Transaction · 0001045463-26-000013

SCULLY WILLIAM P

SCULLY WILLIAM P, 10%, reported a transaction classified as gift at PROTHENA CORP PUBLIC LTD CO involving 336000.000000 shares for an estimated $0.00. Reported holdings after the transaction were 1377553.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

giftSEC transaction code G10%
PRTAPROTHENA CORP PUBLIC LTD CO
Filing timeAug 18
Trade dateAug 17, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$8.71
Pre-filing
1mo ago -0.6%1w ago +4.6%1d ago +1.7%
Returns since
7d +10.0%30d +10.3%90d +10.3%180d +10.3%1y +10.3%

PRTA price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
PRTA since 2026-08-18Filed 17 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
gift
Code G
Identifier
0001045463-26-000013
Ordinary Shares, par value $0.01 per share
Transaction date
Aug 17, 2026
Filed Aug 18, 2026, 08:03 PM · 1d delay
Shares
336k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
1.37M sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership
-6score
Filing-only score

-6

Compact filing score computed from stored Form 4 facts. Version v1.

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

    The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein.

Original filing · 0001045463-26-000013
Related transactions

0 other filings

Same reporting owner
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