// company-profile
Plug Power Inc
PLUG// activity-summary
Recent insider activity is bullish. Over the last 30 days, 14 insiders purchased shares. Buying was led by BONNEY MARK J.
// 90-day insight
Over the last 90 days, Plug Power Inc insiders bought $103K across 21 transactions with no open-market sales.
- Most active insider: HELMER MAUREEN O with 3 transactions totaling $162K.
- Largest single sale: $162K by HELMER MAUREEN O on Jun 8, 2026.
- 100% of recent sales were pre-scheduled 10b5-1 trades — typically less informative than open-market activity.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Plug Power Inc as of 2026-03-31
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 11, 2026 | BONNEY MARK J | PLUG | Award | 39,753 | $0.00 | $0K |
| Jun 11, 2026 | Angle Colin M | PLUG | Award | 39,753 | $0.00 | $0K |
| Jun 11, 2026 | BONNEY MARK J | PLUG | Award | 39,753 | $0.00 | $0K |
| Jun 11, 2026 | Angle Colin M | PLUG | Award | 39,753 | $0.00 | $0K |
| Jun 11, 2026 | Joggerst Patrick | PLUG | Award | 39,753 | $0.00 | $0K |
45 more transactions hidden
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