John Oyler $ONC SEC Form 4 Insider Trading

John Oyler has filed a total of 18 insider trades in $ONC since 2021. Their most recent trade was a sale of 400 shares, made on Sep 16, 2025. Their largest trade was a sale of 12,446 shares, made on Sep 16, 2025. We estimate that they now own 8.3 million shares of $ONC, worth an estimated $0.

Insider Trading at $ONC

There have been a total of 87 insider trades reported at $ONC since 2021, with 0 shares purchased and 992,824 shares sold. The most active insider traders in $ONC stock have been Xiaobin Wu, John Oyler, and Chan Henry Lee. The most recent trade was a sale of 4,162 shares reported by Chan Henry Lee (SVP, General Counsel), made on Oct 08, 2025.

$ONC Executives and Stock Owners with Insider Trades

• Xiaobin Wu, President and COO

• John Oyler, Chief Executive Officer

• Chan Henry Lee, SVP, General Counsel

• Lai Wang, Global Head of R&D

• Titus B. Ball, Principal Accounting Officer

• Aaron Rosenberg, Chief Financial 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.