Plug Power (PLUG)
Plug Power on one page: short interest, daily short volume, fails to deliver, planned sales, large holders, 13F holders, financials, earnings dates and insider trades. Listed on Nasdaq, classified by the SEC as electrical industrial apparatus.
292.0M
Short interest
settlement 2026-10-15
5.7
Days to cover
-0.1 days vs prior
64.4%
Short share of volume
2026-11-02
1,269
Fails to deliver
settlement 2026-10-14
Mon 1 Mar
Next earnings
estimated date
-$510K
Insider flow, 90 days
0 buys, 4 sells
As of 2026-11-02.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in PLUG is 291,955,349 shares, up 4,695,211 shares over the last month. Over the last 48 readings it ranged from 195,294,227 shares (29 November 2024) to 383,764,248 shares (30 September 2025). At the reported average volume of 50.9M shares a day that is 5.7 days to cover.
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| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 291,955,349 | +2.6% | 50,938,965 | 5.73 |
| 2026-09-30 | 284,616,311 | -0.9% | 48,712,548 | 5.84 |
| 2026-09-15 | 287,260,138 | -1.3% | 47,196,152 | 6.09 |
| 2026-08-31 | 290,960,720 | +0.0% | 56,085,838 | 5.19 |
| 2026-08-14 | 290,919,389 | -1.1% | 71,975,525 | 4.04 |
| 2026-07-31 | 294,021,600 | -10.9% | 48,983,019 | 6.00 |
| 2026-07-15 | 330,057,977 | -3.1% | 47,764,818 | 6.91 |
| 2026-06-30 | 340,731,106 | +0.3% | 56,549,618 | 6.03 |
| 2026-06-15 | 339,623,154 | -2.2% | 58,403,137 | 5.82 |
| 2026-05-29 | 347,303,584 | +1.9% | 83,911,911 | 4.14 |
| 2026-05-15 | 340,711,258 | -0.8% | 95,940,001 | 3.55 |
| 2026-04-30 | 343,460,531 | -0.3% | 77,683,878 | 4.42 |
| 2026-04-15 | 344,599,730 | +1.4% | 71,796,747 | 4.80 |
| 2026-03-31 | 339,721,877 | +3.2% | 64,641,403 | 5.26 |
| 2026-03-13 | 329,084,206 | +0.6% | 97,908,400 | 3.36 |
| 2026-02-27 | 327,292,724 | -5.6% | 80,965,418 | 4.04 |
| 2026-02-13 | 346,597,509 | -0.5% | 97,235,716 | 3.56 |
| 2026-01-30 | 348,414,622 | +2.4% | 120,862,546 | 2.88 |
| 2026-01-15 | 340,177,277 | -2.3% | 95,069,305 | 3.58 |
| 2025-12-31 | 348,127,252 | +1.5% | 84,904,090 | 4.10 |
| 2025-12-15 | 343,021,901 | +2.1% | 101,421,426 | 3.38 |
| 2025-11-28 | 336,107,447 | +10.2% | 111,588,828 | 3.01 |
| 2025-11-14 | 305,087,014 | -1.8% | 121,233,839 | 2.52 |
| 2025-10-31 | 310,624,243 | -6.3% | 104,900,953 | 2.96 |
| 2025-10-15 | 331,367,320 | -13.7% | 224,838,715 | 1.47 |
| 2025-09-30 | 383,764,248 | +6.9% | 152,364,356 | 2.52 |
| 2025-09-15 | 358,842,791 | +2.8% | 38,740,172 | 9.26 |
| 2025-08-29 | 349,053,383 | +2.2% | 39,524,603 | 8.83 |
| 2025-08-15 | 341,527,861 | +6.7% | 46,122,882 | 7.40 |
| 2025-07-31 | 320,167,200 | +7.8% | 73,428,033 | 4.36 |
| 2025-07-15 | 297,013,658 | +1.4% | 86,233,110 | 3.44 |
| 2025-06-30 | 292,921,816 | +23.0% | 87,416,890 | 3.35 |
| 2025-06-13 | 238,128,517 | +5.6% | 131,818,345 | 1.81 |
| 2025-05-30 | 225,554,876 | -14.9% | 176,021,339 | 1.28 |
| 2025-05-15 | 265,123,224 | +4.9% | 138,353,700 | 1.92 |
| 2025-04-30 | 252,653,744 | -4.2% | 128,735,344 | 1.96 |
| 2025-04-15 | 263,642,469 | -5.7% | 49,424,029 | 5.33 |
| 2025-03-31 | 279,671,714 | -0.9% | 58,346,907 | 4.79 |
| 2025-03-14 | 282,337,541 | -0.0% | 68,781,651 | 4.10 |
| 2025-02-28 | 282,440,620 | -1.4% | 56,937,909 | 4.96 |
| 2025-02-14 | 286,404,448 | +11.8% | 53,887,901 | 5.31 |
| 2025-01-31 | 256,137,870 | +7.4% | 76,263,818 | 3.36 |
| 2025-01-15 | 238,461,720 | +16.4% | 81,199,287 | 2.94 |
| 2024-12-31 | 204,871,134 | -3.7% | 49,288,911 | 4.16 |
| 2024-12-13 | 212,686,488 | +8.9% | 77,355,309 | 2.75 |
| 2024-11-29 | 195,294,227 | -9.7% | 57,424,727 | 3.40 |
| 2024-11-15 | 216,188,653 | -3.6% | 74,624,459 | 2.90 |
| 2024-10-31 | 224,225,675 | -8.0% | 42,447,933 | 5.28 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 2 November 2026, the short share of PLUG volume is 64.4%, down 0.2 points over the last five sessions. Over the last 30 readings it ranged from 40.9% (22 September 2026) to 66.4% (1 October 2026). The latest reading sits at the top of that range. The latest reading is 7.1 points above the 30-session average of 57.3%, on 26.9M shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-02 | 17.3M | 26.9M | 64.4% | 43,218 |
| 2026-10-30 | 11.3M | 20.2M | 55.9% | 29,769 |
| 2026-10-29 | 19.2M | 32.9M | 58.5% | 84,081 |
| 2026-10-28 | 17.4M | 27.7M | 62.8% | 126,748 |
| 2026-10-27 | 13.4M | 25.1M | 53.4% | 99,327 |
| 2026-10-26 | 18.5M | 28.7M | 64.5% | 73,531 |
| 2026-10-23 | 9.6M | 16.4M | 58.4% | 24,946 |
| 2026-10-22 | 15.3M | 25.6M | 59.5% | 47,774 |
| 2026-10-21 | 14.7M | 24.3M | 60.4% | 34,748 |
| 2026-10-20 | 15.0M | 28.9M | 52.0% | 38,563 |
| 2026-10-19 | 12.9M | 23.9M | 54.0% | 63,199 |
| 2026-10-16 | 15.9M | 29.2M | 54.4% | 56,547 |
| 2026-10-15 | 19.4M | 34.4M | 56.5% | 70,437 |
| 2026-10-14 | 22.8M | 48.4M | 47.1% | 265,260 |
| 2026-10-13 | 15.8M | 28.7M | 55.0% | 112,924 |
| 2026-10-12 | 13.8M | 27.0M | 51.0% | 44,460 |
| 2026-10-09 | 13.8M | 27.7M | 49.7% | 11,562 |
| 2026-10-08 | 16.0M | 27.7M | 57.7% | 69,981 |
| 2026-10-07 | 15.9M | 26.2M | 60.6% | 68,630 |
| 2026-10-06 | 15.2M | 26.9M | 56.3% | 44,704 |
| 2026-10-05 | 14.8M | 23.1M | 64.1% | 81,369 |
| 2026-10-02 | 16.7M | 25.2M | 66.2% | 39,463 |
| 2026-10-01 | 18.4M | 27.6M | 66.4% | 89,622 |
| 2026-09-30 | 15.5M | 26.3M | 59.1% | 69,293 |
| 2026-09-29 | 15.0M | 26.2M | 57.4% | 109,303 |
| 2026-09-28 | 23.3M | 39.5M | 58.9% | 82,303 |
| 2026-09-25 | 15.0M | 27.6M | 54.6% | 36,705 |
| 2026-09-24 | 20.4M | 34.2M | 59.7% | 13,121 |
| 2026-09-23 | 15.2M | 25.2M | 60.2% | 61,223 |
| 2026-09-22 | 7.4M | 18.0M | 40.9% | 13,101 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in PLUG is 1,269 shares, down 741,232 shares over the last settlement date. Over the last 30 readings it ranged from 930 shares (29 September 2026) to 1,513,150 shares (28 August 2026). The latest reading sits at the bottom of that range.
