Senior insider sale
General Counsel & Company Sec. at PROTHENA CORP PUBLIC LTD CO — senior position signals high conviction
$71.1K
8.39K shares
What this filing means
ISAACS MICHAEL JOHN plans to sell 8.39K shares of PROTHENA CORP PUBLIC LTD CO valued at approximately $71.1K. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 7/29/2026ACC: 0001950047-26-007388
Officer· General Counsel & Company Sec.
Since Jun 2026
8.39K
Shares to sell
$71.1K
Approx. market value
8.39K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Restricted Stock
Not Applicable
7/28/2026
8.39KTotal acquired8.39K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
7/28/2026 | Restricted Stock Not Applicable | 8.39K | — |
| Total | 8.39K | ||
Planned & Completed Dispositions1
NASDAQPlanned
Units to sell
8.39K
Market value
$71.1K
7/29/2026
Total
Units
8.39K
Value
$71.1K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
7/29/2026 | 8.39K | $71.1K | NASDAQ | Planned |
| Total | 8.39K | $71.1K | ||