John K. Whiting IV - 24 Jul 2025 Form 4 Insider Report for TECOGEN INC. (TGEN)

Role
General Counsel & Secretary
Signature
/s/ John K. Whiting, IV
Issuer symbol
TGEN
Transactions as of
24 Jul 2025
Net transactions value
+$201,026
Form type
4
Filing time
28 Jul 2025, 11:09:04 UTC
Previous filing
27 Sep 2023
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Whiting John Kimball IV General Counsel & Secretary 45 FIRST AVE., WALTHAM /s/ John K. Whiting, IV 28 Jul 2025 0001808199

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TGEN Common Stock Award $0 +11,976 +1883% $0.000000 12,612 24 Jul 2025 Direct F1

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 $201,026 +24,075 +6% $8.35 424,075 24 Jul 2025 Common Stock 24,075 $8.35 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted Stock Award, vests 25% per year
F2 Vests 25% per year