James Fu Bin Lu $GRND SEC Form 4 Insider Trading

James Fu Bin Lu has filed a total of 49 insider trades in $GRND since 2021. Their most recent trade was a sale of 112,368 shares, made on Jan 12, 2026. 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 137 insider trades reported at $GRND since 2021, with 2.2 million shares purchased and 19.3 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 sale of 302,939 shares reported by James Fu Bin Lu (None), made on Jan 09, 2026.

$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.