Amy E. Ard - 16 Aug 2021 Form 4 Insider Report for Proterra Inc (PTRAQ)

Role: Chief Financial Officer
Signature: /s/ Joshua Damm, Attorney-in-Fact
Issuer symbol: PTRAQ
Transactions as of: 16 Aug 2021
Net transactions value: -$88,957
Form type: 4
Filing time: 18 Aug 2021, 19:56:50 UTC
Previous filing: 22 Jul 2021
Next filing: 07 Sep 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	PTRAQ	Common Stock	Tax liability	$88,957	-9,022	-41%	$9.86^*	12,963	16 Aug 2021	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Represents the sale of shares of common stock in order to satisfy the tax liability of the Reporting Person in connection with the distribution of 21,985 shares of common stock previously reported on Table I 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").

Content

Represents the sale of shares of common stock in order to satisfy the tax liability of the Reporting Person in connection with the distribution of 21,985 shares of common stock previously reported on Table I 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").