InsiderClue
Stocks · Technology · Electrical Industrial Apparatus

PLUG POWER INC

PLUG Clue Score35
United States Fiscal year ends December CIK 0001093691 Results filed 15 Oct 2026
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What the insiders did Net selling

Individual transactions

73
Insider
Date
Role
Action
Shares
Price
Amount
Andrew Marsh
19 Jan 2021
President & CEO
Sold after exercise
5,178
$68.31
$353.71K
Andrew Marsh
19 Jan 2021
President & CEO
Sold after exercise
101,766
$67.73
$6.89M
Andrew Marsh
19 Jan 2021
President & CEO
Sold after exercise
132,753
$66.58
$8.84M
Andrew Marsh
19 Jan 2021
President & CEO
Sold after exercise
114,120
$65.66
$7.49M
Andrew Marsh
19 Jan 2021
President & CEO
Sold after exercise
156,051
$64.82
$10.12M
Andrew Marsh
19 Jan 2021
President & CEO
Sold after exercise
49,918
$63.97
$3.19M
Andrew Marsh
19 Jan 2021
President & CEO
Sold after exercise
13,482
$62.65
$844.65K
George C McNamee
13 Jan 2021
Director
Sold after exercise
10,000
$70.45
$704.50K
George C McNamee
12 Jan 2021
Director
Sold after exercise
10,000
$62.40
$624.00K
George C McNamee
8 Jan 2021
Director
Sold after exercise
10,000
$52.07
$520.70K
Gerard L Conway JR
8 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
33,333
$52.07
$1.74M
Gerard L Conway JR
7 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
33,333
$43.68
$1.46M
George C McNamee
6 Jan 2021
Director
Sold after exercise
10,000
$35.00
$350.00K
Gerard L Conway JR
4 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
5,600
$34.59
$193.70K
Gerard L Conway JR
4 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
6,100
$33.62
$205.07K
Gerard L Conway JR
4 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
35,095
$32.71
$1.15M
Gerard L Conway JR
4 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
61,538
$31.94
$1.97M
Paul B Middleton
24 Dec 2020
CFO & Senior VP
Sold after exercise
216,667
$35.13
$7.61M
Keith Schmid
17 Dec 2020
COO & Sr. VP
Sold after exercise
200,000
$30.00
$6.00M
Keith Schmid
15 Dec 2020
COO & Sr. VP
Sold after exercise
83,333
$27.04
$2.25M
Keith Schmid
14 Dec 2020
COO & Sr. VP
Sold after exercise
250,000
$26.23
$6.56M
Gary K Willis
11 Dec 2020
Director
Sold after exercise
14,300
$27.46
$392.73K
Gary K Willis
11 Dec 2020
Director
Sold after exercise
75,900
$26.75
$2.03M
Keith Schmid
12 Nov 2020
COO & Sr. VP
Sold after exercise
83,333
$22.84
$1.90M
Jonathan M Silver
9 Nov 2020
Director
Sold after exercise
42,576
$20.00
$851.60K
George C McNamee
9 Nov 2020
Director
Sold after exercise
30,000
$21.05
$631.43K
Jonathan M Silver
14 Oct 2020
Director
Sold after exercise
76,286
$17.39
$1.33M
Paul B Middleton
12 Oct 2020
CFO & Senior VP
Sold after exercise
697,066
$18.49
$12.89M
George C McNamee
8 Oct 2020
Director
Sold after exercise
45,000
$19.00
$855.00K
Keith Schmid
7 Oct 2020
COO & Sr. VP
Sold after exercise
650,000
$18.00
$11.70M
Keith Schmid
6 Oct 2020
COO & Sr. VP
Sold after exercise
83,334
$16.04
$1.34M
Martin Daniel Hull
5 Oct 2020
Corporate Controller and CAO
Sold after exercise
68,565
$14.87
$1.02M
Keith Schmid
5 Oct 2020
COO & Sr. VP
Sold after exercise
83,333
$15.00
$1.25M
Keith Schmid
1 Oct 2020
COO & Sr. VP
Sold after exercise
83,333
$14.00
$1.17M
Keith Schmid
21 Sep 2020
COO & Sr. VP
Sold after exercise
200,000
$13.00
$2.60M
Martin Daniel Hull
31 Aug 2020
Corporate Controller and CAO
Sold after exercise
33,333
$13.11
$437.00K
Gerard L Conway JR
28 Aug 2020
Gen. Counsel, Corp Sec, Sr. VP
Sold after exercise
66,667
$12.96
$864.25K
Andrew Marsh
