Quick Takeaways
- PLUG - PLUG POWER INC has 25 insiders with reported activity on this page.
- Net insider value flow over the last year: +$701,026.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 25 Insiders of PLUG POWER INC
- Symbol
- PLUG on Nasdaq
- Location
- Slingerlands, NY
What Changed
- Buy value: $1,009,707; sell value: $308,681.
- Net share flow: +889,028.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to buying over the last 12 months. Net value: +$701,026.
Buys
$1,009,707
Shares: 1,037,300
Insiders: 2
Sells
$308,681
Shares: 148,272
Insiders: 2
Net
+$701,026
Shares: +889,028
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 37,300 | 90,000 | $87,282 | $204,000 | -$116,718 |
| 6-9 | 0 | 20,972 | $0 | $55,445 | -$55,445 |
| 9-12 | 1,000,000 | 37,300 | $922,425 | $49,236 | +$873,189 |
PLUG POWER INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Paul B. Middleton | Chief Financial Officer, Chief Accounting Officer & Executive VP | $2,690,180 | +$922,425 | +52% | Mixed | 09 Jun 2025 |
| Keith Schmid | GM New Mkts & Pres New Prd Dv | $2,344,415 | Mixed | 29 Sep 2023 | ||
| George C. Mcnamee | Director | $2,233,052 | Mixed | 02 Jan 2026 | ||
| Andrew Marsh | Director | $2,204,078 | Median | 01 Apr 2026 | ||
| Keith Schmidt | GM New Mkts & Pres New Prd Dv | $2,082,457 | Mixed | 19 Aug 2022 | ||
| Gary K. Willis | Director | $1,359,997 | Mixed | 02 Jan 2026 | ||
| Dirk Ole Hoefelmann | GM, Electrolyzers & Exec VP | $1,267,115 | Mixed | 03 Mar 2023 | ||
| Gregory Kenausis | Director | $1,063,734 | Median | 01 Apr 2026 | ||
| Johannes Minho Roth | Director | $1,055,849 | Mixed | 01 Jul 2022 | ||
| David Mindnich | EVP, Global Manufacturing | $844,394 | Mixed | 05 Sep 2023 | ||
| Jose Luis Crespo | President & Chief Revenue Officer | $840,530 | +$38,046 | +4.7% | Mixed | 15 Dec 2025 |
| Sanjay K. Shrestha | CSO & GM, Energy Solutions | $756,734 | Mixed | 26 Apr 2024 | ||
| Helmer Maureen O | Director | $731,983 | Mixed | 02 Jan 2026 | ||
| Benjamin Haycraft | Cso & Gm Emea | $724,365 | -$259,445 | -26% | Filing P/S | 12 Jan 2026 |
| Lucas P. Schneider | Director | $608,859 | Mixed | 03 Apr 2023 | ||
| Kavita Mahtani | Director | $542,054 | Median | 01 Apr 2026 | ||
| Mark J. Bonney | Director | $504,009 | Median | 01 Apr 2026 | ||
| Patrick Joggerst | Director | $465,078 | Median | 01 Apr 2026 | ||
| Jonathan M. Silver | Director | $340,718 | Mixed | 03 Jul 2023 | ||
| Gerard L. Conway Jr. | Gen. Coun, Corp Sec., Exec. VP | $311,344 | Mixed | 04 Sep 2025 | ||
| Martin Daniel Hull | Corporate Controller and CAO | $271,526 | Mixed | 06 Apr 2025 | ||
| Colin M. Angle | Director | $248,127 | Median | 01 Apr 2026 | ||
| Jean A. Bua | Director | $102,011 | Mixed | 03 Jul 2023 | ||
| Kim Harriman | Director | $29,120 | Mixed | 01 Jul 2022 | ||
| Dean Fullerton | Chief Operating Officer | Mixed | 04 Sep 2025 |
Top shareholders of PLUG POWER INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
|
Company |
10%
|
146,967,765
|
$332,147,149 | +$110,252,371 | 31 Mar 2026 | |
| VANGUARD GROUP INC |
13F
|
Company |
9.3%
|
129,599,295
|
$255,310,612 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.3%
|
32,258,283
|
$63,548,818 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.2%
