John Frederick Ek serves as Executive at GenMark Diagnostics, Inc., where they oversee executive responsibilities. Since joining the company, John Frederick Ek has executed 45 insider transactions totaling $1.8M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jul 8, 2025 involved transacting 193,750 shares valued at $0.
John Frederick Ek currently holds 193,750 shares of GenMark Diagnostics, Inc. (GNMK), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John Frederick Ek has been a net seller of GNMK stock. They have purchased $100.0K and sold $1.7M worth of shares.
John Frederick Ek's most recent insider trade was on Jul 8, 2025, when they sold 193,750 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Jul 8, 2025 | AKYA | $0 | Other | 54,452 | $N/A | Discretionary |
| Apr 1, 2024 | AKYA | $65.1K | Payment | 14,272 | $4.56 | Discretionary |
| Feb 22, 2024 | AKYA | $0 | Award | 35,000 | $N/A | Discretionary |
| Jun 12, 2023 | AKYA | $100.0K | Purchase | 20,000 | $5.00 | Discretionary |
| Mar 20, 2023 | AKYA | $0 | Award | 160,000 | $N/A | Discretionary |
| Apr 22, 2021 | GNMK | $5.6M | Tender | 232,993 | $24.05 | Discretionary |
| Feb 25, 2021 | GNMK | $0 | Payment | 19,248 | $N/A | Discretionary |
| Feb 23, 2021 | GNMK | $0 | Payment | 908 | $N/A | Discretionary |
| Feb 21, 2021 | GNMK | $0 | Payment | 487 | $N/A | Discretionary |
| Feb 18, 2021 | GNMK | $0 | Payment | 1,622 | $N/A | Discretionary |
| Feb 18, 2021 | GNMK | $0 | Award | 45,000 | $N/A | Discretionary |
| Jan 25, 2021 | GNMK | $263.1K | Sale | 18,475 | $14.24 | Discretionary |
| Jan 21, 2021 | GNMK | $0 | Option Exercise | 27,115 | $N/A | Discretionary |
| Jan 21, 2021 | GNMK | $0 | Option Exercise | 23,334 | $N/A | Discretionary |
| Nov 24, 2020 | GNMK | $18.7K | Sale | 1,418 | $13.17 | Discretionary |
| Nov 19, 2020 | GNMK | $22.7K | Sale | 1,637 | $13.85 | Discretionary |
| Sep 22, 2020 | GNMK | $569.3K | Sale | 41,196 | $13.82 | Discretionary |
| Sep 16, 2020 | GNMK | $74.3K | Sale | 5,723 | $12.98 | Discretionary |
| Aug 25, 2020 | GNMK | $21.4K | Sale | 1,515 | $14.14 | Discretionary |
| Aug 20, 2020 | GNMK | $14.4K | Sale | 900 | $15.97 | Discretionary |
| Aug 20, 2020 | GNMK | $26.1K | Sale | 1,691 | $15.41 | Discretionary |
| Aug 18, 2020 | GNMK | $452.3K | Sale | 28,307 | $15.98 | Discretionary |
| Aug 14, 2020 | GNMK | $81.0K | Sale | 5,070 | $15.97 | Discretionary |
| May 28, 2020 | GNMK | $13.9K | Sale | 1,460 | $9.52 | Discretionary |
| May 19, 2020 | GNMK | $17.2K | Sale | 1,648 | $10.46 | Discretionary |
| Feb 27, 2020 | GNMK | $3.7K | Sale | 1,040 | $3.51 | Discretionary |
| Feb 25, 2020 | GNMK | $0 | Award | 52,500 | $N/A | Discretionary |
| Feb 25, 2020 | GNMK | $0 | Award | 52,500 | $N/A | Discretionary |