Insider · CIK 0002038509
Chad J. Swanson
Files at PRTA (PROTHENA CORP PUBLIC LTD CO). First filing -, latest -.
In brief
Chad J. Swanson 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; Chad J. Swanson has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 6 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jul 28, 2026 | PRTA PROTHENA CORP PUBLIC LTD CO | MOption exercise Ordinary Shares, par value $0.01 per share | +51,000 | - | - | 85,000 | Jul 30, 2026 |
| Jul 28, 2026 | PRTA PROTHENA CORP PUBLIC LTD CO | DDisposition to issuer Ordinary Shares, par value $0.01 per share | -40,800 | $8.56 | $349k | 44,200 | Jul 30, 2026 |
| Jul 28, 2026 | PRTA PROTHENA CORP PUBLIC LTD CO | FTax withholding Ordinary Shares, par value $0.01 per share | -3,467 | $8.56 | $30k | 40,733 | Jul 30, 2026 |
| Jul 28, 2026 | PRTA PROTHENA CORP PUBLIC LTD CO | MOption exercise Restricted Stock Unitsderivative | -51,000 | $0.00 | $0 | 0 | Jul 30, 2026 |
| 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 | +85,000 | $0.00 | $0 | 85,000 | Jul 30, 2025 |
Questions about Chad J. Swanson
Answered from the filings on this page, as of the latest one.
Is Chad J. Swanson buying or selling?
Chad J. Swanson has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Chad J. Swanson's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Chad J. Swanson has 0.
Where does Chad J. Swanson file Form 4?
Chad J. Swanson has filed Form 4 at PRTA (PROTHENA CORP PUBLIC LTD CO) as Chief Development 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.