Joyce Gareth T. - 17 Feb 2022 Form 4 Insider Report for Proterra Inc

Role: CEO and President, Director
Signature: /s/ Joshua Damm, Attorney-in-Fact
Issuer symbol: N/A
Transactions as of: 17 Feb 2022
Net transactions value: $0
Form type: 4
Filing time: 22 Feb 2022, 16:58:35 UTC
Previous filing: 15 Dec 2021
Next filing: 28 Feb 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PTRA	Common Stock	Award	$0	+189,393	+378%	$0.000000	239,479	17 Feb 2022	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	PTRA	Employee Stock Option (right to buy)	Award	$0	+300,240		$0.000000	300,240	17 Feb 2022	Common Stock	300,240	$8.73	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Certain of the shares are subject to forfeiture to the Issuer if underlying vesting conditions are not met.
F2	The stock option vests as to 25% of the total shares on January 1, 2023, and thereafter vests as to 25% of the total shares annually until fully vested, subject to the Reporting Person's provision of service to the Issuer on each vesting date.