Lafaille Stephen

CIK 00020740961 companyNORTH BILLERICA, MA

Transactions

Companies

Filings

CIK

0002074096

Recent Transactions

17 trades

Award
TECOGEN INC.$TGEN
Common Stock
2026-06-26+29,013→ 41,389 total
Award
TECOGEN INC.$TGEN
Common Stock
2026-06-26+29,013→ 29,013 total
Award
TECOGEN INC.$TGEN
Common Stock
2025-07-24+11,976→ 12,376 total
Award
TECOGEN INC.$TGEN
Stock Option (Right to Buy)
2025-07-24$8.35/sh+24,075→ 72,937 total
Exercise of In-Money
TECOGEN INC.$TGEN
Stock Options (Right to Buy)
2025-06-23$1.10/sh−10,000→ 17,500 total
Sale
TECOGEN INC.$TGEN
Common Stock
2025-06-23$7.25/sh−10,000→ 400 total
Exercise of In-Money
TECOGEN INC.$TGEN
Common Stock
2025-06-23$1.10/sh+10,000→ 10,400 total
Exercise of In-Money
TECOGEN INC.$TGEN
Stock Options (Right to Buy)
2025-06-06$1.10/sh−25,000→ 27,500 total
Exercise of In-Money
TECOGEN INC.$TGEN
Common Stock
2025-06-06$1.10/sh+25,000→ 25,400 total
Sale
TECOGEN INC.$TGEN
Common Stock
2025-06-06$5.98/sh−25,000→ 400 total
Sale
TECOGEN INC.$TGEN
Common Stock
2025-06-04$5.00/sh−15,000→ 400 total
Exercise of In-Money
TECOGEN INC.$TGEN
Common Stock
2025-06-04$0.71/sh+15,000→ 15,400 total
Exercise of In-Money
TECOGEN INC.$TGEN
Stock Options (Right to Buy)
2025-06-04$0.71/sh−15,000→ 25,000 total
Sale
TECOGEN INC.$TGEN
Common Stock
2025-06-03$4.88/sh−10,000→ 400 total
Exercise of In-Money
TECOGEN INC.$TGEN
Stock Options (Right to Buy)
2025-06-03$0.71/sh−10,000→ 40,000 total
Exercise of In-Money
TECOGEN INC.$TGEN
Common Stock
2025-06-03$0.71/sh+10,000→ 10,400 total
Purchase
TECOGEN INC.$TGEN
Common Stock
2025-03-03$2.50/sh+400→ 400 total

76 TREBLE COVE ROAD

NORTH BILLERICA, MA, 01862