Dudediligence.

Prothena Corporation plc

PRTANASDAQ · Pharmaceutical Preparations
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$875,975

3 notices · 96,048 sh

Oct 2025 to Oct 2026

Reported ·

$3,097,250

0 sales · 5 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-07-29: ANNE KINGSTON, Form 1442026-07-29: MICHAEL JOHN ISAACS, Form 1442026-06-09: MALECEK MICHAEL J, Form 1442026-05-22: SCULLY WILLIAM P, bought2026-06-02: SCULLY WILLIAM P, bought2026-06-04: SCULLY WILLIAM P, bought2026-06-11: SCULLY WILLIAM P, bought2026-06-16: SCULLY WILLIAM P, bought
under a no plan named▼ sale▲ buysize is dollars

Form 144 notices, newest first

2026-07-29ANNE KINGSTON, Chief Strategy Officer$64,919
7,662 shplan 2026-03-30Form 4s on file end Jun 23144 ↗
2026-07-29MICHAEL JOHN ISAACS, General Counsel & Company Sec.$71,055
8,386 shplan 2026-04-03Form 4s on file end Jun 23144 ↗
2026-06-09MALECEK MICHAEL J, Chief Legal Officer$740,000
80,000 shplan 2025-09-03Form 4s on file end Jun 23144 ↗