Insider · CIK 0001279977
Maureen O Helmer
Files at PLUG (PLUG POWER INC). First filing Jun 10, 2026, latest Jun 10, 2026.
In brief
Maureen O Helmer files SEC Form 4 as director at PLUG (PLUG POWER INC). Since Jun 10, 2026, Maureen O Helmer has reported 0 open-market buys worth $0 and 1 open-market sell worth $162k, the latest filed on Jun 10, 2026.
A track record needs three past buys with six months of prices behind them; Maureen O Helmer has 0, so none is measured yet.
The newest scored trade: sold $162k of PLUG on Jun 8, 2026, filed Jun 10, 2026, scored 11 (weak), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 1 sell worth $162k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
PLUG: PLUG POWER INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 11Weak | PLUG POWER INC | $162k 50,000 shares | -13% | +193% from low-23% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jun 8, 2026 | PLUG PLUG POWER INC | 50,000 0.00% of outstanding | $161k | Jun 8, 2026 | none |
Transactions
Every row this insider has filed, 10 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 11, 2026 | PLUG PLUG POWER INC | AGrant or award Common Stock | +39,753 | $0.00 | $0 | 361,318 | Jun 16, 2026 |
| Jun 11, 2026 | PLUG PLUG POWER INC | AGrant or award Stock Option (Right to Buy)derivative | +39,753 | $0.00 | $0 | 39,753 | Jun 16, 2026 |
| Jun 8, 2026 | PLUG PLUG POWER INC | SOpen-market sale Common Stock10b5-1 | -50,000 | $3.23 | $162k | 321,565 | Jun 10, 2026 |
| Jan 2, 2026 | PLUG PLUG POWER INC | AGrant or award Common Stock | +13,959 | $1.97 | $27k | 371,565 | Jan 6, 2026 |
| Oct 1, 2025 | PLUG PLUG POWER INC | AGrant or award Common Stock | +11,803 | $2.33 | $28k | 357,606 | Oct 3, 2025 |
| Jul 3, 2025 | PLUG PLUG POWER INC | AGrant or award Common Stock | +76,531 | $0.00 | $0 | 345,803 | Jul 24, 2025 |
| Jul 3, 2025 | PLUG PLUG POWER INC | AGrant or award Stock Option (Right to Buy)derivative | +76,531 | $0.00 | $0 | 76,531 | Jul 24, 2025 |
| Jul 1, 2025 | PLUG PLUG POWER INC | AGrant or award Common Stock | +18,456 | $1.49 | $27k | 269,272 | Jul 3, 2025 |
| Apr 1, 2025 | PLUG PLUG POWER INC | AGrant or award Common Stock | +20,370 | $1.35 | $27k | 250,816 | Apr 3, 2025 |
| Jan 2, 2025 | PLUG PLUG POWER INC | AGrant or award Common Stock | +12,911 | $2.13 | $28k | 230,446 | Jan 6, 2025 |
Questions about Maureen O Helmer
Answered from the filings on this page, as of the latest one.
Is Maureen O Helmer buying or selling?
In the last 12 months Maureen O Helmer reported 0 open-market buys worth $0 and 1 open-market sell worth $162k on SEC Form 4; the latest was sold $162k of PLUG on Jun 8, 2026. Grants, option exercises and tax withholding are not counted.
How did Maureen O Helmer's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Maureen O Helmer has 0.
Where does Maureen O Helmer file Form 4?
Maureen O Helmer has filed Form 4 at PLUG (PLUG POWER INC). A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.