Earl R. Lewis - 24 Jul 2025 Form 4 Insider Report for TECOGEN INC. (TGEN)

Role
Director
Signature
/s/ Earl R. Lewis
Issuer symbol
TGEN
Transactions as of
24 Jul 2025
Net transactions value
+$208,750
Form type
4
Filing time
28 Jul 2025, 10:57:39 UTC
Previous filing
07 May 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
LEWIS EARL R Director C/O TECOGEN INC., 76 TREBLE COVE ROAD, NORTH BILLERICA /s/ Earl R. Lewis 28 Jul 2025 0001230427

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction TGEN Stock Option (Right to Buy) Award $208,750 +25,000 +38% $8.35 91,250 24 Jul 2025 Common Stock 25,000 $8.35 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Vests 25% per year