Buller Richard E
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Buller Richard E. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| CELC | Sale | 1,510 | $106.04 | $160,120 | Dec 5, 2025 | |
| CELC | Gift | 500 | — | — | Dec 1, 2025 | |
| CELC | Sale | 3,900 | $96.73 | $377,247 | Nov 19, 2025 | |
| CELC | Gift | 1,079 | — | — | May 27, 2025 | |
| CELC | Award / Grant | 1,029 | — | — | May 19, 2025 | |
| CELC | Sale | 350 | $16.25 | $5,688 | Oct 23, 2024 | |
| CELC | Sale | 350 | $16.95 | $5,933 | Aug 23, 2024 | |
| CELC | Sale | 350 | $15.68 | $5,488 | Jun 21, 2024 | |
| CELC | Award / Grant | 1,079 | — | — | Jun 4, 2024 | |
| CELC | Gift | 1,958 | — | — | May 22, 2024 | |
| CELC | Sale | 350 | $17.06 | $5,971 | Apr 24, 2024 | |
| CELC | Sale | 350 | $14.15 | $4,953 | Feb 21, 2024 | |
| CELC | Sale | 350 | $14.37 | $5,030 | Dec 20, 2023 | |
| CELC | Sale | 350 | $10.23 | $3,581 | Oct 25, 2023 | |
| CELC | Sale | 350 | $9.28 | $3,248 | Aug 30, 2023 | |
| CELC | Sale | 300 | $9.82 | $2,946 | Aug 23, 2023 | |
| CELC | Sale | 300 | $11.79 | $3,537 | Jun 23, 2023 | |
| CELC | Sale | 75 | $11.10 | $833 | May 23, 2023 | |
| CELC | Sale | 100 | $10.50 | $1,050 | May 19, 2023 | |
| CELC | Award / Grant | 1,958 | — | — | May 15, 2023 | |
| CELC | Sale | 300 | $9.70 | $2,910 | Apr 21, 2023 | |
| CELC | Sale | 300 | $11.40 | $3,420 | Feb 21, 2023 | |
| CELC | Sale | 300 | $11.11 | $3,333 | Dec 19, 2022 | |
| CELC | Sale | 300 | $9.97 | $2,991 | Oct 20, 2022 | |
| CELC | Sale | 100 | $10.02 | $1,002 | Aug 30, 2022 | |
| CELC | Sale | 200 | $10.05 | $2,010 | Aug 26, 2022 | |
| CELC | Sale | 300 | $8.95 | $2,685 | Aug 19, 2022 | |
| CELC | Sale | 300 | $9.47 | $2,841 | Jun 24, 2022 | |
| CELC | Sale | 750 | $6.24 | $4,680 | May 23, 2022 | |
| CELC | Sale | 250 | $5.65 | $1,413 | May 19, 2022 | |
| CELC | Award / Grant | 3,273 | — | — | May 17, 2022 | |
| CELC | Sale | 300 | $7.34 | $2,202 | Apr 20, 2022 | |
| CELC | Sale | 250 | $15.55 | $3,888 | Nov 19, 2021 | |
| CELC | Award / Grant | 1,482 | — | — | May 12, 2021 | |
| CELC | Award / Grant | 7,843 | — | — | May 14, 2020 |