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PRTA Exercise Disclosure
Walker Karin L · SEC Form 4 · Filed Jul 30, 2026
Exercise
Reported value range
Not reported
Walker Karin L Chief Accounting Officer
PRTA
Transaction date
Jul 28, 2026
Public filing date
Jul 30, 2026
Filing lag
Filed 2 days later
PRTA daily price context
Close on/before transaction
$8.56
Jul 28, 2026
First close after public filing
$8.12
Jul 31, 2026
30-day return after filing
+15.15%
Through Aug 31, 2026
Source details
- Reported owner
- Not disclosed
- Source asset code
- Security
- Security
- Ordinary Shares, par value $0.01 per share
- Quantity / price
- 15,000 shares
- SEC ownership
- Direct
- Transaction code
- M
- Form
- 4
- Filing identifier
- 0000905148-26-003416
Filing cohort
Transactions in this filing
Showing 3 of 3
Trades
3
Issuers
1
Estimated value
$128.4K
Buys / sales
0 / 0
| Issuer | Transaction | Traded | Value |
|---|---|---|---|
| Prothena Corp Public Ltd Co PRTA | Disposition | Jul 28, 2026 | $128.4K |
| Prothena Corp Public Ltd Co PRTA Current | Exercise | Jul 28, 2026 | Not reported |
| Prothena Corp Public Ltd Co PRTA | Exercise | Jul 28, 2026 | $0 |