Isaacs Michael John (CIK 2127815) reported 2 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-30). Recent activity: Sell PRTA (4,694 shares), Sell PRTA (8,386 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-30 | PROTHENA CORP PUBLIC LTD CO (PRTA) | General Counsel & Company Sec. | Sell | 4,694 | $40,181 |
| 2026-07-30 | PROTHENA CORP PUBLIC LTD CO (PRTA) | General Counsel & Company Sec. | Sell | 8,386 | $71,055 |
Source: SEC Form 4 filings · as of 2026-07-30