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 1,269 | $1.56 | $2K |
| 2026-10-13 | 742,501 | $1.62 | $1.2M |
| 2026-10-09 | 17,805 | $1.73 | $31K |
| 2026-10-08 | 2,331 | $1.78 | $4K |
| 2026-10-07 | 5,435 | $1.86 | $10K |
| 2026-10-06 | 22,564 | $1.89 | $43K |
| 2026-10-02 | 956 | $1.89 | $2K |
| 2026-10-01 | 65,209 | $1.94 | $127K |
| 2026-09-30 | 3,447 | $1.91 | $7K |
| 2026-09-29 | 930 | $1.86 | $2K |
| 2026-09-28 | 612,309 | $1.98 | $1.2M |
| 2026-09-25 | 123,690 | $1.96 | $242K |
| 2026-09-24 | 426,989 | $2.04 | $871K |
| 2026-09-23 | 48,957 | $2.11 | $103K |
| 2026-09-22 | 56,672 | $2.09 | $118K |
| 2026-09-21 | 97,308 | $2.09 | $203K |
| 2026-09-18 | 1,328,346 | $2.12 | $2.8M |
| 2026-09-17 | 45,221 | $2.02 | $91K |
| 2026-09-16 | 163,487 | $2.05 | $335K |
| 2026-09-11 | 228,568 | $2.11 | $482K |
| 2026-09-10 | 192,938 | $2.17 | $419K |
| 2026-09-09 | 1,049,682 | $2.26 | $2.4M |
| 2026-09-08 | 604,215 | $2.17 | $1.3M |
| 2026-09-04 | 16,934 | $2.11 | $36K |
| 2026-09-02 | 4,130 | $2.09 | $9K |
| 2026-09-01 | 18,800 | $2.16 | $41K |
| 2026-08-31 | 229,141 | $2.19 | $502K |
| 2026-08-28 | 1,513,150 | $2.27 | $3.4M |
| 2026-08-27 | 1,210 | $2.17 | $3K |
| 2026-08-26 | 32,145 | $2.27 | $73K |
Insider trades
SEC Form 4, newest first. JSONInsiders at PLUG reported 4 open-market sells worth $510K in the last 90 days and no open-market buys. Latest filing: Haycraft Benjamin (CSO & GM EMEA) on 2026-10-15.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | Haycraft Benjamin | CSO & GM EMEA | Sell | 9K | $1.41 | $13K | 92K |
| 2026-10-01 | Kenausis Gregory | Director | Grant | 6K | $1.94 | $12K | 520K |
| 2026-10-01 | Joggerst Patrick | Director | Grant | 12K | $1.94 | $23K | 265K |
| 2026-10-01 | BONNEY MARK J | Director | Grant | 12K | $1.94 | $24K | 284K |
| 2026-10-01 | Angle Colin M | Director | Grant | 6K | $1.94 | $12K | 159K |
| 2026-09-18 | Haycraft Benjamin | CSO & GM EMEA | Sell | 200K | $2.14 | $428K | 101K |
| 2026-09-15 | Haycraft Benjamin | CSO & GM EMEA | Sell | 19K | $2.06 | $39K | 301K |
| 2026-09-11 | Haycraft Benjamin | CSO & GM EMEA | Sell | 14K | $2.14 | $30K | 320K |
| 2026-07-01 | Kenausis Gregory | Director | Grant | 4K | $2.71 | $11K | 514K |
| 2026-07-01 | Joggerst Patrick | Director | Grant | 8K | $2.71 | $21K | 253K |
| 2026-07-01 | BONNEY MARK J | Director | Grant | 9K | $2.71 | $24K | 272K |
| 2026-07-01 | Angle Colin M | Director | Grant | 4K | $2.71 | $10K | 153K |
| 2026-06-25 | MIDDLETON PAUL B | CFO & Executive VP | Grant | 389K | $0.00 | $0 | 2.9M |
