Jonathan Biller serves as Executive at CELGENE CORP /DE/, where they oversee executive responsibilities. Since joining the company, Jonathan Biller has executed 33 insider transactions totaling $1.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 25, 2026 involved selling 945 shares valued at $459.6K.
Jonathan Biller currently holds 13,659 shares of CELGENE CORP /DE/ (CELG), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jonathan Biller has been a net seller of CELG stock. They have purchased $0 and sold $1.8M worth of shares.
Jonathan Biller's most recent insider trade was on Feb 25, 2026, when they sold 945 shares at $486.35 per share.
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| $485.11 |
| Discretionary |
| Dec 3, 2025 | VRTX | $155.8K | Sale | 347 | $449.00 | Discretionary |
| Oct 2, 2025 | VRTX | $280.5K | Sale | 694 | $404.21 | Discretionary |
| Oct 1, 2025 | VRTX | $503.6K | Payment | 1,259 | $400.00 | Discretionary |
| Feb 12, 2024 | VRTX | $727.8K | Sale | 1,738 | $418.77 | Planned |
| Feb 9, 2024 | VRTX | $671.3K | Payment | 1,588 | $422.74 | Planned |
| Feb 7, 2024 | VRTX | $0 | Award | 4,743 | $N/A | Discretionary |
| Feb 6, 2024 | VRTX | $0 | Award | 6,294 | $N/A | Discretionary |
| Oct 2, 2023 | VRTX | $211.5K | Sale | 610 | $346.76 | Planned |
| Sep 29, 2023 | VRTX | $143.1K | Payment | 408 | $350.72 | Planned |
| Feb 1, 2023 | VRTX | $0 | Award | 6,293 | $N/A | Discretionary |
| Sep 19, 2022 | VRTX | $0 | Award | 5,294 | $N/A | Discretionary |
| Feb 22, 2022 | AGIO | $78.2K | Payment | 2,688 | $29.08 | Discretionary |
| Feb 18, 2022 | AGIO | $0 | Option Exercise | 8,523 | $N/A | Discretionary |
| Feb 10, 2022 | AGIO | $42.4K | Payment | 1,349 | $31.43 | Discretionary |
| Feb 10, 2022 | AGIO | $0 | Option Exercise | 3,667 | $N/A | Discretionary |
| Dec 3, 2021 | AGIO | $65.4K | Payment | 1,823 | $35.88 | Discretionary |
| Dec 3, 2021 | AGIO | $0 | Option Exercise | 5,753 | $N/A | Discretionary |
| Dec 3, 2020 | AGIO | $78.3K | Payment | 1,707 | $45.87 | Discretionary |
| Dec 3, 2020 | AGIO | $0 | Option Exercise | 5,753 | $N/A | Discretionary |
| Apr 14, 2020 | AGIO | $102.8K | Payment | 2,529 | $40.64 | Discretionary |
| Apr 13, 2020 | AGIO | $0 | Option Exercise | 8,523 | $N/A | Discretionary |
| Nov 20, 2019 | CELG | $0 | Award | 20,387 | $N/A | Discretionary |
| Nov 20, 2019 | CELG | $0 | Disposition | 26,652 | $N/A | Discretionary |
| Nov 20, 2019 | CELG | $0 | Disposition | 478 | $N/A | Discretionary |
| Nov 20, 2019 | CELG | $0 | Disposition | 400 | $N/A | Discretionary |
| Oct 31, 2019 | CELG | $0 | Option Exercise | 3,125 | $N/A | Discretionary |
| Oct 31, 2019 | CELG | $112.8K | Payment | 1,044 | $108.03 | Discretionary |
| May 2, 2019 | CELG | $46.7K | Payment | 490 | $95.21 | Discretionary |