Insider Trading

Peter Wirth Net Worth

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Last Updated: 5 months, 2 weeks ago

Peter Wirth has an estimated net worth of at least $10.0 million*, as of Oct. 29, 2025. They own 394,250 shares of ZLAB stock. They have sold 7,852 shares of ZLAB stock since 2021, for an estimated $-7,874.

Peter Wirth $ZLAB SEC Form 4 Insider Trading

Peter Wirth has filed a total of 3 insider trades in $ZLAB since 2021. Their most recent trade was a sale of 3,852 shares, made on Dec 08, 2022. Their largest trade was a sale of 4,000 shares, made on Dec 08, 2022. We estimate that they now own 394,250 shares of $ZLAB, worth an estimated $10.0 million.



Insider Trading at $ZLAB

There have been a total of 208 insider trades reported at $ZLAB since 2021, with 30,731 shares purchased and 1.6 million shares sold. The most active insider traders in $ZLAB stock have been Ying Du, Ying Du, and Tao Fu. The most recent trade was a sale of 3,017 shares reported by Joshua L Smiley (See Remarks), made on Apr 06, 2026.



History of Insider Stock Trades by Peter Wirth

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
ZLAB logo ZLAB Sale 3,852 Dec 08, 2022 Dec. 9, 2022, 5:05 p.m.
ZLAB logo ZLAB Sale 4,000 Dec 08, 2022 Dec. 9, 2022, 5:05 p.m.
ZLAB logo ZLAB Purchase 4,000 Dec 08, 2021 Dec. 8, 2021, 9:56 p.m.




$ZLAB Executives and Stock Owners with Insider Trades



*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.