RAAB MICHAEL bought ARDX

February 24, 2026 · Form 4 insider transaction

RAAB MICHAEL bought 20,833 shares of ARDX CALL at $0.99 per share, a transaction worth $20.6K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction

Acquired (buy-side)

20,833

Price

$0.99

Total value

$20.6K

InsiderRAAB MICHAEL

RoleOfficer, Director

CompanyARDX CALL (ARDX)

SecurityCommon Stock

Transaction codeM — Option exercise

Transaction dateFebruary 24, 2026

Filing dateFebruary 25, 2026

Shares owned after1,877,819

OwnershipDirect

10b5-1 planNo

AmendedNo

Footnotes

Transaction made pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 7, 2025.

View the original Form 4 on SEC EDGAR