HELMER MAUREEN O sold PLUG

June 8, 2026 · Form 4 insider transaction

HELMER MAUREEN O sold 50,000 shares of Plug Power Inc. at $3.23 per share, a transaction worth $161.6K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
50,000
Price
$3.23
Total value
$161.6K
Role
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateJune 8, 2026
Filing dateJune 10, 2026
Shares owned after321,565
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

These sales were effected by the Reporting Person pursuant to a Rule 10b5-1 trading plan adopted on March 9, 2026.; The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.17 to $3.33, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.

View the original Form 4 on SEC EDGAR