Stephen Lafaille Tecogen Inc. (TGEN) insider trading activity

TGEN Quotes by TradingView

Stephen Lafaille is VP of Business Development of TECOGEN INC.. Currently has a direct ownership of 12,376 shares of TGEN, which is worth approximately $86,384. The most recent transaction as insider was on Jul 24, 2025, when has been sold 11,976 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 12.4K
2994.0% 3M change
n/a 12M change
Total Value Held $86,384

Stephen Lafaille Transaction History

Date Transaction Value Shares Traded Shares Held Form
Jul 24 2025
BUY
Grant, award, or other acquisition
-
11,976 Added 49.18%
12,376 Common Stock
Jun 23 2025
SELL
Open market or private sale
$72,500 $7.25 p/Share
10,000 Reduced 96.15%
400 Common Stock
Jun 23 2025
BUY
Exercise of in-the-money or at-the-money derivatives securities
$11,000 $1.1 p/Share
10,000 Added 49.02%
10,400 Common Stock
Jun 06 2025
SELL
Open market or private sale
$149,500 $5.98 p/Share
25,000 Reduced 98.43%
400 Common Stock
Jun 06 2025
BUY
Exercise of in-the-money or at-the-money derivatives securities
$27,500 $1.1 p/Share
25,000 Added 49.6%
25,400 Common Stock
Jun 04 2025
SELL
Open market or private sale
$75,000 $5.0 p/Share
15,000 Reduced 97.4%
400 Common Stock
Jun 04 2025
BUY
Exercise of in-the-money or at-the-money derivatives securities
$10,650 $0.71 p/Share
15,000 Added 49.34%
15,400 Common Stock
Jun 03 2025
SELL
Open market or private sale
$48,800 $4.88 p/Share
10,000 Reduced 96.15%
400 Common Stock
Jun 03 2025
BUY
Exercise of in-the-money or at-the-money derivatives securities
$7,100 $0.71 p/Share
10,000 Added 49.02%
10,400 Common Stock
Mar 03 2025
BUY
Open market or private purchase
$1,000 $2.5 p/Share
400 Added 50.0%
400 Common Stock
SL

Stephen Lafaille

VP of Business Development
North Billerica, MA

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