| 2026-06-11 | HELMER MAUREEN O | Director | Grant | 40K | $0.00 | $0 | 361K |
| 2026-06-11 | Joggerst Patrick | Director | Grant | 40K | $0.00 | $0 | 246K |
| 2026-06-11 | Kenausis Gregory | Director | Grant | 40K | $0.00 | $0 | 510K |
| 2026-06-11 | MCNAMEE GEORGE C | Director | Grant | 40K | $0.00 | $0 | 873K |
| 2026-06-11 | WILLIS GARY K | Director | Grant | 40K | $0.00 | $0 | 730K |
| 2026-06-11 | BONNEY MARK J | Director | Grant | 40K | $0.00 | $0 | 263K |
| 2026-06-11 | Angle Colin M | Director | Grant | 40K | $0.00 | $0 | 150K |
| 2026-06-08 | HELMER MAUREEN O | Director | Sell | 50K | $3.23 | $162K | 322K |
| 2026-04-01 | Marsh Andrew | Director | Grant | 4K | $2.26 | $8K | 853K |
| 2026-04-01 | Mahtani Kavita | Director | Grant | 10K | $2.26 | $23K | 240K |
| 2026-04-01 | Kenausis Gregory | Director | Grant | 9K | $2.26 | $20K | 471K |
| 2026-04-01 | Joggerst Patrick | Director | Grant | 9K | $2.26 | $20K | 206K |
| 2026-04-01 | BONNEY MARK J | Director | Grant | 11K | $2.26 | $24K | 223K |
| 2026-04-01 | Angle Colin M | Director | Grant | 4K | $2.26 | $9K | 110K |
| 2026-01-12 | Haycraft Benjamin | CSO & GM EMEA | Sell | 40K | $2.17 | $87K | 334K |
| 2026-01-02 | WILLIS GARY K | Director | Grant | 16K | $1.97 | $32K | 690K |
| 2026-01-02 | Mahtani Kavita | Director | Grant | 11K | $1.97 | $22K | 230K |
| 2026-01-02 | MCNAMEE GEORGE C | Director | Grant | 13K | $1.97 | $26K | 834K |
| 2026-01-02 | Kenausis Gregory | Director | Grant | 10K | $1.97 | $20K | 462K |
| 2026-01-02 | Joggerst Patrick | Director | Grant | 10K | $1.97 | $20K | 197K |
| 2026-01-02 | HELMER MAUREEN O | Director | Grant | 14K | $1.97 | $27K | 372K |
| 2026-01-02 | BONNEY MARK J | Director | Grant | 12K | $1.97 | $24K | 213K |
| 2026-01-02 | Angle Colin M | Director | Grant | 5K | $1.97 | $10K | 106K |
| 2025-12-15 | Crespo Jose Luis | See Remarks | Buy | 37K | $2.34 | $87K | 307K |
| 2025-12-10 | Haycraft Benjamin | CSO & GM EMEA | Sell | 40K | $2.20 | $88K | 374K |
| 2025-11-28 | Marsh Andrew | CEO | Grant | 12K | $2.01 | $25K | 931K |
| 2025-11-10 | Haycraft Benjamin | CSO & EVP of EMEA Region | Sell | 10K | $2.92 | $29K | 468K |
| 2025-11-07 | Haycraft Benjamin | CSO & GM EMEA | Tax withholding | 36K | $2.51 | $90K | 414K |
| 2025-10-31 | Marsh Andrew | CEO | Grant | 9K | $2.69 | $25K | 918K |
| 2025-10-17 | Haycraft Benjamin | CSO & GM EMEA | Tax withholding | 8K | $3.48 | $27K | 450K |
| 2025-10-10 | Haycraft Benjamin | CSO & GM EMEA | Sell | 10K | $3.80 | $38K | 458K |
