Robert I. Blum
Known title: President & CEOCIK: 0001288859
Associated companies
Transaction History
| CYTK | ▲ Buy | Option Exercise | 7,500 | $80K | 8/10/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,500 | $576K | 8/10/2026 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 7,500 | $80K | 7/27/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,500 | $607K | 7/27/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 10 | $820 | 7/13/2026 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 7,490 | $79K | 7/13/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,490 | $614K | 7/13/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,500 | $637K | 7/1/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,500 | $528K | 6/15/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,500 | $579K | 5/27/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,500 | $584K | 5/14/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,500 | $447K | 4/29/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,500 | $490K | 4/15/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,500 | $500K | 4/1/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,673 | $788K | 3/17/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 23,928 | $1.5M | 3/17/2026 | View on chart |
| CYTK | ▲ Buy | Grant | 75,258 | $0 | 3/15/2026 | View on chart |
| CYTK | ▼ Sell | Open Market | 7,931 | $482K | 3/9/2026 | View on chart |
| CYTK | ▲ Buy | Grant | 5,765 | $0 | 12/22/2025 | View on chart |
| CYTK | ▲ Buy | Grant | 5,765 | $0 | 12/22/2025 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 2,935 | $184K | 12/22/2025 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 54,727 | $365K | 12/22/2025 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 30,426 | $2.1M | 12/22/2025 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 16,506 | $110K | 12/22/2025 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 5,930 | $386K | 12/3/2025 | View on chart |
| CYTK | ▼ Sell | Gift | 2,000 | $0 | 11/5/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $314K | 10/30/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $300K | 10/16/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $275K | 10/1/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $249K | 9/15/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $244K | 9/2/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $192K | 8/15/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $182K | 7/29/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $191K | 7/14/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $168K | 7/1/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $169K | 6/16/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $156K | 6/2/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $155K | 5/16/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $205K | 4/29/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $184K | 4/10/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 15,000 | $611K | 3/31/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,648 | $561K | 3/17/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 25,000 | $1.1M | 3/17/2025 | View on chart |
| CYTK | ▲ Buy | Grant | 116,096 | $0 | 3/14/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 16,970 | $737K | 3/6/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 25,000 | $1.1M | 3/5/2025 | View on chart |
| CYTK | ▼ Sell | Open Market | 8,743 | $375K | 3/3/2025 | View on chart |
| CYTK | ▲ Buy | Grant | 11,529 | $0 | 12/3/2024 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 5,843 | $301K | 12/3/2024 | View on chart |
| CYTK | ▲ Buy | Grant | 11,530 | $0 | 12/3/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 5,000 | $33K | 12/2/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $254K | 12/2/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 5,000 | $33K | 11/18/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $253K | 11/18/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 5,000 | $33K | 11/1/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $258K | 11/1/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 5,000 | $33K | 10/9/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $278K | 10/9/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 5,000 | $33K | 9/30/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $261K | 9/30/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 5,000 | $33K | 9/16/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $280K | 9/16/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 5,000 | $33K | 9/3/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 5,000 | $285K | 9/3/2024 | View on chart |
| CYTK | ▼ Sell | Gift | 1,956 | $0 | 8/19/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 11,500 | $77K | 8/12/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 11,500 | $634K | 8/12/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 11,500 | $77K | 7/30/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 11,500 | $684K | 7/30/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 5,767 | $38K | 7/10/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 11,500 | $624K | 7/10/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 11,500 | $622K | 7/1/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 11,551 | $608K | 6/17/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,949 | $576K | 6/17/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 22,500 | $1.1M | 6/4/2024 | View on chart |
| CYTK | ▲ Buy | Grant | 61,490 | $0 | 3/14/2024 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 16,725 | $1.1M | 3/6/2024 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 25,341 | $1.7M | 3/4/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 2/13/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $961K | 2/13/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $995K | 1/31/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 1/31/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 1/19/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $1.0M | 1/19/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 1/2/2024 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $1.1M | 1/2/2024 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 12/18/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $462K | 12/18/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 11/30/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $412K | 11/30/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 11/15/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $432K | 11/15/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 10/30/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $402K | 10/30/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 10/16/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $421K | 10/16/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 10/6/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $375K | 10/6/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $83K | 9/13/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $436K | 9/13/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 2,500 | $17K | 8/25/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 8/25/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $425K | 8/25/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 11,708 | $113K | 8/11/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 11,708 | $379K | 8/11/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 792 | $6K | 8/11/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 792 | $26K | 8/11/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,691 | $103K | 8/1/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,691 | $349K | 8/1/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 1,809 | $17K | 8/1/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 1,809 | $59K | 8/1/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 7/13/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $441K | 7/13/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 7/3/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $408K | 7/3/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 6/12/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $463K | 6/12/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 5/31/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $471K | 5/31/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 5/16/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $468K | 5/16/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 4/28/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $471K | 4/28/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 4/14/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $445K | 4/14/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 3/28/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $438K | 3/28/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 3/15/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $466K | 3/15/2023 | View on chart |
| CYTK | ▲ Buy | Grant | 82,500 | $0 | 3/6/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 12,500 | $121K | 3/6/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 12,500 | $499K | 3/6/2023 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 11,900 | $466K | 3/6/2023 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 32,724 | $1.3M | 3/2/2023 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 3,230 | $143K | 2/16/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $97K | 1/17/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $424K | 1/17/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $97K | 1/4/2023 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $442K | 1/4/2023 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $97K | 12/21/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $439K | 12/21/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $97K | 12/5/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $393K | 12/5/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $97K | 11/21/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $409K | 11/21/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 9,208 | $73K | 11/2/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 9,208 | $388K | 11/2/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 792 | $8K | 11/2/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 792 | $33K | 11/2/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 10/19/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $479K | 10/19/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $504K | 10/3/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 10/3/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 9/19/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $514K | 9/19/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 9/7/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $491K | 9/7/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 8/17/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $501K | 8/17/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 8/1/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $413K | 8/1/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 7/18/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $405K | 7/18/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 7/6/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $444K | 7/6/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 6/15/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $394K | 6/15/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 6/6/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $412K | 6/6/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 5/16/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $431K | 5/16/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 5/4/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $394K | 5/4/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 4/20/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $379K | 4/20/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 4/4/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $388K | 4/4/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 3/21/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $360K | 3/21/2022 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 23,799 | $877K | 3/7/2022 | View on chart |
| CYTK | ▲ Buy | Option Exercise | 10,000 | $80K | 3/2/2022 | View on chart |
| CYTK | ▼ Sell | Open Market | 10,000 | $363K | 3/2/2022 | View on chart |
| CYTK | ▼ Sell | Tax Withholding | 15,866 | $597K | 3/2/2022 | View on chart |
| CYTK | ▲ Buy | Grant | 85,000 | $0 | 3/2/2022 | View on chart |