Key facts
- This page summarizes Kate Eileen Suhadolnik's Form 3 filing for ESS Tech, Inc. (GWH).
- 0 reported transactions and 0 derivative rows are listed below.
- Accepted by SEC: 28 Aug 2025, 18:24.
Kate Eileen Suhadolnik - 01 Aug 2025 Form 3 Insider Report for ESS Tech, Inc. (GWH)
- Reporting relationship
- Interim CFO
- Issuer ticker
- GWH
- Reported as of
- 01 Aug 2025
- Net transaction value
- $0
- SEC form
- 3
- Accepted by SEC
- 28 Aug 2025, 18:24:03 UTC
- Next SEC filing
- 29 Aug 2025
- Source filing
- View source filing
- Reporting owner signature
- /s/ Bianca Boschmans, by power of attorney
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 3 for ESS Tech, Inc. (GWH) on 28 Aug 2025.
Change
- No earlier filing in this sequence is available for direct comparison.
- Current net transaction value: $0.
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
Official SEC source
View source filing
Ownership activity is grounded in SEC Form 3 disclosures.
Reporting Owners (1)
CIK 0002083724
Primary reporting owner
Suhadolnik Kate Eileen
- Relationship
- Interim CFO
- Address
- C/O ESS TECH, INC., 26440 SW PARKWAY AVE., BLDG. 83, WILSONVILLE
- Signature
- /s/ Bianca Boschmans, by power of attorney
- Signature date
- 28 Aug 2025
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
GWH
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 30,186
- Date
- 01 Aug 2025
- 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
Of the reported shares, 23,805 are represented by restricted stock units, or RSUs, awarded prior to the date on which the reporting person became subject to Section 16. An award representing 394 RSUs was awarded on December 23, 2021. The remaining 48 RSUs vest in two equal quarterly installments beginning on August 20, 2025. An award representing 184 RSUs was awarded on February 8, 2022. The remaining 33 RSUs vest in three equal quarterly installments beginning on August 20, 2025. An award representing 821 RSUs was awarded on November 2, 2022. The remaining 128 RSUs vest in two equal quarterly installments beginning on August 20, 2025.
Footnote F2
An award representing 5,351 RSUs was awarded on March 13, 2023. The remaining 2,338 RSUs vest in seven equal quarterly installments beginning on August 20, 2025. An award representing 5,867 RSUs was awarded on February 15, 2024. The remaining 4,032 RSUs vest in eleven equal quarterly installments beginning on August 20, 2025. An award representing 18,375 RSUs was awarded on April 13, 2025. The remaining 17,226 RSUs vest in fifteen equal quarterly installments beginning on August 20, 2025.
SEC remarks
Exhibit 24.1 Power of Attorney