James Fu Bin Lu $GRND SEC Form 4 Insider Trading

James Fu Bin Lu has filed a total of 43 insider trades in $GRND since 2021. Their most recent trade was a sale of 75,748 shares, made on Nov 18, 2025. Their largest trade was a sale of 1.1 million shares, made on May 13, 2025. We estimate that they now own 38.7 million shares of $GRND, worth an estimated $338.4 million.

Insider Trading at $GRND

There have been a total of 131 insider trades reported at $GRND since 2021, with 2.2 million shares purchased and 18.7 million shares sold. The most active insider traders in $GRND stock have been Zachary Katz, Austin J Balance, and Vandana Mehta-Krantz. The most recent trade was a purchase of 50,000 shares reported by George Raymond III Zage (None), made on Dec 05, 2025.

$GRND Executives and Stock Owners with Insider Trades

• Zachary Katz, GC and Head of Global Affairs

• Austin J Balance, Chief Product Officer

• Vandana Mehta-Krantz, Chief Financial Officer

• George Arison, CHIEF EXECUTIVE OFFICER

• Kye Chen, Chief Accounting Officer

• George Arison, Chief Executive 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.