SEC Form 4 · accession 0002083724-26-000005
ESS Tech, Inc. · GWH
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Kate Eileen Suhadolnik
Officer — Chief Financial Officer
Period of report
Aug 21, 2026
Accepted (ET)
Aug 24, 2026 · 4:10 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001819438
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1,F2 | Aug 21, 2026 | S | 3,927 | $0.4022 | D | 156,830 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs").
- F2A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.