LEWIS EARL

PrivateCIK: 1230427
Location

N. BILLERICA, MA

InsiderLEWIS EARLCIK 1230427
IssuerTECOGEN INC.CIK 1537435
Director
Since Jun 2019
+25K
Net shares
Net buyer
$0.00
Total acquired
0
Open market trades
0B · 0S
1
Total transactions
25K acquired
Non-Derivative Transactions0
No non-derivative transactions reported
Derivative Transactions1

Stock Option (Right to Buy)

Direct
A · Award
Converts to

Common Stock

25K shares

Shares

+25K

Strike price

8.35

Held after

91.25K

Exercisable

7/24/2025
LEWIS EARL — Insider Transaction (Form 4) Filed Jul 28, 2025 | Finecho