| 2025-10-03 | Marsh Andrew | CEO | Grant | 18K | $3.81 | $70K | 909K |
| 2025-10-01 | WILLIS GARY K | Director | Grant | 14K | $2.33 | $32K | 674K |
| 2025-10-01 | Mahtani Kavita | Director | Grant | 10K | $2.33 | $23K | 218K |
| 2025-10-01 | MCNAMEE GEORGE C | Director | Grant | 11K | $2.33 | $26K | 821K |
| 2025-10-01 | Kenausis Gregory | Director | Grant | 8K | $2.33 | $20K | 452K |
| 2025-10-01 | Joggerst Patrick | Director | Grant | 9K | $2.33 | $20K | 187K |
| 2025-10-01 | HELMER MAUREEN O | Director | Grant | 12K | $2.33 | $28K | 358K |
| 2025-10-01 | BONNEY MARK J | Director | Grant | 10K | $2.33 | $24K | 200K |
| 2025-10-01 | Angle Colin M | Director | Grant | 4K | $2.33 | $10K | 101K |
| 2025-09-16 | Haycraft Benjamin | CSO & GM of EMEA Region | Sell | 11K | $1.59 | $17K | 478K |
| 2025-08-29 | Marsh Andrew | President and CEO | Grant | 18K | $1.67 | $31K | 891K |
| 2025-08-01 | Marsh Andrew | President and CEO | Grant | 20K | $1.54 | $31K | 872K |
| 2025-07-04 | Marsh Andrew | President and CEO | Grant | 38K | $1.01 | $38K | 852K |
| 2025-07-03 | WILLIS GARY K | Director | Grant | 77K | $0.00 | $0 | 660K |
| 2025-07-03 | Mahtani Kavita | Director | Grant | 77K | $0.00 | $0 | 209K |
| 2025-07-03 | MCNAMEE GEORGE C | Director | Grant | 77K | $0.00 | $0 | 810K |
| 2025-07-03 | Kenausis Gregory | Director | Grant | 77K | $0.00 | $0 | 444K |
| 2025-07-03 | Joggerst Patrick | Director | Grant | 77K | $0.00 | $0 | 178K |
| 2025-07-03 | HELMER MAUREEN O | Director | Grant | 77K | $0.00 | $0 | 346K |
| 2025-07-03 | BONNEY MARK J | Director | Grant | 77K | $0.00 | $0 | 190K |
| 2025-07-03 | Angle Colin M | Director | Grant | 77K | $0.00 | $0 | 97K |
| 2025-07-01 | WILLIS GARY K | Director | Grant | 22K | $1.49 | $32K | 583K |
| 2025-07-01 | Mahtani Kavita | Director | Grant | 15K | $1.49 | $23K | 132K |
| 2025-07-01 | MCNAMEE GEORGE C | Director | Grant | 17K | $1.49 | $26K | 733K |
| 2025-07-01 | Kenausis Gregory | Director | Grant | 13K | $1.49 | $20K | 367K |
| 2025-07-01 | Joggerst Patrick | Director | Grant | 13K | $1.49 | $20K | 102K |
| 2025-07-01 | HELMER MAUREEN O | Director | Grant | 18K | $1.49 | $27K | 269K |
| 2025-07-01 | BONNEY MARK J | Director | Grant | 16K | $1.49 | $24K | 114K |
| 2025-07-01 | Angle Colin M | Director | Grant | 7K | $1.49 | $10K | 20K |
| 2025-06-11 | Crespo Jose Luis | Chief Revenue Officer | Sell | 37K | $1.32 | $49K | 270K |
| 2025-06-09 | MIDDLETON PAUL B | See Remarks | Buy | 650K | $1.03 | $670K | 2.6M |
