Arkolith/Insider Trading/TGEN/Form 4

Lafaille Stephen

VP of Business DevelopmentTECOGEN INC. (TGEN) · full profile →Form 4 · filed Jul 28, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
2
1 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jul 24, 2025Grant(A)12K—$012K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jul 24, 2025Grant(A)24K$8.35$201K73K

Transaction Codes

A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001537435-25-000122) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML