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PLUG POWER INC

PLUG Net selling
CIK 0001093691 #1750 in the set updated 17 Sep 2026
Bought (120 mo)
$1.71M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$274.43M
$591.25K on a plan · $168.62M straight out of an exercise
Sold at will
$105.22M
38 of 122 sales
Net
−$272.71M
−$103.51M against sales at will

By person

30 insiders · 142 transactions
Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
Marsh Andrew
Director
$30.00K (1)
$76.17M (19) scheduled
−$76.14M
853,378
0.0611%
$1.76M
+45.0%
FiveT Capital Holding AG entity
Director
—
$48.39M (4)
−$48.39M
1,915,034
0.1371%
$3.94M
−4.2%
Roth Johannes Minho
Director
—
$48.39M (4)
−$48.39M
234,633
0.0168%
$483.34K
+67.4%
Schmid Keith
GM New Mkts & Pres New Prd Dv
—
$36.73M (13) scheduled
−$36.73M
474,776
0.0340%
$978.04K
+1,572%
MIDDLETON PAUL B
CFO & Executive VP
$922.43K (2)
$29.60M (4) scheduled
−$28.67M
2,947,169
0.2109%
$6.07M
+3,124%
Conway Gerard L JR
Gen. Coun, Corp Sec., Exec. VP
—
$14.35M (16) scheduled
−$14.35M
259,482
0.0186%
$534.53K
+236.2%
HELMER MAUREEN O
Director
—
$3.82M (8)
−$3.82M
361,318
0.0259%
$744.32K
+159.6%
MCNAMEE GEORGE C
Director
$674.28K (10)
$4.44M (12) scheduled
−$3.76M
1,173,282
0.0840%
$2.42M
+187.2%
Hull Martin Daniel
Corporate Controller and CAO
—
$3.00M (8) scheduled
−$3.00M
179,873
0.0129%
$370.54K
+979.2%
Kenausis Gregory
Director
—
$2.98M (6)
−$2.98M
514,412
0.0368%
$1.06M
+1,485%
WILLIS GARY K
Director
—
$2.42M (2) scheduled
−$2.42M
730,107
0.0523%
$1.50M
+199.7%
Silver Jonathan M
Director
—
$2.27M (3) scheduled
−$2.27M
75,715
0.0054%
$155.97K
—
Shrestha Sanjay K
CSO & GM, Energy Solutions
—
$937.08K (3) scheduled
−$937.08K
160,270
0.0115%
$330.16K
+220.5%
Haycraft Benjamin
CSO & GM EMEA
—
$327.62K (7) scheduled
−$327.62K
301,249
0.0216%
$620.57K
−38.3%
Schneider Lucas P
Director
—
$192.48K (5)
−$192.48K
135,302
0.0097%
$278.72K
—
Crespo Jose Luis
See Remarks
$87.28K (1)
$279.33K (2)
−$192.05K
307,332
0.0220%
$633.10K
−11.3%
Air Liquide Investissements d'Avenir et de Demonstration
Director
—
$92.85K (5)
−$92.85K
39,324
0.0028%
$81.01K
−32.6%
GRAVES GREGORY B
Director
—
$54.28K (1)
−$54.28K
83,431
0.0060%
$171.87K
—
Schmidt Keith
GM New Mkts & Pres New Prd Dv
—
—
—
417,971
0.0299%
$861.02K
−14.2%
Hoefelmann Dirk Ole
GM, Electrolyzers & Exec VP
—
—
—
280,064
0.0200%
$576.93K
+12.0%
BONNEY MARK J
Director
—
—
—
271,530
0.0194%
$559.35K
—
Joggerst Patrick
Director
—
—
—
253,184
0.0181%
$521.56K
—
Mahtani Kavita
Director
—
—
—
239,847
0.0172%
$494.08K
—
GARBERDING LARRY
Director
—
—
—
197,714
0.0142%
$407.29K
+9.7%
Mindnich David
EVP, Global Manufacturing
—
—
—
185,416
0.0133%
$381.96K
−15.0%
Angle Colin M
Director
—
—
—
153,102
0.0110%
$315.39K
—
HICKEY DOUGLAS T
Director
—
—
—
109,912
0.0079%
$226.42K
+400.9%
Pontone Xavier
Director
—
—
—
31,161
0.0022%
$64.19K
+52.4%
BUA JEAN A
Director
—
—
—
22,669
0.0016%
$46.70K
—
Harriman Kim
Director
—
—
—
6,471
0.0005%
$13.33K
—

