Form 4 for PRTA PROTHENA CORP PUBLIC LTD CO
Accepted 2026-08-21 14:32:10 ET · period of report 2026-08-20 · accession 0001045463-26-000014 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-21 14:32 | 2026-08-20 | PRTA | SCULLY WILLIAM P | 10% | P - Purchase | $8.79 | +50.0K | 800.0K | +7% | +$439.4K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Ordinary Shares, par value $0.01 per share | 2026-08-20 | P | A | 50,000 | $8.79 | 800,000 | D | — | — | (F1) The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.7497 to $8.9000, inclusive. The reporting person undertakes to provide to Prothena Corp Public Ltd Co, any security holder of Prothena Corp Public Ltd Co, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4. |