New insider Suhadolnik Kate Eileen claimed ownership of 30,186 shares (SEC Form 3)
$GWH
Industrial Machinery/Components
Miscellaneous
| FORM 3 |
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940 |
|
|||||||||||||||
1. Name and Address of Reporting Person*
(Street)
|
2. Date of Event Requiring Statement
(Month/Day/Year) 08/01/2025 |
3. Issuer Name and Ticker or Trading Symbol
ESS Tech, Inc. [ GWH ] |
|||||||||||||
|
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
|
5. If Amendment, Date of Original Filed
(Month/Day/Year) |
||||||||||||||
6. Individual or Joint/Group Filing (Check Applicable Line)
| |||||||||||||||
| Table I - Non-Derivative Securities Beneficially Owned | |||
|---|---|---|---|
| 1. Title of Security (Instr. 4) | 2. Amount of Securities Beneficially Owned (Instr. 4) | 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) | 4. Nature of Indirect Beneficial Ownership (Instr. 5) |
| Common Stock | 30,186 | D(1)(2) | |
|
Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities) | |||||||
|---|---|---|---|---|---|---|---|
| 1. Title of Derivative Security (Instr. 4) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) | 4. Conversion or Exercise Price of Derivative Security | 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) | 6. Nature of Indirect Beneficial Ownership (Instr. 5) | ||
| Date Exercisable | Expiration Date | Title | Amount or Number of Shares | ||||
| Explanation of Responses: |
| 1. 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. |
| 2. 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. |
| Remarks: |
| Exhibit 24.1 Power of Attorney |
| /s/ Bianca Boschmans, by power of attorney | 08/28/2025 | |
| ** Signature of Reporting Person | Date | |
| Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. | ||
| * If the form is filed by more than one reporting person, see Instruction 5 (b)(v). | ||
| ** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). | ||
| Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure. | ||
| Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number. | ||