Insider Trading

Jack Y. Zhang Net Worth

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Jack Y. Zhang has an estimated net worth of at least $147.1 million*, as of Jan. 1, 2025. They own 3.7 million shares of AMPH stock. They have sold 237,871 shares of AMPH stock since 2021, for an estimated $8.3 million.

Jack Y. Zhang $AMPH SEC Form 4 Insider Trading

Jack Y. Zhang has filed a total of 10 insider trades in $AMPH since 2021. Their most recent trade was a sale of 10,650 shares, made on May 20, 2022. Their largest trade was a sale of 55,264 shares, made on May 18, 2022. We estimate that they now own 3.7 million shares of $AMPH, worth an estimated $138.8 million.



Insider Trading at $AMPH

There have been a total of 170 insider trades reported at $AMPH since 2021, with 0 shares purchased and 1.6 million shares sold. The most active insider traders in $AMPH stock have been William J Peters, Mary Z. Luo, and Rong Zhou. The most recent trade was a sale of 7,000 shares reported by Rong Zhou (SENIOR EVP, PRODUCTION CENTER), made on Dec 12, 2024.



History of Insider Stock Trades by Jack Y. Zhang

Company Ticker Purchase / Sale Shares Date Disclosed (EST)
AMPH Sale 10,650 May 20, 2022 May 22, 2022, 8 p.m.
AMPH Sale 9,776 May 18, 2022 May 20, 2022, 4:38 p.m.
AMPH Sale 55,264 May 18, 2022 May 20, 2022, 4:38 p.m.
AMPH Sale 2,006 May 18, 2022 May 20, 2022, 4:38 p.m.
AMPH Sale 41,615 May 19, 2022 May 20, 2022, 4:38 p.m.
AMPH Sale 115 May 19, 2022 May 20, 2022, 4:38 p.m.
AMPH Sale 47,539 May 17, 2022 May 18, 2022, 4:06 p.m.
AMPH Sale 2,837 May 17, 2022 May 18, 2022, 4:06 p.m.
AMPH Sale 13,795 May 16, 2022 May 18, 2022, 4:06 p.m.
AMPH Sale 54,274 May 16, 2022 May 18, 2022, 4:06 p.m.




$AMPH 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.