Individual transactions

73
Insider
Date
Role
Action
Shares
Price
Amount
Marsh Andrew
19 Jan 2021
President & CEO
Sold after exercise
5,178
$68.31
$353.71K
Marsh Andrew
19 Jan 2021
President & CEO
Sold after exercise
101,766
$67.73
$6.89M
Marsh Andrew
19 Jan 2021
President & CEO
Sold after exercise
132,753
$66.58
$8.84M
Marsh Andrew
19 Jan 2021
President & CEO
Sold after exercise
114,120
$65.66
$7.49M
Marsh Andrew
19 Jan 2021
President & CEO
Sold after exercise
156,051
$64.82
$10.12M
Marsh Andrew
19 Jan 2021
President & CEO
Sold after exercise
49,918
$63.97
$3.19M
Marsh Andrew
19 Jan 2021
President & CEO
Sold after exercise
13,482
$62.65
$844.65K
MCNAMEE GEORGE C
13 Jan 2021
Director
Sold after exercise
10,000
$70.45
$704.50K
MCNAMEE GEORGE C
12 Jan 2021
Director
Sold after exercise
10,000
$62.40
$624.00K
MCNAMEE GEORGE C
8 Jan 2021
Director
Sold after exercise
10,000
$52.07
$520.70K
Conway Gerard L JR
8 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
33,333
$52.07
$1.74M
Conway Gerard L JR
7 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
33,333
$43.68
$1.46M
MCNAMEE GEORGE C
6 Jan 2021
Director
Sold after exercise
10,000
$35.00
$350.00K
Conway Gerard L JR
4 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
5,600
$34.59
$193.70K
Conway Gerard L JR
4 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
6,100
$33.62
$205.07K
Conway Gerard L JR
4 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
35,095
$32.71
$1.15M
Conway Gerard L JR
4 Jan 2021
Gen Counsel, Corp Sec, Sr VP
Sold after exercise
61,538
$31.94
$1.97M
MIDDLETON PAUL B
24 Dec 2020
CFO & Senior VP
Sold after exercise
216,667
$35.13
$7.61M
Schmid Keith
17 Dec 2020
COO & Sr. VP
Sold after exercise
200,000
$30.00
$6.00M
Schmid Keith
15 Dec 2020
COO & Sr. VP
Sold after exercise
83,333
$27.04
$2.25M
Schmid Keith
14 Dec 2020
COO & Sr. VP
Sold after exercise
250,000
$26.23
$6.56M
WILLIS GARY K
11 Dec 2020
Director
Sold after exercise
14,300
$27.46
$392.73K
WILLIS GARY K
11 Dec 2020
Director
Sold after exercise
75,900
$26.75
$2.03M
Schmid Keith
12 Nov 2020
COO & Sr. VP
Sold after exercise
83,333
$22.84
$1.90M
Silver Jonathan M
9 Nov 2020
Director
Sold after exercise
42,576
$20.00
$851.60K
MCNAMEE GEORGE C
9 Nov 2020
Director
Sold after exercise
30,000
$21.05
$631.43K
Silver Jonathan M
14 Oct 2020
Director
Sold after exercise
76,286
$17.39
$1.33M
MIDDLETON PAUL B
12 Oct 2020
CFO & Senior VP
Sold after exercise
697,066
$18.49
$12.89M
MCNAMEE GEORGE C
8 Oct 2020
Director
Sold after exercise
45,000
$19.00
$855.00K
Schmid Keith
7 Oct 2020
COO & Sr. VP
Sold after exercise
650,000
$18.00
$11.70M
Schmid Keith
6 Oct 2020
COO & Sr. VP
Sold after exercise
83,334
$16.04
$1.34M
Hull Martin Daniel
5 Oct 2020
Corporate Controller and CAO
Sold after exercise
68,565
$14.87
$1.02M
Schmid Keith
5 Oct 2020
COO & Sr. VP
Sold after exercise
83,333
$15.00
$1.25M
Schmid Keith
1 Oct 2020
COO & Sr. VP
Sold after exercise
83,333
$14.00
$1.17M
Schmid Keith
21 Sep 2020
COO & Sr. VP
Sold after exercise
200,000
$13.00
$2.60M
Hull Martin Daniel
31 Aug 2020
Corporate Controller and CAO
Sold after exercise
33,333
$13.11
$437.00K
Conway Gerard L JR
28 Aug 2020
Gen. Counsel, Corp Sec, Sr. VP
Sold after exercise
66,667
$12.96
$864.25K
Marsh Andrew
28 Aug 2020
President & CEO
Sold after exercise
166,666
$12.95
$2.16M
Marsh Andrew
19 Aug 2020
President & CEO
Sold after exercise
36,376
