Lafaille Stephen

Tecogen Inc. · VP of Business Development

Lafaille Stephen is listed in public filings as officer: VP of Business Development. This Lafaille Stephen insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Tecogen Inc. (TGEN). Investors use Lafaille Stephen's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Tecogen Inc.TGEN$609k72.9k sharesGrant / ExerciseJul 24, 2025$201.0K24.1k shares$8.35--
Tecogen Inc.TGEN--12.4k sharesGrant / ExerciseJul 24, 2025Disclosure amount unavailable12k shares----

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Tecogen Inc.TGEN$2.9k400 sharesSellJun 23, 2025$72.5K10k shares$7.25--
Tecogen Inc.TGEN$11k10.4k sharesOtherJun 23, 2025$11.0K10k shares$1.10--
Tecogen Inc.TGEN$2.4k400 sharesSellJun 6, 2025$149.5K25k shares$5.98--
Tecogen Inc.TGEN$28k25.4k sharesOtherJun 6, 2025$27.5K25k shares$1.10--
Tecogen Inc.TGEN$2.0k400 sharesSellJun 4, 2025$75.0K15k shares$5.00--
Tecogen Inc.TGEN$11k15.4k sharesOtherJun 4, 2025$10.7K15k shares$0.71--
Tecogen Inc.TGEN$2.0k400 sharesSellJun 3, 2025$48.8K10k shares$4.88--
Tecogen Inc.TGEN$7.4k10.4k sharesOtherJun 3, 2025$7.1K10k shares$0.71--
Tecogen Inc.TGEN$1.0k400 sharesBuyMar 3, 2025$1.0K400 shares$2.50--