ALEC

SEC source: 0001209191-22-038540 · doc4.xml · nonDerivative · entry 1

Hammond Paula · CIK 0001805348 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,459

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2023 or (ii) the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038538 · doc4.xml · derivative · entry 2

Gerngross Tillman U. · CIK 0001722061 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,918

Underlying: Common Stock · 18,918 shares

Expires 2032-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 16, 2022, or if earlier, the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038538 · doc4.xml · nonDerivative · entry 1

Gerngross Tillman U. · CIK 0001722061 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,618,069

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2023 or (ii) the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038542 · doc4.xml · derivative · entry 3

LAVIGNE LOUIS J JR · CIK 0001214127 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,918

Underlying: Common Stock · 18,918 shares

Expires 2032-06-16

F3 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 16, 2022, or if earlier, the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038542 · doc4.xml · nonDerivative · entry 1

LAVIGNE LOUIS J JR · CIK 0001214127 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,459

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2023 or (ii) the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038571 · doc4.xml · derivative · entry 2

SCHELLER RICHARD H · CIK 0001214133 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,918

Underlying: Common Stock · 18,918 shares

Expires 2032-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 16, 2022, or if earlier, the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038571 · doc4.xml · nonDerivative · entry 1

SCHELLER RICHARD H · CIK 0001214133 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,459

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2023 or (ii) the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038547 · doc4.xml · derivative · entry 2

Wehner David M. · CIK 0001534965 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,918

Underlying: Common Stock · 18,918 shares

Expires 2032-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 16, 2022, or if earlier, the date of the Issuer's next annual meeting of stockholders.

F1 · derivative.underlying: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2023 or (ii) the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038547 · doc4.xml · nonDerivative · entry 1

Wehner David M. · CIK 0001534965 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 54,080

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2023 or (ii) the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038549 · doc4.xml · derivative · entry 2

Yaffe Kristine · CIK 0001783895 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,918

Underlying: Common Stock · 18,918 shares

Expires 2032-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 16, 2022, or if earlier, the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038549 · doc4.xml · nonDerivative · entry 1

Yaffe Kristine · CIK 0001783895 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,459

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2023 or (ii) the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038536 · doc4.xml · derivative · entry 2

GAROFALO ELIZABETH A. · CIK 0001826361 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,918

Underlying: Common Stock · 18,918 shares

Expires 2032-06-16

F2 · derivative.exercise_date: The shares subject to the option vest in 12 equal monthly installments beginning on July 16, 2022, or if earlier, the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-038536 · doc4.xml · nonDerivative · entry 1

GAROFALO ELIZABETH A. · CIK 0001826361 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,459

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2023 or (ii) the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001209191-22-034559 · doc4.xml · nonDerivative · entry 1

King Robert · CIK 0001635264 · Chief Development Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 529,471

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · balance_after: Includes 1,244 shares of common stock acquired under the Issuer's employee stock purchase plan on June 1, 2022.

SEC source: 0001209191-22-032935 · doc4.xml · derivative · entry 2

Romano Gary · CIK 0001799779 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 369,000

Underlying: Common Stock · 369,000 shares

Expires 2032-05-27

F2 · derivative.exercise_date: Shares subject to the option vest in 48 equal monthly installments beginning on June 23, 2022.

SEC source: 0001209191-22-032935 · doc4.xml · nonDerivative · entry 1

Romano Gary · CIK 0001799779 · Chief Medical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,250

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in 12 equal quarterly installments beginning on September 1, 2022.

SEC source: 0001209191-22-015742 · doc4.xml · nonDerivative · entry 1

King Robert · CIK 0001635264 · Chief Development Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 528,404

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

SEC source: 0001209191-22-015410 · doc4.xml · derivative · entry 1

GRASSO MARC · CIK 0001748894 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 450,000

Underlying: Common Stock · 450,000 shares

Expires 2032-03-01

F1 · derivative.exercise_date: Shares subject to the option vest in 48 equal monthly installments beginning on March 7, 2022.

SEC source: 0001209191-22-001791 · doc4.xml · derivative · entry 3

Kenkare-Mitra Sara · CIK 0001895592 · President and Head of R&D

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 300,000

Underlying: Common Stock · 300,000 shares

Expires 2032-01-03

F3 · derivative.exercise_date: Twenty-five percent of the shares subject to the option shall vest on December 15, 2022 and one forty-eighth of the shares vest monthly thereafter.

