Company · CIK 0001093691 · SIC 3620 — Electrical Industrial Apparatus · Nasdaq
PLUG POWER INC · PLUG
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Mar 16, 2015 AForm 4 → | Apr 2, 4:21 pm EDT | Liquide Investissements d'Avenir et de Demonstration AirDirector | 9,101 | $2.86 | $26,029 | 48,425 | — | plan? late |
| Jan 2, 2015 AGForm 4 → | Feb 13, 11:52 am EST | Douglas T HickeyDirector | 4,614 | $2.98 | $13,750 | 0 | — | plan? late |
| Jan 2, 2015 AForm 4 → | Feb 13, 11:41 am EST | George C McNameeDirector | 7,605 | $2.98 | $22,663 | 268,855 | — | plan? late |
| Jan 2, 2015 AForm 4 → | Feb 13, 11:40 am EST | Xavier PontoneDirector | 1,678 | $2.98 | $5,000 | 6,167 | — | plan? late |
| Jan 2, 2015 AForm 4 → | Feb 13, 11:40 am EST | Maureen O HelmerDirector | 2,517 | $2.98 | $7,501 | 147,788 | — | plan? late |
| Jan 2, 2015 AForm 4 → | Feb 13, 11:39 am EST | Johannes Minho RothDirector | 2,307 | $2.98 | $6,875 | 30,469 | — | plan? late |
| Jan 2, 2015 AForm 4 → | Feb 13, 11:39 am EST | Gary K WillisDirector | 5,872 | $2.98 | $17,499 | 218,623 | — | plan? late |
| Jan 2, 2015 AForm 4 → | Feb 13, 11:39 am EST | Gregory KenausisDirector | 2,307 | $2.98 | $6,875 | 7,221 | — | plan? late |
| Jan 2, 2015 AForm 4 → | Feb 13, 11:38 am EST | Larry GarberdingDirector | 2,727 | $2.98 | $8,126 | 157,101 | — | plan? late |
| Oct 1, 2014 AGForm 5 → | Feb 13, 2015, 11:52 am EST | Douglas T HickeyDirector | 3,118 | $4.41 | $13,750 | 0 | — | plan? |
| Oct 1, 2014 AForm 5 → | Feb 13, 2015, 11:38 am EST | George C McNameeDirector | 5,102 | $4.41 | $22,500 | 261,250 | — | plan? |
| Oct 1, 2014 AForm 5 → | Feb 13, 2015, 11:37 am EST | Maureen O HelmerDirector | 1,701 | $4.41 | $7,501 | 145,271 | — | plan? |
| Oct 1, 2014 AForm 5 → | Feb 13, 2015, 11:36 am EST | Johannes Minho RothDirector | 1,559 | $4.41 | $6,875 | 28,162 | — | plan? |
| Oct 1, 2014 AForm 5 → | Feb 13, 2015, 11:36 am EST | Gary K WillisDirector | 3,968 | $4.41 | $17,499 | 212,751 | — | plan? |
| Oct 1, 2014 AForm 5 → | Feb 13, 2015, 11:35 am EST | Xavier PontoneDirector | 1,134 | $4.41 | $5,001 | 4,489 | — | plan? |
| Oct 1, 2014 AForm 5 → | Feb 13, 2015, 11:35 am EST | Gregory KenausisDirector | 1,559 | $4.41 | $6,875 | 4,914 | — | plan? |
| Oct 1, 2014 AForm 5 → | Feb 13, 2015, 11:34 am EST | Larry GarberdingDirector | 1,842 | $4.41 | $8,123 | 154,374 | — | plan? |
| Jul 23, 2014 FMForm 5 → | Feb 16, 2016, 5:18 pm EST | Gerard L Conway Jr.General Counsel | 15,148 | $5.63 | $22,728 | 0 | — | plan? |
| Jul 23, 2014 FMForm 5 → | Feb 16, 2016, 5:17 pm EST | Andrew MarshPresident and CEO, Director | 183,297 | $5.63 | $343,852 | 375,243 | — | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 AForm 4 → | Jul 2, 5:12 pm EDT | Andrew MarshDirector | 72,469 | — | — | 72,469 | — | |
| Jun 25, 2026 AForm 4 → | Jul 6, 4:20 pm EDT | Benjamin HaycraftCSO & GM EMEA | 719,837 | — | — | 362,694 | — | late |
| Jun 25, 2026 AForm 4 → | Jun 29, 7:17 pm EDT | Paul B MiddletonCFO & Executive VP | 510,204 | — | — | 510,204 | — | |
| Jun 25, 2026 AForm 4 → | Jun 29, 7:16 pm EDT | Gerard L Conway Jr.Gen. Coun, Corp Sec., Exec. VP | 719,837 | — | — | 362,694 | — | |
| Jun 25, 2026 AForm 4 → | Jun 29, 7:15 pm EDT | Dean FullertonChief Operating Officer | 822,671 | — | — | 414,508 | — | |
| Jun 25, 2026 AForm 4 → | Jun 29, 7:14 pm EDT | Jose Luis CrespoSee Remarks | 1,542,508 | — | — | 777,202 | — | |
| Jun 11, 2026 AForm 4 → | Jun 16, 6:45 pm EDT | Gary K WillisDirector | 39,753 | — | — | 39,753 | — | late |
| Jun 11, 2026 AForm 4 → | Jun 16, 6:44 pm EDT | George C McNameeDirector | 39,753 | — | — | 39,753 | — | late |
| Jun 11, 2026 AForm 4 → | Jun 16, 6:44 pm EDT | Gregory KenausisDirector | 39,753 | — | — | 39,753 | — | late |
| Jun 11, 2026 AForm 4 → | Jun 16, 6:41 pm EDT | Patrick JoggerstDirector | 39,753 | — | — | 39,753 | — | late |
| Jun 11, 2026 AForm 4 → | Jun 16, 6:41 pm EDT | Maureen O HelmerDirector | 39,753 | — | — | 39,753 | — | late |
| Jun 11, 2026 AForm 4 → | Jun 16, 6:40 pm EDT | Mark J BonneyDirector | 39,753 | — | — | 39,753 | — | late |
| Jun 11, 2026 AForm 4 → | Jun 16, 6:39 pm EDT | Colin M AngleDirector | 39,753 | — | — | 39,753 | — | late |
| Mar 2, 2026 AForm 4 → | Jun 16, 6:54 pm EDT | Andrew MarshDirector | 250,898 | — | — | 87,260 | — | late |
| Oct 15, 2018 MForm 4 → | Oct 17, 8:50 pm EDT | Gerard L Conway Jr.GC, Corp Secretary & Senior VP | 100,000 | — | — | 33,333 | — | |
| Aug 28, 2018 AForm 4 → | Aug 30, 6:08 pm EDT | Andrew MarshPresident and CEO, Director | 1,000,000 | — | — | 500,000 | — | |
| Aug 28, 2018 AForm 4 → | Aug 30, 6:07 pm EDT | Gerard L Conway Jr.Gen Consel, Corp Sec & SVP | 400,000 | — | — | 200,000 | — | |
| Aug 28, 2018 AForm 4 → | Aug 30, 6:06 pm EDT | Paul B MiddletonChief Financial Officer & SrVP | 400,000 | — | — | 200,000 | — | |
| Aug 28, 2018 AForm 4 → | Aug 30, 6:06 pm EDT | Martin Daniel HullCorporate Controller and CAO | 80,000 | — | — | 40,000 | — | |
| Aug 28, 2018 AForm 4 → | Aug 30, 6:05 pm EDT | Keith SchmidChief Operating Officer & SrVP | 500,000 | — | — | 250,000 | — | |
| Jun 25, 2018 AForm 4 → | Jul 2, 4:17 pm EDT | Jonathan M SilverDirector | 77,320 | — | — | 77,320 | — | late |
| May 16, 2018 AForm 4 → | May 18, 7:40 pm EDT | Gregory KenausisDirector | 29,621 | — | — | 29,621 | — | |
| May 16, 2018 AForm 4 → | May 18, 7:40 pm EDT | Gregory B GravesDirector | 29,621 | — | — | 29,621 | — | |
| May 16, 2018 AForm 4 → | May 18, 7:40 pm EDT | George C McNameeDirector | 29,621 | — | — | 29,621 | — | |
| May 16, 2018 AForm 4 → | May 18, 7:39 pm EDT | Gary K WillisDirector | 29,621 | — | — | 29,621 | — | |
| May 16, 2018 AForm 4 → | May 18, 7:39 pm EDT | Douglas T HickeyDirector | 29,621 | — | — | 29,621 | — | |
| May 16, 2018 AForm 4 → | May 18, 7:39 pm EDT | Lucas P SchneiderDirector | 29,621 | — | — | 29,621 | — | |
| May 16, 2018 AForm 4 → | May 18, 7:38 pm EDT | Maureen O HelmerDirector | 29,621 | — | — | 29,621 | — | |
| May 16, 2018 AForm 4 → | May 18, 7:38 pm EDT | Johannes Minho RothDirector | 29,621 | — | — | 29,621 | — | |
| Dec 1, 2017 AForm 4 → | Dec 5, 9:11 pm EST | Paul B MiddletonChief Financial Officer | 13,332 | — | — | 0 | — | |
| Aug 31, 2017 AForm 4 → | Sep 5, 8:30 pm EDT | Andrew MarshPresident & CEO, Director | 1,400,000 | — | — | 1,400,000 | — | |
| Aug 31, 2017 AForm 4 → | Sep 5, 8:30 pm EDT | Martin Daniel HullCorporate Controller and CAO | 100,000 | — | — | 100,000 | — | |
| Aug 31, 2017 AForm 4 → | Sep 5, 8:29 pm EDT | Keith SchmidChief Operating Officer & SrVP | 650,000 | — | — | 650,000 | — | |
| Aug 31, 2017 AForm 4 → | Sep 5, 8:29 pm EDT | Gerard L Conway Jr.Gen Consel, Corp Sec & SVP | 325,000 | — | — | 325,000 | — | |
| Aug 31, 2017 AForm 4 → | Sep 5, 8:28 pm EDT | Paul B MiddletonCFO & Senior Vice Preisdent | 550,000 | — | — | 550,000 | — | |
| Jun 28, 2017 AForm 4/A → | Sep 5, 12:52 pm EDT | Douglas T HickeyDirector | 29,343 | — | — | 29,343 | — | |
| Jun 28, 2017 AForm 4 → | Jun 30, 6:13 pm EDT | Douglas T HickeyDirector | 29,343 | — | — | 29,343 | — | amended |
| Jun 28, 2017 AForm 4 → | Jun 30, 6:12 pm EDT | Lucas P SchneiderDirector | 29,343 | — | — | 29,343 | — | |
| Jun 28, 2017 AForm 4 → | Jun 30, 6:12 pm EDT | George C McNameeDirector | 29,343 | — | — | 29,343 | — | |
| Jun 28, 2017 AForm 4 → | Jun 30, 6:11 pm EDT | Gary K WillisDirector | 29,343 | — | — | 29,343 | — | |
| Jun 28, 2017 AForm 4 → | Jun 30, 6:11 pm EDT | Johannes Minho RothDirector | 29,343 | — | — | 29,343 | — | |
| Jun 28, 2017 AForm 4 → | Jun 30, 6:10 pm EDT | Gregory KenausisDirector | 29,343 | — | — | 29,343 | — | |
| Jun 28, 2017 AForm 4 → | Jun 30, 6:09 pm EDT | Maureen O HelmerDirector | 29,343 | — | — | 29,343 | — | |
| Jun 28, 2017 AForm 4 → | Jun 30, 6:09 pm EDT | Gregory B GravesDirector | 29,343 | — | — | 29,343 | — | |
| May 10, 2017 AForm 4 → | May 15, 12:43 pm EDT | Gregory B GravesDirector | 69,767 | $2.15 | $149,999 | 69,767 | — | late |
| Mar 29, 2017 AForm 4 → | Apr 5, 6:06 am EDT | Lucas P SchneiderDirector | 101,352 | $1.48 | $150,001 | 101,352 | — | late |
| Mar 15, 2017 AForm 4 → | Jul 7, 3:26 pm EDT | FiveT Capital Holdings AGDirector | 18,926 | — | — | 930,103 | — | late |
