Arkolith/Insider Trading/TGEN/Form 4/A

Panora Robert A

COO and PresidentTECOGEN INC. (TGEN) · full profile →Form 4/A · filed Jul 14, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$551K
Net Open-Market Flow
-$551K
Transactions
11
8 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 24, 2025Sell(S)900$6.86$6K63K
Jun 23, 2025Sell(S)32K$6.36$202K63K
Jun 18, 2025Sell(S)13K$5.03$65K95K
Jun 16, 2025Option exercise(M)13K$0.79$10K26K
Jun 16, 2025Option exercise(M)30K$0.71$21K56K
Jun 16, 2025Option exercise(M)53K$1.10$58K108K
Jun 4, 2025Sell(S)31K$5.00$155K13K
Jun 3, 2025Sell(S)26K$4.69$122K44K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jun 16, 2025Option exercise(M)30K$0.71$21K100K
Jun 16, 2025Option exercise(M)13K$0.79$10K0
Jun 16, 2025Option exercise(M)53K$1.10$58K0

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4/A filing (accession 0001537435-25-000071) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4/A XML