Hatsopoulos John bought TGEN
March 20, 2026 · Form 4 insider transaction
Hatsopoulos John bought 50,000 shares of Tecogen Inc. at $0.88 per share, a transaction worth $44.0K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Acquired (buy-side)
Shares
50,000
Price
$0.88
Total value
$44.0K
InsiderHatsopoulos John
Role—
CompanyTecogen Inc. (TGEN)
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMarch 20, 2026
Filing dateMarch 23, 2026
Shares owned after1,038,951
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Shares acquired pursuant to exercise of Stock Option Agreement dated 9/20/2023