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

Role
Director
Signature
/s/ Earl R. Lewis
Stock symbol
TGEN
Transactions as of
Jul 24, 2025
Transactions value $
$208,750
Form type
4
Date filed
7/28/2025, 10:57 AM
Previous filing
May 7, 2025
SEC
View on sec.gov

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 2025-07-28 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 $209K +25K +37.74% $8.35 91.3K Jul 24, 2025 Common Stock 25K $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