Kevin Bitterman $IRON SEC Form 4 Insider Trading

Kevin Bitterman has filed a total of 68 insider trades in $IRON since 2021. Their most recent trade was a sale of 2,005 shares, made on Dec 12, 2025. Their largest trade was a purchase of 222,223 shares, made on Jun 17, 2024. We estimate that they now own 14,161 shares of $IRON, worth an estimated $33.4 million.

Insider Trading at $IRON

There have been a total of 309 insider trades reported at $IRON since 2021, with 1.0 million shares purchased and 6.1 million shares sold. The most active insider traders in $IRON stock have been William Jacob Savage, John D Quisel, and Brian Richard Macdonald. The most recent trade was a sale of 16,403 shares reported by Kevin Bitterman (None), made on Dec 12, 2025.

$IRON Executives and Stock Owners with Insider Trades

• William Jacob Savage, Chief Medical Officer

• John D Quisel, Chief Executive Officer

• Brian Richard Macdonald, Chief Innovation Officer

• Joanne Bryce, Chief Financial Officer

• Rahul Khara, Chief Legal Officer

• Jonathan Yen-Wen Yu, Chief Operating Officer

• Rahul Khara, General Counsel

• Jean M. Franchi, Chief Financial Officer

• Pamela Stephenson, Chief Commercial 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.