James Fu Bin Lu is Director & 10% Owner at Grindr Inc. (GRND). They have made 29 open-market trades across 1 company since 2022, most recently 2026-02-06.
CIK 0001937262
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 29 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| GRND | 18,432,101 | $259.9M |
| TSP | 156,250 | $39K |
| Total | $259.9M |
Shares reported on the most recent Form 4, priced at the 2026-02-06 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| 7d | 30d | 90d | |
|---|---|---|---|
| Accuracy | 55% | 41% | 48% |
| Avg Move | +1.1% | +3.0% | +1.3% |
| Scored | 29 | 29 | 29 |
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| GRND | SELL | 2026-02-04 | 2026-02-06 | $10.07 | $14.6M | +6.9% | +17.7% | +36.0% |
| GRND | SELL | 2026-01-30 | 2026-02-03 | $11.03 | $6.8M | -4.2% | +10.6% | +29.8% |
| GRND | SELL | 2026-01-23 | 2026-01-27 | $11.88 | $7.6M | -13.2% | -0.6% | +15.0% |
| GRND | SELL | 2026-01-20 | 2026-01-22 | $12.01 | $7.2M | -12.3% | -5.9% | +12.5% |
| GRND | SELL | 2026-01-09 | 2026-01-13 | $13.22 | $5.5M | -8.3% | -24.6% | -2.9% |
| GRND | SELL | 2026-01-05 | 2026-01-07 | $13.53 | $1.2M | -8.6% | -22.4% | -6.8% |
| GRND | SELL | 2025-12-29 | 2025-12-30 | $13.50 | $49K | -1.6% | -13.2% | -7.5% |
| GRND | SELL | 2025-12-23 | 2025-12-29 | $13.66 | $2.6M | -0.2% | -12.2% | -6.9% |
| GRND | SELL | 2025-11-18 | 2025-11-18 | $13.65 | $2.1M | -7.1% | -1.0% | -24.7% |
| GRND | SELL | 2025-11-14 | 2025-11-17 | $14.10 | $10.4M | -5.3% | +0.3% | -23.1% |
| GRND | SELL | 2025-11-11 | 2025-11-13 | $14.83 | $31.3M | -10.5% | -7.2% | -26.5% |
| GRND | SELL | 2025-10-17 | 2025-10-21 | $13.13 | $3.3M | +5.6% | +4.6% | -8.2% |
| GRND | SELL | 2025-10-15 | 2025-10-17 | $12.81 | $10.2M | +14.5% | +6.9% | -4.3% |
| GRND | SELL | 2025-10-10 | 2025-10-15 | $12.65 | $12.6M | +12.4% | +10.0% | +3.3% |
| GRND | SELL | 2025-10-09 | 2025-10-14 | $13.15 | $13.2M | +14.9% | +9.7% | +0.1% |
| GRND | SELL | 2025-05-27 | 2025-05-29 | $23.91 | $52.8M | -6.0% | -7.1% | -36.3% |
| GRND | SELL | 2025-05-22 | 2025-05-27 | $23.99 | $19.1M | -2.2% | -6.1% | -34.6% |
| GRND | SELL | 2025-05-14 | 2025-05-16 | $24.05 | $9.7M | +4.4% | -0.2% | -30.5% |
| GRND | SELL | 2025-05-12 | 2025-05-14 | $23.94 | $74.4M | -1.7% | -5.2% | -32.3% |
| GRND | SELL | 2024-12-10 | 2024-12-16 | $15.14 | $5.7M | +6.0% | +0.1% | +0.2% |
| GRND | SELL | 2024-12-04 | 2024-12-06 | $15.35 | $33.1M | +3.4% | +8.7% | -2.5% |
| GRND | SELL | 2024-12-02 | 2024-12-04 | $15.24 | $40.1M | +9.2% | +15.9% | +16.5% |
| GRND | SELL | 2024-11-12 | 2024-11-14 | $14.62 | $9.2M | +5.1% | +18.0% | +29.1% |
| GRND | SELL | 2024-06-12 | 2024-06-14 | $9.17 | $16.5M | +20.5% | +21.7% | +15.5% |
| GRND | SELL | 2024-06-10 | 2024-06-12 | $9.12 | $3.3M | +11.3% | +31.4% | +26.9% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.