SEC source: 0001209191-22-001791 · doc4.xml · nonDerivative · entry 2

Kenkare-Mitra Sara · CIK 0001895592 · President and Head of R&D

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,000

F2 · shares: Shares consist of performance share units, or PSUs, which vest as follows: twenty-five percent of the award will be earned if, within four years of January 3, 2022, the Issuer's average closing stock price is $30 per share for 40 consecutive trading days and the remaining seventy-five percent will be earned if the average closing stock price is $40 per share for 40 consecutive trading days. Upon attainment of the performance metrics, the shares vest in four equal quarterly installments beginning on the first vesting date as set forth in the PSU award agreement.

SEC source: 0001209191-22-001791 · doc4.xml · nonDerivative · entry 1

Kenkare-Mitra Sara · CIK 0001895592 · President and Head of R&D

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,000

F1 · shares: Shares consist of restricted stock units, or RSUs, which vest as follows: one-third of the RSUs vest on March 1, 2023 and one-twelfth of the RSUs vest quarterly thereafter.

SEC source: 0000899243-21-049595 · doc4.xml · nonDerivative · entry 5

MCGUIRE TERRANCE · CIK 0001117003 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 13,133

F10 · kind: Represents a change in the form of ownership of McGuire Family 2008 GST Non-Exempt Irrevocable Trust ("McGuire Family Trust") by virtue of the receipt of shares in the pro-rata in-kind distribution of common stock of the Issuer for no consideration by PVM.

F11 · ownership.nature: Shares held by McGuire Family Trust. The Reporting Person, a member of the Issuer's board of directors, is the donor of McGuire Family Trust and may be deemed to have shared power to vote and dispose of the shares held by McGuire Family Trust.

SEC source: 0000899243-21-049595 · doc4.xml · nonDerivative · entry 4

MCGUIRE TERRANCE · CIK 0001117003 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F9 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by PVM to its members.

F7 · shares: Shares held by PVM. 276 shares received from PVPFF VI, 78,869 shares received from PVP VI AIV and 19,388 shares received from PVP VI AIV-B. The Managing Members, including the Reporting Person who is a member of the Issuer's board of directors, are managing members of PVM and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds.

F8 · shares: (Continued from footnote 7) Each of the Managing Members disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

F7 · ownership.nature: Shares held by PVM. 276 shares received from PVPFF VI, 78,869 shares received from PVP VI AIV and 19,388 shares received from PVP VI AIV-B. The Managing Members, including the Reporting Person who is a member of the Issuer's board of directors, are managing members of PVM and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds.

F8 · ownership.nature: (Continued from footnote 7) Each of the Managing Members disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

SEC source: 0000899243-21-049595 · doc4.xml · nonDerivative · entry 3

MCGUIRE TERRANCE · CIK 0001117003 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 98,533

F6 · kind: Represents a change in the form of ownership of PVM by virtue of the receipt of shares in the pro-rata in-kind distribution of common stock of the Issuer for no consideration by the Polaris Funds.

F7 · shares: Shares held by PVM. 276 shares received from PVPFF VI, 78,869 shares received from PVP VI AIV and 19,388 shares received from PVP VI AIV-B. The Managing Members, including the Reporting Person who is a member of the Issuer's board of directors, are managing members of PVM and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds.

F8 · shares: (Continued from footnote 7) Each of the Managing Members disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

F7 · ownership.nature: Shares held by PVM. 276 shares received from PVPFF VI, 78,869 shares received from PVP VI AIV and 19,388 shares received from PVP VI AIV-B. The Managing Members, including the Reporting Person who is a member of the Issuer's board of directors, are managing members of PVM and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds.

F8 · ownership.nature: (Continued from footnote 7) Each of the Managing Members disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

SEC source: 0000899243-21-049595 · doc4.xml · nonDerivative · entry 2

MCGUIRE TERRANCE · CIK 0001117003 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,429

F5 · kind: Represents a change in the form of ownership of the Reporting Person by virtue of the receipt of shares in the pro-rata in-kind distribution of common stock of the Issuer for no consideration by PVPFF.

SEC source: 0000899243-21-049595 · doc4.xml · nonDerivative · entry 1

MCGUIRE TERRANCE · CIK 0001117003 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 12,353,817

F1 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Polaris Venture Partners Founders' Fund VI, L.P. ("PVPFF VI"), Polaris Venture Partners VI (AIV), L.P. ("PVP VI AIV") and Polaris Venture Partners VI (AIV-B), L.P. (f/k/a PVP VI (AIV) Feeder Corp. Holding Partnership, L.P., "PVP VI AIV-B" and, together with PVPFF VI, PVP VI AIV and Polaris Venture Partners VI, L.P. ("PVP VI"), the "Polaris Funds").

F2 · shares: 27,606 shares were distributed by PVPFF VI, 379,180 shares were distributed by PVP VI AIV and 93,214 shares were distributed by PVP VI AIV-B. The general partner of each of the Polaris Funds is Polaris Venture Management Co. VI, L.L.C. ("PVM"). Each of Amir Nashat, Brian Chee, David Barrett, Bryce Youngren, Jonathan Flint, and the Reporting Person, a member of the Issuer's board of directors, are managing members of PVM (collectively, the "Managing Members") and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds.

