Patrick Williams $IOSP SEC Form 4 Insider Trading

Patrick Williams has filed a total of 37 insider trades in $IOSP since 2021. Their most recent trade was a sale of 3,955 shares, made on Feb 29, 2024. Their largest trade was a sale of 9,021 shares, made on Nov 09, 2021. We estimate that they now own 231,535 shares of $IOSP, worth an estimated $16.1 million.

Insider Trading at $IOSP

There have been a total of 104 insider trades reported at $IOSP since 2021, with 4,908 shares purchased and 174,861 shares sold. The most active insider traders in $IOSP stock have been Patrick Williams, Ian Cleminson, and Philip John Boon. The most recent trade was a sale of 594 shares reported by Milton C Blackmore (None), made on Feb 27, 2026.

$IOSP Executives and Stock Owners with Insider Trades

• Patrick Williams, PRESIDENT & CEO

• Ian Cleminson, VP & CFO

• Philip John Boon, Executive VP Business Ops

• Corbin Barnes, SVP, Corporate Dev and IR

• David B. Jones, SVP, GC & CCO

• Hardy Louis Iii Griffin, SVP, HUMAN RESOURCES

• Ian Cleminson, EVP & CFO

• Ian Malcolm Mcrobbie, Senior VP R&T

*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.