WALKER KARIN L (Chief Accounting Officer) exercised options at PROTHENA CORP PUBLIC LTD CO
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 7/31/2026ACC: 0000905148-26-003416
Officer· Chief Accounting Officer
Since Mar 2026
-15K
Net shares
Net seller
$128.4K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
15K acquired · 30K disposed
Non-Derivative Transactions2
Ordinary Shares, par value $0.01 per share
Direct
Shares
+15K
Price / share
—
Trade value
—
% of position
150.0%
7/28/2026
10K→25K
Ordinary Shares, par value $0.01 per share
Direct
Shares
−15K
Price / share
$8.56
Trade value
$128.40K
% of position
60.0%
7/28/2026
25K→10K
Total
Net shares
+0.00
Net value
-$128.40K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Ordinary Shares, par value $0.01 per share Direct | 7/28/2026 | M · Option Exercise | +15K | — | — | 150.0% | 10K | 25K |
| Ordinary Shares, par value $0.01 per share Direct | 7/28/2026 | D · Disposition | −15K | $8.56 | $128.40K | 60.0% | 25K | 10K |
| Total | +0.00 | -$128.40K | ||||||
Derivative Transactions1
Restricted Stock Units
Direct
Converts to
Ordinary Shares
15K shares
Shares
−15K
Strike price
Held after
0.00
Exercisable
—
7/28/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Restricted Stock Units Direct | Ordinary Shares15K shares | 7/28/2026 | M · Option Exercise | −15K | — | 0.00 |