Insider · CIK 0001457013
Tran Nguyen
Files at PRTA (PROTHENA CORP PUBLIC LTD CO), RAIN (Rain Oncology Inc.). First filing -, latest -.
In brief
Tran Nguyen files SEC Form 4 as CFO and director at PRTA (PROTHENA CORP PUBLIC LTD CO), and also at RAIN (Rain Oncology Inc.). 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; Tran Nguyen 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 |
|---|---|---|---|---|---|
| Mar 4, 2024 | ATRA Atara Biotherapeutics, Inc. | 10,728 0.01% of outstanding | $8,268 | Mar 4, 2024 | none |
Transactions
Every row this insider has filed, 10 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 | +57,000 | - | - | 97,205 | Jul 30, 2026 |
| Jul 28, 2026 | PRTA PROTHENA CORP PUBLIC LTD CO | DDisposition to issuer Ordinary Shares, par value $0.01 per share | -57,000 | $8.56 | $488k | 40,205 | Jul 30, 2026 |
| Jul 28, 2026 | PRTA PROTHENA CORP PUBLIC LTD CO | MOption exercise Restricted Stock Unitsderivative | -57,000 | $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 | +230,000 | $0.00 | $0 | 230,000 | Mar 5, 2026 |
| Jul 28, 2025 | PRTA PROTHENA CORP PUBLIC LTD CO | AGrant or award Ordinary Shares, par value $0.01 per share | +95,000 | $0.00 | $0 | 97,205 | Jul 30, 2025 |
| Feb 27, 2024 | PRTA PROTHENA CORP PUBLIC LTD CO | AGrant or award Stock Option (Right to Buy)derivative | +85,000 | $0.00 | $0 | 85,000 | Feb 29, 2024 |
| Jan 26, 2024 | RAIN Rain Oncology Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -13,890 | - | - | 0 | Jan 26, 2024 |
| Jan 26, 2024 | RAIN Rain Oncology Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -42,596 | - | - | 0 | Jan 26, 2024 |
| Jan 26, 2024 | RAIN Rain Oncology Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -35,000 | - | - | 0 | Jan 26, 2024 |
| Jan 26, 2024 | RAIN Rain Oncology Inc. | DDisposition to issuer Stock Option (Right to Buy)derivative | -20,000 | - | - | 0 | Jan 26, 2024 |
Questions about Tran Nguyen
Answered from the filings on this page, as of the latest one.
Is Tran Nguyen buying or selling?
Tran Nguyen has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Tran Nguyen's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Tran Nguyen has 0.
Where does Tran Nguyen file Form 4?
Tran Nguyen has filed Form 4 at PRTA (PROTHENA CORP PUBLIC LTD CO) as Chief Strategy Officer and CFO; RAIN (Rain Oncology Inc.). 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.