Arkolith/Insider Trading/BCHT/Form 4

Kaye David M

DirectorBirchtech Corp. (BCHT) · full profile →Form 4 · filed Dec 15, 2025
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 12, 2025Tax withholding(F)155K$0.93$144K370K
Dec 12, 2025Option exercise(M)250K$0.58$145K525K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Dec 12, 2025Option exercise(M)250K—$00

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001358094-25-000008) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML