As of Nov 2, 2026: Tran Nguyen (CFO, PRTA) reported no shares bought or sold themselves in the last 12 months (Form 4). PRTA's Quality Score is 0. Scores as of 7:55 PM ET, 15 minutes behind.

Tran Nguyen

Chief Strategy Officer and CFO of Prothena Corporation

No shares they bought or sold themselves in the last 12 months. Their newest Form 4, for Jul 28: stock unit conversion (57,000 PRTA shares).

Bought$012 months Sold$012 months Last filedJul 28stock unit conversion

From SEC Form 4s · Insiders have 2 business days to file a trade

Every trade Tran Nguyen reported

None in the last 12 months, as filed.

Their filings on the SEC's siteEvery Form 4 they filed, as filed, on EDGAR.

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Tran Nguyen's companies

Where they file, with the stock's Quality Score

Company	Title, as filed	Trades	Quality Score
PRTAProthenaCFO	Chief Strategy Officer and CFOfiled Jul 30	0	0

Alerts for Tran Nguyen

One alert for each Form 4 they file.

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Use this page

Kept by Andrew Gomes, Breakaway's founder, from the SEC's Form 4 filings. Updated Jul 28, 2026.

Free to reuse with a link to this page.

How to cite

Breakaway, Tran Nguyen: Chief Strategy Officer and CFO at PRTA, Jul 28, 2026, getbreakaway.com/insiders/tran-nguyen

Journalists: email support@getbreakaway.com for the data behind this page.

Others who file at Prothena Corporation

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