Arkolith/Insider Trading/CLIR/Form 4

Hinds Brent

Chief Financial OfficerClearSign Technologies Corp (CLIR) · full profile →Form 4 · filed Feb 24, 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
Feb 22, 2026Tax withholding(F)3K$0.59$2K135K
Feb 22, 2026Option exercise(M)8K——138K
Feb 20, 2026Option exercise(M)9K——134K
Feb 20, 2026Tax withholding(F)3K$0.59$2K130K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 22, 2026Option exercise(M)8K—$08K
Feb 20, 2026Option exercise(M)9K—$019K

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001104659-26-019278) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML