Jonathan C. Fox serves as Executive at MyoKardia Inc, where they oversee executive responsibilities. Since joining the company, Jonathan C. Fox has executed 50 insider transactions totaling $7.6M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 2, 2026 involved receiving (via award) 473 shares valued at $0.
Jonathan C. Fox currently holds 24,175 shares of MyoKardia Inc (MYOK), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Jonathan C. Fox has been a net seller of MYOK stock. They have purchased $330.4K and sold $7.3M worth of shares.
Jonathan C. Fox's most recent insider trade was on Jan 2, 2026, when they sold 473 shares at $0.00 per share.
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| $18.64 |
| Discretionary |
| Oct 1, 2025 | EWTX | $0 | Award | 728 | $N/A | Discretionary |
| Jul 1, 2025 | EWTX | $0 | Award | 858 | $N/A | Discretionary |
| Dec 26, 2023 | EWTX | $101.0K | Purchase | 10,857 | $9.30 | Discretionary |
| Jan 26, 2021 | EIDX | $0 | Tender | 380,467 | $N/A | Discretionary |
| Dec 28, 2020 | EIDX | $0 | Gift | 500 | $N/A | Discretionary |
| Sep 17, 2020 | EIDX | $289.3K | Sale | 5,767 | $50.16 | Discretionary |
| Sep 16, 2020 | EIDX | $156.6K | Sale | 3,122 | $50.16 | Discretionary |
| Sep 15, 2020 | EIDX | $50.1K | Sale | 1,000 | $50.06 | Discretionary |
| Sep 14, 2020 | EIDX | $5.5K | Sale | 111 | $50.00 | Discretionary |
| Jul 7, 2020 | EIDX | $250.0K | Sale | 5,000 | $50.00 | Discretionary |
| Jun 29, 2020 | EIDX | $0 | Other | 1,088 | $N/A | Discretionary |
| Jun 3, 2020 | EIDX | $250.0K | Sale | 5,000 | $50.00 | Discretionary |
| Jun 2, 2020 | EIDX | $0 | Gift | 1,020 | $N/A | Discretionary |
| Jun 1, 2020 | EIDX | $0 | Gift | 1,020 | $N/A | Discretionary |
| May 31, 2020 | EIDX | $18.5K | Award | 444 | $41.57 | Discretionary |
| May 28, 2020 | EIDX | $250.0K | Sale | 5,000 | $50.00 | Discretionary |
| Apr 24, 2020 | EIDX | $107.7K | Sale | 2,153 | $50.00 | Discretionary |
| Apr 23, 2020 | EIDX | $142.3K | Sale | 2,847 | $50.00 | Discretionary |
| Mar 2, 2020 | EIDX | $515.7K | Sale | 10,000 | $51.57 | Discretionary |
| Feb 13, 2020 | EIDX | $540.0K | Sale | 10,000 | $54.00 | Discretionary |
| Feb 4, 2020 | EIDX | $0 | Gift | 1,632 | $N/A | Discretionary |
| Jan 15, 2020 | EIDX | $196.9K | Sale | 3,580 | $55.00 | Discretionary |
| Jan 14, 2020 | EIDX | $353.2K | Sale | 6,420 | $55.01 | Discretionary |
| Dec 30, 2019 | EIDX | $0 | Gift | 100 | $N/A | Discretionary |
| Dec 26, 2019 | EIDX | $0 | Gift | 170 | $N/A | Discretionary |
| Dec 4, 2019 | EIDX | $589.0K | Sale | 10,000 | $58.90 | Discretionary |
| Nov 26, 2019 | EIDX | $0 | Gift | 1,000 | $N/A | Discretionary |
| Nov 25, 2019 | EIDX | $565.2K | Sale | 10,000 | $56.52 | Discretionary |