Arkolith/Insider Trading/OMER/Form 4

Demopulos Gregory A MD

Chairman, CEO & President, DirectorOMEROS CORP (OMER) · full profile →Form 4 · filed Feb 20, 2026
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
Feb 18, 2026Tax withholding(F)358K$11.93$4.3M1.5M
Feb 18, 2026Option exercise(M)400K$10.27$4.1M1.8M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 18, 2026Option exercise(M)400K—$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 0001437749-26-004950) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML