Ticker | Value | Shares | Price | Security | Type | Insider | Title | Return | Flags | Date |
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Maureen O. Helmer currently holds 357,606 shares of PLUG POWER INC (PLUG), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Maureen O. Helmer has been a net seller of PLUG stock. They have purchased $29.5K and sold $3.7M worth of shares.
Maureen O. Helmer's most recent insider trade was on Oct 1, 2025, when they sold 11,803 shares at $2.33 per share.
Maureen O. Helmer serves as Executive at PLUG POWER INC (PLUG). They have executed 107 insider transactions totaling $3.7M over their tenure at the company.
Maureen O. Helmer holds the position of Executive at PLUG POWER INC, where they are responsible for executive-level decision-making and strategic oversight. They have been associated with the company for 20 years and currently hold a stake valued at $0.
Maureen O. Helmer has shown a selling trading pattern, with $29.5K in total purchases and $3.7M in total sales across all transactions. Their most recent activity indicates a tendency to reduce their position.
The largest transaction by Maureen O. Helmer was on Sep 18, 2020, when they sold $996.0K worth of PLUG shares. This transaction involved 75,000 shares at $13.28 per share.
Maureen O. Helmer currently owns 357,606 shares of PLUG POWER INC (PLUG), with an estimated value of $0. This stake represents their equity holdings accumulated through purchases, awards, and option exercises.
All of Maureen O. Helmer's SEC Form 4 insider trading filings are tracked on this page. Each transaction links directly to the official SEC EDGAR filing. Maureen O. Helmer has 107 Form 4 filings on record as an insider at PLUG POWER INC.
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