PLUG

Plug Power Inc

NASDAQ•INDUSTRIALS

$2.25

$0.24 (-9.84%)

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Insider Transactions(942 recent)

Transaction values calculated using reported prices from SEC Form 4 filings, or historical closing prices when price data is unavailable.

Total Buys

625

N/A total value

Total Sells

317

N/A total value

Nov 10, 2025(1 transaction)

HAYCRAFT, BENJAMIN

CSO & EVP of EMEA Region

Sell

-10,000

Value

N/A

Insider	Type	Shares	Value
HAYCRAFT, BENJAMIN CSO & EVP of EMEA Region	Sell	-10,000	N/A

Oct 31, 2025(1 transaction)

MARSH, ANDREW

Director, CEO

Buy

+9,415

Value

N/A

Insider	Type	Shares	Value
MARSH, ANDREW Director, CEO	Buy	+9,415	N/A

Oct 3, 2025(1 transaction)

MARSH, ANDREW

Director, CEO

Buy

+18,324

Value

N/A

Insider	Type	Shares	Value
MARSH, ANDREW Director, CEO	Buy	+18,324	N/A

Oct 1, 2025(8 transactions)

77,925 shares•N/A

Sep 16, 2025(1 transaction)

HAYCRAFT, BENJAMIN

CSO & GM of EMEA Region

Sell

-10,972

Value

N/A

Insider	Type	Shares	Value
HAYCRAFT, BENJAMIN CSO & GM of EMEA Region	Sell	-10,972	N/A

Sep 4, 2025(5 transactions)

6,250,000 shares•N/A

Aug 29, 2025(1 transaction)

MARSH, ANDREW

Director, President and CEO

Buy

+18,471

Value

N/A

Insider	Type	Shares	Value
MARSH, ANDREW Director, President and CEO	Buy	+18,471	N/A

Aug 1, 2025(1 transaction)

MARSH, ANDREW

Director, President and CEO

Buy

+19,968

Value

N/A

Insider	Type	Shares	Value
MARSH, ANDREW Director, President and CEO	Buy	+19,968	N/A

Jul 4, 2025(1 transaction)

MARSH, ANDREW

Director, President and CEO

Buy

+38,156

Value

N/A

Insider	Type	Shares	Value
MARSH, ANDREW Director, President and CEO	Buy	+38,156	N/A

Jul 3, 2025(16 transactions)

1,224,496 shares•N/A

Jul 1, 2025(8 transactions)

121,854 shares•N/A

Jun 11, 2025(1 transaction)

CRESPO, JOSE LUIS

Chief Revenue Officer

Sell

-37,300

Value

N/A

Insider	Type	Shares	Value
CRESPO, JOSE LUIS Chief Revenue Officer	Sell	-37,300	N/A

Jun 9, 2025(1 transaction)

MIDDLETON, PAUL B

See Remarks

Buy

+650,000

Value

N/A

Insider	Type	Shares	Value
MIDDLETON, PAUL B See Remarks	Buy	+650,000	N/A

May 30, 2025(1 transaction)

MARSH, ANDREW

Director, President and CEO

Buy

+36,448

Value

N/A

Insider	Type	Shares	Value
MARSH, ANDREW Director, President and CEO	Buy	+36,448	N/A

May 16, 2025(1 transaction)

MIDDLETON, PAUL B

CFO & Executive VP

Buy

+350,000

Value

N/A

Insider	Type	Shares	Value
MIDDLETON, PAUL B CFO & Executive VP	Buy	+350,000	N/A

May 5, 2025(3 transactions)

49,958 shares•N/A

Apr 6, 2025(1 transaction)

HULL, MARTIN DANIEL

Corporate Controller and CAO

Sell

-18,650

Value

N/A

Insider	Type	Shares	Value
HULL, MARTIN DANIEL Corporate Controller and CAO	Sell	-18,650	N/A

Apr 1, 2025(8 transactions)

134,491 shares•N/A

Jan 2, 2025(8 transactions)

84,775 shares•N/A

Nov 19, 2024(1 transaction)

MIDDLETON, PAUL B

CFO & Executive VP

Buy

+1,302,084

Value

N/A

Insider	Type	Shares	Value
MIDDLETON, PAUL B CFO & Executive VP	Buy	+1,302,084	N/A

Nov 6, 2024(3 transactions)

46,933 shares•N/A

Nov 1, 2024(1 transaction)

MCNAMEE, GEORGE C

Director

Sell

-10,000

Value

N/A

Insider	Type	Shares	Value
MCNAMEE, GEORGE C Director	Sell	-10,000	N/A

Oct 17, 2024(1 transaction)

HULL, MARTIN DANIEL

Corporate Controller and CAO

Sell

-5,816

Value

N/A

Insider	Type	Shares	Value
HULL, MARTIN DANIEL Corporate Controller and CAO	Sell	-5,816	N/A

Oct 1, 2024(8 transactions)

77,587 shares•N/A

Sep 22, 2024(1 transaction)

HULL, MARTIN DANIEL

Corporate Controller and CAO

Sell

-2,646

Value

N/A

Insider	Type	Shares	Value
HULL, MARTIN DANIEL Corporate Controller and CAO	Sell	-2,646	N/A

Aug 16, 2024(1 transaction)

ANGLE, COLIN M

Director

Buy

+101,810

Value

N/A

Insider	Type	Shares	Value
ANGLE, COLIN M Director	Buy	+101,810	N/A

Aug 8, 2024(3 transactions)

46,930 shares•N/A

Aug 1, 2024(1 transaction)

MCNAMEE, GEORGE C

Director

Sell

-10,000

Value

N/A

Insider	Type	Shares	Value
MCNAMEE, GEORGE C Director	Sell	-10,000	N/A

Jul 31, 2024(2 transactions)

1,000,000 shares•N/A

4,475 shares•N/A

Jul 1, 2024(7 transactions)

79,132 shares•N/A

Jun 5, 2024(14 transactions)

523,250 shares•N/A

May 10, 2024(1 transaction)

MCNAMEE, GEORGE C

Director

Sell

-10,000

Value

N/A

Insider	Type	Shares	Value
MCNAMEE, GEORGE C Director	Sell	-10,000	N/A

May 9, 2024(6 transactions)

357,402 shares•N/A

46,933 shares•N/A

Apr 26, 2024(6 transactions)

4,700,000 shares•N/A

Apr 1, 2024(7 transactions)

53,598 shares•N/A

Jan 2, 2024(7 transactions)

23,514 shares•N/A

Nov 22, 2023(1 transaction)

HULL, MARTIN DANIEL

Corporate Controller and CAO

Buy

+60,000

Value

N/A

Insider	Type	Shares	Value
HULL, MARTIN DANIEL Corporate Controller and CAO	Buy	+60,000	N/A

Oct 23, 2023(10 transactions)

143,964 shares•N/A

Oct 2, 2023(8 transactions)

13,662 shares•N/A

31,958 shares•N/A

Sep 29, 2023(6 transactions)

236,849 shares•N/A

Sep 22, 2023(1 transaction)

HULL, MARTIN DANIEL

Corporate Controller and CAO

Sell

-2,646

Value

N/A

Insider	Type	Shares	Value
HULL, MARTIN DANIEL Corporate Controller and CAO	Sell	-2,646	N/A

Sep 15, 2023(3 transactions)

100,000 shares•N/A

113,139 shares•N/A

Sep 5, 2023(1 transaction)

MINDNICH, DAVID

EVP, Global Manufacturing

Sell

-32,792

Value

N/A

Insider	Type	Shares	Value
MINDNICH, DAVID EVP, Global Manufacturing	Sell	-32,792	N/A

Jul 31, 2023(2 transactions)

70,000 shares•N/A

Jul 10, 2023(2 transactions)

41,096 shares•N/A

Jul 3, 2023(7 transactions)

10,665 shares•N/A

Jun 27, 2023(14 transactions)

170,086 shares•N/A

May 18, 2023(7 transactions)

5,595,000 shares•N/A

Apr 6, 2023(1 transaction)

HULL, MARTIN DANIEL

Corporate Controller and CAO

Sell

-14,974

Value

N/A

Insider	Type	Shares	Value
HULL, MARTIN DANIEL Corporate Controller and CAO	Sell	-14,974	N/A

Apr 3, 2023(8 transactions)

10,316 shares•N/A

Mar 3, 2023(1 transaction)

HOEFELMANN, DIRK OLE

GM, Electrolyzers & Exec VP

Sell

-34,994

Value

N/A

Insider	Type	Shares	Value
HOEFELMANN, DIRK OLE GM, Electrolyzers & Exec VP	Sell	-34,994	N/A

Jan 3, 2023(8 transactions)

7,604 shares•N/A

Oct 17, 2022(4 transactions)

270,000 shares•N/A

Oct 3, 2022(8 transactions)

4,342 shares•N/A

Sep 28, 2022(8 transactions)

303,381 shares•N/A

Sep 22, 2022(1 transaction)

HULL, MARTIN DANIEL

Corporate Controller and CAO

Sell

-2,652

Value

N/A

Insider	Type	Shares	Value
HULL, MARTIN DANIEL Corporate Controller and CAO	Sell	-2,652	N/A

Aug 19, 2022(7 transactions)

305,137 shares•N/A

Jul 1, 2022(10 transactions)

6,650 shares•N/A

Jun 30, 2022(16 transactions)

108,624 shares•N/A

May 9, 2022(1 transaction)

SHRESTHA, SANJAY K

CSO & GM, Energy Solutions

Sell

-20,000

Value

N/A

Insider	Type	Shares	Value
SHRESTHA, SANJAY K CSO & GM, Energy Solutions	Sell	-20,000	N/A

Apr 14, 2022(2 transactions)

17,462 shares•N/A

Apr 6, 2022(2 transactions)

200,000 shares•N/A

Apr 1, 2022(8 transactions)

3,290 shares•N/A

Feb 24, 2022(1 transaction)

HOEFELMANN, DIRK OLE

GM, Electrolyzers & Exec VP

Sell

-34,942

Value

N/A

Insider	Type	Shares	Value
HOEFELMANN, DIRK OLE GM, Electrolyzers & Exec VP	Sell	-34,942	N/A

Jan 3, 2022(8 transactions)

3,335 shares•N/A

Oct 1, 2021(8 transactions)

3,685 shares•N/A

Sep 28, 2021(6 transactions)

232,584 shares•N/A

Sep 22, 2021(7 transactions)

11,135,000 shares•N/A

Aug 28, 2021(15 transactions)

396,667 shares•N/A

593,594 shares•N/A

Aug 19, 2021(15 transactions)

466,666 shares•N/A

689,812 shares•N/A

Aug 16, 2021(16 transactions)

71,712 shares•N/A

Jul 15, 2021(17 transactions)

5,238 shares•N/A

14,154 shares•N/A

Jul 13, 2021(1 transaction)

SHRESTHA, SANJAY K

Chief Strategy Officer

Sell

-5,700

Value

N/A

Insider	Type	Shares	Value
SHRESTHA, SANJAY K Chief Strategy Officer	Sell	-5,700	N/A

May 9, 2021(2 transactions)

50,000 shares•N/A

Feb 18, 2021(1 transaction)

HARRIMAN, KIM

Director

Buy

+4,479

Value

N/A

Insider	Type	Shares	Value
HARRIMAN, KIM Director	Buy	+4,479	N/A

Jan 19, 2021(11 transactions)

573,268 shares•N/A

1,146,536 shares•N/A

Jan 13, 2021(3 transactions)

10,000 shares•N/A

20,000 shares•N/A

Jan 12, 2021(3 transactions)

10,000 shares•N/A

20,000 shares•N/A

Jan 11, 2021(1 transaction)

SILVER, JONATHAN M

Director

Sell

-1,780

Value

N/A

Insider	Type	Shares	Value
SILVER, JONATHAN M Director	Sell	-1,780	N/A

Jan 8, 2021(6 transactions)

43,333 shares•N/A

86,666 shares•N/A

Jan 7, 2021(3 transactions)

33,333 shares•N/A

66,666 shares•N/A

Jan 6, 2021(3 transactions)

10,000 shares•N/A

20,000 shares•N/A

Jan 4, 2021(16 transactions)

110,140 shares•N/A

220,166 shares•N/A

Dec 28, 2020(4 transactions)

55,000 shares•N/A

Dec 24, 2020(6 transactions)

216,667 shares•N/A

391,667 shares•N/A

Dec 17, 2020(4 transactions)

200,000 shares•N/A

410,000 shares•N/A

Dec 15, 2020(3 transactions)

83,333 shares•N/A

166,666 shares•N/A

Dec 14, 2020(7 transactions)

250,000 shares•N/A

515,311 shares•N/A

Dec 11, 2020(9 transactions)

90,200 shares•N/A

168,400 shares•N/A

Nov 13, 2020(8 transactions)

3,716,512 shares•N/A

3,833,568 shares•N/A

Nov 12, 2020(3 transactions)

83,333 shares•N/A

166,666 shares•N/A

Nov 9, 2020(8 transactions)

72,576 shares•N/A

145,152 shares•N/A

Oct 14, 2020(3 transactions)

61,800 shares•N/A

138,086 shares•N/A

Oct 12, 2020(5 transactions)

550,000 shares•N/A

1,307,066 shares•N/A

Oct 8, 2020(5 transactions)

45,000 shares•N/A

60,000 shares•N/A

Oct 7, 2020(3 transactions)

