 0001461543 · 10% owner

Bay City Capital Fund V, L.P. · CIK 0001401826 · 10% owner

Bay City Capital Fund V Co-Investment Fund, L.P. · CIK 0001409813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Bay City Capital LLC

Disclosed balance after: 703,380

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 · price: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.nature: Bay City Capital LLC, a Delaware limited liability company ("BCC"), Bay City Capital Management V LLC, a Delaware limited liability company ("Management V"), Bay City Capital Fund V, L.P., a Delaware limited partnership ("Fund V"), and Bay City Capital Fund V Co-Investment Fund, L.P., a Delaware limited partnership ("Co-Investment V") are deemed to be a "group" for the purposes of Section 13(d) under the Securities Exchange Act of 1934. Management V is the general partner of Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. BCC, the manager of Management V, is also an advisor to Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. Carl Goldfischer, a Managing Director of BCC, is a member of the Issuer's Board of Directors.

F3 · ownership.nature: Represent securities held by Co-Investment V, including indirect interests of BCC and Management V. BCC and Management V each disclaims beneficial ownership with respect to these securities, except to the extent of their pecuniary interest therein.

SEC source: 0000899243-20-008480 · doc4.xml · nonDerivative · entry 1

BAY CITY CAPITAL LLC · CIK 0001288452 · 10% owner

Bay City Capital Management V LLC · CIK 0001461543 · 10% owner

Bay City Capital Fund V, L.P. · CIK 0001401826 · 10% owner

Bay City Capital Fund V Co-Investment Fund, L.P. · CIK 0001409813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By entities affiliated with Bay City Capital LLC

Disclosed balance after: 690,232

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 · price: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.nature: Bay City Capital LLC, a Delaware limited liability company ("BCC"), Bay City Capital Management V LLC, a Delaware limited liability company ("Management V"), Bay City Capital Fund V, L.P., a Delaware limited partnership ("Fund V"), and Bay City Capital Fund V Co-Investment Fund, L.P., a Delaware limited partnership ("Co-Investment V") are deemed to be a "group" for the purposes of Section 13(d) under the Securities Exchange Act of 1934. Management V is the general partner of Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. BCC, the manager of Management V, is also an advisor to Fund V and Co-Investment V and has sole voting and dispositive power with respect to the securities held by Fund V and Co-Investment V. Carl Goldfischer, a Managing Director of BCC, is a member of the Issuer's Board of Directors.

F2 · ownership.nature: Represent securities held by Fund V, including indirect interests of BCC and Management V. BCC and Management V each disclaims beneficial ownership with respect to these securities, except to the extent of their pecuniary interest therein.

SEC source: 0000899243-20-008479 · doc4.xml · derivative · entry 5

Lundbeckfond Invest A/S · CIK 0001591046 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 300,752 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: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0000899243-20-008479 · doc4.xml · derivative · entry 4

Lundbeckfond Invest A/S · CIK 0001591046 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 868,467 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: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.exercise_date: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: On March 16, 2020, Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0000899243-20-008479 · doc4.xml · derivative · entry 3

Lundbeckfond Invest A/S · CIK 0001591046 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 76,003 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: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0000899243-20-008479 · doc4.xml · nonDerivative · entry 2

Lundbeckfond Invest A/S · CIK 0001591046 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,432,722

SEC source: 0000899243-20-008479 · doc4.xml · nonDerivative · entry 1

Lundbeckfond Invest A/S · CIK 0001591046 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,245,222

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: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0000899243-20-008475 · doc4.xml · derivative · entry 3

Rock Springs Capital Management LP · CIK 0001595725 · 10% owner

Rock Springs Capital Master Fund LP · CIK 0001735393 · 10% owner

Rock Springs Capital LLC · CIK 0001735397 · 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: Common Stock · 273,411 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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The securities reported herein are held of record by Rock Springs Capital Master Fund LP ("Master Fund"). Rock Springs Capital LLC ("RSC") is the general partner of Rock Springs Capital Management LP ("RSCM") which is the investment manager to Master Fund. RSC and RSCM may therefore be deemed to have or share beneficial ownership of the Series B Preferred Stock held directly by Master Fund.

SEC source: 0000899243-20-008475 · doc4.xml · nonDerivative · entry 2

Rock Springs Capital Management LP · CIK 0001595725 · 10% owner

Rock Springs Capital Master Fund LP · CIK 0001735393 · 10% owner

Rock Springs Capital LLC · CIK 0001735397 · 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: 523,411

F2 · ownership.nature: The securities reported herein are held of record by Rock Springs Capital Master Fund LP ("Master Fund"). Rock Springs Capital LLC ("RSC") is the general partner of Rock Springs Capital Management LP ("RSCM") which is the investment manager to Master Fund. RSC and RSCM may therefore be deemed to have or share beneficial ownership of the Series B Preferred Stock held directly by Master Fund.

SEC source: 0000899243-20-008475 · doc4.xml · nonDerivative · entry 1

Rock Springs Capital Management LP · CIK 0001595725 · 10% owner

Rock Springs Capital Master Fund LP · CIK 0001735393 · 10% owner

Rock Springs Capital LLC · CIK 0001735397 · 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: 273,411

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: On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · ownership.nature: The securities reported herein are held of record by Rock Springs Capital Master Fund LP ("Master Fund"). Rock Springs Capital LLC ("RSC") is the general partner of Rock Springs Capital Management LP ("RSCM") which is the investment manager to Master Fund. RSC and RSCM may therefore be deemed to have or share beneficial ownership of the Series B Preferred Stock held directly by Master Fund.

SEC source: 0000899243-20-008472 · doc4.xml · derivative · entry 2

H LUNDBECK A S · CIK 0001206828 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 79,229 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: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0000899243-20-008472 · doc4.xml · nonDerivative · entry 1

H LUNDBECK A S · CIK 0001206828 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 522,499

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: On March 16, 2020, the Series Seed Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series Seed Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0000899243-20-008471 · doc4.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 · 45,568 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: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: On March 16, 2020, the Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0000899243-20-008471 · doc4.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 · 227,532 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: On March 16, 2020, the Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.exercise_date: On March 16, 2020, the Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: On March 16, 2020, the Series A Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series A Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.