Richard E. Buller is Director at Celcuity Inc. (CELC). They have made 10 open-market trades across 1 company since 2021, most recently 2026-06-05.
CIK 0001688319
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 10 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| CELC | 1,530 | $87K |
Shares reported on the most recent Form 4, priced at the 2026-06-09 close.
Counted per filing, not per execution lot — a purchase filled in several tranches is one decision.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| CELC | SELL · 10b5-1 | 2026-05-04 | 2026-05-06 | $140.46 | $1.3M | -2.0% | -34.7% | -31.5% |
| CELC | SELL · 10b5-1 | 2026-03-31 | 2026-04-02 | $110.27 | $331K | +9.7% | +28.9% | -7.1% |
| CELC | SELL | 2025-12-05 | 2025-12-09 | $105.69 | $634K | -0.7% | +2.7% | +11.3% |
| CELC | SELL | 2025-12-01 | 2025-12-03 | $98.13 | $108K | +2.9% | +1.2% | +8.1% |
| CELC | SELL | 2025-11-20 | 2025-11-21 | $96.73 | $377K | +8.4% | +3.5% | +9.3% |
| CELC | SELL · 10b5-1 | 2024-10-23 | 2024-10-25 | $16.25 | $6K | +3.8% | -11.2% | -25.5% |
| CELC | SELL · 10b5-1 | 2024-08-23 | 2024-08-27 | $16.95 | $6K | -9.0% | -14.9% | -17.0% |
| CELC | SELL · 10b5-1 | 2024-06-21 | 2024-06-25 | $15.68 | $5K | +3.4% | +17.1% | -14.5% |
| CELC | SELL · 10b5-1 | 2024-04-24 | 2024-04-26 | $17.06 | $6K | +10.6% | -4.8% | +20.3% |
| CELC | SELL · 10b5-1 | 2024-02-21 | 2024-02-23 | $14.15 | $5K | +18.0% | +15.4% | +2.9% |
| CELC | SELL · 10b5-1 | 2023-12-20 | 2023-12-22 | $14.37 | $5K | -7.9% | -1.1% | +18.1% |
| CELC | SELL · 10b5-1 | 2023-10-25 | 2023-10-27 | $10.23 | $4K | +3.6% | +41.2% | +47.9% |
| CELC | SELL · 10b5-1 | 2023-08-30 | 2023-09-01 | $9.28 | $3K | +0.9% | -6.6% | +50.0% |
| CELC | SELL · 10b5-1 | 2023-08-23 | 2023-08-25 | $9.82 | $3K | -10.7% | -4.6% | +36.9% |
| CELC | SELL · 10b5-1 | 2023-06-23 | 2023-06-27 | $11.79 | $4K | -17.2% | -17.8% | -20.3% |
| CELC | SELL | 2023-05-23 | 2023-05-25 | $11.10 | $833 | +6.6% | +19.2% | +0.4% |
| CELC | SELL | 2023-05-19 | 2023-05-23 | $10.04 | $4K | -1.4% | +8.9% | -8.9% |
| CELC | SELL · 10b5-1 | 2023-04-21 | 2023-04-25 | $9.70 | $3K | +2.0% | +7.8% | +7.4% |
| CELC | SELL · 10b5-1 | 2023-02-21 | 2023-02-23 | $11.40 | $3K | -2.0% | -6.9% | -5.2% |
| CELC | SELL · 10b5-1 | 2022-12-19 | 2022-12-21 | $11.11 | $3K | +6.8% | -3.3% | -12.2% |
| CELC | SELL · 10b5-1 | 2022-10-20 | 2022-10-24 | $9.97 | $3K | +0.5% | -7.7% | +12.2% |
| CELC | SELL | 2022-08-30 | 2022-09-01 | $10.02 | $1K | -17.2% | +4.5% | -5.4% |
| CELC | SELL | 2022-08-25 | 2022-08-29 | $10.01 | $4K | -10.8% | -7.3% | -8.1% |
| CELC | SELL · 10b5-1 | 2022-08-19 | 2022-08-23 | $8.95 | $3K | -3.1% | -11.2% | -1.3% |
| CELC | SELL · 10b5-1 | 2022-06-24 | 2022-06-28 | $9.47 | $3K | +4.7% | +7.5% | +2.5% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.