|
31,268,670
|
$61,611,190 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
2%
|
28,371,995
|
$55,892,830 | — | 31 Dec 2025 | |
| Grove Energy Capital LLC |
13D/G
|
— |
4.8%
|
54,966,188
|
$51,118,555 | $0 | 06 Jun 2025 | |
| UBS Group AG |
13F
|
Company |
1.8%
|
25,474,861
|
$50,185,476 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
1.6%
|
22,111,898
|
$43,560,439 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1%
|
14,679,617
|
$28,918,846 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1%
|
14,052,600
|
$27,683,622 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.8%
|
11,234,464
|
$22,131,894 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.79%
|
11,018,584
|
$21,706,610 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.78%
|
10,986,091
|
$21,642,599 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.74%
|
10,291,428
|
$20,274,113 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.71%
|
9,973,389
|
$19,647,576 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.66%
|
9,256,428
|
$18,235,163 | — | 31 Dec 2025 | |
| Legal & General Group Plc |
13F
|
Company |
0.66%
|
9,232,431
|
$18,187,890 | — | 31 Dec 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
0.63%
|
8,772,273
|
$17,248,737 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.62%
|
8,608,174
|
$16,958,103 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.57%
|
7,975,021
|
$15,710,791 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.5%
|
6,965,714
|
$13,722,457 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.44%
|
6,091,086
|
$11,999,439 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.43%
|
5,951,138
|
$11,723,742 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.38%
|
5,314,297
|
$10,468,573 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.37%
|
5,211,698
|
$10,267,045 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.36%
|
5,067,762
|
$9,983,491 | — | 31 Dec 2025 | |
| VAN ECK ASSOCIATES CORP |
13F
|
Company |
0.31%
|
4,362,505
|
$8,594,000 | — | 31 Dec 2025 | |
| NORGES BANK |
13D/G
13F
|
Company |
0.4%
|
5,006,031
|
$7,458,986 | $0 | 30 Jun 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.27%
|
3,719,037
|
$7,326,502 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.26%
|
3,681,092
|
$7,251,751 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.26%
|
3,675,646
|
$7,241,023 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.26%
|
3,622,676
|
$7,136,673 | — | 31 Dec 2025 | |
| CITIGROUP INC |
13F
|
Company |
0.25%
|
3,460,604
|
$6,817,390 | — | 31 Dec 2025 | |
| Amundi |
13F
|
Individual |
0.22%
|
3,070,072
|
$6,048,042 | — | 31 Dec 2025 | |
| Baird Financial Group, Inc. |
13F
|
Company |
0.22%
|
3,069,719
|
$6,047,346 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.21%
|
3,008,899
|
$5,927,531 | — | 31 Dec 2025 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
0.21%
|
2,937,742
|
$5,787,358 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.21%
|
2,909,306
|
$5,731,333 | — | 31 Dec 2025 | |
| Vontobel Holding Ltd. |
13F
|
Company |
0.18%
|
2,539,926
|
$5,003,654 | — | 31 Dec 2025 | |
| CANADA LIFE ASSURANCE Co |
13F
|
Company |
0.17%
|
2,436,271
|
$4,800,000 | — | 31 Dec 2025 | |
| PINNACLE ASSOCIATES LTD |
13F
|
Company |
0.16%
|
2,297,851
|
$4,526,766 | — | 31 Dec 2025 | |
| Swiss National Bank |
13F
|
Company |
0.16%
|
2,216,388
|
$4,366,284 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.15%
|
2,168,121
|
$4,271,198 | — | 31 Dec 2025 | |
| Handelsbanken Fonder AB |
13F
|
Company |
0.14%
|
1,987,188
|
$3,915,000 | — | 31 Dec 2025 | |
| ALPS ADVISORS INC |
13F
|
Company |
0.14%
|
1,983,911
|
$3,908,305 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.14%
|
1,964,774
|
$3,870,605 | — | 31 Dec 2025 | |
| LPL Financial LLC |
13F
|
Company |
0.13%
|
1,759,749
|
$3,466,705 | — | 31 Dec 2025 | |
| Zurcher Kantonalbank (Zurich Cantonalbank) |
13F
|
Company |
0.12%
|
1,715,056
|
$3,378,660 | — | 31 Dec 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.12%
|
1,693,644
|
$3,336,465 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.11%
|
1,560,186
|
$3,073,567 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for PLUG POWER INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Gregory Kenausis | PLUG | Common Stock | Award | 1.89% | 8,712 | 470,679 | 01 Apr 2026 | Direct | ||
| Kavita Mahtani | PLUG | Common Stock | Award | 4.33% | 9,956 | 239,847 | 01 Apr 2026 | Direct | ||
| Colin M. Angle | PLUG | Common Stock | Award | 3.66% | 3,872 | 109,791 | 01 Apr 2026 | Direct | ||
| Mark J. Bonney | PLUG | Common Stock | Award | 4.95% | 10,509 | 223,013 | 01 Apr 2026 | Direct | ||
| Patrick Joggerst | PLUG | Common Stock | Award | 4.49% | 8,850 | 205,787 | 01 Apr 2026 | Direct | ||
| Andrew Marsh | PLUG | Common Stock | Award | 0.43% | 3,688 | 853,378 | 01 Apr 2026 | Direct | ||
| Benjamin Haycraft | PLUG | Common Stock | Sale | -10.7% | $86,800 | $2.17 | -40,000 | 333,809 | 12 Jan 2026 | Direct |
| George C. Mcnamee | PLUG | Common Stock | Award | 1.59% | 13,008 | 833,529 | 02 Jan 2026 | Direct | ||
| Kavita Mahtani | PLUG | Common Stock | Award | 5.23% | 11,421 | 229,891 | 02 Jan 2026 | Direct | ||
| Gregory Kenausis | PLUG | Common Stock | Award | 2.21% | 9,994 | 461,967 | 02 Jan 2026 | Direct | ||
| Patrick Joggerst | PLUG | Common Stock | Award | 5.44% | 10,152 | 196,937 | 02 Jan 2026 | Direct | ||
| Helmer Maureen O | PLUG | Common Stock | Award | 3.9% | 13,959 | 371,565 | 02 Jan 2026 | Direct | ||
| Mark J. Bonney | PLUG | Common Stock | Award | 6.01% | 12,056 | 212,504 | 02 Jan 2026 | Direct | ||
| Colin M. Angle | PLUG | Common Stock | Award | 5.03% | 5,076 | 105,919 | 02 Jan 2026 | Direct | ||
| Gary K. Willis | PLUG | Common Stock | Award | 2.45% | 16,497 | 690,354 | 02 Jan 2026 | Direct | ||
| Jose Luis Crespo | PLUG | Common Stock | Purchase | 13.8% | $87,282 | $2.34 | 37,300 | 307,332 | 15 Dec 2025 | Direct |
| Benjamin Haycraft | PLUG | Common Stock | Sale | -9.67% | $88,000 | $2.20 | -40,000 | 373,809 | 10 Dec 2025 | Direct |
| Andrew Marsh | PLUG | Common Stock | Award | 1.33% | 12,203 | 930,546 | 28 Nov 2025 | Direct | ||
| Benjamin Haycraft | PLUG | Common Stock | Sale | -2.09% | $29,200 | $2.92 | -10,000 | 467,583 | 10 Nov 2025 | Direct |
| Benjamin Haycraft | PLUG | Common Stock | Tax liability | -7.99% | -35,957 | 413,809 | 07 Nov 2025 | Direct | ||
| Andrew Marsh | PLUG | Common Stock | Award | 1.04% | 9,415 | 918,343 | 31 Oct 2025 | Direct | ||
| Benjamin Haycraft | PLUG | Common Stock | Tax liability | -1.71% | -7,817 | 449,766 | 17 Oct 2025 | Direct | ||
| Benjamin Haycraft | PLUG | Common Stock | Sale | -2.14% | $38,000 | $3.80 | -10,000 | 457,583 | 10 Oct 2025 | Direct |
| Andrew Marsh | PLUG | Common Stock | Award | 2.06% | 18,324 | 908,928 | 03 Oct 2025 | Direct | ||
| Kavita Mahtani | PLUG | Common Stock | Award | 4.62% | 9,657 | 218,470 | 01 Oct 2025 | Direct | ||
| Gregory Kenausis | PLUG | Common Stock | Award | 1.91% | 8,450 | 451,973 | 01 Oct 2025 | Direct | ||
| Patrick Joggerst | PLUG | Common Stock | Award | 4.82% | 8,584 | 186,785 | 01 Oct 2025 | Direct | ||
| Helmer Maureen O | PLUG | Common Stock | Award | 3.41% | 11,803 | 357,606 | 01 Oct 2025 | Direct | ||
| Mark J. Bonney | PLUG | Common Stock | Award | 5.36% | 10,193 | 200,448 | 01 Oct 2025 | Direct | ||
| Colin M. Angle | PLUG | Common Stock | Award | 4.45% | 4,292 | 100,843 | 01 Oct 2025 | Direct | ||
| Gary K. Willis | PLUG | Common Stock | Award | 2.11% | 13,948 | 673,857 | 01 Oct 2025 | Direct | ||
| George C. Mcnamee | PLUG | Common Stock | Award | 1.36% | 10,998 | 820,521 | 01 Oct 2025 | Direct | ||
| Benjamin Toby Patrick Haycraft | PLUG | Common Stock | Sale | -2.25% | $17,445 | $1.59 | -10,972 | 477,583 | 16 Sep 2025 | Direct |
| Benjamin Toby Patrick Haycraft | PLUG | Stock Option (Right to Buy) | Award | 1,000,000 | 1,000,000 | 04 Sep 2025 | Direct | |||
| Dean Fullerton | PLUG | Stock Option (Right to Buy) | Award | 1,000,000 | 1,000,000 | 04 Sep 2025 | Direct | |||
| Andrew Marsh | PLUG | Stock Option (Right to Buy) | Award | 2,250,000 | 2,250,000 | 04 Sep 2025 | Direct | |||
| Jose Luis Crespo | PLUG | Stock Option (Right to Buy) | Award | 1,000,000 | 1,000,000 | 04 Sep 2025 | Direct | |||
| Gerard L. Conway Jr. | PLUG | Stock Option (Right to Buy) | Award | 1,000,000 | 1,000,000 | 04 Sep 2025 | Direct | |||
| Andrew Marsh | PLUG | Common Stock | Award | 2.12% | 18,471 | 890,604 | 29 Aug 2025 | Direct | ||
| Andrew Marsh | PLUG | Common Stock | Award | 2.34% | 19,968 | 872,133 | 01 Aug 2025 | Direct | ||
| Andrew Marsh | PLUG | Common Stock | Award | 4.69% | 38,156 | 852,165 | 04 Jul 2025 | Direct | ||
| George C. Mcnamee | PLUG | Common Stock | Award | 10.4% | 76,531 | 809,523 | 03 Jul 2025 | Direct | ||
| George C. Mcnamee | PLUG | Stock Option (Right to Buy) | Award | 76,531 | 76,531 | 03 Jul 2025 | Direct | |||
| Kavita Mahtani | PLUG | Common Stock | Award | 57.8% | 76,531 | 208,813 | 03 Jul 2025 | Direct | ||
| Kavita Mahtani | PLUG | Stock Option (Right to Buy) | Award | 76,531 | 76,531 | 03 Jul 2025 | Direct | |||
| Gregory Kenausis | PLUG | Common Stock | Award | 20.8% | 76,531 | 443,523 | 03 Jul 2025 | Direct | ||
| Gregory Kenausis | PLUG | Stock Option (Right to Buy) | Award | 76,531 | 76,531 | 03 Jul 2025 | Direct | |||
| Patrick Joggerst | PLUG | Common Stock | Award | 75.3% | 76,531 | 178,201 | 03 Jul 2025 | Direct | ||
| Patrick Joggerst | PLUG | Stock Option (Right to Buy) | Award | 76,531 | 76,531 | 03 Jul 2025 | Direct | |||
| Helmer Maureen O | PLUG | Common Stock | Award | 28.4% | 76,531 | 345,803 | 03 Jul 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.