Plug Power Inc.
| Security | PLUG / Plug Power Inc. |
| Insider | Andrew Marsh |
This page shows the track record and history of Marsh Andrew
insider trades in Plug Power Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company.
It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean
it is illegal for them to make any
trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis
In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Andrew Marsh in PLUG / Plug Power Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Sales - Short Term Loss Analysis
In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Andrew Marsh in PLUG / Plug Power Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.
The following table shows the most recent open market purchases that were not part of an automatic trading plan.
| Trade Date | Reported Shares |
Reported Price |
Adjusted Shares |
Adjusted Price |
Cost Basis | Days to Min |
Price at Min |
Max Loss Avoided ($) |
Max Loss Avoided (%) |
|---|---|---|---|---|---|---|---|
| There are no known unplanned open-market trades for this insider |
Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.
Insider Transaction History
| File Date |
Trade Date |
Form | Insider | Ticker | Security Title | Code | Direct | Exercise Price |
Unit Price |
Units Changed |
Value Changed (1K) |
Remaining Options |
Remaining Shares |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-04-10 | 2026-04-01 | 4 | Marsh Andrew | PLUG | Common Stock | D | 2.2600 | 3,688 | 8 | 853,378 | ||||
| 2025-12-03 | 2025-11-28 | 4 | Marsh Andrew | PLUG | Common Stock | D | 2.0100 | 12,203 | 25 | 930,546 | ||||
| 2025-11-04 | 2025-10-31 | 4 | Marsh Andrew | PLUG | Common Stock | D | 2.6900 | 9,415 | 25 | 918,343 | ||||
| 2025-10-07 | 2025-10-03 | 4 | Marsh Andrew | PLUG | Common Stock | D | 3.8100 | 18,324 | 70 | 908,928 | ||||
| 2025-09-12 | 2025-08-29 | 4 | Marsh Andrew | PLUG | Common Stock | D | 1.6658 | 18,471 | 31 | 890,604 | ||||
| 2025-09-12 | 2025-08-01 | 4 | Marsh Andrew | PLUG | Common Stock | D | 1.5409 | 19,968 | 31 | 872,133 | ||||
| 2025-07-17 | 2025-07-04 | 4 | Marsh Andrew | PLUG | Common Stock | D | 1.0080 | 38,156 | 38 | 852,165 | ||||
| 2025-06-13 | 2025-05-30 | 4 | Marsh Andrew | PLUG | Common Stock | D | 0.8442 | 36,448 | 31 | 814,009 | ||||
| 2023-10-03 | 2023-09-29 | 4 | Marsh Andrew | PLUG | Common Stock | D | 7.7300 | -96,892 | -749 | 777,561 | ||||
| 2022-12-02 | 2022-09-28 | 4 | Marsh Andrew | PLUG | Common Stock | D | 21.8500 | -96,893 | -2,117 | 874,453 | ||||
| 2022-12-02 | 2022-08-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 28.4300 | -104,369 | -2,967 | 971,346 | ||||
| 2022-05-02 | 2021-09-28 | 4 | Marsh Andrew | PLUG | Common Stock | D | 28.4000 | -88,312 | -2,508 | 859,048 | ||||
| 2021-11-09 | 2021-09-22 | 4 | Marsh Andrew | PLUG | Performance Stock Option (Right to Buy) | D | 26.92 | 4,000,000 | 4,000,000 | |||||
| 2021-08-31 | 2021-08-28 | 4 | Marsh Andrew | PLUG | Restricted Stock Unit | D | -166,667 | 0 | ||||||
| 2021-08-31 | 2021-08-28 | 4 | Marsh Andrew | PLUG | Common Stock | D | 26.6000 | -80,284 | -2,136 | 947,360 | ||||
| 2021-08-31 | 2021-08-28 | 4 | Marsh Andrew | PLUG | Common Stock | D | 166,667 | 1,027,644 | ||||||
| 2021-08-23 | 2021-08-19 | 4 | Marsh Andrew | PLUG | Restricted Stock Unit | D | -216,666 | 216,667 | ||||||
| 2021-08-23 | 2021-08-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 25.0600 | -104,369 | -2,615 | 860,977 | ||||
