Insider · CIK 0001779336
Michael J Malecek
Files at PRTA (PROTHENA CORP PUBLIC LTD CO). First filing -, latest -.
In brief
Michael J Malecek files SEC Form 4 as officer at PRTA (PROTHENA CORP PUBLIC LTD CO). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Michael J Malecek has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jun 9, 2026 | PRTA PROTHENA CORP PUBLIC LTD CO | 80,000 0.15% of outstanding | $740k | Jun 9, 2026 | none |
Transactions
Every row this insider has filed, 2 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 3, 2026 | PRTA PROTHENA CORP PUBLIC LTD CO | AGrant or award Stock Option (Right to Buy)derivative | +190,000 | $0.00 | $0 | 190,000 | Mar 5, 2026 |
| Jul 28, 2025 | PRTA PROTHENA CORP PUBLIC LTD CO | AGrant or award Ordinary Shares, par value $0.01 per share | +80,000 | $0.00 | $0 | 80,000 | Jul 30, 2025 |
Questions about Michael J Malecek
Answered from the filings on this page, as of the latest one.
Is Michael J Malecek buying or selling?
Michael J Malecek has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Michael J Malecek's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Michael J Malecek has 0.
Where does Michael J Malecek file Form 4?
Michael J Malecek has filed Form 4 at PRTA (PROTHENA CORP PUBLIC LTD CO) as Chief Legal Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.