| Jan 26, 2017 PForm 4 → | Jan 30, 5:43 pm EST | Johannes Minho RothDirector | 2,620 | $1,256.81 | $3,292,842 | 2,620 | — | |
| Jan 26, 2017 SForm 4 → | Jan 30, 4:16 pm EST | Liquide Investissements d'Avenir et de Demonstration AirDirector | 2,620 | $1,253.00 | $3,282,860 | 2,611 | — | |
| Dec 1, 2016 MForm 4 → | Dec 30, 4:03 pm EST | Paul B MiddletonChief Financial Officer | 13,334 | — | — | 0 | — | late |
| Aug 9, 2016 AForm 4 → | Aug 18, 4:06 pm EDT | Gerard L Conway Jr.General Counsel | 150,000 | — | — | 150,000 | — | late |
| Aug 9, 2016 AForm 4 → | Aug 18, 4:06 pm EDT | Keith SchmidChief Operating Officer | 250,000 | — | — | 250,000 | — | late |
| Aug 9, 2016 AForm 4 → | Aug 18, 4:05 pm EDT | Martin Daniel HullCorporate Controller & CAO | 75,000 | — | — | 75,000 | — | late |
| Aug 9, 2016 AForm 4 → | Aug 18, 4:05 pm EDT | Paul B MiddletonChief Financial Officer | 300,000 | — | — | 300,000 | — | late |
| Aug 9, 2016 AForm 4 → | Aug 18, 4:05 pm EDT | Andrew MarshPresident and CEO, Director | 937,500 | — | — | 937,500 | — | late |
| Jul 23, 2016 MForm 4 → | Jul 26, 4:15 pm EDT | Andrew MarshPresident and CEO, Director | 122,222 | — | — | 0 | — | |
| Jul 23, 2016 MForm 4 → | Jul 26, 4:13 pm EDT | Gerard L Conway Jr.General Counsel | 11,111 | — | — | 0 | — | |
| May 18, 2016 AForm 4 → | May 20, 1:54 pm EDT | Gary K WillisDirector | 30,000 | — | — | 30,000 | — | |
| May 18, 2016 AForm 4 → | May 20, 1:53 pm EDT | Johannes Minho RothDirector | 30,000 | — | — | 30,000 | — | |
| May 18, 2016 AForm 4 → | May 20, 1:53 pm EDT | George C McNameeDirector | 30,000 | — | — | 30,000 | — | |
| May 18, 2016 AForm 4 → | May 20, 1:53 pm EDT | Gregory KenausisDirector | 30,000 | — | — | 30,000 | — | |
| May 18, 2016 AForm 4 → | May 20, 1:52 pm EDT | Douglas T HickeyDirector | 30,000 | — | — | 30,000 | — | |
| May 18, 2016 AForm 4 → | May 20, 1:52 pm EDT | Maureen O HelmerDirector | 30,000 | — | — | 30,000 | — | |
| May 18, 2016 AForm 4 → | May 20, 1:51 pm EDT | Larry GarberdingDirector | 30,000 | — | — | 30,000 | — | |
| Mar 18, 2016 XForm 4 → | Mar 22, 7:34 pm EDT | George C McNameeDirector | 96,774 | — | — | 0 | — | |
| Mar 18, 2016 XForm 4 → | Mar 22, 7:34 pm EDT | Andrew MarshPresident and CEO, Director | 21,505 | — | — | 0 | — | |
| Dec 1, 2015 MForm 4/A → | Dec 4, 8:43 pm EST | Paul B MiddletonSVP, CFO - See Remarks | 13,334 | — | — | 26,666 | — | |
| Dec 1, 2015 MForm 4 → | Dec 3, 4:23 pm EST | Paul B MiddletonPresident, CFO | 13,334 | — | — | 26,666 | — | amended |
| Aug 27, 2015 XForm 4 → | Aug 27, 12:28 pm EDT | Andrew MarshPresident and CEO, Director | 26,882 | — | — | 1,935,022 | — | |
| Jul 23, 2015 AForm 5 → | Feb 16, 2016, 5:20 pm EST | Keith SchmidChief Operating Officer | 250,000 | — | — | 1,050,000 | — | |
