Insider Holders & Insider Ownership - PLUG POWER INC (PLUG)

List of insiders holdings for PLUG POWER INC:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1MMC NORLISK NICKEL
10% Owner		2011-05-10 19:21:130
44,626,939		44,626,939Form 4
2AXANE SA
Director		2015-08-28 14:29:545,593,918
0		5,593,918Form 13D
3JSC INTER RAO Capital
10% Owner		2013-12-05 12:11:364,462,693
0		4,462,693Form 13D
4Joint Stock Co INTER RAO UES
10% Owner		2013-12-05 11:27:390
4,462,693		4,462,693Form 4/A
5MECHANICAL TECHNOLOGY INC
Former 10% Owner		2005-08-26 13:19:243,793,436
0		3,793,436Form 13D
6MARXE AUSTIN W & GREENHOUSE DAVID M
10% Owner		2013-03-07 13:27:122,802,640
0		2,802,640Form 13G
7MIDDLETON PAUL B
See Remarks		2025-06-09 12:38:382,558,064
56,047		2,614,111Form 4
8MCNAMEE GEORGE C
Director		2025-07-24 16:22:17886,054
300,000		1,186,054Form 4
9Marsh Andrew
President and CEO		2025-09-12 19:37:00890,604
115,464		1,006,068Form 4
10Fullerton Dean
Chief Operating Officer		2025-09-08 20:43:391,000,000
0		1,000,000Form 4
11Crespo Jose Luis
Chief Revenue Officer		2025-09-08 20:40:151,000,000
0		1,000,000Form 4
12Conway Gerard L JR
Gen. Coun, Corp Sec., Exec. VP		2025-09-08 20:38:401,000,000
0		1,000,000Form 4
13DTE ENERGY CO
10% Owner		2009-10-21 17:05:15791,745
0		791,745Form 13G
14Shrestha Sanjay K
CSO & GM, Energy Solutions		2024-04-30 16:17:38750,000
0		750,000Form 4
15WILLIS GARY K
Director		2025-07-24 16:15:17736,440
0		736,440Form 4
16Corless Adrian J
Chief Technology Officer		2013-07-30 09:35:39627,234
0		627,234Form 4
17Schmid Keith
GM New Mkts & Pres New Prd Dv		2023-10-03 19:39:38474,776
46,205		520,981Form 4
18Kenausis Gregory
Director		2025-07-24 16:20:06520,054
0		520,054Form 4
19Hansen Erik J
VP of Sales		2014-07-29 19:45:57512,917
0		512,917Form 4
20Haycraft Benjamin
CSO & GM of EMEA Region		2025-09-18 16:30:14477,583
0		477,583Form 4
21Schmidt Keith
GM New Mkts & Pres New Prd Dv		2022-12-02 18:44:40417,971
44,797		462,768Form 4
22HELMER MAUREEN O
Director		2025-07-24 16:18:14422,334
0		422,334Form 4
23Mahtani Kavita
Director		2025-07-24 16:21:18285,344
0		285,344Form 4
24BONNEY MARK J
Director		2025-07-24 16:17:14266,786
0		266,786Form 4
25Joggerst Patrick
Director		2025-07-24 16:19:15254,732
0		254,732Form 4
26Roth Johannes Minho
Director		2022-07-15 16:02:24234,633
0		234,633Form 4
27Johnson Bradley H
VP Customer Operations		2008-05-22 16:52:31226,000
0		226,000Form 4
28Hull Martin Daniel
Corporate Controller and CAO		2025-05-07 16:05:47179,873
46,090		225,963Form 4
29GARBERDING LARRY
Director		2017-04-05 16:32:25197,714
0		197,714Form 4
30Mindnich David
EVP, Global Manufacturing		2024-01-19 08:55:07185,416
2,227		187,643Form 4
31Angle Colin M
Director		2025-07-24 16:16:36173,082
0		173,082Form 4
32NEUMANN DAVID A
Chief Financial Officer		2006-02-10 16:13:57152,261
0		152,261Form 4
33Schneider Lucas P
Director		2023-04-05 16:06:45135,302
0		135,302Form 4
34GRAVES GREGORY B
Director		2019-07-01 19:57:40110,487
0		110,487Form 4
35HICKEY DOUGLAS T
Director		2018-07-05 16:24:46109,912
0		109,912Form 4
36Millington Joseph M
VP Human Resources		2008-05-22 16:51:59103,890
0		103,890Form 4
37Hoefelmann Dirk Ole
GM, Electrolyzers & Exec VP		2023-04-27 19:39:41100,000