28 Aug 2020
President & CEO
Sold after exercise
166,666
$12.95
$2.16M
Andrew Marsh
19 Aug 2020
President & CEO
Sold after exercise
36,376
$14.12
$513.69K
Andrew Marsh
19 Aug 2020
President & CEO
Sold after exercise
180,290
$13.69
$2.47M
Paul B Middleton
10 Aug 2020
CFO & Senior VP
Sold after exercise
550,000
$12.00
$6.60M
George C McNamee
6 Aug 2020
Director
Sold after exercise
65,000
$10.30
$669.19K
Sanjay K Shrestha
6 Aug 2020
Chief Strategy Officer
Sold after exercise
20,000
$10.15
$203.02K
George C McNamee
13 Jul 2020
Director
Sold after exercise
100
$9.47
$947.00
George C McNamee
13 Jul 2020
Director
Sold after exercise
1,400
$8.79
$12.31K
Sanjay K Shrestha
9 Jul 2020
Chief Strategy Officer
Sold after exercise
64,825
$8.82
$572.00K
Andrew Marsh
6 Jul 2020
President and CEO
Sold after exercise
1,166,667
$10.01
$11.68M
Martin Daniel Hull
6 Jul 2020
Corporate Controller and CAO
Sold after exercise
66,667
$10.00
$666.67K
Paul B Middleton
6 Jul 2020
CFO & Senior VP
Sold after exercise
250,000
$10.00
$2.50M
Gerard L Conway JR
29 Jun 2020
Gen. Counsel, Corp Sec, Sr VP
Sold after exercise
291,000
$7.94
$2.31M
Keith Schmid
24 Jun 2020
COO & Sr. VP
Sold after exercise
30,621
$7.25
$222.00K
Andrew Marsh
24 Jun 2020
President & CEO
Sold after exercise
961,059
$7.30
$7.02M
Keith Schmid
23 Jun 2020
COO & Sr. VP
Sold after exercise
169,379
$7.00
$1.19M
Maureen O Helmer
23 Jun 2020
Director
Sold after exercise
150,164
$6.29
$944.55K
Andrew Marsh
23 Jun 2020
President & CEO
Sold after exercise
255,607
$7.00
$1.79M
Andrew Marsh
8 Jun 2020
President and CEO
Sold after exercise
657,002
$5.03
$3.30M
Andrew Marsh
5 Jun 2020
President and CEO
Sold after exercise
358,378
$5.03
$1.80M
Andrew Marsh
4 Jun 2020
President and CEO
Sold after exercise
103,931
$5.00
$519.66K
Maureen O Helmer
16 Apr 2020
Director
Sold after exercise
115,000
$4.29
$492.90K
Martin Daniel Hull
20 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$6.00
$210.00K
Keith Schmid
20 Feb 2020
COO & Sr. VP
Sold after exercise
50,000
$6.00
$300.00K
Martin Daniel Hull
19 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$5.50
$192.50K
Gerard L Conway JR
19 Feb 2020
Gen. Counsel,Corp.Sec.,Sr. VP
Sold after exercise
367,534
$5.10
$1.87M
Andrew Marsh
19 Feb 2020
President & CEO
Sold after exercise
834,036
$5.10
$4.25M
Martin Daniel Hull
18 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$5.00
$175.00K
Keith Schmid
18 Feb 2020
COO & Sr. VP
Sold after exercise
50,000
$5.00
$250.00K
Gerard L Conway JR
18 Feb 2020
Gen. Counsel,Corp.Sec.,Sr. VP
Sold after exercise
115,800
$5.00
$579.00K
Andrew Marsh
18 Feb 2020
President & CEO
Sold after exercise
315,964
$5.00
$1.58M
Martin Daniel Hull
12 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$4.50
$157.62K
Martin Daniel Hull
4 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$4.00
$140.00K
Gerard L Conway JR
13 Jan 2020
Gen.Counsel, Corp. Sec.,Sr. VP
Sold after exercise
99,999
$4.26
$425.70K
Gerard L Conway JR
6 Jan 2020
Gen.Counsel, Corp. Sec.,Sr. VP
Sold after exercise
100,000
$3.50
$350.00K
Gerard L Conway JR
15 Oct 2018
GC, Corp Secretary & Senior VP
Sold after exercise
100,000
$1.86
$185.85K
Show all 143 transactions →

What was left out

Form 4 filings counted 600
Amendments (4/A) skipped 3
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 13
Sales straight out of an exercise 73
Sales at will 37
Transactions with no price 0
Shares from compensation/vesting 28,915,917
Sales filed before the plan box existed 35
History held since 4 Oct 2006