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Scully William P's Form 4 filing

Prothena Corp Public Ltd Co (PRTA) · filed Sep 21, 2026

Accession no.
0001045463-26-000016
Filed
Sep 21, 2026, 4:23 PM ET
Trade date
Sep 18, 2026
Filing delay
3 days
Rule 10b5-1 plan
Not checked

This filing lists 1 non-derivative transaction and 0 derivative transactions. Open-market purchases total $843.5K. It was filed 3 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Scully William PCIK 000104546310% Owner

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Sep 18, 2026Ordinary Shares, par value $0.01 per sharePPurchaseAcquired+100,000$8.43+$843,460927,000Direct

Footnotes

Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.

Read the original on SEC EDGAR (opens in a new tab)