SCULLY WILLIAM P purchased 3.4% of their position (27K shares) of PROTHENA CORP PUBLIC LTD CO on the open market
Open‑market purchase worth $255.7K — a small addition. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 9/3/2026ACC: 0001045463-26-000015
10% Owner
Since Dec 2024
+27K
Net shares
Net buyer
$255.7K
Total acquired
1
Open market trades
1B · 0S
1
Total transactions
27K acquired
Non-Derivative Transactions1
Ordinary Shares, par value $0.01 per share
Direct
Shares
+27K
Price / share
$9.47
Trade value
$255.74K
% of position
3.4%
9/2/2026
800K→827K
Total
Net shares
+27K
Net value
$255.74K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Ordinary Shares, par value $0.01 per share Direct | 9/2/2026 | P · Purchase | +27K | $9.47 | $255.74K | 3.4% | 800K | 827K |
| Total | +27K | $255.74K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)2
Ordinary Shares, par value $0.01 per share
IndirectShares owned83.50K
Ordinary Shares, par value $0.01 per share
IndirectShares owned52K
Total
135.50K indirect135.50K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Ordinary Shares, par value $0.01 per share | 83.50K | Indirect |
| Ordinary Shares, par value $0.01 per share | 52K | Indirect |
| Total | 135.50K | 135.50K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported