Senior insider sale
See Remarks at PROTHENA CORP PUBLIC LTD CO — senior position signals high conviction
$740.0K
80K shares
What this filing means
MALECEK MICHAEL J plans to sell 80K shares of PROTHENA CORP PUBLIC LTD CO valued at approximately $740.0K. 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: 6/9/2026ACC: 0001193125-26-263019
Officer· See Remarks
Since Jul 2019
80K
Shares to sell
$740.0K
Approx. market value
80K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
EMPLOYEE RESTRICTED SHARE UNIT AWARD
CASH
7/28/2025
80KTotal acquired80K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
7/28/2025 | EMPLOYEE RESTRICTED SHARE UNIT AWARD CASH | 80K | — |
| Total | 80K | ||
Planned & Completed Dispositions1
NASDAQPlanned
Units to sell
80K
Market value
$740.0K
6/9/2026
Total
Units
80K
Value
$740.0K
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
6/9/2026 | 80K | $740.0K | NASDAQ | Planned |
| Total | 80K | $740.0K | ||