Joan Robinson-Berry - Jul 20, 2021 Form 4 Insider Report for Proterra Inc (PTRA)

Role: Director
Signature: /s/ Joshua Damm, Attorney-in-Fact
Stock symbol: PTRA
Transactions as of: Jul 20, 2021
Transactions value $: $170
Form type: 4
Date filed: 7/22/2021, 08:43 PM
Previous filing: Jun 16, 2021
Next filing: Dec 1, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PTRA	Common Stock	Award	$170	+19		$8.93^*	19	Jul 20, 2021	Direct	F1

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

Explanation of Responses:

Id	Content
F1	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.

Content

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.