F3 · shares: (Continued from footnote 2) Each of the Managing Members and PVM disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

F4 · ownership.nature: 682,069 shares are held by PVPFF VI, 8,968,544 shares are held by PVP VI AIV, 2,204,736 shares are held by PVP VI AIV-B and 498,468 shares are held by PVP VI. Each of the Managing Members and PVM disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

SEC source: 0000899243-21-049599 · doc4.xml · nonDerivative · entry 3

Polaris Venture Management Co. VI, L.L.C. · CIK 0001665594 · 10% owner

Polaris Venture Partners VI (AIV), L.P. · CIK 0001767127 · 10% owner

Polaris Venture Partners Founders' Fund VI, L.P. · CIK 0001575691 · 10% owner

Polaris Venture Partners VI, L.P. · CIK 0001493463 · 10% owner

PVP VI (AIV) Feeder Corp. Holding Partnership, L.P. · CIK 0001767130 · 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

F8 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by PVM to its members.

F6 · shares: Shares held by PVM. 276 shares received from PVPFF VI, 78,869 shares received from PVP VI AIV and 19,388 shares received from PVP VI AIV-B. The Managing Members, including Terrance McGuire who is a member of the Issuer's board of directors, are managing members of PVM and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds.

F7 · shares: (Continued from footnote 6) Each of the Managing Members disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

SEC source: 0000899243-21-049599 · doc4.xml · nonDerivative · entry 2

Polaris Venture Management Co. VI, L.L.C. · CIK 0001665594 · 10% owner

Polaris Venture Partners VI (AIV), L.P. · CIK 0001767127 · 10% owner

Polaris Venture Partners Founders' Fund VI, L.P. · CIK 0001575691 · 10% owner

Polaris Venture Partners VI, L.P. · CIK 0001493463 · 10% owner

PVP VI (AIV) Feeder Corp. Holding Partnership, L.P. · CIK 0001767130 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,533

F5 · kind: Represents a change in the form of ownership of PVM by virtue of the receipt of shares in the pro-rata in-kind distribution of common stock of the Issuer for no consideration by the Polaris Funds.

F6 · shares: Shares held by PVM. 276 shares received from PVPFF VI, 78,869 shares received from PVP VI AIV and 19,388 shares received from PVP VI AIV-B. The Managing Members, including Terrance McGuire who is a member of the Issuer's board of directors, are managing members of PVM and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds.

F7 · shares: (Continued from footnote 6) Each of the Managing Members disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

SEC source: 0000899243-21-049599 · doc4.xml · nonDerivative · entry 1

Polaris Venture Management Co. VI, L.L.C. · CIK 0001665594 · 10% owner

Polaris Venture Partners VI (AIV), L.P. · CIK 0001767127 · 10% owner

Polaris Venture Partners Founders' Fund VI, L.P. · CIK 0001575691 · 10% owner

Polaris Venture Partners VI, L.P. · CIK 0001493463 · 10% owner

PVP VI (AIV) Feeder Corp. Holding Partnership, L.P. · CIK 0001767130 · 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: 12,353,817

F1 · kind: Represents a pro-rata distribution, and not a purchase or sale, without additional consideration by Polaris Venture Partners Founders' Fund VI, L.P. ("PVPFF VI"), Polaris Venture Partners VI (AIV), L.P. ("PVP VI AIV") and Polaris Venture Partners VI (AIV-B), L.P. (f/k/a PVP VI (AIV) Feeder Corp. Holding Partnership, L.P., "PVP VI AIV-B" and, together with PVPFF VI, PVP VI AIV and Polaris Venture Partners VI, L.P. ("PVP VI"), the "Polaris Funds").

F2 · shares: 27,606 shares were distributed by PVPFF VI, 379,180 shares were distributed by PVP VI AIV and 93,214 shares were distributed by PVP VI AIV-B. The general partner of each of the Polaris Funds is Polaris Venture Management Co. VI, L.L.C. ("PVM"). Each of Amir Nashat, Brian Chee, David Barrett, Bryce Youngren, Jonathan Flint, and Terrance McGuire, a member of the Issuer's board of directors, are managing members of PVM (collectively, the "Managing Members") and may be deemed to have shared power to vote and dispose of the shares held by the Polaris Funds.

