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PLUG

PLUG POWER (PLUG) stock: insider trades, news & valuation

Net selling
Close · Oct 9, 2026 $1.68 -2.9% on the day -55.6% over 12 months 52-week range $1.68 – $4.14

Share price and insider trades

PLUG closeInsider buyInsider sale
12345NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $29,200 on 2025-11-10 · Benjamin HaycraftSold $29,553 on 2026-09-11 · Benjamin HaycraftSold $38,000 on 2025-10-10 · Benjamin HaycraftSold $38,625 on 2026-09-15 · Benjamin HaycraftSold $86,800 on 2026-01-12 · Benjamin HaycraftBought $87,282 on 2025-12-15 · Jose Luis CrespoSold $88,000 on 2025-12-10 · Benjamin HaycraftSold $161,500 on 2026-06-08 · Maureen O HelmerSold $428,000 on 2026-09-18 · Benjamin Haycraft
Bought, 12 months$87K
Sold, 12 months$900K
Insiders buying1
Insiders selling2

PLUG POWER insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $87K and 2 sold $900K of PLUG stock on the open market.

PLUG insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $87K bought (1 trades)$87KQ4 2025: $155K sold (3 trades)Q4 2025Q1 2026: $87K sold (1 trades)Q1 2026Q2 2026: $162K sold (1 trades)Q2 2026Q3 2026: $496K sold (3 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$496K3
Q2 2026—0$162K1
Q1 2026—0$87K1
Q4 2025$87K1$155K3

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.8×Last 5 sessions
Insiders' paper profit−$25KOn all tracked purchases -28.2%

Summary

Over the past 12 months, 1 PLUG POWER INC insider reported open-market purchases totaling $87K, while 2 insiders reported sales totaling $900K. 8 of 8 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Sep 22SEC Benjamin HaycraftCso & Gm Emea Sell Plan 200,000101,249 held (−66%) $2.14 $428K -21.5% —
Sep 15SEC Benjamin HaycraftCso & Gm Emea Sell Plan 18,750301,249 held (−6%) $2.06 $39K -18.4% —
Sep 15SEC Benjamin HaycraftCso & Gm Emea Sell Plan 13,810319,999 held (−4%) $2.14 $30K -21.5% —
Jun 10SEC Maureen O HelmerDirector Sell Plan 50,000321,565 held (−13%) $3.23 $162K -48.0% —
Jan 14SEC Benjamin HaycraftCso & Gm Emea Sell Plan 40,000333,809 held (−11%) $2.17 $87K -22.6% —
Dec 17SEC Jose Luis CrespoSee Remarks Buy 37,300307,332 held (+14%) $2.34 $87K -28.2% —
Dec 12SEC Benjamin HaycraftCso & Gm Emea Sell Plan 40,000373,809 held (−10%) $2.20 $88K -23.6% —
Dec 12SEC Benjamin HaycraftCso & Gm Emea Sell Plan 10,000457,583 held (−2%) $3.80 $38K -55.8% —
Nov 12SEC Benjamin HaycraftCso & Evp Of Emea Region Sell Plan 10,000467,583 held (−2%) $2.92 $29K -42.5% —

Insiders at PLUG POWER INC

InsiderBoughtSoldLast filingScore
Benjamin HaycraftCso & Gm Emea — $738K Sep 22, 2026 —
Jose Luis CrespoSee Remarks $87K — Dec 17, 2025 —
Maureen O HelmerDirector — $162K Jun 10, 2026 —

PLUG stock: common questions

Are PLUG POWER INC insiders buying PLUG stock?

In the past 12 months, 1 insiders reported open-market purchases of PLUG worth $87K. The latest was See Remarks Jose Luis Crespo bought $87K of PLUG at $2.34 — first open-market purchase in our records.

Are PLUG POWER INC insiders selling PLUG stock?

2 insiders reported sales worth $900K over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is PLUG's 52-week range?

Over the past year PLUG has traded between $1.68 and $4.14. It last closed at $1.68 on Oct 9, 2026.