$14.12
$513.69K
Marsh Andrew
19 Aug 2020
President & CEO
Sold after exercise
180,290
$13.69
$2.47M
MIDDLETON PAUL B
10 Aug 2020
CFO & Senior VP
Sold after exercise
550,000
$12.00
$6.60M
MCNAMEE GEORGE C
6 Aug 2020
Director
Sold after exercise
65,000
$10.30
$669.19K
Shrestha Sanjay K
6 Aug 2020
Chief Strategy Officer
Sold after exercise
20,000
$10.15
$203.02K
MCNAMEE GEORGE C
13 Jul 2020
Director
Sold after exercise
100
$9.47
$947.00
MCNAMEE GEORGE C
13 Jul 2020
Director
Sold after exercise
1,400
$8.79
$12.31K
Shrestha Sanjay K
9 Jul 2020
Chief Strategy Officer
Sold after exercise
64,825
$8.82
$572.00K
Marsh Andrew
6 Jul 2020
President and CEO
Sold after exercise
1,166,667
$10.01
$11.68M
Hull Martin Daniel
6 Jul 2020
Corporate Controller and CAO
Sold after exercise
66,667
$10.00
$666.67K
MIDDLETON PAUL B
6 Jul 2020
CFO & Senior VP
Sold after exercise
250,000
$10.00
$2.50M
Conway Gerard L JR
29 Jun 2020
Gen. Counsel, Corp Sec, Sr VP
Sold after exercise
291,000
$7.94
$2.31M
Schmid Keith
24 Jun 2020
COO & Sr. VP
Sold after exercise
30,621
$7.25
$222.00K
Marsh Andrew
24 Jun 2020
President & CEO
Sold after exercise
961,059
$7.30
$7.02M
Schmid Keith
23 Jun 2020
COO & Sr. VP
Sold after exercise
169,379
$7.00
$1.19M
HELMER MAUREEN O
23 Jun 2020
Director
Sold after exercise
150,164
$6.29
$944.55K
Marsh Andrew
23 Jun 2020
President & CEO
Sold after exercise
255,607
$7.00
$1.79M
Marsh Andrew
8 Jun 2020
President and CEO
Sold after exercise
657,002
$5.03
$3.30M
Marsh Andrew
5 Jun 2020
President and CEO
Sold after exercise
358,378
$5.03
$1.80M
Marsh Andrew
4 Jun 2020
President and CEO
Sold after exercise
103,931
$5.00
$519.66K
HELMER MAUREEN O
16 Apr 2020
Director
Sold after exercise
115,000
$4.29
$492.90K
Hull Martin Daniel
20 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$6.00
$210.00K
Schmid Keith
20 Feb 2020
COO & Sr. VP
Sold after exercise
50,000
$6.00
$300.00K
Hull Martin Daniel
19 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$5.50
$192.50K
Conway Gerard L JR
19 Feb 2020
Gen. Counsel,Corp.Sec.,Sr. VP
Sold after exercise
367,534
$5.10
$1.87M
Marsh Andrew
19 Feb 2020
President & CEO
Sold after exercise
834,036
$5.10
$4.25M
Hull Martin Daniel
18 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$5.00
$175.00K
Schmid Keith
18 Feb 2020
COO & Sr. VP
Sold after exercise
50,000
$5.00
$250.00K
Conway Gerard L JR
18 Feb 2020
Gen. Counsel,Corp.Sec.,Sr. VP
Sold after exercise
115,800
$5.00
$579.00K
Marsh Andrew
18 Feb 2020
President & CEO
Sold after exercise
315,964
$5.00
$1.58M
Hull Martin Daniel
12 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$4.50
$157.62K
Hull Martin Daniel
4 Feb 2020
Corporate Controller and CAO
Sold after exercise
35,000
$4.00
$140.00K
Conway Gerard L JR
13 Jan 2020
Gen.Counsel, Corp. Sec.,Sr. VP
Sold after exercise
99,999
$4.26
$425.70K
Conway Gerard L JR
6 Jan 2020
Gen.Counsel, Corp. Sec.,Sr. VP
Sold after exercise
100,000
$3.50
$350.00K
Conway Gerard L JR
15 Oct 2018
GC, Corp Secretary & Senior VP
Sold after exercise
100,000
$1.86
$185.85K
Show all 142 transactions →

What was left out

Form 4 filings counted 602
Amendments (4/A) skipped 3
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 11
Sales straight out of an exercise 73
Sales at will 38
Transactions with no price 0
Shares from compensation/vesting 28,919,063
Sales filed before the plan box existed 36
History held since 7 Oct 2016