F3 · shares: (Continued from footnote 2) Each of the Managing Members and PVM disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

F4 · ownership.nature: 682,069 shares are held by PVPFF VI, 8,968,544 shares are held by PVP VI AIV, 2,204,736 shares are held by PVP VI AIV-B and 498,468 shares are held by PVP VI. Each of the Managing Members and PVM disclaims beneficial ownership of the securities held by the Polaris Funds, and this report shall not be deemed an admission that any of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interest therein.

SEC source: 0001209191-21-069643 · doc4.xml · derivative · entry 8

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 305,187

Underlying: Common Stock · 75,000 shares

Expires 2029-12-31

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_date: One-fourth of the shares subject to the option grant vested on December 9, 2020, and 1/48th vest monthly thereafter.

SEC source: 0001209191-21-069643 · doc4.xml · nonDerivative · entry 6

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,598

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.565 to $21.92, inclusive.

SEC source: 0001209191-21-069643 · doc4.xml · nonDerivative · entry 5

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,496

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $20.56 to $21.55, inclusive.

SEC source: 0001209191-21-069643 · doc4.xml · nonDerivative · entry 4

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,598

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.

SEC source: 0001209191-21-069643 · doc4.xml · derivative · entry 7

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 380,187

Underlying: Common Stock · 75,000 shares

Expires 2029-12-31

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_date: One-fourth of the shares subject to the option grant vested on December 9, 2020, and 1/48th vest monthly thereafter.

SEC source: 0001209191-21-069643 · doc4.xml · nonDerivative · entry 3

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,598

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.205 to $22.54, inclusive.

SEC source: 0001209191-21-069643 · doc4.xml · nonDerivative · entry 2

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,472

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.18 to $22.155, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (5) to this Form 4.

SEC source: 0001209191-21-069643 · doc4.xml · nonDerivative · entry 1

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,598

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.

SEC source: 0001209191-21-069130 · doc4.xml · derivative · entry 10

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 455,187

Underlying: Common Stock · 75,000 shares

Expires 2029-12-31

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

F7 · derivative.exercise_date: One-fourth of the shares subject to the option grant vested on December 9, 2020, and 1/48th vest monthly thereafter.

SEC source: 0001209191-21-069130 · doc4.xml · nonDerivative · entry 7

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,598

F2 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.36 to $23.44, inclusive.

SEC source: 0001209191-21-069130 · doc4.xml · nonDerivative · entry 6

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,241

F2 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.36 to $23.35, inclusive.

SEC source: 0001209191-21-069130 · doc4.xml · nonDerivative · entry 5

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,598

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.

SEC source: 0001209191-21-069130 · doc4.xml · derivative · entry 9

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,026

Underlying: Common Stock · 55,187 shares

Expires 2030-09-30

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.

F8 · derivative.exercise_date: The shares subject to the option vest in 48 equal monthly installments beginning on November 1, 2020.

SEC source: 0001209191-21-069130 · doc4.xml · derivative · entry 8

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 530,187

Underlying: Common Stock · 19,813 shares

Expires 2029-12-31

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

F7 · derivative.exercise_date: One-fourth of the shares subject to the option grant vested on December 9, 2020, and 1/48th vest monthly thereafter.

SEC source: 0001209191-21-069130 · doc4.xml · nonDerivative · entry 4

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,598

F2 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $22.94 to $23.10, inclusive.

SEC source: 0001209191-21-069130 · doc4.xml · nonDerivative · entry 3

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,087

F2 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $21.94 to $22.92, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (6) to this Form 4.

SEC source: 0001209191-21-069130 · doc4.xml · nonDerivative · entry 2

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 177,598

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.

SEC source: 0001209191-21-069130 · doc4.xml · nonDerivative · entry 1

SULIMAN SHEHNAAZ · CIK 0001713070 · President and COO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,411

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 · balance_after: Includes 755 shares acquired on December 1, 2020 and 1,843 shares acquired on June 1, 2021 pursuant to the Issuer's employee stock purchase plan.

SEC source: 0001209191-21-067885 · doc4.xml · nonDerivative · entry 1

King Robert · CIK 0001635264 · Chief Development Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 528,691

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

F2 · balance_after: Includes 685 shares of common stock acquired under the Issuer's employee stock purchase plan on December 1, 2021.

SEC source: 0001209191-21-064341 · doc4.xml · nonDerivative · entry 2

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,972,875

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F2 · ownership.nature: The reported securities are held directly by The Rosenthal Family Revocable Trust Dated November 4, 1994, as restated on June 9, 1999, for which the Reporting Person serves as trustee.

SEC source: 0001209191-21-064341 · doc4.xml · nonDerivative · entry 1

Rosenthal Arnon · CIK 0001757770 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,027,875

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan.

F2 · ownership.nature: The reported securities are held directly by The Rosenthal Family Revocable Trust Dated November 4, 1994, as restated on June 9, 1999, for which the Reporting Person serves as trustee.