Form 4 for PRTA PROTHENA CORP PUBLIC LTD CO
Accepted 2026-07-30 20:30:22 ET · period of report 2026-07-28 · accession 0000905148-26-003409 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-07-30 20:30 | 2026-07-28 | PRTA | Isaacs Michael John | GC, Company Sec | F - Tax | $8.56 | -4,694 | 44.1K | -10% | -$40.2K |
| T | 2026-07-30 20:30 | 2026-07-29 | PRTA | Isaacs Michael John | GC, Company Sec | S - Sale | $8.47 | -8,386 | 35.7K | -19% | -$71.1K |
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 | 2026-07-28 | F | D | 4,694 | $8.56 | 44,131 | D | — | — | |
| 2 | Common | Ordinary Shares, par value $0.01 per share | 2026-07-29 | S | D | 8,386 | $8.47 | 35,745 | D | — | — | (F1) The transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on April 3, 2026. (F2) The transaction was executed in multiple trades in prices ranging from $8.40 to $8.65, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. |