Stephen Lafaille - Mar 3, 2025 Form 4 Insider Report for TECOGEN INC. (TGEN)

Role
VP of Business Development
Signature
/s/ Stephen Lafaille
Stock symbol
TGEN
Transactions as of
Mar 3, 2025
Transactions value $
-$344,800
Form type
4
Date filed
6/24/2025, 05:41 PM
Previous filing
Jun 24, 2025
Next filing
Jul 28, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Lafaille Stephen VP of Business Development 76 TREBLE COVE ROAD, NORTH BILLERICA /s/ Stephen Lafaille 2025-06-24 0002074096

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TGEN Common Stock Purchase $1K +400 $2.50 400 Mar 3, 2025 Direct
transaction TGEN Common Stock Exercise of in-the-money or at-the-money derivative security $7.1K +10K +2500% $0.71 10.4K Jun 3, 2025 Direct F1
transaction TGEN Common Stock Sale -$48.8K -10K -96.15% $4.88 400 Jun 3, 2025 Direct F2
transaction TGEN Common Stock Exercise of in-the-money or at-the-money derivative security $10.7K +15K +3750% $0.71 15.4K Jun 4, 2025 Direct F1
transaction TGEN Common Stock Sale -$75K -15K -97.4% $5.00 400 Jun 4, 2025 Direct F3
transaction TGEN Common Stock Exercise of in-the-money or at-the-money derivative security $27.5K +25K +6250% $1.10 25.4K Jun 6, 2025 Direct F4
transaction TGEN Common Stock Sale -$150K -25K -98.43% $5.98 400 Jun 6, 2025 Direct F5
transaction TGEN Common Stock Exercise of in-the-money or at-the-money derivative security $11K +10K +2500% $1.10 10.4K Jun 23, 2025 Direct F4
transaction TGEN Common Stock Sale -$72.5K -10K -96.15% $7.25* 400 Jun 23, 2025 Direct

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 Options (Right to Buy) Exercise of in-the-money or at-the-money derivative security -$7.1K -10K -20% $0.71 40K Jun 3, 2025 Common Stock 50K $0.71 Direct F6
transaction TGEN Stock Options (Right to Buy) Exercise of in-the-money or at-the-money derivative security -$10.7K -15K -37.5% $0.71 25K Jun 4, 2025 Common Stock 40K $0.71 Direct F6
transaction TGEN Stock Options (Right to Buy) Exercise of in-the-money or at-the-money derivative security -$27.5K -25K -47.62% $1.10 27.5K Jun 6, 2025 Common Stock 52.5K $1.10 Direct F7
transaction TGEN Stock Options (Right to Buy) Exercise of in-the-money or at-the-money derivative security -$11K -10K -36.36% $1.10 17.5K Jun 23, 2025 Common Stock 25K $1.10 Direct F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares acquired pursuant to exercise of Stock Option Agreement dated 7/9/2020
F2 Multiple share sales between $4.75 and $5.25 per share
F3 10,000 shares sold for $4.90 per share, and 5,000 shares sold for $5.10 per share
F4 Shares acquired pursuant to stock option agreement dated 1/21/2022
F5 Multiple share sales between $5.85 and $6.10
F6 Vests 50% upon achievement of Adjusted EBITDA goal of 2% of revenue in two consecutive quarters, and 50% upon achievement of Adjusted EBITDA goal of 3% of revenue in four consecutive quarters
F7 Vests 50% per year