Stephen Lafaille - VP of Business Development at TECOGEN INC.

Issuer-level insider activity

Role
VP of Business Development
Issuer ticker
TGEN on NYSE
Identity Names, identifiers, and filing context for this profile. 1 identity field
Entity type
Individual
Source evidence Original filing metadata and source links for verification. 1 source field
Source filing history
Open source filing history

No buys or sells have been reported by Stephen Lafaille since 22 Oct 2025

Reported holdings for Stephen Lafaille in TECOGEN INC.

Form 4 holding VP of Business Development

TECOGEN INC.

Security class
Stock Option (Right to Buy)
Shares / value
72,937
Estimated value
$609,023
Report date
24 Jul 2025
Price
$8.35
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding VP of Business Development

TECOGEN INC.

Security class
Common Stock
Shares / value
41,389
Estimated value
$154,380
Report date
26 Jun 2026
Price
$3.73
Ownership
Direct
Form 4 holding VP of Business Development

TECOGEN INC.

Security class
Stock Options (Right to Buy)
Shares / value
17,500
Estimated value
$19,250
Report date
23 Jun 2025
Price
$1.10
Ownership
Direct
Underlying class
Common Stock
Underlying amount

Transaction history for Stephen Lafaille in TECOGEN INC.

Sym Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
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