Swanson Chad J. sold PRTA

July 28, 2026 · Form 4 insider transaction

Swanson Chad J. sold 40,800 shares of Prothena Corporation plc at $8.56 per share, a transaction worth $349.2K. The trade was recorded as disposition to the issuer and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
40,800
Price
$8.56
Total value
$349.2K
RoleOfficer
SecurityOrdinary Shares, par value $0.01 per share
Transaction codeD: Disposition to the issuer
Transaction dateJuly 28, 2026
Filing dateJuly 30, 2026
Shares owned after44,200
OwnershipDirect
10b5-1 planNo
AmendedNo
View the original Form 4 on SEC EDGAR