PROTHENA CORP PUBLIC LTD CO (PRTA) — Insider Trading
Insider trading activity for PROTHENA CORP PUBLIC LTD CO sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 18
- Last trade date: Sep 30, 2026
- Ticker: PRTA
Top Insiders
- COLLIER RICHARD T — 1 trades, buy: $0, sell: $0
- Kingston Anne Evans (Chief Strategy Officer) — 1 trades, buy: $0, sell: $0
- WELCH DANIEL G — 1 trades, buy: $0, sell: $0
- Selkoe Dennis J. — 1 trades, buy: $0, sell: $0
- Ekman Lars — 1 trades, buy: $0, sell: $0
Recent Trades
| Date | Insider | Ticker / Company |
Type | Shares | Value |
| Sep 29, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
BUY |
162,000 |
$1.4M |
| Sep 28, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
BUY |
103,500 |
$890K |
| Sep 18, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
BUY |
100,000 |
$843K |
| Aug 18, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
627,553 |
N/A |
| Aug 17, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
336,000 |
N/A |
| Jun 16, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
BUY |
20,000 |
$158K |
| Jun 15, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
325,000 |
N/A |
| Jun 11, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
BUY |
125,000 |
$1.0M |
| Jun 4, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
BUY |
50,000 |
$465K |
| Jun 2, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
BUY |
50,000 |
$471K |
| May 22, 2026 |
SCULLY WILLIAM P |
PRTA PROTHENA CORP PUBLIC LTD CO |
BUY |
100,000 |
$981K |
| May 15, 2026 |
COLLIER RICHARD T |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
27,000 |
N/A |
| May 15, 2026 |
Cooke Shane |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
27,000 |
N/A |
| May 15, 2026 |
Dunn William H. Jr. |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
27,000 |
N/A |
| May 15, 2026 |
Ekman Lars |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
27,000 |
N/A |
| May 15, 2026 |
Selkoe Dennis J. |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
27,000 |
N/A |
| May 15, 2026 |
WELCH DANIEL G |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
27,000 |
N/A |
| Apr 10, 2026 |
Kingston Anne Evans |
PRTA PROTHENA CORP PUBLIC LTD CO |
OTHER |
100,000 |
N/A |
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