| 2021-08-23 | 2021-08-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 216,666 | 965,346 | ||||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 2.14 | -466,668 | 0 | |||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 6.10 | -106,600 | 0 | |||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 68.3109 | -5,178 | -354 | 748,680 | ||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 67.7270 | -101,766 | -6,892 | 753,858 | ||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 66.5801 | -132,753 | -8,839 | 855,624 | ||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 65.6612 | -114,120 | -7,493 | 988,377 | ||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 64.8196 | -156,051 | -10,115 | 1,102,497 | ||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 63.9660 | -49,918 | -3,193 | 1,258,548 | ||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 62.6504 | -13,482 | -845 | 1,308,466 | ||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 2.1400 | 466,668 | 999 | 1,321,948 | ||||
| 2021-01-21 | 2021-01-19 | 4 | Marsh Andrew | PLUG | Common Stock | D | 6.1000 | 106,600 | 650 | 855,280 | ||||
| 2020-09-30 | 2020-09-28 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 13.20 | 225,000 | 225,000 | |||||
| 2020-09-30 | 2020-09-28 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 15.51 | 225,000 | 225,000 | |||||
| 2020-09-30 | 2020-09-28 | 4 | Marsh Andrew | PLUG | Common Stock | D | 550,000 | 748,680 | ||||||
| 2020-09-01 | 2020-08-31 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 12.9765 | -104,412 | -1,355 | 198,680 | ||||
| 2020-09-01 | 2020-08-28 | 4 | Marsh Andrew | PLUG | Restricted Stock Unit | D | -166,666 | 166,667 | ||||||
| 2020-09-01 | 2020-08-28 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 1.96 | -166,666 | 166,667 | |||||
| 2020-09-01 | 2020-08-28 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 12.9512 | -166,666 | -2,159 | 303,092 | ||||
| 2020-09-01 | 2020-08-28 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 1.9600 | 166,666 | 327 | 469,758 | ||||
| 2020-09-01 | 2020-08-28 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 13.0700 | -80,284 | -1,049 | 303,092 | ||||
| 2020-09-01 | 2020-08-28 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 166,666 | 383,376 | ||||||
| 2020-09-01 | 2020-08-19 | 4 | Marsh Andrew | PLUG | Restricted Stock Unit | D | -216,667 | 433,333 | ||||||
| 2020-09-01 | 2020-08-19 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 13.6500 | -104,369 | -1,425 | 216,710 | ||||
| 2020-09-01 | 2020-08-19 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 216,667 | 321,079 | ||||||
| 2020-08-21 | 2020-08-19 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 2.23 | -108,333 | 216,667 | |||||
| 2020-08-21 | 2020-08-19 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 2.62 | -108,333 | 216,667 | |||||
| 2020-08-21 | 2020-08-19 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 14.1218 | -36,376 | -514 | 104,412 | ||||
| 2020-08-21 | 2020-08-19 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 13.6872 | -180,290 | -2,468 | 140,788 | ||||
| 2020-08-21 | 2020-08-19 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 2.6200 | 108,333 | 284 | 321,078 | ||||
| 2020-08-21 | 2020-08-19 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 2.2300 | 108,333 | 242 | 212,745 | ||||
| 2020-07-08 | 2020-07-06 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 1.96 | -166,667 | 333,333 | |||||
| 2020-07-08 | 2020-07-06 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 5.39 | -1,000,000 | 0 | |||||
| 2020-07-08 | 2020-07-06 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 10.0101 | -1,166,667 | -11,678 | 104,412 | ||||
| 2020-07-08 | 2020-07-06 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 1.9600 | 166,667 | 327 | 1,271,079 | ||||
| 2020-07-08 | 2020-07-06 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 5.3900 | 1,000,000 | 5,390 | 1,104,412 | ||||
| 2020-06-25 | 2020-06-24 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 2.14 | -361,625 | 466,668 | |||||
| 2020-06-25 | 2020-06-24 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 2.43 | -599,434 | 0 | |||||
| 2020-06-25 | 2020-06-24 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 7.3039 | -961,059 | -7,019 | 104,412 | ||||
