SCULLY WILLIAM P purchased 81.5% of their position (37.50K shares) of PROTHENA CORP PUBLIC LTD CO on the open market
Open‑market purchase worth $323.2K — a major conviction buy. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 8/10/2026ACC: 0001045463-26-000010
10% Owner
Since Dec 2024
+37.50K
Net shares
Net buyer
$323.2K
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
37.50K acquired
Non-Derivative Transactions2
Ordinary Shares, par value $0.01 per share
Direct
Shares
+34K
Price / share
$8.62
Trade value
$293.05K
% of position
4.5%
8/7/2026
756K→790K
Ordinary Shares, par value $0.01 per share
Indirect
Shares
+3.50K
Price / share
$8.62
Trade value
$30.17K
% of position
4.4%
8/7/2026
80K→83.50K
Total
Net shares
+37.50K
Net value
$323.22K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Ordinary Shares, par value $0.01 per share Direct | 8/7/2026 | P · Purchase | +34K | $8.62 | $293.05K | 4.5% | 756K | 790K |
| Ordinary Shares, par value $0.01 per share Indirect | 8/7/2026 | P · Purchase | +3.50K | $8.62 | $30.17K | 4.4% | 80K | 83.50K |
| Total | +37.50K | $323.22K | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1
Ordinary Shares, par value $0.01 per share
IndirectShares owned52K
Total
52K indirect52K
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Ordinary Shares, par value $0.01 per share | 52K | Indirect |
| Total | 52K | 52K indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported