PLUG insider transaction filings
PLUG POWER INC — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-15. Screen PLUG transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 11 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 2 legs across 1 filing by 1 insider — 32,560 shares, $68,178 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 15.
- Largest priced transaction: sale of 18,750 shares @ $2.06 ($38,625) by Haycraft Benjamin, filed 2026-09-15.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Haycraft Benjamin — CSO & GM EMEA | 2 | — | 2 legs · 32,560 sh · $68,178 | 2 |
| Conway Gerard L JR — Gen. Coun, Corp Sec., Exec. VP | 1 | — | — | 2 |
| Crespo Jose Luis — See Remarks | 1 | — | — | 2 |
| Fullerton Dean — Chief Operating Officer | 1 | — | — | 2 |
| MIDDLETON PAUL B — CFO & Executive VP | 1 | — | — | 2 |
| Angle Colin M — Director | 1 | — | — | 1 |
| BONNEY MARK J — Director | 1 | — | — | 1 |
| Joggerst Patrick — Director | 1 | — | — | 1 |
| Kenausis Gregory — Director | 1 | — | — | 1 |
| Marsh Andrew — Director | 1 | — | — | 1 |
Recent Form 4 filings — PLUG POWER INC
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-15 | 4 | Haycraft Benjamin — CSO & GM EMEA | Sale (S): 13,810 @ $2.14 · Sale (S): 18,750 @ $2.06 | EDGAR |
| 2026-07-06 | 4 | Kenausis Gregory — Director | Grant/award (A): 3,980 @ $2.71 | EDGAR |
| 2026-07-06 | 4 | Joggerst Patrick — Director | Grant/award (A): 7,644 @ $2.71 | EDGAR |
| 2026-07-06 | 4 | Haycraft Benjamin — CSO & GM EMEA | Grant/award (A): 357,143 (derivative) @ $0 · Grant/award (A): 362,694 (derivative) @ $0 | EDGAR |
| 2026-07-06 | 4 | BONNEY MARK J — Director | Grant/award (A): 8,764 @ $2.71 | EDGAR |
| 2026-07-06 | 4 | Angle Colin M — Director | Grant/award (A): 3,558 @ $2.71 | EDGAR |
| 2026-07-02 | 4 | Marsh Andrew — Director | Grant/award (A): 72,469 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | MIDDLETON PAUL B — CFO & Executive VP | Grant/award (A): 389,105 @ $0 · Grant/award (A): 510,204 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | Conway Gerard L JR — Gen. Coun, Corp Sec., Exec. VP | Grant/award (A): 357,143 (derivative) @ $0 · Grant/award (A): 362,694 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | Fullerton Dean — Chief Operating Officer | Grant/award (A): 408,163 (derivative) @ $0 · Grant/award (A): 414,508 (derivative) @ $0 | EDGAR |
| 2026-06-29 | 4 | Crespo Jose Luis — See Remarks | Grant/award (A): 765,306 (derivative) @ $0 · Grant/award (A): 777,202 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | Marsh Andrew — Director | Grant/award (A): 163,638 (derivative) @ $0 · Grant/award (A): 87,260 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | WILLIS GARY K — Director | Grant/award (A): 39,753 @ $0 · Grant/award (A): 39,753 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | Kenausis Gregory — Director | Grant/award (A): 39,753 @ $0 · Grant/award (A): 39,753 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | Joggerst Patrick — Director | Grant/award (A): 39,753 @ $0 · Grant/award (A): 39,753 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | HELMER MAUREEN O — Director | Grant/award (A): 39,753 @ $0 · Grant/award (A): 39,753 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | BONNEY MARK J — Director | Grant/award (A): 39,753 @ $0 · Grant/award (A): 39,753 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | Angle Colin M — Director | Grant/award (A): 39,753 @ $0 · Grant/award (A): 39,753 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | MCNAMEE GEORGE C — Director | Grant/award (A): 39,753 @ $0 · Grant/award (A): 39,753 (derivative) @ $0 | EDGAR |
| 2026-06-10 | 4 | HELMER MAUREEN O — Director | Sale (S): 50,000 @ $3.23 | EDGAR |
| 2026-04-10 | 4 | Kenausis Gregory — Director | Grant/award (A): 8,712 @ $2.26 | EDGAR |
| 2026-04-10 | 4 | Mahtani Kavita — Director | Grant/award (A): 9,956 @ $2.26 | EDGAR |
| 2026-04-10 | 4 | Angle Colin M — Director | Grant/award (A): 3,872 @ $2.26 | EDGAR |
| 2026-04-10 | 4 | BONNEY MARK J — Director | Grant/award (A): 10,509 @ $2.26 | EDGAR |
| 2026-04-10 | 4 | Joggerst Patrick — Director | Grant/award (A): 8,850 @ $2.26 | EDGAR |
| 2026-04-10 | 4 | Marsh Andrew — Director | Grant/award (A): 3,688 @ $2.26 | EDGAR |
| 2026-01-14 | 4 | Haycraft Benjamin — CSO & GM EMEA | Sale (S): 40,000 @ $2.17 | EDGAR |
| 2026-01-06 | 4 | Mahtani Kavita — Director | Grant/award (A): 11,421 @ $1.97 | EDGAR |
| 2026-01-06 | 4 | Kenausis Gregory — Director | Grant/award (A): 9,994 @ $1.97 | EDGAR |
| 2026-01-06 | 4 | Joggerst Patrick — Director | Grant/award (A): 10,152 @ $1.97 | EDGAR |
| 2026-01-06 | 4 | HELMER MAUREEN O — Director | Grant/award (A): 13,959 @ $1.97 | EDGAR |
| 2026-01-06 | 4 | BONNEY MARK J — Director | Grant/award (A): 12,056 @ $1.97 | EDGAR |
| 2026-01-06 | 4 | Angle Colin M — Director | Grant/award (A): 5,076 @ $1.97 | EDGAR |
| 2026-01-06 | 4 | WILLIS GARY K — Director | Grant/award (A): 16,497 @ $1.97 | EDGAR |
| 2026-01-06 | 4 | MCNAMEE GEORGE C — Director | Grant/award (A): 13,008 @ $1.97 | EDGAR |
| 2025-12-17 | 4 | Crespo Jose Luis — See Remarks | Purchase (P): 37,300 @ $2.34 | EDGAR |
| 2025-12-12 | 4 | Haycraft Benjamin — CSO & GM EMEA | Sale (S): 10,000 @ $3.80 · Tax withholding (F): 7,817 @ $3.48 · Tax withholding (F): 35,957 @ $2.51 · Sale (S): 40,000 @ $2.20 | EDGAR |
| 2025-12-03 | 4 | Marsh Andrew — CEO, Director | Grant/award (A): 12,203 @ $2.01 | EDGAR |
| 2025-11-12 | 4 | Haycraft Benjamin — CSO & EVP of EMEA Region | Sale (S): 10,000 @ $2.92 | EDGAR |
| 2025-11-04 | 4 | Marsh Andrew — CEO, Director | Grant/award (A): 9,415 @ $2.69 | EDGAR |
| 2025-10-07 | 4 | Marsh Andrew — CEO, Director | Grant/award (A): 18,324 @ $3.81 | EDGAR |
| 2025-10-03 | 4 | Mahtani Kavita — Director | Grant/award (A): 9,657 @ $2.33 | EDGAR |
| 2025-10-03 | 4 | Kenausis Gregory — Director | Grant/award (A): 8,450 @ $2.33 | EDGAR |
| 2025-10-03 | 4 | Joggerst Patrick — Director | Grant/award (A): 8,584 @ $2.33 | EDGAR |
| 2025-10-03 | 4 | HELMER MAUREEN O — Director | Grant/award (A): 11,803 @ $2.33 | EDGAR |
| 2025-10-03 | 4 | BONNEY MARK J — Director | Grant/award (A): 10,193 @ $2.33 | EDGAR |
| 2025-10-03 | 4 | Angle Colin M — Director | Grant/award (A): 4,292 @ $2.33 | EDGAR |
| 2025-10-03 | 4 | WILLIS GARY K — Director | Grant/award (A): 13,948 @ $2.33 | EDGAR |
| 2025-10-03 | 4 | MCNAMEE GEORGE C — Director | Grant/award (A): 10,998 @ $2.33 | EDGAR |
| 2025-09-18 | 4 | Haycraft Benjamin — CSO & GM of EMEA Region | Sale (S): 10,972 @ $1.59 | EDGAR |
Recent 8-K events — PLUG POWER INC
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-10 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-13 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-15 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 8.01 — Other Events | EDGAR |
| 2026-06-11 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-04 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-05-11 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-10 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-03-02 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-26 | 8-K | 1.01 — Entry into a Material Definitive Agreement 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-13 | 8-K | 5.03 — Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
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