| 2020-06-25 | 2020-06-24 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 2.1400 | 361,625 | 774 | 1,065,471 | ||||
| 2020-06-25 | 2020-06-24 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 2.4300 | 599,434 | 1,457 | 703,846 | ||||
| 2020-06-25 | 2020-06-23 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 2.14 | -105,041 | 828,293 | |||||
| 2020-06-25 | 2020-06-23 | 4 | Marsh Andrew | PLUG | Stock Option (Right to Buy) | D | 2.43 | -150,566 | 599,434 | |||||
| 2020-06-25 | 2020-06-23 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 7.0029 | -255,607 | -1,790 | 104,412 | ||||
| 2020-06-25 | 2020-06-23 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 2.1400 | 105,041 | 225 | 306,019 | ||||
| 2020-06-25 | 2020-06-23 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 2.4300 | 150,566 | 366 | 254,978 | ||||
| 2020-06-08 | 2020-06-08 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 2.14 | -466,666 | 933,334 | |||||
| 2020-06-08 | 2020-06-08 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 1.72 | -190,336 | 0 | |||||
| 2020-06-08 | 2020-06-08 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 5.0259 | -657,002 | -3,302 | 104,412 | ||||
| 2020-06-08 | 2020-06-08 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 2.1400 | 466,666 | 999 | 761,414 | ||||
| 2020-06-08 | 2020-06-08 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 1.7200 | 190,336 | 327 | 294,748 | ||||
| 2020-06-08 | 2020-06-05 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 1.72 | -358,378 | 190,336 | |||||
| 2020-06-08 | 2020-06-05 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 5.0271 | -358,378 | -1,802 | 104,412 | ||||
| 2020-06-08 | 2020-06-05 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 1.7200 | 358,378 | 616 | 462,790 | ||||
| 2020-06-08 | 2020-06-04 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 1.72 | -38,786 | 548,714 | |||||
| 2020-06-08 | 2020-06-04 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 5.0000 | -103,931 | -520 | 104,412 | ||||
| 2020-06-08 | 2020-06-04 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 1.7200 | 38,786 | 67 | 208,343 | ||||
| 2020-02-24 | 2020-02-19 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 1.72 | -234,036 | 587,500 | |||||
| 2020-02-24 | 2020-02-19 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 2.17 | -200,000 | 0 | |||||
| 2020-02-24 | 2020-02-19 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 5.1006 | -834,036 | -4,254 | 169,557 | ||||
| 2020-02-24 | 2020-02-19 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 1.7200 | 234,036 | 403 | 1,003,593 | ||||
| 2020-02-24 | 2020-02-19 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 2.1700 | 200,000 | 434 | 769,557 | ||||
| 2020-02-24 | 2020-02-18 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 1.72 | -115,964 | 821,536 | |||||
| 2020-02-24 | 2020-02-18 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 0.37 | -200,000 | 0 | |||||
| 2020-02-24 | 2020-02-18 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 5.0000 | -315,964 | -1,580 | 569,557 | ||||
| 2020-02-24 | 2020-02-18 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 1.7200 | 115,964 | 199 | 885,521 | ||||
| 2020-02-24 | 2020-02-18 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 0.3700 | 200,000 | 74 | 769,557 | ||||
| 2019-08-30 | 2019-08-28 | 4 | Marsh Andrew | PLUG | Restricted Stock Unit | D | -166,667 | 333,333 | ||||||
| 2019-08-30 | 2019-08-28 | 4 | Marsh Andrew | PLUG | Common Stock | D | 2.1400 | -62,255 | -133 | 569,557 | ||||
| 2019-08-30 | 2019-08-28 | 4 | Marsh Andrew | PLUG | Common Stock | D | 166,667 | 631,812 | ||||||
| 2019-08-21 | 2019-08-19 | 4 | Marsh Andrew | PLUG | Restricted Stock Unit | D | 650,000 | 650,000 | ||||||
| 2019-08-21 | 2019-08-19 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 2.23 | 325,000 | 325,000 | |||||
