Key facts
- This page summarizes Kate Eileen Suhadolnik's Form 4 filing for ESS Tech, Inc. (GWH).
- 1 reported transaction and 0 derivative rows are listed below.
- Accepted by SEC: 24 Aug 2026, 16:10.
Kate Eileen Suhadolnik - 21 Aug 2026 Form 4 Insider Report for ESS Tech, Inc. (GWH)
- Reporting relationship
- Chief Financial Officer
- Issuer ticker
- GWH
- Reported as of
- 21 Aug 2026
- Net transaction value
- -$1,579
- SEC form
- 4
- Accepted by SEC
- 24 Aug 2026, 16:10:01 UTC
- Prior SEC filing
- 26 May 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Kate Suhadolnik
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
Kate Eileen Suhadolnik filed Form 4 for ESS Tech, Inc. (GWH) on 24 Aug 2026.
Change
- Previous filing in this sequence was filed on 26 May 2026.
- Current net transaction value: -$1,579.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002083724
Primary reporting owner
Suhadolnik Kate Eileen
- Relationship
- Chief Financial Officer
- Address
- C/O ESS TECH, INC., 26440 SW PARKWAY AVE., BLDG. 83, WILSONVILLE
- Signature
- /s/ Kate Suhadolnik
- Signature date
- 24 Aug 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GWH
transaction
Common Stock
Sale
- Transaction value
- $1,579
- Shares
- -3,927
- Change %
- -2.4%
- Price
- $0.4022
- Shares after
- 156,830
- Date
- 21 Aug 2026
- Ownership
- Direct
- Footnotes
- F1, F2
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 2 footnotes
Footnote F1
These shares were sold to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs").
Footnote F2
A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock.