PHR

SEC source: 0000899243-20-001755 · doc4a.xml · derivative · entry 2

Davidoff Michael J. · CIK 0001777450 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,006

Underlying: Common Stock · 1,545 shares

Expires 2020-02-25

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_date: This option is fully vested and exercisable as of the date hereof.

F5 · derivative.underlying_shares: The original Form 4, filed on December 27, 2019, is being amended by this Form 4 amendment to reflect the correct amount of underlying securities.

SEC source: 0000899243-20-001755 · doc4a.xml · nonDerivative · entry 1

Davidoff Michael J. · CIK 0001777450 · See Remarks

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,023

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 · shares: These shares are subject to a Lock-Up Agreement (the "Lock-up") until January 26, 2020. The terms of the Lock-up permit the exercise of options by the Reporting Person and the shares of Common Stock issued as a result of the exercise are subject to the terms of the Lock-up. No shares of Common Stock were sold by the Reporting Person in connection with the exercise.

F2 · balance_after: Includes 11,377 Restricted Stock Units ("RSUs") issued under the Phreesia, Inc. 2018 Stock Option and Grant Plan. Each RSU represents the right to receive one share of Common Stock.

F4 · balance_after: The original Form 4, filed on December 27, 2019, is being amended by this Form 4 amendment to reflect the correct amount of securities beneficially owned following the reported transaction.

SEC source: 0000899243-19-029539 · doc4.xml · nonDerivative · entry 1

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,016,938

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. ("Partners"). HLM Venture Associates II, L.L.C. ("Associates") is the general partner of Partners. As a managing member of Associates, the Reporting Person shares voting and investment power over the securities held by Partners and may be deemed to have indirect beneficial ownership of such shares. The Reporting Person disclaims beneficial ownership of such securities held by Partners, except to the extent of his proportionate pecuniary interest therein.

SEC source: 0000899243-19-029554 · doc4.xml · nonDerivative · entry 4

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Special Founders' Fund V, L.P.

Disclosed balance after: 31,015

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-029554 · doc4.xml · nonDerivative · entry 3

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Founders' Fund V, L.P.

Disclosed balance after: 21,245

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-029554 · doc4.xml · nonDerivative · entry 2

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Entrepreneurs' Fund V, L.P.

Disclosed balance after: 60,446

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-029554 · doc4.xml · nonDerivative · entry 1

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners V, L.P.

Disclosed balance after: 3,101,386

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-029545 · doc4.xml · nonDerivative · entry 2

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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: 159,164

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F3 · ownership.nature: Shares held directly by LLR Equity Partners Parallel IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners Parallel IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-029545 · doc4.xml · nonDerivative · entry 1

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,618,234

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Shares held directly by LLR Equity Partners IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-029549 · doc4.xml · nonDerivative · entry 2

Perricelli Scott · CIK 0001776725 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 159,164

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F3 · ownership.nature: Shares held directly by LLR Equity Partners Parallel IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners Parallel IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for the purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-029549 · doc4.xml · nonDerivative · entry 1

Perricelli Scott · CIK 0001776725 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,618,234

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Shares held directly by LLR Equity Partners IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for the purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-029544 · doc4.xml · nonDerivative · entry 1

Pegus Cheryl · CIK 0001572448 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Echo Health Ventures LLC

Disclosed balance after: 1,681,439

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Shares held directly by Echo Health Ventures LLC. Echo Health Ventures LLC is a joint venture between Cascadia Echo Holdings Company, LLC and Mosaic Health Solutions, LLC. Cascadia Echo Holdings LLC is a subsidiary of Cambia Health Solutions, LLC. The reporting person is the Chief Medical Officer and Senior Vice President of Cambia Health Solutions, LLC. The Reporting Person disclaims beneficial ownership over such shares, except to the extent of her pecuniary interest therein, if any, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for the purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-029541 · doc4.xml · nonDerivative · entry 1

HLM VENTURE PARTNERS II, L.P. · CIK 0001340660 · 10% owner

HLM VENTURE ASSOCIATES II, LLC · CIK 0001591541 · 10% owner

GRUA PETER J · CIK 0001242813 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,016,938

F1 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of December 12, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.direct: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. Edward L. Cahill and Peter J. Grua (collectively, the "Managing Members") are the managing members of HLM Venture Associates II, L.L.C. and, as such, may be deemed to have shared voting and dispositive power with respect to the issuer's securities held of record by HLM Venture Partners II, L.P. Each of the entities and the Managing Members disclaim beneficial ownership of the securities reported herein, except to the extent of their respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-029151 · doc4.xml · derivative · entry 2

Indig Chaim · CIK 0001776732 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 223,750

Underlying: Common Stock · 3,800 shares

Expires 2023-08-19

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_date: This option is fully vested and exercisable as of the date hereof.

SEC source: 0000899243-19-029151 · doc4.xml · nonDerivative · entry 1

Indig Chaim · CIK 0001776732 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 831,472

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 · shares: These shares are subject to a Lock-Up Agreement (the "Lock-up") until March 11, 2020, except that, during the period beginning January 27, 2020 and through the expiration of the lock-up period, such shares may be traded pursuant to a plan adopted in accordance with Rule 10b5-1 of the Exchange Act. The terms of the Lock-up permit the exercise of options by the Reporting Person and the shares of Common Stock issued as a result of the exercise are subject to the terms of the Lock-up. No shares of Common Stock were sold by the Reporting Person in connection with the exercise.

F2 · balance_after: Includes 255,993 Restricted Stock Units ("RSUs") issued under the Phreesia, Inc. 2018 Stock Option and Grant Plan. Each RSU represents the right to receive one share of Common Stock.

SEC source: 0000899243-19-029149 · doc4.xml · derivative · entry 2

Altier Thomas · CIK 0001777448 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,343

Underlying: Common Stock · 41,666 shares

Expires 2023-04-02

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_date: This option is fully vested and exercisable as of the date hereof.

SEC source: 0000899243-19-029149 · doc4.xml · nonDerivative · entry 1

Altier Thomas · CIK 0001777448 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 53,043

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 · shares: These shares are subject to a Lock-Up Agreement (the "Lock-up") until January 26, 2020. The terms of the Lock-up permit the exercise of options by the Reporting Person and the shares of Common Stock issued as a result of the exercise are subject to the terms of the Lock-up. No shares of Common Stock were sold by the Reporting Person in connection with the exercise.

F2 · balance_after: Includes 11,377 Restricted Stock Units ("RSUs") issued under the Phreesia, Inc. 2018 Stock Option and Grant Plan. Each RSU represents the right to receive one share of Common Stock.

SEC source: 0000899243-19-029148 · doc4.xml · derivative · entry 2

Roberts Evan · CIK 0001776704 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 223,750

Underlying: Common Stock · 223,750 shares

Expires 2023-08-19

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_date: This option is fully vested and exercisable as of the date hereof.

SEC source: 0000899243-19-029148 · doc4.xml · nonDerivative · entry 1

Roberts Evan · CIK 0001776704 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 586,856

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

F1 · shares: These shares are subject to a Lock-Up Agreement (the "Lock-up") until January 26, 2020. The terms of the Lock-up permit the exercise of options by the Reporting Person and the shares of Common Stock issued as a result of the exercise are subject to the terms of the Lock-up. No shares of Common Stock were sold by the Reporting Person in connection with the exercise.

F2 · balance_after: Includes 11,377 Restricted Stock Units ("RSUs") issued under the Phreesia, Inc. 2018 Stock Option and Grant Plan. Each RSU represents the right to receive one share of Common Stock.

SEC source: 0000899243-19-020227 · doc4.xml · derivative · entry 10

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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 · 51,872 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: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F4 · price: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F4 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F4 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F3 · ownership.nature: Shares held directly by LLR Equity Partners Parallel IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners Parallel IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020227 · doc4.xml · derivative · entry 9

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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 · 1,179,192 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F4 · price: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F4 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F4 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by LLR Equity Partners IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020227 · doc4.xml · derivative · entry 8

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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 · 222,887 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: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F3 · ownership.nature: Shares held directly by LLR Equity Partners Parallel IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners Parallel IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020227 · doc4.xml · derivative · entry 7

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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 · 5,066,835 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: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by LLR Equity Partners IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020227 · doc4.xml · nonDerivative · entry 6

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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: 243,436

F3 · ownership.nature: Shares held directly by LLR Equity Partners Parallel IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners Parallel IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020227 · doc4.xml · nonDerivative · entry 5

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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: 5,533,962

F2 · ownership.nature: Shares held directly by LLR Equity Partners IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020227 · doc4.xml · nonDerivative · entry 4

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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: 274,759

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

F4 · price: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F3 · ownership.nature: Shares held directly by LLR Equity Partners Parallel IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners Parallel IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020227 · doc4.xml · nonDerivative · entry 3

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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: 6,246,027

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: Upon the closing of the Issuer's initial public offering, all shares of Senior B Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior B Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by LLR Equity Partners IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020227 · doc4.xml · nonDerivative · entry 2

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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: 222,887

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: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F3 · ownership.nature: Shares held directly by LLR Equity Partners Parallel IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners Parallel IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020227 · doc4.xml · nonDerivative · entry 1

LLR Capital IV, LLC · CIK 0001777454 · 10% owner

LLR EQUITY PARTNERS IV, L.P. · CIK 0001543672 · 10% owner

LLR EQUITY PARTNERS PARALLEL IV, L.P. · CIK 0001553824 · 10% owner

LLR Capital IV, L.P. · CIK 0001777472 · 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: 5,066,835

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: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by LLR Equity Partners IV, L.P. LLR Capital IV, L.P. is the general partner of LLR Equity Partners IV, L.P. LLR Capital IV, LLC is the general partner of LLR Capital IV, L.P. Each of these entities expressly disclaims beneficial ownership of the shares listed above except to the extent of any pecuniary interest therein.

