Nello Mainolfi $KYMR SEC Form 4 Insider Trading

Nello Mainolfi has filed a total of 54 insider trades in $KYMR since 2021. Their most recent trade was a sale of 936 shares, made on Apr 29, 2026. Their largest trade was a sale of 100,000 shares, made on Dec 08, 2025. We estimate that they now own 696,195 shares of $KYMR, worth an estimated $50.8 million.

Insider Trading at $KYMR

There have been a total of 365 insider trades reported at $KYMR since 2021, with 5.5 million shares purchased and 5.4 million shares sold. The most active insider traders in $KYMR stock have been Nello Mainolfi, Jared Gollob, and Jeremy G Chadwick. The most recent trade was a sale of 3,730 shares reported by Jeremy G Chadwick (Chief Operating Officer), made on May 26, 2026.

$KYMR Executives and Stock Owners with Insider Trades

• Nello Mainolfi, Chief Executive Officer

• Jared Gollob, Chief Medical Officer

• Jeremy G Chadwick, Chief Operating Officer

• Bruce N. Jacobs, Chief Financial Officer

• Noah Goodman, Chief Business Officer

• Ellen Chiniara, Chief Legal Officer

• Richard Chesworth, Chief Scientific 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.