| Jul 23, 2015 AForm 5 → | Feb 16, 2016, 5:20 pm EST | Paul B MiddletonSVP, CFO | 250,000 | — | — | 500,000 | — | |
| Jul 23, 2015 AMForm 5 → | Feb 16, 2016, 5:19 pm EST | Gerard L Conway Jr.General Counsel | 211,112 | — | — | 649,949 | — | |
| Jul 23, 2015 AMForm 5 → | Feb 16, 2016, 5:16 pm EST | Andrew MarshPresident and CEO, Director | 750,000 | — | — | 2,296,850 | — | |
| May 21, 2015 AForm 5 → | Feb 16, 2016, 5:21 pm EST | Xavier PontoneDirector | 30,000 | — | — | 105,000 | — | |
| May 21, 2015 AForm 5 → | Feb 16, 2016, 5:21 pm EST | Johannes Minho RothDirector | 30,000 | — | — | 115,000 | — | |
| May 21, 2015 AForm 4 → | Jul 17, 3:37 pm EDT | Maureen O HelmerDirector | 30,000 | — | — | 30,000 | — | late |
| May 21, 2015 AForm 4 → | Jul 17, 3:36 pm EDT | Larry GarberdingDirector | 30,000 | — | — | 30,000 | — | late |
| May 21, 2015 AForm 4 → | Jul 17, 3:36 pm EDT | Gregory KenausisDirector | 30,000 | — | — | 30,000 | — | late |
| May 21, 2015 AForm 4 → | Jul 17, 3:35 pm EDT | George C McNameeDirector | 30,000 | — | — | 30,000 | — | late |
| May 21, 2015 AForm 4 → | Jul 17, 3:35 pm EDT | Gary K WillisDirector | 30,000 | — | — | 30,000 | — | late |
| May 21, 2015 AForm 4 → | Jul 17, 3:34 pm EDT | Douglas T HickeyDirector | 30,000 | — | — | 30,000 | — | late |
| Apr 1, 2015 AForm 4 → | Apr 1, 4:52 pm EDT | Martin Daniel HullCorporate Controller and CAO | 100,000 | — | — | 100,000 | — | |
| Jul 23, 2014 MForm 5 → | Feb 16, 2016, 5:18 pm EST | Gerard L Conway Jr.General Counsel | 11,111 | — | — | 22,223 | — | |
| Jul 23, 2014 MForm 5 → | Feb 16, 2016, 5:17 pm EST | Andrew MarshPresident and CEO, Director | 122,222 | — | — | 244,445 | — | |
| Jul 23, 2014 AForm 5 → | Feb 13, 2015, 11:52 am EST | Douglas T HickeyDirector | 12,000 | — | — | 102,000 | — | |
| Jul 23, 2014 AForm 5 → | Feb 13, 2015, 11:37 am EST | Maureen O HelmerDirector | 10,000 | — | — | 115,700 | — | |
| Jul 23, 2014 AForm 5 → | Feb 13, 2015, 11:36 am EST | Gary K WillisDirector | 12,000 | — | — | 121,900 | — | |
| Jul 23, 2014 AForm 5 → | Feb 13, 2015, 11:35 am EST | Xavier PontoneDirector | 10,000 | — | — | 75,000 | — | |
| Jul 23, 2014 AForm 5 → | Feb 13, 2015, 11:35 am EST | Gregory KenausisDirector | 10,000 | — | — | 75,000 | — | |
| Jul 23, 2014 AForm 5 → | Feb 13, 2015, 11:34 am EST | Larry GarberdingDirector | 15,000 | — | — | 133,000 | — | |
| Sep 16, 2013 CForm 5 → | Feb 13, 2015, 11:38 am EST | Andrew MarshPresident and CEO, Director | 48,387 | $2.42 | $117,097 | 1,961,904 | — | |
| Sep 16, 2013 ACForm 5 → | Feb 13, 2015, 11:38 am EST | George C McNameeDirector | 111,774 | $2.42 | $234,193 | 242,274 | — | |
| Jun 28, 2013 AForm 5 → | Feb 13, 2015, 11:36 am EST | Johannes Minho RothDirector | 20,000 | — | — | 85,000 | — |