Summary
Updated Aug 31, 2026
Eric P. Dresselhuys is Chief Executive Officer, Director of ESS Tech, Inc. (GWH). 1 SEC Form 4 filing on record, dated 18 November 2024. Most recent open-market trade: bought $5K of GWH on 18 November 2024. Lifetime open-market purchases: $5K.
Recent Transactions
1Every recent SEC Form 4 transaction Eric P. Dresselhuys has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Eric P. Dresselhuys go back to 2024: 1 primary Form 4 filing, an average of 0.3 per year. The typical open-market purchase is $5K (1 buy totaling $5K). The largest single buy on record is $5K of GWH in 2024. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Eric P. Dresselhuys files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Drew P. Buckley - $26K of GWH open-market activity in the last 12 months
- Kelly F. Goodman - $11K of GWH open-market activity in the last 12 months
- Kate Eileen Suhadolnik - $6K of GWH open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Eric P. Dresselhuys?
Eric P. Dresselhuys is a corporate insider, tracked as Chief Executive Officer, Director of ESS Tech, Inc. (GWH). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Eric P. Dresselhuys last file a Form 4?
The only primary Form 4 on record is dated 18 November 2024.
Has Eric P. Dresselhuys been buying or selling stock?
Recorded transactions: 1 open-market purchase ($5K) and 0 open-market sales across all tracked filings.
Where can I see all of Eric P. Dresselhuys's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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