PRTA
Prothena Corp Public Ltd CO
35 disclosed insider filings · 9 distinct insiders · latest Oct 29, 2026
Total filings
35
9 insiders
Insider buys
14
$9.0M
Insider sells
8
$2.9M
Grants & other
0
$0
All disclosed filings
Same-day tranches are grouped per insider - the Lots column shows how many individual executions a row covers; Price is the value-weighted average.
| Filed | Tx date | Insider | Type | Qty | Avg price | Value | Lots | Source |
|---|---|---|---|---|---|---|---|---|
| Oct 29, 2026 | Oct 27, 2026 | William P Scully 10% OWNER | GIFT | 566,444 | — | — | — | EDGAR |
| Oct 26, 2026 | Oct 23, 2026 | William P Scully 10% OWNER | BUY | 50,000 | $8.07 | $404K | — | EDGAR |
| Oct 26, 2026 | Oct 22, 2026 | William P Scully 10% OWNER | BUY | 100,000 | $8.19 | $819K | — | EDGAR |
| Oct 15, 2026 | Oct 14, 2026 | William P Scully 10% OWNER | BUY | 10,000 | $8.46 | $85K | — | EDGAR |
| Oct 15, 2026 | Oct 13, 2026 | William P Scully 10% OWNER | BUY | 100,000 | $8.35 | $835K | — | EDGAR |
| Oct 9, 2026 | Oct 8, 2026 | William P Scully 10% OWNER | BUY | 90,000 | $8.57 | $771K | — | EDGAR |
| Oct 9, 2026 | Oct 7, 2026 | William P Scully 10% OWNER | BUY | 125,000 | $8.4 | $1.1M | — | EDGAR |
| Oct 6, 2026 | Oct 2, 2026 | William P Scully 10% OWNER | BUY | 100,000 | $8.57 | $857K | — | EDGAR |
| Sep 30, 2026 | Sep 29, 2026 | William P Scully 10% OWNER | BUY | 162,000 | $8.68 | $1.4M | — | EDGAR |
| Sep 29, 2026 | Sep 28, 2026 | William P Scully 10% OWNER | BUY | 103,500 | $8.6 | $890K | — | EDGAR |
| Sep 21, 2026 | Sep 18, 2026 | William P Scully 10% OWNER | BUY | 100,000 | $8.43 | $843K | — | EDGAR |
| Sep 3, 2026 | Sep 2, 2026 | William P Scully 10% OWNER | BUY | 27,000 | $9.47 | $256K | — | EDGAR |
| Aug 21, 2026 | Aug 20, 2026 | William P Scully 10% OWNER | BUY | 50,000 | $8.79 | $439K | — | EDGAR |
| Aug 18, 2026 | Aug 18, 2026 | William P Scully 10% OWNER | GIFT | 627,553 | — | — | — | EDGAR |
| Aug 18, 2026 | Aug 17, 2026 | William P Scully 10% OWNER | GIFT | 336,000 | — | — | — | EDGAR |
| Aug 11, 2026 | Aug 10, 2026 | William P Scully 10% OWNER | GIFT | 251,553 | — | — | — | EDGAR |
| Aug 10, 2026 | Aug 7, 2026 | William P Scully 10% OWNER | BUY | 37,500 | $8.62 | $323K | 2 | EDGAR |
| Jul 30, 2026 | Jul 29, 2026 | Anne Evans Kingston INSIDER | SELL | 7,662 | $8.47 | $65K | — | EDGAR |
| Jul 30, 2026 | Jul 29, 2026 | Michael John Isaacs INSIDER | SELL | 8,386 | $8.47 | $71K | — | EDGAR |
| Jul 30, 2026 | Jul 28, 2026 | Karin L Walker INSIDER | OTHER | 15,000 | — | — | — | EDGAR |
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