Robinson-Berry Joan

SEC source: 0001825800-26-000002 · form4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,828

F1 · price: Restricted stock unit award which vests on the anniversary of the grant date, unless deferred by the reporting person, and on vesting settled in an equal number of shares of common stock.

SEC source: 0000900440-25-000304 · form4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,487

SEC source: 0000900440-25-000071 · form4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,728

F1 · price: Restricted stock unit award which vests on the anniversary of the grant date, unless deferred by reporting person, and on vesting settled in an equal number of shares of common stock.

SEC source: 0000900440-24-000041 · form4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,149

F1 · price: Restricted stock unit award which vests on the anniversary of the grant date, unless deferred by reporting person, and on vesting settled in an equal number of shares of common stock.

SEC source: 0000900440-23-000055 · form4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,564

SEC source: 0000900440-23-000054 · form4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,598

F1 · price: Restricted stock unit award which vests on the anniversary of the grant date, unless deferred by reporting person, and on vesting settled in an equal number of shares of common stock.

SEC source: 0000900440-22-000066 · form4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,117

F1 · price: Restricted stock unit award which vests on the anniversary of the grant date, unless deferred by reporting person, and on vesting settled in an equal number of shares of common stock.

SEC source: 0001209191-22-011865 · doc4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,927

F1 · balance_after: Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.

SEC source: 0001209191-21-067364 · doc4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,301

F1 · balance_after: Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.

SEC source: 0001209191-21-067355 · doc4a.xml · derivative · entry 2

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,880

Underlying: Common Stock · 36,880 shares

Expires 2031-05-09

F2 · price: In a Form 4 filed on June 16, 2021, the reporting person reported that, on June 14, 2021, an employee stock option she had previously been granted was automatically converted into an employee stock option covering 36,880 shares of common stock of the Issuer, having an exercise price of $10.01 a share. It was subsequently determined that the exercise price of the option was less than the market price of the Issuer's common stock on the grant date, which was $12.25 a share. To avoid adverse tax consequences, the reporting person and the Issuer agreed to amend the option to provide that the option will have an exercise price of $12.25 a share. The amendment of the option is reported in this Form 4 as a cancellation of the original option and the grant of a replacement option.

F1 · derivative.exercise_date: The stock option vests as of 1/48 of the total shares monthly beginning on May 13, 2021 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001209191-21-067355 · doc4a.xml · derivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,880

Underlying: Common Stock · 36,880 shares

Expires 2031-05-09

F2 · price: In a Form 4 filed on June 16, 2021, the reporting person reported that, on June 14, 2021, an employee stock option she had previously been granted was automatically converted into an employee stock option covering 36,880 shares of common stock of the Issuer, having an exercise price of $10.01 a share. It was subsequently determined that the exercise price of the option was less than the market price of the Issuer's common stock on the grant date, which was $12.25 a share. To avoid adverse tax consequences, the reporting person and the Issuer agreed to amend the option to provide that the option will have an exercise price of $12.25 a share. The amendment of the option is reported in this Form 4 as a cancellation of the original option and the grant of a replacement option.

F1 · derivative.exercise_date: The stock option vests as of 1/48 of the total shares monthly beginning on May 13, 2021 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0001209191-21-047884 · doc4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19

F1 · kind: On July 19, 2021, Issuer determined that the reporting person became entitled to receive these shares of common stock pursuant to the earnout provision set forth in Section 3.09(a)(i) of the Agreement and Plan of Merger, dated as of January 11, 2021, by and among Proterra Inc (formerly ArcLight Clean Transition Corp.), Phoenix Merger Sub, Inc., and Proterra Operating Company, Inc. (formerly Proterra Inc) (the "Merger Agreement"). The price per share indicated on this form is based on the deemed value of the common stock on the date the Merger Agreement was signed. The right of the reporting person to receive additional shares became fixed and irrevocable on June 14, 2021, the effective date of the merger.

F1 · shares: On July 19, 2021, Issuer determined that the reporting person became entitled to receive these shares of common stock pursuant to the earnout provision set forth in Section 3.09(a)(i) of the Agreement and Plan of Merger, dated as of January 11, 2021, by and among Proterra Inc (formerly ArcLight Clean Transition Corp.), Phoenix Merger Sub, Inc., and Proterra Operating Company, Inc. (formerly Proterra Inc) (the "Merger Agreement"). The price per share indicated on this form is based on the deemed value of the common stock on the date the Merger Agreement was signed. The right of the reporting person to receive additional shares became fixed and irrevocable on June 14, 2021, the effective date of the merger.

SEC source: 0001209191-21-041204 · doc4.xml · derivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,880

Underlying: Common Stock · 36,880 shares

Expires 2031-05-09

F2 · price: Pursuant to the business combination of ArcLight Clean Transition Corp. and Proterra Inc ("Old Proterra"), each share of Old Proterra outstanding common stock was automatically converted into the right to shares of the Issuer's Common Stock based on a 1 to 0.8925 conversion ratio ("Conversion Ratio"). In addition, each outstanding Old Proterra equity award was automatically converted into a corresponding equity award of the Issuer based on the Conversion Ratio and with the same terms and vesting conditions as the Old Proterra equity awards.

F1 · derivative.exercise_date: The stock option vests as of 1/48 of the total shares monthly beginning on May 13, 2021 until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

SEC source: 0000900440-21-000078 · form4.xml · nonDerivative · entry 1

Robinson-Berry Joan · CIK 0001825800 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 549

F1 · price: Restricted stock unit award which vests on the first anniversary of the grant date, unless deferred by reporting person, and on vesting settled in an equal number of shares of common stock.