Smith Brandon S.
SEC CIK 1805226 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| PRTA | PROTHENA CORP PUBLIC LTD CO | COO | 130.0K | — | $1.31M | 13 | 2023-06-14 | 2026-07-28 |
Most active insiders at PRTA, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | SCULLY WILLIAM P | 10% | $4.96M | — |
| 2 | Isaacs Michael John | GC, Company Sec | — | $71.1K |
| 3 | Kingston Anne Evans | Chief Strategy Off | — | $64.9K |
| 4 | Swanson Chad J. | Chief Development Off | — | — |
| 5 | Smith Brandon S. | COO | — | — |
| 6 | Zago Wagner M. | CSO | — | — |
| 7 | Kinney Gene G. | Pres, CEO, Dir | — | — |
| 8 | Walker Karin L | CAO | — | — |
| 9 | Nguyen Tran | CFO, Chief Strategy Off | — | — |
Transactions 13
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-07-30 20:33 | 2026-07-28 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | M - OptEx | — | +78.0K | 130.0K | +150% | — |
| D | 2026-07-30 20:33 | 2026-07-28 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | D - Sale to Iss | $8.56 | -78.0K | 52.0K | -60% | -$667.7K |
| 2025-07-30 | 2025-07-28 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | A - Grant | $0.00 | +130.0K | 130.0K | New | $0 | |
| DMT | 2023-10-11 | 2023-10-11 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | S - Sale+OE | $46.74 | -4,000 | 444 | -90% | -$187.0K |
| DT | 2023-10-11 | 2023-10-11 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | M - OptEx | $11.12 | +4,000 | 4,000 | New | +$44.5K |
| DMT | 2023-09-13 | 2023-09-13 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | S - Sale+OE | $55.49 | -4,000 | 0 | -100% | -$222.0K |
| DT | 2023-09-13 | 2023-09-13 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | M - OptEx | $11.12 | +4,000 | 4,000 | New | +$44.5K |
| DT | 2023-08-16 | 2023-08-16 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | M - OptEx | $11.12 | +4,000 | 4,000 | New | +$44.5K |
| DMT | 2023-08-16 | 2023-08-16 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | S - Sale+OE | $58.71 | -4,000 | 0 | -100% | -$234.8K |
| DMT | 2023-07-12 | 2023-07-12 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | S - Sale+OE | $67.51 | -4,000 | 0 | -100% | -$270.0K |
| DT | 2023-07-12 | 2023-07-12 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | M - OptEx | $11.12 | +4,000 | 4,000 | New | +$44.5K |
| DMT | 2023-06-14 | 2023-06-14 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | S - Sale+OE | $73.98 | -5,333 | 1,362 | -80% | -$394.6K |
| DT | 2023-06-14 | 2023-06-14 | PRTA | PROTHENA CORP PUBLIC LTD CO | Smith Brandon S. | COO | M - OptEx | $11.12 | +5,333 | 5,333 | New | +$59.3K |
Purchase Sale Sale after option exercise All abbreviations