| 2025-05-30 | Marsh Andrew | President and CEO | Grant | 36K | $0.84 | $31K | 814K |
| 2025-05-16 | MIDDLETON PAUL B | CFO & Executive VP | Buy | 350K | $0.72 | $252K | 1.9M |
| 2025-05-05 | MIDDLETON PAUL B | CFO & Executive VP | Tax withholding | 17K | $0.84 | $14K | 1.6M |
| 2025-05-05 | Crespo Jose Luis | Chief Revenue Officer | Tax withholding | 17K | $0.84 | $14K | 307K |
| 2025-05-05 | Conway Gerard L JR | Gen. Coun, Corp Sec., Exec. VP | Tax withholding | 16K | $0.84 | $14K | 259K |
| 2025-04-06 | Hull Martin Daniel | Corporate Controller and CAO | Tax withholding | 19K | $1.22 | $23K | 180K |
| 2025-04-01 | MCNAMEE GEORGE C | Director | Grant | 19K | $1.35 | $26K | 716K |
| 2025-04-01 | Kenausis Gregory | Director | Grant | 15K | $1.35 | $20K | 354K |
| 2025-04-01 | WILLIS GARY K | Director | Grant | 24K | $1.35 | $32K | 562K |
| 2025-04-01 | HELMER MAUREEN O | Director | Grant | 20K | $1.35 | $27K | 251K |
| 2025-04-01 | Mahtani Kavita | Director | Grant | 17K | $1.35 | $23K | 117K |
| 2025-04-01 | BONNEY MARK J | Director | Grant | 18K | $1.35 | $24K | 98K |
| 2025-04-01 | Joggerst Patrick | Director | Grant | 15K | $1.35 | $20K | 88K |
| 2025-04-01 | Angle Colin M | Director | Grant | 7K | $1.35 | $10K | 13K |
| 2025-01-02 | Angle Colin M | Director | Grant | 4K | $2.13 | $9K | 6K |
| 2025-01-02 | BONNEY MARK J | Director | Grant | 11K | $2.13 | $24K | 80K |
| 2025-01-02 | HELMER MAUREEN O | Director | Grant | 13K | $2.13 | $28K | 230K |
| 2025-01-02 | Joggerst Patrick | Director | Grant | 9K | $2.13 | $20K | 73K |
| 2025-01-02 | Kenausis Gregory | Director | Grant | 9K | $2.13 | $20K | 339K |
| 2025-01-02 | Mahtani Kavita | Director | Grant | 11K | $2.13 | $22K | 101K |
| 2025-01-02 | MCNAMEE GEORGE C | Director | Grant | 12K | $2.13 | $26K | 697K |
| 2025-01-02 | WILLIS GARY K | Director | Grant | 15K | $2.13 | $32K | 537K |
| 2024-11-19 | MIDDLETON PAUL B | CFO & Executive VP | Grant | 1.3M | $0.00 | $0 | 1.6M |
| 2024-11-06 | Conway Gerard L JR | Gen. Coun, Corp Sec., Exec. VP | Tax withholding | 15K | $2.52 | $37K | 276K |
| 2024-11-06 | Crespo Jose Luis | GM, MATL Handling, Key Accts | Tax withholding | 15K | $2.52 | $38K | 324K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Planned sales (Form 144)
Newest first. JSON13 Form 144 notices on file for PLUG worth $1.3M at the prices reported; 5 in the last 90 days worth $611K. Latest: Haycraft Benjamin filed on 2026-10-15 to sell 9,375 shares ($13K) from 2026-10-15.