SEC source: 0000899243-19-020232 · doc4.xml · derivative · entry 5

HLM VENTURE PARTNERS II, L.P. · CIK 0001340660 · 10% owner

HLM VENTURE ASSOCIATES II, LLC · CIK 0001591541 · 10% owner

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

GRUA PETER J · CIK 0001242813 · 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 · 414,880 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: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F3 · price: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F3 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F3 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. Edward L. Cahill and Peter J. Grua (collectively, the "Managing Members") are the managing members of HLM Venture Associates II, L.L.C. and, as such, may be deemed to have shared voting and dispositive power with respect to the issuer's securities held of record by HLM Venture Partners II, L.P. Each of the entities and the Managing Members disclaim beneficial ownership of the securities reported herein, except to the extent of their respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-020232 · doc4.xml · derivative · entry 4

HLM VENTURE PARTNERS II, L.P. · CIK 0001340660 · 10% owner

HLM VENTURE ASSOCIATES II, LLC · CIK 0001591541 · 10% owner

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

GRUA PETER J · CIK 0001242813 · 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 · 4,323,864 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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. Edward L. Cahill and Peter J. Grua (collectively, the "Managing Members") are the managing members of HLM Venture Associates II, L.L.C. and, as such, may be deemed to have shared voting and dispositive power with respect to the issuer's securities held of record by HLM Venture Partners II, L.P. Each of the entities and the Managing Members disclaim beneficial ownership of the securities reported herein, except to the extent of their respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-020232 · doc4.xml · nonDerivative · entry 3

HLM VENTURE PARTNERS II, L.P. · CIK 0001340660 · 10% owner

HLM VENTURE ASSOCIATES II, LLC · CIK 0001591541 · 10% owner

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

GRUA PETER J · CIK 0001242813 · 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: 4,198,515

F4 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of July 17, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. Edward L. Cahill and Peter J. Grua (collectively, the "Managing Members") are the managing members of HLM Venture Associates II, L.L.C. and, as such, may be deemed to have shared voting and dispositive power with respect to the issuer's securities held of record by HLM Venture Partners II, L.P. Each of the entities and the Managing Members disclaim beneficial ownership of the securities reported herein, except to the extent of their respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-020232 · doc4.xml · nonDerivative · entry 2

HLM VENTURE PARTNERS II, L.P. · CIK 0001340660 · 10% owner

HLM VENTURE ASSOCIATES II, LLC · CIK 0001591541 · 10% owner

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

GRUA PETER J · CIK 0001242813 · 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: 4,738,744

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 · price: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. Edward L. Cahill and Peter J. Grua (collectively, the "Managing Members") are the managing members of HLM Venture Associates II, L.L.C. and, as such, may be deemed to have shared voting and dispositive power with respect to the issuer's securities held of record by HLM Venture Partners II, L.P. Each of the entities and the Managing Members disclaim beneficial ownership of the securities reported herein, except to the extent of their respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-020232 · doc4.xml · nonDerivative · entry 1

HLM VENTURE PARTNERS II, L.P. · CIK 0001340660 · 10% owner

HLM VENTURE ASSOCIATES II, LLC · CIK 0001591541 · 10% owner

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

GRUA PETER J · CIK 0001242813 · 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: 4,323,864

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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. Edward L. Cahill and Peter J. Grua (collectively, the "Managing Members") are the managing members of HLM Venture Associates II, L.L.C. and, as such, may be deemed to have shared voting and dispositive power with respect to the issuer's securities held of record by HLM Venture Partners II, L.P. Each of the entities and the Managing Members disclaim beneficial ownership of the securities reported herein, except to the extent of their respective pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of the shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-020230 · doc4.xml · derivative · entry 5

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 414,880 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: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F3 · price: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F3 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F3 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. As a managing member of Associates, the Reporting Person shares voting and investment power over the securities held by Partners and may be deemed to have indirect beneficial ownership of such shares. The Reporting Person disclaims beneficial ownership of such securities held by Partners, except to the extent of his proportionate pecuniary interest therein.

SEC source: 0000899243-19-020230 · doc4.xml · derivative · entry 4

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 4,323,864 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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. As a managing member of Associates, the Reporting Person shares voting and investment power over the securities held by Partners and may be deemed to have indirect beneficial ownership of such shares. The Reporting Person disclaims beneficial ownership of such securities held by Partners, except to the extent of his proportionate pecuniary interest therein.

