Buller Richard E
SEC CIK 1688319 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CELC | Celcuity Inc. | Dir | 1,530 | — | $2.49M | 47 | 2021-11-19 | 2026-06-05 |
Most active insiders at CELC, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | BAKER BROS. ADVISORS LP | Former 10% owner | — | $317.75M |
| 2 | Dalvey David | Dir | — | $7.42M |
| 3 | Buller Richard E | Dir | — | $2.40M |
| 4 | Murphy Polly A. | Dir | — | — |
| 5 | ROMP CHARLES R | Dir | — | — |
| 6 | Furcht Leo | Dir | — | — |
| 7 | Hahne Vicky | CFO | — | — |
| 8 | Laing Lance G. | CSO, Dir | — | — |
| 9 | NIGON RICHARD | Dir | — | — |
| 10 | Sullivan Brian F. | CEO, Dir | — | — |
Transactions 47
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-09 18:22 | 2026-06-05 | CELC | Celcuity Inc. | Buller Richard E | Dir | A - Grant | $0.00 | +1,530 | 1,530 | New | $0 | |
| 2026-05-20 16:58 | 2026-05-19 | CELC | Celcuity Inc. | Buller Richard E | Dir | G - Gift | $0.00 | -1,029 | 0 | -100% | $0 | |
| I | 2026-05-20 16:58 | 2026-05-19 | CELC | Celcuity Inc. | Buller Richard E | Dir | G - Gift | $0.00 | +1,029 | 7,789 | +15% | $0 |
| DTI | 2026-05-06 16:30 | 2026-05-04 | CELC | Celcuity Inc. | Buller Richard E | Dir | M - OptEx | $5.10 | +9,000 | 15.8K | +133% | +$45.9K |
| DMTI | 2026-05-06 16:30 | 2026-05-04 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale+OE | $140.46 | -9,000 | 6,760 | -57% | -$1.26M |
| DTI | 2026-04-02 16:05 | 2026-03-31 | CELC | Celcuity Inc. | Buller Richard E | Dir | M - OptEx | $5.10 | +3,000 | 9,760 | +44% | +$15.3K |
| DMTI | 2026-04-02 16:05 | 2026-03-31 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale+OE | $110.27 | -3,000 | 6,760 | -31% | -$330.8K |
| DMI | 2025-12-09 | 2025-12-05 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale+OE | $105.69 | -3,000 | 6,760 | -31% | -$317.1K |
| DI | 2025-12-09 | 2025-12-05 | CELC | Celcuity Inc. | Buller Richard E | Dir | M - OptEx | $5.50 | +3,000 | 9,760 | +44% | +$16.5K |
| DI | 2025-12-03 | 2025-12-01 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale+OE | $98.13 | -1,100 | 7,260 | -13% | -$107.9K |
| DI | 2025-12-03 | 2025-12-01 | CELC | Celcuity Inc. | Buller Richard E | Dir | M - OptEx | $14.83 | +1,100 | 8,360 | +15% | +$16.3K |
| DI | 2025-12-03 | 2025-12-02 | CELC | Celcuity Inc. | Buller Richard E | Dir | G - Gift | $0.00 | -500 | 6,760 | -7% | $0 |
| DI | 2025-11-21 | 2025-11-19 | CELC | Celcuity Inc. | Buller Richard E | Dir | G - Gift | $0.00 | -500 | 7,260 | -6% | $0 |
| DI | 2025-11-21 | 2025-11-20 | CELC | Celcuity Inc. | Buller Richard E | Dir | M - OptEx | $14.83 | +3,900 | 11.2K | +54% | +$57.8K |
| DI | 2025-11-21 | 2025-11-20 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale+OE | $96.73 | -3,900 | 7,260 | -35% | -$377.2K |
| DI | 2025-05-29 | 2025-05-27 | CELC | Celcuity Inc. | Buller Richard E | Dir | G - Gift | $0.00 | +1,079 | 7,760 | +16% | $0 |
| D | 2025-05-29 | 2025-05-27 | CELC | Celcuity Inc. | Buller Richard E | Dir | G - Gift | $0.00 | -1,079 | 1,029 | -51% | $0 |
| D | 2025-05-21 | 2025-05-19 | CELC | Celcuity Inc. | Buller Richard E | Dir | A - Grant | $0.00 | +1,029 | 2,108 | +95% | $0 |
| I | 2024-10-25 | 2024-10-23 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $16.25 | -350 | 6,681 | -5% | -$5,688 |
| I | 2024-08-27 | 2024-08-23 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $16.95 | -350 | 7,031 | -5% | -$5,932 |