0		100,000Form 4/A
38Anderson Gerald A
Chief Financial Officer		2011-12-16 15:19:21100,000
0		100,000Form 4
39SHALIKASHVILI JOHN M
Director		2006-06-30 15:53:3895,000
0		95,000Form 4
40EARLEY ANTHONY F JR
Director		2005-06-03 15:28:2793,000
0		93,000Form 4
41SPERRY MARK A
VP & GM, Continuous Power Div		2010-03-26 17:27:0287,802
0		87,802Form 4/A
42NELSON JEAN M
Chief Financial Officer		2006-11-28 17:18:5884,000
0		84,000Form 4
43Hutchison Thomas M
Vice President of Engineering		2008-05-22 16:53:0082,000
0		82,000Form 4
44Reid Chris
Vice President		2009-05-22 15:16:4179,500
0		79,500Form 4
45Greenberg Allan
Vice President, Sales		2008-05-22 16:53:4377,000
0		77,000Form 4
46Silver Jonathan M
Director		2023-07-06 17:27:4875,715
0		75,715Form 4
47Miroshnichenko Evgeny
Director		2014-07-02 15:51:5462,254
0		62,254Form 4
48GRANT J DOUGLAS
Director		2009-01-07 12:01:1557,413
0		57,413Form 4
49DRAZAN JEFFREY M
Director		2011-01-10 15:39:4053,508
0		53,508Form 4
50SILVESTRI GREGORY A
Chief Operating Officer		2007-03-06 09:52:1751,599
0		51,599Form 4
51Rasskazov Evgeny
Director		2013-07-05 16:59:3051,344
0		51,344Form 4
52SAILLANT ROGER B
CEO		2005-05-16 15:12:2850,169
0		50,169Form 4
53ELTER JOHN F
VP Res. & System Architecture		2007-03-06 09:52:5042,820
0		42,820Form 4
54Air Liquide Investissements d'Avenir et de Demonstration
Director		2017-09-27 13:13:0339,324
0		39,324Form 4
55STEWART RICHARD ROSS
Director		2005-06-03 15:29:4835,000
0		35,000Form 4
56Woicke Peter
Director		2009-01-07 12:39:3433,567
0		33,567Form 4
57Pontone Xavier
Director		2017-04-05 16:35:4031,161
0		31,161Form 4
58Gross Joel D
Director		2009-04-03 14:02:2728,396
0		28,396Form 4
59BUA JEAN A
Director		2023-07-06 17:25:3022,669
0		22,669Form 4
60BUCKLER ROBERT J
Director		2005-12-23 11:33:5315,000
0		15,000Form 3
61Bucknam Allen K
VP Strategy and Business Dev		2007-10-24 15:14:5013,968
0		13,968Form 4
62Powers Robert Patrick
Acting Chief Financial Officer		2006-06-30 16:35:0012,591
0		12,591Form 3
63Batekhin Sergey
Director		2008-10-06 10:52:0212,093
0		12,093Form 4
64McGuire Michael E Jr
Director		2009-04-03 14:43:3911,816
0		11,816Form 4
65Rosenblum Lisa
Director		2008-10-06 13:54:3611,394
0		11,394Form 4
66Polikarpov Sergey
Director		2008-07-03 10:42:3711,180
0		11,180Form 4
67Pivnyuk Dennis V
Director		2009-04-03 15:21:069,916
0		9,916Form 4
68Dimitri Andrew
Director		2009-04-03 13:32:017,391
0		7,391Form 4
69Harriman Kim
Director		2022-07-15 16:04:126,471
0		6,471Form 4
70Smart Hydrogen Inc
NORILSK HOLDINGS SA
Clayburn Development Inc.
Branton LTD
PROKHOROV MIKHAIL D
POTANIN VLADIMIR O
10% Owner		2008-05-21 10:55:480
0		0Form 13D
71SMART HYDROGEN INC.
Clayburn Development Inc.
Branton LTD
10% Owner		2008-12-23 18:53:430
0		0Form 4
72WALDEK DAVID P
Interim CFO		2007-03-07 11:29:050
0		0Form 3
73PROKHOROV MIKHAIL D
10% Owner		2008-05-21 10:55:480
0		0Form 13D
74Song Kyungyeol
Director		2021-03-08 21:31:440
0		0Form 3
75POTANIN VLADIMIR O
10% Owner		2009-04-17 17:24:430
0		0Form 4
76OJSC Third Generation Co of the Wholesale Electricity Market
10% Owner		2012-10-01 17:19:210
0		0Form 13D
77FiveT Capital Holding AG
Director		2020-11-17 19:04:150
0		0Form 4