Richard E. Buller serves as Executive at Celcuity Inc., where they oversee executive responsibilities. Since joining the company, Richard E. Buller has executed 42 insider transactions totaling $886.2K, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 5, 2025 involved selling 1,510 shares valued at $160.1K.
Richard E. Buller currently holds 6,760 shares of Celcuity Inc. (CELC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Richard E. Buller has been a net seller of CELC stock. They have purchased $0 and sold $886.2K worth of shares.
Richard E. Buller's most recent insider trade was on Dec 5, 2025, when they sold 1,510 shares at $106.04 per share.
Get notified when new Form 4 filings are submitted
| $5.50 |
| Discretionary |
| Dec 5, 2025 | CELC | $157.0K | Sale | 1,490 | $105.34 | Discretionary |
| Dec 2, 2025 | CELC | $0 | Gift | 500 | $N/A | Discretionary |
| Dec 1, 2025 | CELC | $16.3K | Option Exercise | 1,100 | $14.83 | Discretionary |
| Dec 1, 2025 | CELC | $107.9K | Sale | 1,100 | $98.13 | Discretionary |
| Nov 20, 2025 | CELC | $377.2K | Sale | 3,900 | $96.73 | Discretionary |
| Nov 20, 2025 | CELC | $57.8K | Option Exercise | 3,900 | $14.83 | Discretionary |
| Nov 19, 2025 | CELC | $0 | Gift | 500 | $N/A | Discretionary |
| Aug 23, 2024 | CELC | $5.9K | Sale | 350 | $16.95 | Planned |
| Jun 21, 2024 | CELC | $5.5K | Sale | 350 | $15.68 | Planned |
| Jun 4, 2024 | CELC | $0 | Award | 1,079 | $N/A | Discretionary |
| May 22, 2024 | CELC | $0 | Gift | 1,958 | $N/A | Discretionary |
| May 22, 2024 | CELC | $0 | Gift | 1,958 | $N/A | Discretionary |
| Apr 24, 2024 | CELC | $6.0K | Sale | 350 | $17.06 | Planned |
| Feb 21, 2024 | CELC | $5.0K | Sale | 350 | $14.15 | Planned |
| Dec 20, 2023 | CELC | $5.0K | Sale | 350 | $14.37 | Planned |
| Oct 25, 2023 | CELC | $3.6K | Sale | 350 | $10.23 | Planned |
| Aug 30, 2023 | CELC | $3.2K | Sale | 350 | $9.28 | Planned |
| Aug 23, 2023 | CELC | $2.9K | Sale | 300 | $9.82 | Discretionary |
| Jun 23, 2023 | CELC | $3.5K | Sale | 300 | $11.79 | Planned |
| May 23, 2023 | CELC | $833 | Sale | 75 | $11.10 | Discretionary |
| May 22, 2023 | CELC | $1.1K | Sale | 100 | $10.50 | Discretionary |
| May 19, 2023 | CELC | $2.5K | Sale | 250 | $9.85 | Discretionary |
| May 15, 2023 | CELC | $0 | Award | 1,958 | $N/A | Discretionary |
| Apr 21, 2023 | CELC | $2.9K | Sale | 300 | $9.70 | Planned |
| Feb 21, 2023 | CELC | $3.4K | Sale | 300 | $11.40 | Discretionary |
| Dec 19, 2022 | CELC | $3.3K | Sale | 300 | $11.11 | Discretionary |
| Oct 20, 2022 | CELC | $3.0K | Sale | 300 | $9.97 | Discretionary |
| Aug 30, 2022 | CELC | $1.0K | Sale | 100 | $10.02 | Discretionary |