Robert A. Panora - 03 Jun 2025 Form 4/A - Amendment Insider Report for TECOGEN INC. (TGEN)

Signature
/s/ Robert A. Panora
Issuer symbol
TGEN
Transactions as of
03 Jun 2025
Net transactions value
-$550,752
Form type
4/A - Amendment
Filing time
14 Jul 2025, 09:02:25 UTC
Date Of Original Report
20 Jun 2025
Previous filing
14 Jul 2025
Next filing
20 Jun 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
PANORA ROBERT A COO and President C/O TECOGEN, INC., 76 TREBLE COVE ROAD, BLDG 1, N. BILLERICA /s/ Robert A. Panora 14 Jul 2025 0001585814

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TGEN Common Stock Sale $121,940 -26,000 -37% $4.69 44,000 03 Jun 2025 Direct F1
transaction TGEN Common Stock Sale $155,000 -31,000 -70% $5.00 13,000 04 Jun 2025 Direct F1
transaction TGEN Common Stock Options Exercise $10,000 +12,723 +98% $0.7860 25,723 16 Jun 2025 Direct F2
transaction TGEN Common Stock Options Exercise $21,300 +30,000 +117% $0.7100 55,723 16 Jun 2025 Direct F2
transaction TGEN Common Stock Options Exercise $57,750 +52,500 +94% $1.10 108,223 16 Jun 2025 Direct F2
transaction TGEN Common Stock Sale $65,390 -13,000 -12% $5.03 95,223 18 Jun 2025 Direct F1
transaction TGEN Common Stock Sale $202,248 -31,800 -33% $6.36 63,423 23 Jun 2025 Direct F1
transaction TGEN Common Stock Sale $6,174 -900 -1.4% $6.86 62,523 24 Jun 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) Options Exercise $10,000 -12,723 -100% $0.7860 0 16 Jun 2025 Common Stock 12,723 $0.7860 Direct F2
transaction TGEN Stock Option (Right to Buy) Options Exercise $21,300 -30,000 -23% $0.7100 100,000 16 Jun 2025 Common Stock 30,000 $0.7100 Direct F2, F3
transaction TGEN Stock Option (Right to Buy) Options Exercise $57,750 -52,500 -100% $1.10 0 16 Jun 2025 Common Stock 52,500 $1.10 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Share sales effected to cover tax liabilities and other obligations. The June 2025 share sales were reported to the company on July 11, 2025.
F2 Transaction code corrected
F3 100,000 shares of the 200,000 option shares granted pursuant to Stock Option Agreement dated 7/9/2020 vested on 6/30/2022 upon achievement of Adjusted EBITDA performance milestone.