Stephen Lafaille

Insider Reports History

Location
North Billerica, MA
Signature
/s/ Stephen Lafaille
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by Stephen Lafaille:

Stock Role Class Num Shares Value Price $ Report Date Ownership
TECOGEN INC. VP of Business Development Stock Option (Right to Buy) 72.9K $609K $8.35 24 Jul 2025 Direct
TECOGEN INC. VP of Business Development Common Stock 12.4K $84.3K $6.81 24 Jul 2025 Direct
TECOGEN INC. VP of Business Development Stock Options (Right to Buy) 17.5K $19.3K $1.10 23 Jun 2025 Direct

Insider Reports Filed by Stephen Lafaille

Symbol Company Period Transactions Value $ Form Type Role Filing Time
TGEN TECOGEN INC. 24 Jul 2025 2 $201K 4 VP of Business Development 28 Jul 2025, 11:12
TGEN TECOGEN INC. 03 Mar 2025 13 -$345K 4 VP of Business Development 24 Jun 2025, 17:41
TGEN TECOGEN INC. 23 Apr 2024 0 $0 3 VP of Business Development 24 Jun 2025, 12:59