Kate Suhadolnik - 20 Nov 2025 Form 4 Insider Report for ESS Tech, Inc. (GWH)

Role
Interim CFO
Signature
/s/ Kate Suhadolnik
Issuer symbol
GWH
Transactions as of
20 Nov 2025
Net transactions value
-$3,118
Form type
4
Filing time
21 Nov 2025, 18:18:33 UTC
Previous filing
29 Aug 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Suhadolnik Kate Eileen Interim CFO C/O ESS TECH, INC., 26440 SW PARKWAY AVE., BLDG. 83, WILSONVILLE /s/ Kate Suhadolnik 20 Nov 2025 0002083724

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GWH Common Stock Tax liability $3,118 -1,299 -4.5% $2.40 27,655 20 Nov 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The reported shares were withheld by the Issuer upon vesting of RSUs to satisfy tax withholding obligations.
F2 A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.