David Y Liu Net Worth
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David Y Liu has an estimated net worth of at least $10.1 million*, as of June 11, 2025. They own 167,590 shares of PTGX stock. They have sold 14,779 shares of PTGX stock since 2021, for an estimated $702,889.
David Y Liu $PTGX SEC Form 4 Insider Trading
David Y Liu has filed a total of 1 insider trades in $PTGX since 2021. Their most recent trade was a sale of 14,779 shares, made on Aug 17, 2021. Their largest trade was a sale of 14,779 shares, made on Aug 17, 2021. We estimate that they now own 167,590 shares of $PTGX, worth an estimated $9.4 million.
Insider Trading at $PTGX
There have been a total of 38 insider trades reported at $PTGX since 2021, with 0 shares purchased and 628,379 shares sold. The most active insider traders in $PTGX stock have been Asif Ali, Arturo Md Molina, and Dinesh V Ph D Patel. The most recent trade was a sale of 10,000 shares reported by ARTURO MD MOLINA (Chief Medical Officer), made on Jun 10, 2025.
History of Insider Stock Trades by David Y Liu
| Company Ticker | Purchase / Sale | Shares | Date | Disclosed (EST) |
|---|---|---|---|---|
PTGX
|
Sale | 14,779 | Aug 17, 2021 | Aug. 18, 2021, 8 p.m. |
$PTGX Executives and Stock Owners with Insider Trades
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Asif Ali, Chief Financial Officer
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Arturo Md Molina, Chief Medical Officer
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Dinesh V Ph D Patel, President and CEO
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Suneel Gupta, Chief Development Officer
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David Y Liu, Chief Scientific Officer
*This is only based off of information found in SEC filings, and may not reflect actual net worth. There may also be inaccuracies due to privately holdings filing errors, parsing errors, accidental double-counting of shares, incorrect classification of indirectly owned shares, sales prior to dataset start date, or any other number of issues.