Eric P. Dresselhuys - Dec 17, 2021 Form 4 Insider Report for ESS Tech, Inc. (GWH)

Role: Chief Executive Officer, Director
Signature: /s/ Amir Moftakhar, by power of attorney
Stock symbol: GWH
Transactions as of: Dec 17, 2021
Transactions value $: $0
Form type: 4
Date filed: 12/21/2021, 03:05 PM
Previous filing: Nov 17, 2021
Next filing: Jan 6, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	GWH	Common Stock	Award	$0	+763K	+586.61%	$0.00	893K	Dec 17, 2021	Direct	F1

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

Explanation of Responses:

Id	Content
F1	The shares are represented by restricted stock units, or RSUs, of which one-fourth of the 457,763 RSUs vest on May 20, 2022 and the remaining shares vest thereafter in 16 equal quarterly installments and an additional 305,175 RSUs vest as follows: for any forty out of any 60 trading days during the five year period beginning on October 8, 2022 (i) 50% 0f the RSUs shall vest if the closing price per share of the Issuer's common stock is at or greater than $12.50 per share and (ii) 50% of the RSUs shall vest if the closing price is at or greater than $15.00 per share.

Content

The shares are represented by restricted stock units, or RSUs, of which one-fourth of the 457,763 RSUs vest on May 20, 2022 and the remaining shares vest thereafter in 16 equal quarterly installments and an additional 305,175 RSUs vest as follows: for any forty out of any 60 trading days during the five year period beginning on October 8, 2022 (i) 50% 0f the RSUs shall vest if the closing price per share of the Issuer's common stock is at or greater than $12.50 per share and (ii) 50% of the RSUs shall vest if the closing price is at or greater than $15.00 per share.