Smith Brandon S. (CIK 1805226) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-30). Recent activity: Buy PRTA (78,000 shares), Sell PRTA (78,000 shares), Buy PRTA (130,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-30 | PROTHENA CORP PUBLIC LTD CO (PRTA) | Chief Operating Officer | Buy | 78,000 | $0 |
| 2026-07-30 | PROTHENA CORP PUBLIC LTD CO (PRTA) | Chief Operating Officer | Sell | 78,000 | $667,680 |
| 2025-07-30 | PROTHENA CORP PUBLIC LTD CO (PRTA) | Chief Operating Officer | Buy | 130,000 | $0 |
Source: SEC Form 4 filings · as of 2026-07-30