| Filed | Seller | Shares | Market value | Of outstanding | Sale from | Broker |
|---|---|---|---|---|---|---|
| 2026-10-15 | Haycraft BenjaminOfficer | 9K | $13K | 0.001% | 2026-10-15 | RBC CAPITAL MARKETS LLC |
| 2026-09-18 | Haycraft BenjaminOfficer | 200K | $428K | 0.014% | 2026-09-18 | RBC CAPITAL MARKETS LLC |
| 2026-09-15 | Haycraft BenjaminOfficer | 19K | $39K | 0.001% | 2026-09-15 | RBC CAPITAL MARKETS LLC |
| 2026-09-11 | Haycraft BenjaminOfficer | 14K | $30K | 0.001% | 2026-09-11 | RBC CAPITAL MARKETS LLC |
| 2026-09-09 | COLIN ANGLEDirector | 45K | $102K | 0.003% | 2026-09-09 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-06-08 | MAUREEN HELMERDirector | 50K | $161K | 0.004% | 2026-06-08 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2026-01-12 | Haycraft BenjaminOfficer | 40K | $87K | 0.003% | 2026-01-12 | RBC CAPITAL MARKETS LLC |
| 2025-12-11 | GEORGE C MCNAMEEDirector | 60K | $139K | 0.004% | 2025-12-11 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-12-10 | Haycraft BenjaminOfficer | 40K | $88K | 0.003% | 2025-12-10 | RBC CAPITAL MARKETS LLC |
| 2025-12-02 | SANJAY SHRESTHAOfficer | 50K | $108K | 0.004% | 2025-12-02 | Morgan Stanley Smith Barney LLC Executive Financial Services |
| 2025-11-10 | Haycraft BenjaminOfficer | 10K | $29K | 0.001% | 2025-11-10 | RBC CAPITAL MARKETS LLC |
| 2025-10-10 | Haycraft BenjaminOfficer | 10K | $38K | 0.001% | 2025-10-10 | RBC CAPITAL MARKETS LLC |
| 2025-09-16 | Haycraft Benjamin Toby PatrickOfficer | 11K | $17K | 0.001% | 2025-09-16 | RBC CAPITAL MARKETS LLC |
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON2 holders report 5% or more of PLUG in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 12.8% of the class (178,091,159 shares), filed 2026-07-29 for an event on 2026-06-30.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-07-29 | 13G/Ano. 6 | BlackRock, Inc.parent holding company | 178.1M | 12.8% | 2026-06-30 |
| 2026-04-30 | 13G | Vanguard Capital Managementinvestment adviser | 73.0M | 5.2% | 2026-03-31 |
| 2026-03-27 | 13G/Ano. 4 | The Vanguard Groupinvestment adviser | 0 | 0.0% | 2026-03-13 |
13F holders
Tracked managers holding PLUG at their latest 13F. JSON9 of the 30 tracked managers held PLUG at their latest 13F, $267.7M in total at quarter-end prices. Citadel Advisors is the largest at $65.4M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 4 added shares and 4 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Citadel Advisors | 2026-06-30 | 24.1M | $65.4M | 0.01% | +23.3M |
| Two Sigma Investments | 2026-06-30 | 22.6M | $61.3M | 0.04% | -4.8M |
| D. E. Shaw & Co. | 2026-06-30 | 21.9M | $59.5M | 0.03% | -27.0M |
| Millennium Management | 2026-06-30 | 13.7M | $37.1M | 0.01% | +3.5M |
| Renaissance Technologies | 2026-06-30 | 11.8M | $31.9M | 0.04% | -16.0M |
| Coatue Management | 2026-06-30 | 2.5M | $6.9M | 0.01% | 0 |
| Point72 Asset Management | 2026-06-30 | 1.9M | $5.1M | 0.01% | -171K |
| Bridgewater Associates | 2026-06-30 | 138K | $373K | 0.00% | new |
| AQR Capital Management | 2026-06-30 | 42K | $111K | 0.00% | +4K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
Financials
SEC XBRL, as filed. JSONIn Q2 FY 2026 (quarter ended 2026-06-30) Plug Power reported revenue of $178.3M, up 2.5% from the same quarter a year earlier, and net loss of $188.2M (-0.14 diluted EPS). In FY 2025 it generated -$535.8M of operating cash flow.
