Companies: 10,795·Total market cap: $144.5T
Plug Power Inc.

Plug Power Inc.

PLUGNASDAQIndustrials● Active
$3.19
$-0.03(-0.78%)
Market Cap$3.7B
P/E Ratio
52W High$4.58
52W Low$0.86
Overview

Plug Power Inc. (PLUG) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · PLUG · as of Jun 8, 2026

Activity summary

Buy transactions

3

P-Purchase only

Sell transactions

6

12 Months

Buy/Sell ratio

0.50

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 33%Active transactions only · RSU vesting excluded67% Sell ↓

Plug Power Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

PLUG insider buying and selling by quarter

PLUG insider selling · PLUG insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
7.7M3.8M0
2025 Q2
2025 Q3
2025 Q4
2026 Q1

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · PLUG ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

PLUG executive sell shares · PLUG board member insider trading · PLUG insider trading SEC filing

Showing 85 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Kenausis Gregory

Director

Award

Date

Apr 1

Shares

8,712

Price

$2.26

Value

$20K

View Form 4 on SEC.gov

Mahtani Kavita

Director

Award

Date

Apr 1

Shares

9,956

Price

$2.26

Value

$23K

View Form 4 on SEC.gov

Angle Colin M

Director

Award

Date

Apr 1

Shares

3,872

Price

$2.26

Value

$9K

View Form 4 on SEC.gov

BONNEY MARK J

Director

Award

Date

Apr 1

Shares

10,509

Price

$2.26

Value

$24K

View Form 4 on SEC.gov

Joggerst Patrick

Director

Award

Date

Apr 1

Shares

8,850

Price

$2.26

Value

$20K

View Form 4 on SEC.gov

Marsh Andrew

Director

Award

Date

Apr 1

Shares

3,688

Price

$2.26

Value

$8K

View Form 4 on SEC.gov

Haycraft Benjamin

CSO & GM EMEA

Sale

Date

Jan 12

Shares

40,000

Price

$2.17

Value

$87K

View Form 4 on SEC.gov

MCNAMEE GEORGE C

Director

Award

Date

Jan 2

Shares

13,008

Price

$1.97

Value

$26K

View Form 4 on SEC.gov

Mahtani Kavita

Director

Award

Date

Jan 2

Shares

11,421

Price

$1.97

Value

$22K

View Form 4 on SEC.gov

Kenausis Gregory

Director

Award

Date

Jan 2

Shares

9,994

Price

$1.97

Value

$20K

View Form 4 on SEC.gov

Joggerst Patrick

Director

Award

Date

Jan 2

Shares

10,152

Price

$1.97

Value

$20K

View Form 4 on SEC.gov

HELMER MAUREEN O

Director

Award

Date

Jan 2

Shares

13,959

Price

$1.97

Value

$27K

View Form 4 on SEC.gov

BONNEY MARK J

Director

Award

Date

Jan 2

Shares

12,056

Price

$1.97

Value

$24K

View Form 4 on SEC.gov

Angle Colin M

Director

Award

Date

Jan 2

Shares

5,076

Price

$1.97

Value

$10K

View Form 4 on SEC.gov

WILLIS GARY K

Director

Award

Date

Jan 2

Shares

16,497

Price

$1.97

Value

$32K

View Form 4 on SEC.gov

Crespo Jose Luis

See Remarks

Purchase

Date

Dec 15

Shares

37,300

Price

$2.34

Value

$87K

View Form 4 on SEC.gov

Haycraft Benjamin

CSO & GM EMEA

Sale

Date

Oct 10

Shares

10,000

Price

$3.80

Value

$38K

View Form 4 on SEC.gov

Haycraft Benjamin

CSO & GM EMEA

Other

Date

Oct 17

Shares

7,817

Price

$3.48

Value

$27K

View Form 4 on SEC.gov

Haycraft Benjamin

CSO & GM EMEA

Other

Date

Nov 7

Shares

35,957

Price

$2.51

Value

$90K

View Form 4 on SEC.gov

Haycraft Benjamin

CSO & GM EMEA

Sale

Date

Dec 10

Shares

40,000

Price

$2.20

Value

$88K

View Form 4 on SEC.gov

Marsh Andrew

CEO · Director

Award

Date

Nov 28

Shares

12,203

Price

$2.01

Value

$25K

View Form 4 on SEC.gov

Haycraft Benjamin

CSO & EVP of EMEA Region

Sale

Date

Nov 10

Shares

10,000

Price

$2.92

Value

$29K

View Form 4 on SEC.gov

Marsh Andrew

CEO · Director

Award

Date

Oct 31

Shares

9,415

Price

$2.69

Value

$25K

View Form 4 on SEC.gov

Marsh Andrew

CEO · Director

Award

Date

Oct 3

Shares

18,324

Price

$3.81

Value

$70K

View Form 4 on SEC.gov

Mahtani Kavita

Director

Award

Date

Oct 1

Shares

9,657

Price

$2.33

Value

$23K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About PLUG insider trading

PLUG insider trades

Plug Power Inc. (PLUG) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Marsh Andrew (Director), Haycraft Benjamin (CSO & GM EMEA), Kenausis Gregory (Director). Over the past 12 months, 5 insiders have filed transactions with the SEC. PLUG insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Plug Power Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

PLUG insider trading · 5 questions

The insiders of Plug Power Inc. (PLUG) include executives and directors such as Marsh Andrew (Director), Haycraft Benjamin (CSO & GM EMEA), Kenausis Gregory (Director), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

PLUG board member insider tradingwho are PLUG insidersPLUG insider rosterPlug Power Inc. executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026