| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
Maureen O Helmer is Director at PLUG. Maureen O Helmer's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $509K at current prices.
The PLUG filings lean toward selling, a net 450,475 shares.
Maureen O Helmer has 54 Form 4 filings on record from October 2016 to June 2026, all as Director at Plug Power (PLUG), 2016–2026.
The 75 reported transactions were 48 stock awards, 10 option or other derivative awards, 9 option exercises and 8 open-market sales.
Counted by filing, the open-market trades come to no purchases and 7 sales worth about $3.8M.
The largest open-market sale was 75,000 shares of PLUG at an average $13.28 on September 18, 2020, about $996K.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 8, 2026 | PLUG Plug Power Inc. | Director | Sell10b5-1 | 50,000 | $3.23 | $161,620.00 | -13.5% | -29.2% | - | |
| Dec 17, 2020 | PLUG Plug Power Inc | Director | Sell | 10,000 | $30.00 | $300,000.00 | -8.1% | - | - | |
| Dec 14, 2020 | PLUG Plug Power Inc | Director | Sell | 15,311 | $26.13 | $400,111.24 | -11.0% | - | - | |
| Oct 5, 2020 | PLUG Plug Power Inc | Director | Sell | 35,000 | $15.00 | $525,000.00 | -20.1% | - | - | |
| Sep 18, 2020 | PLUG Plug Power Inc | Director | Sell | 75,000 | $13.28 | $996,232.50 | -30.2% | - | - | |
| Jun 23, 2020 | PLUG Plug Power Inc | Director | Sale+OE | 150,164 | $6.29 | $944,546.58 | -37.8% | - | - | |
| Apr 16, 2020 | PLUG Plug Power Inc | Director | Sale+OE | 115,000 | $4.29 | $492,901.50 | -32.9% | - | - |