Arkolith/Insider Trading/PESI/Form 4

Grondin Richard

EVP of Hanford & Int. Waste OpPERMA FIX ENVIRONMENTAL SERVICES INC (PESI) · full profile →Form 4 · filed Jan 21, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
6
4 non-derivative · 2 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jan 20, 2026Tax withholding(F)2K$13.71$24K41K
Jan 20, 2026Option exercise(M)6K$3.95$24K43K
Jan 20, 2026Tax withholding(F)3K$13.71$35K37K
Jan 20, 2026Option exercise(M)5K$7.01$35K40K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Jan 20, 2026Option exercise(M)5K—$05K
Jan 20, 2026Option exercise(M)6K—$012K

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001493152-26-003012) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML