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ESS Tech, Inc. (GWH) Insider Trading

ESS Tech, Inc. (GWH) has 2 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 2 sales totalling $4K. Most recent filing: Aug. 24, 2026.

Bought vs sold

Open-market value, last 90 days

Sold: $4K (100%)
  • Sold $4K · 100%

What insiders filed

Form 4 filings by type, last 90 days

Sales: 2 (100%)
  • Sales 2 · 100%

At a glance

Insiders trading
2
Largest buy
—
Most recent filing
Aug 24, 2026

Latest GWH Form 4 filings

Date Insider Trade Value Price since buy
Aug 24, 2026 SEC filing Suhadolnik Kate Eileen Chief Financial Officer Sold $1,579 —
Aug 24, 2026 SEC filing Goodman Kelly F. SEE REMARKS Sold $2,172 —

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About this data

Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.