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 | |||||||
|---|---|---|---|---|---|---|---|
| GRND | 10% Owner | Sale | 375,000 | $3.8M | Feb 6 | SEC ↗ | |
| GRND | 10% Owner | Sale | 600,000 | $6.0M | Feb 6 | SEC ↗ | |
| GRND | 10% Owner | Sale | 475,000 | $4.8M | Feb 6 | SEC ↗ | |
| GRND | 10% Owner | Sale | 200,000 | $2.3M | Feb 3 | SEC ↗ | |
| GRND | 10% Owner | Sale | 178,427 | $2.0M | Feb 3 | SEC ↗ | |
| GRND | 10% Owner | Sale | 234,339 | $2.5M | Feb 3 | SEC ↗ | |
| GRND | 10% Owner | Sale | 200,000 | $2.4M | Jan 27 | SEC ↗ | |
| GRND | 10% Owner | Sale | 239,000 | $2.9M | Jan 27 | SEC ↗ | |
| GRND | 10% Owner | Sale | 200,000 | $2.3M | Jan 27 | SEC ↗ | |
| GRND | 10% Owner | Sale | 200,000 | $2.4M | Jan 22 | SEC ↗ | |
| GRND | 10% Owner | Sale | 200,000 | $2.4M | Jan 22 | SEC ↗ | |
| GRND | 10% Owner | Sale | 200,000 | $2.4M | Jan 22 | SEC ↗ | |
| GRND | 10% Owner | Sale | 302,939 | $4.0M | Jan 13 | SEC ↗ | |
| GRND | 10% Owner | Sale | 112,368 | $1.5M | Jan 13 | SEC ↗ | |
| GRND | 10% Owner | Sale | 92,071 | $1.2M | Jan 7 | SEC ↗ | |
| GRND | 10% Owner | Sale | 3,628 | $49K | Dec 30 | SEC ↗ | |
| GRND | 10% Owner | Sale | 100,000 | $1.4M | Dec 29 | SEC ↗ | |
| GRND | 10% Owner | Sale | 43,994 | $594K | Dec 29 | SEC ↗ | |
| GRND | 10% Owner | Sale | 75,748 | $1.0M | Nov 18 | SEC ↗ | |
| GRND | 10% Owner | Sale | 363,665 | $5.1M | Nov 17 | SEC ↗ | |
| GRND | 10% Owner | Sale | 4,316 | $60K | Nov 17 | SEC ↗ | |
| GRND | 10% Owner | Sale | 558,744 | $8.4M | Nov 13 | SEC ↗ | |
| GRND | 10% Owner | Sale | 291,948 | $4.3M | Nov 13 | SEC ↗ | |
| GRND | 10% Owner | Sale | 205,579 | $3.0M | Nov 13 | SEC ↗ | |
| GRND | Director, 10% Owner | Sale | 250,000 | $3.3M | Oct 21 | SEC ↗ |
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.