Plug Power Inc. (PLUG) Insider Trading
Directors, officers and holders of more than 10% of PLUG report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 145 transactions on file: 0 with code P, 6 with code S and 44 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 15, 2026 | Haycraft Benjamin | CSO & GM EMEA | S Sale | 9,375 | $1.41 | $13,219 |
| Oct 1, 2026 | Kenausis Gregory | Director | A Award | 5,928 | $1.94 | $11,500 |
| Oct 1, 2026 | BONNEY MARK J | Director | A Award | 12,242 | $1.94 | $23,749 |
| Oct 1, 2026 | Angle Colin M | Director | A Award | 6,121 | $1.94 | $11,875 |
| Oct 1, 2026 | Joggerst Patrick | Director | A Award | 11,598 | $1.94 | $22,500 |
| Sep 30, 2026 | Marsh Andrew | Director | A Award | 101,699 | Not measured | Not measured |
| Sep 18, 2026 | Haycraft Benjamin | CSO & GM EMEA | S Sale | 200,000 | $2.14 | $428,300 |
| Sep 15, 2026 | Haycraft Benjamin | CSO & GM EMEA | S Sale | 18,750 | $2.06 | $38,625 |
| Sep 11, 2026 | Haycraft Benjamin | CSO & GM EMEA | S Sale | 13,810 | $2.14 | $29,553 |
| Jul 1, 2026 | Kenausis Gregory | Director | A Award | 3,980 | $2.71 | $10,786 |
| Jul 1, 2026 | Angle Colin M | Director | A Award | 3,558 | $2.71 | $9,642 |
| Jul 1, 2026 | Joggerst Patrick | Director | A Award | 7,644 | $2.71 | $20,715 |
| Jul 1, 2026 | BONNEY MARK J | Director | A Award | 8,764 | $2.71 | $23,750 |
| Jun 30, 2026 | Marsh Andrew | Director | A Award | 72,469 | Not measured | Not measured |
| Jun 25, 2026 | MIDDLETON PAUL B | CFO & Executive VP | A Award | 389,105 | Not measured | Not measured |
| Jun 25, 2026 | Haycraft Benjamin | CSO & GM EMEA | A Award | 362,694 | Not measured | Not measured |
| Jun 25, 2026 | Conway Gerard L JR | Gen. Coun, Corp Sec., Exec. VP | A Award | 357,143 | Not measured | Not measured |
| Jun 25, 2026 | MIDDLETON PAUL B | CFO & Executive VP | A Award | 510,204 | Not measured | Not measured |
| Jun 25, 2026 | Haycraft Benjamin | CSO & GM EMEA | A Award | 357,143 | Not measured | Not measured |
| Jun 25, 2026 | Crespo Jose Luis | See Remarks | A Award | 777,202 | Not measured | Not measured |
| Jun 25, 2026 | Crespo Jose Luis | See Remarks | A Award | 765,306 | Not measured | Not measured |
| Jun 25, 2026 | Fullerton Dean | Chief Operating Officer | A Award | 408,163 | Not measured | Not measured |
| Jun 25, 2026 | Conway Gerard L JR | Gen. Coun, Corp Sec., Exec. VP | A Award | 362,694 | Not measured | Not measured |
| Jun 25, 2026 | Fullerton Dean | Chief Operating Officer | A Award | 414,508 | Not measured | Not measured |
| Jun 11, 2026 | MCNAMEE GEORGE C | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | HELMER MAUREEN O | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | BONNEY MARK J | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | Angle Colin M | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | WILLIS GARY K | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | Kenausis Gregory | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | Kenausis Gregory | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | HELMER MAUREEN O | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | Joggerst Patrick | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | BONNEY MARK J | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | Angle Colin M | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | WILLIS GARY K | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | Joggerst Patrick | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 11, 2026 | MCNAMEE GEORGE C | Director | A Award | 39,753 | Not measured | Not measured |
| Jun 8, 2026 | HELMER MAUREEN O | Director | S Sale | 50,000 | $3.23 | $161,620 |
| Apr 1, 2026 | Joggerst Patrick | Director | A Award | 8,850 | $2.26 | $20,001 |
| Apr 1, 2026 | Marsh Andrew | Director | A Award | 3,688 | $2.26 | $8,335 |
| Apr 1, 2026 | Mahtani Kavita | Director | A Award | 9,956 | $2.26 | $22,501 |
| Apr 1, 2026 | Angle Colin M | Director | A Award | 3,872 | $2.26 | $8,751 |
| Apr 1, 2026 | Kenausis Gregory | Director | A Award | 8,712 | $2.26 | $19,689 |
| Apr 1, 2026 | BONNEY MARK J | Director | A Award | 10,509 | $2.26 | $23,750 |
| Mar 31, 2026 | Marsh Andrew | Director | A Award | 87,260 | Not measured | Not measured |
| Mar 2, 2026 | Marsh Andrew | Director | A Award | 163,638 | Not measured | Not measured |
| Jan 12, 2026 | Haycraft Benjamin | CSO & GM EMEA | S Sale | 40,000 | $2.17 | $86,800 |
| Jan 2, 2026 | Angle Colin M | Director | A Award | 5,076 | $1.97 | $10,000 |
| Jan 2, 2026 | BONNEY MARK J | Director | A Award | 12,056 | $1.97 | $23,750 |
The full Form 4 history is on the PLUG company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.