| 2019-08-21 | 2019-08-19 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 2.62 | 325,000 | 325,000 | |||||
| 2019-03-15 | 2019-03-14 | 4 | Marsh Andrew | PLUG | Plug Power Common Stock | D | 2.4418 | 12,286 | 30 | 465,145 | ||||
| 2018-08-30 | 2018-08-28 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 1.96 | 500,000 | 500,000 | |||||
| 2018-08-30 | 2018-08-28 | 4 | Marsh Andrew | PLUG | Restricted Stock Unit | D | 500,000 | 500,000 | ||||||
| 2017-09-05 | 2017-08-31 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 2.14 | 1,400,000 | 1,400,000 | |||||
| 2016-08-18 | 2016-08-09 | 4 | Marsh Andrew | PLUG | Stock Option (right to buy) | D | 1.72 | 937,500 | 937,500 | |||||
| 2016-07-26 | 2016-07-23 | 4 | Marsh Andrew | PLUG | Restricted Stock Units | D | -122,222 | 0 | ||||||
| 2016-07-26 | 2016-07-23 | 4 | Marsh Andrew | PLUG | Common Stock | D | 1.7900 | -72,747 | -130 | 452,859 | ||||
| 2016-07-26 | 2016-07-23 | 4 | Marsh Andrew | PLUG | Common Stock | D | 122,222 | 525,606 | ||||||
| 2016-03-22 | 2016-03-18 | 4 | Marsh Andrew | PLUG | Warrant (right to buy) | D | 0.93 | -21,505 | 0 | |||||
| 2016-03-22 | 2016-03-18 | 4 | Marsh Andrew | PLUG | Common Stock | D | 0.9300 | 21,505 | 20 | 473,927 | ||||
| 2016-02-16 | 2014-07-23 | 5 | Marsh Andrew | PLUG | Restricted Stock Units | D | -122,222 | 244,445 | ||||||
| 2016-02-16 | 2014-07-23 | 5 | Marsh Andrew | PLUG | Common Stock | D | 5.6300 | -61,075 | -344 | 375,243 | ||||
| 2016-02-16 | 2014-07-23 | 5 | Marsh Andrew | PLUG | Common Stock | D | 122,222 | 375,243 | ||||||
| 2016-02-16 | 2015-07-23 | 5 | Marsh Andrew | PLUG | Option to purchase Plug Power Common Stock | D | 2.43 | 750,000 | 2,296,850 | |||||
| 2016-02-16 | 2015-07-23 | 5 | Marsh Andrew | PLUG | Restricted Stock Units | D | 122,222 | |||||||
| 2016-02-16 | 2015-07-23 | 5 | Marsh Andrew | PLUG | Common Stock | D | 2.4300 | -71,926 | -175 | 452,422 | ||||
| 2016-02-16 | 2015-07-23 | 5 | Marsh Andrew | PLUG | Common Stock | D | 122,223 | 452,422 | ||||||
| 2015-08-27 | 2015-08-27 | 4 | Marsh Andrew | PLUG | Warrant (right to buy) | D | 0.93 | -26,882 | 1,935,022 | |||||
| 2015-08-27 | 2015-08-27 | 4 | Marsh Andrew | PLUG | Common Stock | D | 0.9300 | 26,882 | 25 | 270,435 | ||||
| 2015-02-13 | 2013-09-16 | 5 | Marsh Andrew | PLUG | Warrant Conversion | D | 0.93 | 2.4200 | 48,387 | 117 | 1,961,904 | |||
| 2014-07-29 | 2014-07-24 | 4 | Marsh Andrew | PLUG | Option to Purchase Common Stock | D | 5.39 | 1,000,000 | 1,928,517 | |||||
| 2013-08-23 | 2013-08-20 | 4 | Marsh Andrew | PLUG | Common Stock | D | 0.3800 | 32,218 | 12 | 243,553 | ||||
| 2013-07-30 | 2013-07-24 | 4 | Marsh Andrew | PLUG | Restricted Stock Units | D | 366,667 | 928,517 | ||||||
| 2013-07-30 | 2013-07-24 | 4 | Marsh Andrew | PLUG | Common Stock | D | 0.37 | 200,000 | 561,850 | |||||
| 2013-06-14 | 2013-06-12 | 4 | Marsh Andrew | PLUG | Common Stock | D | 0.2100 | 172,870 | 36 | 211,335 | ||||
| 2008-04-10 | 3 | Marsh Andrew | PLUG | No Securities are Beneficially Owned | D | 0 |
P
Pasar terbuka atau pembelian swasta atas sekuritas non-derivatif atau derivatif
S
Pasar terbuka atau penjualan pribadi atas sekuritas non-derivatif atau derivatif
A
Hibah, penghargaan, atau perolehan sekuritas lainnya dari perusahaan (seperti opsi)
C
Konversi derivatif
D
Penjualan atau pengalihan surat berharga kembali kepada perusahaan
F
Pembayaran harga pelaksanaan atau kewajiban perpajakan dengan menggunakan sebagian surat berharga yang diterima dari perusahaan
G
Pemberian surat berharga oleh atau kepada insider
K
Swap ekuitas dan transaksi lindung nilai serupa
M
Penggunaan atau konversi sekuritas derivatif yang diterima dari perusahaan (seperti opsi)
V
Suatu transaksi dilaporkan secara sukarela pada Formulir 4
J
Lainnya (disertai catatan kaki yang menjelaskan transaksi)
