Kate Eileen Suhadolnik - 20 Feb 2026 Form 4 Insider Report for ESS Tech, Inc. (GWH)

Role
Chief Financial Officer
Signature
/s/ Kate Suhadolnik
Issuer symbol
GWH
Transactions as of
20 Feb 2026
Net transactions value
-$1,141
Form type
4
Filing time
26 Feb 2026, 21:45:53 UTC
Previous filing
26 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Suhadolnik Kate Eileen Chief Financial Officer C/O ESS TECH, INC., 26440 SW PARKWAY AVE., BLDG. 83, WILSONVILLE /s/ Kate Suhadolnik 26 Feb 2026 0002083724

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction GWH Common Stock Sale $1,141 -741 -0.45% $1.54 164,414 20 Feb 2026 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs").
F2 A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.