SEC source: 0000899243-19-020230 · doc4.xml · nonDerivative · entry 3

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,198,515

F4 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of July 17, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. As a managing member of Associates, the Reporting Person shares voting and investment power over the securities held by Partners and may be deemed to have indirect beneficial ownership of such shares. The Reporting Person disclaims beneficial ownership of such securities held by Partners, except to the extent of his proportionate pecuniary interest therein.

SEC source: 0000899243-19-020230 · doc4.xml · nonDerivative · entry 2

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,738,744

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 · price: Upon the closing of the Issuer's initial public offering, all shares of Senior A Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Senior A Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. As a managing member of Associates, the Reporting Person shares voting and investment power over the securities held by Partners and may be deemed to have indirect beneficial ownership of such shares. The Reporting Person disclaims beneficial ownership of such securities held by Partners, except to the extent of his proportionate pecuniary interest therein.

SEC source: 0000899243-19-020230 · doc4.xml · nonDerivative · entry 1

CAHILL EDWARD L · CIK 0001025665 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,323,864

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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held directly by HLM Venture Partners II, L.P. HLM Venture Associates II, L.L.C. is the general partner of HLM Venture Partners II, L.P. As a managing member of Associates, the Reporting Person shares voting and investment power over the securities held by Partners and may be deemed to have indirect beneficial ownership of such shares. The Reporting Person disclaims beneficial ownership of such securities held by Partners, except to the extent of his proportionate pecuniary interest therein.

SEC source: 0000899243-19-020231 · doc4.xml · derivative · entry 12

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Special Founders' Fund V, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 38,289 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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · derivative · entry 11

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Founders' Fund V, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 26,227 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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · derivative · entry 10

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Entrepreneurs' Fund V, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 74,624 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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · derivative · entry 9

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners V, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 3,828,872 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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · price: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.exercise_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F1 · derivative.expiration_date: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · nonDerivative · entry 8

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Special Founders' Fund V, L.P.

Disclosed balance after: 34,461

F3 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of July 17, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · nonDerivative · entry 7

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Founders' Fund V, L.P.

Disclosed balance after: 23,605

F3 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of July 17, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · nonDerivative · entry 6

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Entrepreneurs' Fund V, L.P.

Disclosed balance after: 67,162

F3 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of July 17, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · nonDerivative · entry 5

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners V, L.P.

Disclosed balance after: 3,445,985

F3 · kind: These shares were sold in a firm commitment underwritten public offering pursuant to an underwriting agreement dated as of July 17, 2019 by and among the Issuer, the several underwriters and the selling stockholders identified therein.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · nonDerivative · entry 4

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Special Founders' Fund V, L.P.

Disclosed balance after: 38,289

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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · nonDerivative · entry 3

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Founders' Fund V, L.P.

Disclosed balance after: 26,227

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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-19-020231 · doc4.xml · nonDerivative · entry 2

Polaris Venture Management Co. V, L.L.C. · CIK 0001439589 · 10% owner

Polaris Venture Partners Founders' Fund V, L.P. · CIK 0001439588 · 10% owner

Polaris Venture Partners V, L.P. · CIK 0001439590 · 10% owner

Polaris Venture Partners Entrepreneurs' Fund V, L.P. · CIK 0001439587 · 10% owner

Polaris Venture Partners Special Founders' Fund V, L.P. · CIK 0001439586 · 10% owner

Flint Jonathan A · CIK 0001295676 · 10% owner

MCGUIRE TERRANCE · CIK 0001117003 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Polaris Venture Partners Entrepreneurs' Fund V, L.P.

Disclosed balance after: 74,624

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: Upon the closing of the Issuer's initial public offering, all shares of Junior Convertible Preferred Stock automatically converted into shares of Common Stock of the Issuer on a one-for-2.1973 basis. The Junior Convertible Preferred Stock had no expiration date.

F2 · ownership.nature: Jonathan A. Flint ("Flint") and Terrance G. McGuire ("McGuire") are the managing members of Polaris Venture Management Co. V, L.L.C. ("PVM"), which is the sole general partner for each of Polaris Venture Partners V, L.P. ("PVP V"), Polaris Venture Partners Entrepreneurs' Fund V, L.P. ("PVPEF V"), Polaris Venture Partners Founders' Fund V, L.P. ("PVPFF V"), and Polaris Venture Partners Special Founders' Fund V, L.P. ("PVPSF V", and together with PVP V, PVPEF V, and PVPFF V, the "Polaris Funds"). Each of Flint, McGuire, and PVM may be deemed to beneficially own the shares held by the Polaris Funds, but Flint, McGuire and PVM disclaim beneficial ownership of such shares except to the extent of their respective pecuniary interests therein.