PLUG

insider transactions

PLUG POWER INC — buys & sells by directors, officers and 10% owners (SEC Form 4).

30D 90D 1Y

Net shares · 365d

-90.0K

0 buy · 90.0K sell

Net value · 365d

-$248.4K

$0 in · $248.4K out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 90.0K sell

Net buy / sell volume

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions

Grant·A
Jun 11, 26

Gary K Willis

Director

$0

39.8K sh

Own New
Grant·A
Jun 11, 26

Gary K Willis

Director

$0

39.8K sh

Own +6%
Grant·A
Jun 11, 26

George C Mcnamee

Director

$0

39.8K sh

Own New
Grant·A
Jun 11, 26

George C Mcnamee

Director

$0

39.8K sh

Own +5%
Grant·A
Jun 11, 26

Gregory Kenausis

Director

$0

39.8K sh

Own New
Grant·A
Jun 11, 26

Gregory Kenausis

Director

$0

39.8K sh

Own +8%
Grant·A
Jun 11, 26

Patrick Joggerst

Director

$0

39.8K sh

Own New
Grant·A
Jun 11, 26

Patrick Joggerst

Director

$0

39.8K sh

Own +19%
Grant·A
Jun 11, 26

Maureen O Helmer

Director

$0

39.8K sh

Own New
Grant·A
Jun 11, 26

Maureen O Helmer

Director

$0

39.8K sh

Own +12%
Grant·A
Jun 11, 26

Mark J Bonney

Director

$0

39.8K sh

Own New
Grant·A
Jun 11, 26

Mark J Bonney

Director

$0

39.8K sh

Own +18%
Grant·A
Jun 11, 26

Colin M Angle

Director

$0

39.8K sh

Own New
Grant·A
Jun 11, 26

Colin M Angle

Director

$0

39.8K sh

Own +36%
Sell·S
Jun 8, 26

Maureen O Helmer

Director · 10b5-1

$161.6K

50.0K sh · $3.23

Own -13%
Grant·A
Apr 1, 26

Andrew Marsh

Director

$8.3K

3.7K sh · $2.26

Own +0%
Grant·A
Apr 1, 26

Kavita Mahtani

Director

$22.5K

10.0K sh · $2.26

Own +4%
Grant·A
Apr 1, 26

Gregory Kenausis

Director

$19.7K

8.7K sh · $2.26

Own +2%
Grant·A
Apr 1, 26

Patrick Joggerst

Director

$20.0K

8.8K sh · $2.26

Own +4%
Grant·A
Apr 1, 26

Mark J Bonney

Director

$23.8K

10.5K sh · $2.26

Own +5%
Grant·A
Apr 1, 26

Colin M Angle

Director

$8.8K

3.9K sh · $2.26

Own +4%
Grant·A
Mar 31, 26

Andrew Marsh

Director

$0

87.3K sh

Own New
Grant·A
Mar 2, 26

Andrew Marsh

Director

$0

163.6K sh

Own New
Sell·S
Jan 12, 26

Benjamin Haycraft

CSO & GM EMEA · 10b5-1

$86.8K

40.0K sh · $2.17

Own -11%
Grant·A
Jan 2, 26

Gary K Willis

Director

$32.5K

16.5K sh · $1.97

Own +2%
Grant·A
Jan 2, 26

Kavita Mahtani

Director

$22.5K

11.4K sh · $1.97

Own +5%
Grant·A
Jan 2, 26

George C Mcnamee

Director

$25.6K

13.0K sh · $1.97

Own +2%
Grant·A
Jan 2, 26

Gregory Kenausis

Director

$19.7K

10.0K sh · $1.97

Own +2%
Grant·A
Jan 2, 26

Patrick Joggerst

Director

$20.0K

10.2K sh · $1.97

