Jonathan M Rothberg $QSI SEC Form 4 Insider Trading

Jonathan M Rothberg has filed a total of 10 insider trades in $QSI since 2021. Their most recent trade was a sale of 26,095 shares, made on Oct 16, 2025. Their largest trade was a sale of 834,254 shares, made on Dec 27, 2024. We estimate that they now own 2.6 million shares of $QSI, worth an estimated $4.2 million.

Insider Trading at $QSI

There have been a total of 56 insider trades reported at $QSI since 2021, with 420,561 shares purchased and 4.1 million shares sold. The most active insider traders in $QSI stock have been John S. Vieceli, Christian Lapointe, and Jeffrey Alan Hawkins. The most recent trade was a sale of 21,927 shares reported by John S. Vieceli (Chief Product Officer), made on Dec 22, 2025.

$QSI Executives and Stock Owners with Insider Trades

• John S. Vieceli, Chief Product Officer

• Christian Lapointe, General Counsel & Corp. Secr.

• Jeffrey Alan Hawkins, President & CEO

• Jeffry R. Keyes, Chief Financial Officer

• Christian Lapointe, GC & Corp. Secretary

• Grace Johnston, Chief Commercial Officer

• John Viii Stark, Chief Executive Officer

• Matthew Dyer, Chief Business Officer

• Todd C. Bennett, Chief Commercial Officer

• Jonathan M Rothberg, Interim CEO

• Michael P Mckenna, Chief Operating Officer

• Michael P Mckenna, EVP, Product Development & Ops

*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.