Filings (90d)
0
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Gary K. Willis 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.
- Benjamin Toby Patrick Haycraft - $526K in PLUG purchases and sales in the last 12 months
- Maureen O. Helmer - $162K in PLUG purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Gary K. Willis?
Gary K. Willis is a corporate insider, tracked as Director of PLUG POWER INC (PLUG). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Gary K. Willis last file a Form 4?
The most recent primary Form 4 on record is dated 16 June 2026, one of 6 filings going back to 2024.
