Lu James Fu Bin

SEC Form 4 insider trading activity

Lu James Fu Bin has filed 15 SEC Form 4 filings (31 transaction rows) across 1 company, with disclosures dating back to 2025. 15 of those filings fall inside the rolling window. Most recent filing: Feb 6, 2026.

On the most recent filing, Lu James Fu Bin is listed as 10% Owner at Grindr Inc. Inside the rolling window, Lu James Fu Bin reported no open-market purchases and 30 open-market sales totaling $101.6M in GRND. The largest disclosed transaction in the window is a sale of 1,000,000 GRND shares on Oct 9, 2025, worth $13.2M.

Companies traded

Other insiders at GRND

Insider Buying

$0

reported purchases (SEC code P)

Insider Selling

$101.6M

reported sales (SEC code S)

Companies

1

in the rolling window

Source
GRNDSale$3.8MFeb 6SEC ↗
GRNDSale$6.0MFeb 6SEC ↗
GRNDSale$4.8MFeb 6SEC ↗
GRNDSale$2.3MFeb 3SEC ↗
GRNDSale$2.0MFeb 3SEC ↗
GRNDSale$2.5MFeb 3SEC ↗
GRNDSale$2.4MJan 27SEC ↗
GRNDSale$2.9MJan 27SEC ↗
GRNDSale$2.3MJan 27SEC ↗
GRNDSale$2.4MJan 22SEC ↗
GRNDSale$2.4MJan 22SEC ↗
GRNDSale$2.4MJan 22SEC ↗
GRNDSale$4.0MJan 13SEC ↗
GRNDSale$1.5MJan 13SEC ↗
GRNDSale$1.2MJan 7SEC ↗
GRNDSale$49KDec 30SEC ↗
GRNDSale$1.4MDec 29SEC ↗
GRNDSale$594KDec 29SEC ↗
GRNDSale$1.0MNov 18SEC ↗
GRNDSale$5.1MNov 17SEC ↗
GRNDSale$60KNov 17SEC ↗
GRNDSale$8.4MNov 13SEC ↗
GRNDSale$4.3MNov 13SEC ↗
GRNDSale$3.0MNov 13SEC ↗
GRNDSale$3.3MOct 21SEC ↗
Showing 1–25 of 30
1 / 2

Frequently asked questions

How many SEC Form 4 filings has Lu James Fu Bin made?

Lu James Fu Bin has filed 15 SEC Form 4 filings (31 transaction rows) across 1 company since 2025.

Which companies does Lu James Fu Bin trade?

Lu James Fu Bin has filed SEC Form 4 disclosures for 1 company, including GRND.

When was Lu James Fu Bin's most recent SEC Form 4 filing?

Lu James Fu Bin's most recent SEC Form 4 filing on Tracefour is dated Feb 6, 2026.

What is Lu James Fu Bin's total buy and sell value in the current window?

Inside the rolling retention window, Lu James Fu Bin bought $0 and sold $101.6M based on SEC Form 4 filings.

What was Lu James Fu Bin's largest disclosed transaction?

The largest disclosed transaction in the current window is a sale of 1,000,000 GRND shares on 2025-10-09, worth $13.2M, per SEC Form 4 filings.