David S. Black - May 24, 2023 Form 4 Insider Report for Proterra Inc (PTRA)

Role: Chief Financial Officer
Signature: David S. Black, by /s/ Ron A. Metzger, Attorney-in-Fact
Stock symbol: PTRA
Transactions as of: May 24, 2023
Transactions value $: $0
Form type: 4
Date filed: 5/26/2023, 05:58 PM
Previous filing: May 18, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PTRA	Common Stock	Award	$0	+333K	+33333.3%	$0.00	334K	May 24, 2023	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	Stock Option (Right to Buy)	Award	$0	+460K		$0.00	460K	May 24, 2023	Common Stock	460K	$1.22	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Represents the number of shares of common stock underlying restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's common stock. The shares underlying the RSUs vest as to 25% of the total shares on May 25, 2024, and thereafter vest as to 25% of the total shares annually until fully vested, subject to the Reporting Person remaining in Service (as defined in the Issuer's 2021 Equity Incentive Plan) of the Issuer as of each such date.
F2	The stock option vests as to 25% of the total shares on May 25, 2024, and thereafter vests as to 25% of the total shares annually until fully vested, subject to the Reporting Person remaining in Service (as defined in the Issuer's 2021 Equity Incentive Plan) of the Issuer as of each such date.

Content

Represents the number of shares of common stock underlying restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's common stock. The shares underlying the RSUs vest as to 25% of the total shares on May 25, 2024, and thereafter vest as to 25% of the total shares annually until fully vested, subject to the Reporting Person remaining in Service (as defined in the Issuer's 2021 Equity Incentive Plan) of the Issuer as of each such date.

The stock option vests as to 25% of the total shares on May 25, 2024, and thereafter vests as to 25% of the total shares annually until fully vested, subject to the Reporting Person remaining in Service (as defined in the Issuer's 2021 Equity Incentive Plan) of the Issuer as of each such date.