ESS Tech Inc
Veridion Score
Composite trend over time
Why is GWH moving today?
ESS Tech Inc is a long-duration energy storage company specializing in iron flow battery technology. It develops and manufactures long-duration energy storage systems based on iron flow battery technology. The company's batteries use earth-abundant materials, including iron, salt, and water, and are designed for high cycle life and recyclability. It operates as a single business operating segment, which includes all activities related to the design, engineering, and manufacturing of the company's long duration energy storage products. The company's revenue is derived from the sale of its energy storage products and from service contracts.
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Warehouse intelligence for GWH.
GWH insider activity
ESS Tech Inc
No multi-insider buying cluster in the last 90 days
Net selling: -$10K across loaded Form 4 rows.
Loaded official disclosures do not show all three sources aligned on this ticker.
| Filing date | Trade date | Insider | Title | Type | Price | Qty | Owned | Value | Receipt |
|---|---|---|---|---|---|---|---|---|---|
| 2026-06-08 | 2026-06-04 | Buckley Drew P | Insider | buy | $1.03 | 25,000 | 25,000 | $26K | SEC Form 4 |
| 2026-05-26 | 2026-05-22 | Suhadolnik Kate Eileen | Insider | sell | $0.93 | 1,922 | 160,757 | $2K | SEC Form 4 |
| 2026-05-26 | 2026-05-22 | Goodman Kelly F. | Insider | sell | $0.93 | 2,751 | 210,620 | $3K | SEC Form 4 |
| 2026-05-26 | 2026-05-21 | Suhadolnik Kate Eileen | Insider | sell | $0.92 | 1,735 | 162,679 | $2K | SEC Form 4 |
| 2026-05-26 | 2026-05-21 | Goodman Kelly F. | Insider | sell | $0.92 | 2,482 | 213,371 | $2K | SEC Form 4 |
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Registered lobbying filings matched to ESS Tech Inc.
FIDELITY STRATEGIES
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