Harry Quarls - 28 Aug 2023 Form 4 Insider Report for ESS Tech, Inc. (GWH)

Role: Director
Signature: /s/ Kelly F. Goodman, by power of attorney
Issuer symbol: GWH
Transactions as of: 28 Aug 2023
Net transactions value: $0
Form type: 4
Filing time: 30 Aug 2023, 20:47:54 UTC
Next filing: 13 Nov 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GWH	Common Stock	Award	$0	+123,456		$0.000000	123,456	28 Aug 2023	Direct	F1, F2

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	GWH	Stock Option (right to buy)	Award	$0	+185,184		$0.000000	185,184	28 Aug 2023	Common Stock	185,184	$1.43	Direct	F3

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

Explanation of Responses:

Id	Content
F1	The reported shares are represented by restricted stock units, or RSUs, which vest as to 1/3 of the RSUs on the one year anniversary of the date of grant and 1/3 of the RSUs shall vest annually thereafter, provided that the Reporting Person remains a Service Provider to the issuer on each such vest date.
F2	A portion of these securities are Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.
F3	1/3 of the shares subject to the option shall vest on the one year anniversary of the date of grant and 1/3 of the shares subject to the option shall vest annually thereafter, provided that the Reporting Person remains as a Service Provider to the issuer as of each vest date.