Own +5%
Grant·A
Jan 2, 26

Maureen O Helmer

Director

$27.5K

14.0K sh · $1.97

Own +4%
Grant·A
Jan 2, 26

Mark J Bonney

Director

$23.8K

12.1K sh · $1.97

Own +6%
Grant·A
Jan 2, 26

Colin M Angle

Director

$10.0K

5.1K sh · $1.97

Own +5%

Date▾	Insider	Role	Type	Shares	Own Δ	Price	Value
Jun 11, 2026	Gary K Willis	Director	Grant A	39.8K	New	—	$0
Jun 11, 2026	Gary K Willis	Director	Grant A	39.8K	+6%	—	$0
Jun 11, 2026	George C Mcnamee	Director	Grant A	39.8K	New	—	$0
Jun 11, 2026	George C Mcnamee	Director	Grant A	39.8K	+5%	—	$0
Jun 11, 2026	Gregory Kenausis	Director	Grant A	39.8K	New	—	$0
Jun 11, 2026	Gregory Kenausis	Director	Grant A	39.8K	+8%	—	$0
Jun 11, 2026	Patrick Joggerst	Director	Grant A	39.8K	New	—	$0
Jun 11, 2026	Patrick Joggerst	Director	Grant A	39.8K	+19%	—	$0
Jun 11, 2026	Maureen O Helmer	Director	Grant A	39.8K	New	—	$0
Jun 11, 2026	Maureen O Helmer	Director	Grant A	39.8K	+12%	—	$0
Jun 11, 2026	Mark J Bonney	Director	Grant A	39.8K	New	—	$0
Jun 11, 2026	Mark J Bonney	Director	Grant A	39.8K	+18%	—	$0
Jun 11, 2026	Colin M Angle	Director	Grant A	39.8K	New	—	$0
Jun 11, 2026	Colin M Angle	Director	Grant A	39.8K	+36%	—	$0
Jun 8, 2026	Maureen O Helmer 10b5-1	Director	Sell S	50.0K	-13%	$3.23	$161.6K
Apr 1, 2026	Andrew Marsh	Director	Grant A	3.7K	+0%	$2.26	$8.3K
Apr 1, 2026	Kavita Mahtani	Director	Grant A	10.0K	+4%	$2.26	$22.5K
Apr 1, 2026	Gregory Kenausis	Director	Grant A	8.7K	+2%	$2.26	$19.7K
Apr 1, 2026	Patrick Joggerst	Director	Grant A	8.8K	+4%	$2.26	$20.0K
Apr 1, 2026	Mark J Bonney	Director	Grant A	10.5K	+5%	$2.26	$23.8K
Apr 1, 2026	Colin M Angle	Director	Grant A	3.9K	+4%	$2.26	$8.8K
Mar 31, 2026	Andrew Marsh	Director	Grant A	87.3K	New	—	$0
Mar 2, 2026	Andrew Marsh	Director	Grant A	163.6K	New	—	$0
Jan 12, 2026	Benjamin Haycraft 10b5-1	CSO & GM EMEA	Sell S	40.0K	-11%	$2.17	$86.8K
Jan 2, 2026	Gary K Willis	Director	Grant A	16.5K	+2%	$1.97	$32.5K
Jan 2, 2026	Kavita Mahtani	Director	Grant A	11.4K	+5%	$1.97	$22.5K
Jan 2, 2026	George C Mcnamee	Director	Grant A	13.0K	+2%	$1.97	$25.6K
Jan 2, 2026	Gregory Kenausis	Director	Grant A	10.0K	+2%	$1.97	$19.7K
Jan 2, 2026	Patrick Joggerst	Director	Grant A	10.2K	+5%	$1.97	$20.0K
Jan 2, 2026	Maureen O Helmer	Director	Grant A	14.0K	+4%	$1.97	$27.5K
Jan 2, 2026	Mark J Bonney	Director	Grant A	12.1K	+6%	$1.97	$23.8K
Jan 2, 2026	Colin M Angle	Director	Grant A	5.1K	+5%	$1.97	$10.0K

About PLUG insider trading

This page tracks insider transactions for PLUG POWER INC (PLUG) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.