Matthew D Kaufman $RBLX SEC Form 4 Insider Trading

Matthew D Kaufman has filed a total of 39 insider trades in $RBLX since 2021. Their most recent trade was a sale of 10,994 shares, made on Aug 20, 2026. Their largest trade was a sale of 27,634 shares, made on Feb 10, 2026. We estimate that they now own 338,970 shares of $RBLX, worth an estimated $16.6 million.

Insider Trading at $RBLX

There have been a total of 1265 insider trades reported at $RBLX since 2021, with 52 shares purchased and 31.3 million shares sold. The most active insider traders in $RBLX stock have been David Baszucki, Craig Donato, and Michael Guthrie. The most recent trade was a sale of 1,920 shares reported by Mark Reinstra (Chief Legal Off. & Corp. Sec.), made on Sep 08, 2026.

$RBLX Executives and Stock Owners with Insider Trades

• David Baszucki, President & CEO

• Craig Donato, Chief Business Officer

• Michael Guthrie, Chief Financial Officer

• Manuel Bronstein, Chief Product Officer

• Mark Reinstra, Gen. Counsel & Secretary

• Amy Marie Rawlings, Chief Accounting Officer

• Mark Reinstra, Chief Legal Off. & Corp. Sec.

• Daniel Sturman, Chief Technology Officer

• Brett Tolley, Principal Accounting Officer

• Matthew D Kaufman, Chief Safety Officer

• Arvind Chakravarthy, Chief People & Systems Officer

• Barbara Messing, CMKtg & People Exper Officer

• Naveen K. Chopra, Chief Financial Officer

• Sean Jack Buckley, Chief People & Systems Officer

• Barbara Messing, CMKtg & Communications Officer

• Deepika Gupta, Principal Accounting 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.