650,000 shares•N/A

1,300,000 shares•N/A

Oct 6, 2020(3 transactions)

83,334 shares•N/A

166,668 shares•N/A

Oct 5, 2020(9 transactions)

126,667 shares•N/A

313,565 shares•N/A

Oct 1, 2020(11 transactions)

87,479 shares•N/A

170,166 shares•N/A

Sep 28, 2020(12 transactions)

2,045,000 shares•N/A

Sep 21, 2020(3 transactions)

200,000 shares•N/A

400,000 shares•N/A

Sep 18, 2020(1 transaction)

HELMER, MAUREEN O

Director

Sell

-75,000

Value

N/A

Insider	Type	Shares	Value
HELMER, MAUREEN O Director	Sell	-75,000	N/A

Sep 8, 2020(1 transaction)

CONWAY, GERARD L JR

Gen Counsel, Corp Sec, Sr VP

Sell

-35,352

Value

N/A

Insider	Type	Shares	Value
CONWAY, GERARD L JR Gen Counsel, Corp Sec, Sr VP	Sell	-35,352	N/A

Aug 31, 2020(4 transactions)

33,333 shares•N/A

171,078 shares•N/A

Aug 28, 2020(21 transactions)

629,999 shares•N/A

1,052,654 shares•N/A

Aug 27, 2020(1 transaction)

CONWAY, GERARD L JR

Gen. Counsel, Corp Sec, Sr. VP

Sell

-35,353

Value

N/A

Insider	Type	Shares	Value
CONWAY, GERARD L JR Gen. Counsel, Corp Sec, Sr. VP	Sell	-35,353	N/A

Aug 19, 2020(20 transactions)

683,333 shares•N/A

1,014,624 shares•N/A

Aug 10, 2020(5 transactions)

550,000 shares•N/A

1,100,000 shares•N/A

Aug 6, 2020(6 transactions)

85,000 shares•N/A

170,000 shares•N/A

Jul 13, 2020(4 transactions)

1,500 shares•N/A

3,000 shares•N/A

Jul 9, 2020(3 transactions)

30,000 shares•N/A

94,825 shares•N/A

Jul 6, 2020(11 transactions)

1,733,334 shares•N/A

2,716,668 shares•N/A

Jul 1, 2020(8 transactions)

6,776 shares•N/A

3,500 shares•N/A

Jun 29, 2020(5 transactions)

291,000 shares•N/A

582,000 shares•N/A

Jun 24, 2020(8 transactions)

991,680 shares•N/A

1,983,360 shares•N/A

Jun 23, 2020(22 transactions)

575,150 shares•N/A

1,100,300 shares•N/A

Jun 8, 2020(5 transactions)

657,002 shares•N/A

1,314,004 shares•N/A

Jun 5, 2020(17 transactions)

537,676 shares•N/A

716,756 shares•N/A

Jun 4, 2020(4 transactions)

38,786 shares•N/A

178,493 shares•N/A

May 9, 2020(3 transactions)

50,000 shares•N/A

65,175 shares•N/A

Apr 23, 2020(2 transactions)

1,105,058 shares•N/A

Apr 22, 2020(2 transactions)

797,900 shares•N/A

Apr 16, 2020(7 transactions)

1,912,638 shares•N/A

181,740 shares•N/A

Apr 1, 2020(7 transactions)

15,714 shares•N/A

Feb 20, 2020(6 transactions)

85,000 shares•N/A

170,000 shares•N/A

Feb 19, 2020(15 transactions)

836,570 shares•N/A

2,073,140 shares•N/A

Feb 18, 2020(18 transactions)

516,764 shares•N/A

1,033,528 shares•N/A

Feb 12, 2020(5 transactions)

35,000 shares•N/A

70,000 shares•N/A

Feb 4, 2020(5 transactions)

35,000 shares•N/A

70,000 shares•N/A

Jan 13, 2020(7 transactions)

99,999 shares•N/A

199,998 shares•N/A

Jan 6, 2020(3 transactions)

100,000 shares•N/A

200,000 shares•N/A

Jan 2, 2020(7 transactions)

17,602 shares•N/A

Oct 1, 2019(7 transactions)

21,151 shares•N/A

Aug 28, 2019(15 transactions)

396,667 shares•N/A

545,275 shares•N/A

Aug 19, 2019(10 transactions)

2,125,000 shares•N/A

Jul 1, 2019(7 transactions)

25,714 shares•N/A

May 9, 2019(18 transactions)

732,896 shares•N/A

Apr 1, 2019(8 transactions)

27,188 shares•N/A

Mar 18, 2019(1 transaction)

MCNAMEE, GEORGE C

Director

Buy

+100,000

Value

N/A

Insider	Type	Shares	Value
MCNAMEE, GEORGE C Director	Buy	+100,000	N/A

Mar 14, 2019(1 transaction)

MARSH, ANDREW

Director, President & CEO

Buy

+12,286

Value

N/A

Insider	Type	Shares	Value
MARSH, ANDREW Director, President & CEO	Buy	+12,286	N/A

Jan 2, 2019(8 transactions)

52,619 shares•N/A

Oct 15, 2018(3 transactions)

100,000 shares•N/A

200,000 shares•N/A

Oct 1, 2018(8 transactions)

34,074 shares•N/A

Sep 12, 2018(1 transaction)

GRAVES, GREGORY B

Director

Sell

-31,343

Value

N/A

Insider	Type	Shares	Value
GRAVES, GREGORY B Director	Sell	-31,343	N/A

Aug 28, 2018(10 transactions)

2,380,000 shares•N/A

Jul 2, 2018(8 transactions)

31,362 shares•N/A

Jun 25, 2018(1 transaction)

SILVER, JONATHAN M

Director

Buy

+77,320

Value

N/A

Insider	Type	Shares	Value
SILVER, JONATHAN M Director	Buy	+77,320	N/A

May 16, 2018(16 transactions)

473,936 shares•N/A

Apr 2, 2018(8 transactions)

35,318 shares•N/A

Jan 2, 2018(8 transactions)

28,283 shares•N/A

Dec 1, 2017(3 transactions)

13,332 shares•N/A

18,164 shares•N/A

Oct 2, 2017(8 transactions)

25,575 shares•N/A

Sep 22, 2017(1 transaction)

AIR, LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION

Director

Sell

-4,855

Value

N/A

Insider	Type	Shares	Value
AIR, LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION Director	Sell	-4,855	N/A

Sep 15, 2017(2 transactions)

29,855 shares•N/A

Sep 14, 2017(1 transaction)

MCNAMEE, GEORGE C

Director

Buy

+25,000

Value

N/A

Insider	Type	Shares	Value
MCNAMEE, GEORGE C Director	Buy	+25,000	N/A

Sep 13, 2017(1 transaction)

MCNAMEE, GEORGE C

Director

Buy

+25,000

Value

N/A

Insider	Type	Shares	Value
MCNAMEE, GEORGE C Director	Buy	+25,000	N/A

Sep 12, 2017(1 transaction)

MCNAMEE, GEORGE C

Director

Buy

+25,000

Value

N/A

Insider	Type	Shares	Value
MCNAMEE, GEORGE C Director	Buy	+25,000	N/A

Sep 11, 2017(1 transaction)

MCNAMEE, GEORGE C

Director

Buy

+25,000

Value

N/A

Insider	Type	Shares	Value
MCNAMEE, GEORGE C Director	Buy	+25,000	N/A

Sep 8, 2017(2 transactions)

49,400 shares•N/A

Sep 7, 2017(2 transactions)

25,600 shares•N/A

Aug 31, 2017(5 transactions)

3,025,000 shares•N/A

Jul 3, 2017(6 transactions)

26,286 shares•N/A

Jun 28, 2017(2 transactions)

58,686 shares•N/A

Mar 16, 2017(1 transaction)

AIR, LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION

Director

Sell

-12,636

Value

N/A

Insider	Type	Shares	Value
AIR, LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION Director	Sell	-12,636	N/A

Mar 15, 2017(1 transaction)

AIR, LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION

Director

Buy

+12,636

Value

N/A

Insider	Type	Shares	Value
AIR, LIQUIDE INVESTISSEMENTS D'AVENIR ET DE DEMONSTRATION Director	Buy	+12,636	N/A

Data sourced from SEC Form 4 filings via Alpha Vantage

Last updated: 12:09:42 AM

About Plug Power Inc

Exchange

NASDAQ

Sector

INDUSTRIALS

Industry

ELECTRICAL EQUIPMENT & PARTS

Country

USA

Plug Power Inc. is a leading innovator in hydrogen fuel cell technology, headquartered in Latham, New York, with a growing presence across North America and Europe. The company specializes in providing comprehensive solutions for both stationary power and electric mobility applications, positioning itself at the forefront of the transition to clean energy. As a key player in the rapidly evolving hydrogen economy, Plug Power is well-equipped to meet the increasing demand for efficient and sustainable energy solutions, reinforcing its significant contribution to global sustainability initiatives.

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968 ALBANY SHAKER ROAD, LATHAM, NY, UNITED STATES, 12110