- Cash
- $161.9M
- Equity
- $581.8M
- Total assets
- $2.19B
- Shares outstanding
- 1,397,195,278
Quarterly, last 8 quarters
| Quarter | Period end | Revenue | Net income | Margin | Diluted EPS |
|---|---|---|---|---|---|
| Q2 FY 2026 | 2026-06-30 | $178.3M | -$188.2M | -105.6% | -0.14 |
| Q1 FY 2026 | 2026-03-31 | $163.5M | -$245.3M | -150.0% | -0.18 |
| Q4 FY 2025derived | 2025-12-31 | $225.2M | -$846.0M | -375.6% | n/a |
| Q3 FY 2025 | 2025-09-30 | $177.1M | -$361.9M | -204.4% | -0.31 |
| Q2 FY 2025 | 2025-06-30 | $174.0M | -$227.1M | -130.5% | -0.20 |
| Q1 FY 2025 | 2025-03-31 | $133.7M | -$196.7M | -147.1% | -0.21 |
| Q4 FY 2024derived | 2024-12-31 | $191.5M | -$1.34B | -697.5% | n/a |
| Q3 FY 2024 | 2024-09-30 | $173.7M | -$211.2M | -121.5% | -0.25 |
Fiscal years, with buybacks and dividends
| Fiscal year | Ends | Revenue | Net income | Operating cash flow | Capex | Buybacks | Dividends |
|---|---|---|---|---|---|---|---|
| FY 2025 | 2025-12-31 | $709.9M | -$1.63B | -$535.8M | $111.2M | n/a | n/a |
| FY 2024 | 2024-12-31 | $628.8M | -$2.10B | -$728.6M | $287.1M | n/a | n/a |
| FY 2023 | 2023-12-31 | $891.3M | -$1.37B | -$1.11B | $665.2M | n/a | n/a |
| FY 2022 | 2022-12-31 | $701.4M | -$724.0M | -$828.6M | $436.6M | n/a | n/a |
| FY 2021 | 2021-12-31 | $502.3M | -$460.0M | -$358.2M | $172.2M | n/a | n/a |
Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are the cash the company paid to repurchase its common stock in the year, not the amount authorized. Balance sheet lines are as of 2026-06-30; shares outstanding as of 2026-08-06 from the cover page.
What this page is
Plug Power in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Plug Power (PLUG), SEC CIK 1093691, listed on Nasdaq, classified by the SEC as electrical industrial apparatus. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-02.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-14.JSON and CSV
- Planned sales
- SEC EDGAR Form 144Source: SEC.New notices appear shortly after the SEC posts them; a notice is filed on or before the sale. Latest 2026-10-15.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-07-29.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Financials
- SEC EDGAR 10-K and 10-Q filingsSource: SEC.Weekly; values are as filed in the 10-Q and 10-K. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-10-15.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-10-15.JSON and CSV
- Company record
- EDGAR filing index for CIK 1093691Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Datasets
Frequently Asked Questions
How much of PLUG is sold short?
291,955,349 shares were held short at the 2026-10-15 settlement, 5.7 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is PLUG's daily short volume?
On 2026-11-02, 17,338,770 of the 26,927,184 PLUG shares reported to FINRA were sold short, 64.4% of the day's reported volume. Short volume is a flow for one day, not a position.
Does PLUG have fails to deliver?
The SEC's latest file shows 1,269 PLUG shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are PLUG insiders buying or selling?
Insiders at PLUG reported 4 open-market sells worth $510K in the last 90 days and no open-market buys. Latest filing: Haycraft Benjamin (CSO & GM EMEA) on 2026-10-15.
Have PLUG insiders filed to sell?
13 Form 144 notices on file for PLUG worth $1.3M at the prices reported; 5 in the last 90 days worth $611K. Latest: Haycraft Benjamin filed on 2026-10-15 to sell 9,375 shares ($13K) from 2026-10-15.
Who owns 5% or more of PLUG?
2 holders report 5% or more of PLUG in their latest filing, all on Schedule 13G (passive). The largest reported stake is BlackRock, Inc. at 12.8% of the class (178,091,159 shares), filed 2026-07-29 for an event on 2026-06-30.
What did PLUG report last quarter?
In Q2 FY 2026 (quarter ended 2026-06-30) Plug Power reported revenue of $178.3M, up 2.5% from the same quarter a year earlier, and net loss of $188.2M (-0.14 diluted EPS). In FY 2025 it generated -$535.8M of operating cash flow.
Which tracked 13F managers own PLUG?
9 of the 30 tracked 13F managers held PLUG shares at their latest filing, $267.7M in all. The largest: Ken Griffin's Citadel Advisors (24.1M shares, $65.4M), Two Sigma Investments (22.6M shares, $61.3M), D. E. Shaw & Co. (21.9M shares, $59.5M), Izzy Englander's Millennium Management (13.7M shares, $37.1M), Renaissance Technologies (11.8M shares, $31.9M), Philippe Laffont's Coatue Management (2.5M shares, $6.9M). The table above lists all 9.
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.