Maureen O. Helmer
Director · PLUG POWER INC
- 2024
- Jun 16, 2026
- 7
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Maureen O. Helmer 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
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is Maureen O. Helmer?
Maureen O. Helmer is a corporate insider, tracked as Director of PLUG POWER INC (PLUG). InsiderAlpha holds 7 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Maureen O. Helmer last file a Form 4?
The most recent primary Form 4 on record is dated 16 June 2026, one of 7 filings going back to 2024.
Has Maureen O. Helmer been buying or selling stock?
Recorded transactions: 0 open-market purchases and 1 open-market sale ($162K) across all tracked filings.