| I | 2024-06-25 | 2024-06-21 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $15.68 | -350 | 7,381 | -5% | -$5,488 |
| D | 2024-06-06 | 2024-06-04 | CELC | Celcuity Inc. | Buller Richard E | Dir | A - Grant | $0.00 | +1,079 | 6,852 | +19% | $0 |
| 2024-05-24 | 2024-05-22 | CELC | Celcuity Inc. | Buller Richard E | Dir | G - Gift | $0.00 | -1,958 | 5,773 | -25% | $0 | |
| I | 2024-05-24 | 2024-05-22 | CELC | Celcuity Inc. | Buller Richard E | Dir | G - Gift | $0.00 | +1,958 | 1,958 | New | $0 |
| 2024-04-26 | 2024-04-24 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $17.06 | -350 | 7,731 | -4% | -$5,971 | |
| 2024-02-23 | 2024-02-21 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $14.15 | -350 | 8,081 | -4% | -$4,952 | |
| 2023-12-22 | 2023-12-20 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $14.37 | -350 | 8,431 | -4% | -$5,030 | |
| 2023-10-27 | 2023-10-25 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $10.23 | -350 | 8,781 | -4% | -$3,580 | |
| 2023-09-01 | 2023-08-30 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $9.28 | -350 | 9,131 | -4% | -$3,248 | |
| 2023-08-25 | 2023-08-23 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $9.82 | -300 | 9,481 | -3% | -$2,946 | |
| 2023-06-27 | 2023-06-23 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $11.79 | -300 | 9,781 | -3% | -$3,537 | |
| 2023-05-25 | 2023-05-23 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $11.10 | -75 | 10.1K | -0.7% | -$832.50 | |
| M | 2023-05-23 | 2023-05-19+ | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $10.04 | -350 | 10.2K | -3% | -$3,513 |
| D | 2023-05-17 | 2023-05-15 | CELC | Celcuity Inc. | Buller Richard E | Dir | A - Grant | $0.00 | +1,958 | 10.5K | +23% | $0 |
| 2023-04-25 | 2023-04-21 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $9.70 | -300 | 8,548 | -3% | -$2,910 | |
| 2023-02-23 | 2023-02-21 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $11.40 | -300 | 8,848 | -3% | -$3,420 | |
| 2022-12-21 | 2022-12-19 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $11.11 | -300 | 9,148 | -3% | -$3,333 | |
| 2022-10-24 | 2022-10-20 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $9.97 | -300 | 9,448 | -3% | -$2,991 | |
| 2022-09-01 | 2022-08-30 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $10.02 | -100 | 9,748 | -1% | -$1,002 | |
| M | 2022-08-29 | 2022-08-25+ | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $10.01 | -350 | 9,998 | -3% | -$3,503 |
| 2022-08-23 | 2022-08-19 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $8.95 | -300 | 10.2K | -3% | -$2,685 | |
| 2022-06-28 | 2022-06-24 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $9.47 | -300 | 10.5K | -3% | -$2,841 | |
| 2022-05-25 | 2022-05-23 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $6.24 | -750 | 10.8K | -6% | -$4,680 | |
| 2022-05-23 | 2022-05-19 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $5.65 | -250 | 11.5K | -2% | -$1,412 | |
| D | 2022-05-19 | 2022-05-17 | CELC | Celcuity Inc. | Buller Richard E | Dir | A - Grant | $0.00 | +3,273 | 11.8K | +38% | $0 |
| 2022-04-22 | 2022-04-20 | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $7.34 | -300 | 8,525 | -3% | -$2,202 | |
| M | 2021-11-23 | 2021-11-19+ | CELC | Celcuity Inc. | Buller Richard E | Dir | S - Sale | $15.85 | -500 | 8,825 | -5% | -$7,925 |
Purchase Sale Sale after option exercise All abbreviations