Blum Robert I insider trades
Blum Robert I has filed 125 Form 4s with the SEC that we hold, for Cytokinetics INC (CYTK) (President & CEO, Director) and GMDA (Director). Across all of them we count 1 purchase worth $77.5K and 115 sales worth $55.8M reported on Form 4. In the last 12 months: 0 purchases ($0) and 20 sales ($17.5M). The largest single trade was a sale of 97,926 shares of Cytokinetics INC worth $6.8M, dated 2026-09-15. Of 5 sales filed since we began reading the 10b5-1 checkbox, 5 (100%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-07-06 and the latest 2026-10-13.
Cytokinetics INC (CYTK)
| Trade date | Code | Shares | Value as filed | Filed | Source |
|---|---|---|---|---|---|
| 2021-07-06 | S, sale reported on Form 4 | 5,000 | $100.7K | 2021-07-06 | SEC |
| 2021-07-22 | S, sale reported on Form 4 | 5,000 | $149.1K | 2021-07-23 | SEC |
| 2021-08-05 | S, sale reported on Form 4 | 5,000 | $145.6K | 2021-08-06 | SEC |
| 2021-08-18 | S, sale reported on Form 4 | 5,000 | $155.7K | 2021-08-20 | SEC |
| 2021-09-02 | S, sale reported on Form 4 | 5,000 | $165.6K | 2021-09-03 | SEC |
| 2021-09-15 | S, sale reported on Form 4 | 4,065 | $132.8K | 2021-09-17 | SEC |
| 2021-09-15 | S, sale reported on Form 4 | 935 | $30.5K | 2021-09-17 | SEC |
| 2021-09-30 | S, sale reported on Form 4 | 5,000 | $170.1K | 2021-10-01 | SEC |
| 2021-10-14 | S, sale reported on Form 4 | 5,000 | $188.7K | 2021-10-15 | SEC |
| 2021-10-29 | S, sale reported on Form 4 | 5,000 | $179.0K | 2021-11-02 | SEC |
| 2021-11-12 | S, sale reported on Form 4 | 4,143 | $164.2K | 2021-11-12 | SEC |
| 2022-02-07 | S, sale reported on Form 4 | 10,000 | $338.6K | 2022-02-09 | SEC |
| 2022-02-16 | S, sale reported on Form 4 | 10,000 | $365.0K | 2022-02-18 | SEC |
| 2022-03-02 | S, sale reported on Form 4 | 10,000 | $363.1K | 2022-03-04 | SEC |
| 2022-03-21 | S, sale reported on Form 4 | 10,000 | $360.3K | 2022-03-23 | SEC |
| 2022-04-04 | S, sale reported on Form 4 | 10,000 | $387.8K | 2022-04-06 | SEC |
| 2022-04-20 | S, sale reported on Form 4 | 10,000 | $378.9K | 2022-04-22 | SEC |
| 2022-05-04 | S, sale reported on Form 4 | 10,000 | $394.3K | 2022-05-06 | SEC |
| 2022-05-16 | S, sale reported on Form 4 | 10,000 | $431.1K | 2022-05-18 | SEC |
| 2022-06-06 | S, sale reported on Form 4 | 10,000 | $412.3K | 2022-06-08 | SEC |
| 2022-06-15 | S, sale reported on Form 4 | 10,000 | $394.0K | 2022-06-17 | SEC |
| 2022-07-06 | S, sale reported on Form 4 | 10,000 | $443.8K | 2022-07-08 | SEC |
| 2022-07-18 | S, sale reported on Form 4 | 10,000 | $404.9K | 2022-07-20 | SEC |
| 2022-08-01 | S, sale reported on Form 4 | 10,000 | $412.6K | 2022-08-03 | SEC |
| 2022-08-17 | S, sale reported on Form 4 | 10,000 | $501.1K | 2022-08-19 | SEC |
| 2022-09-07 | S, sale reported on Form 4 | 10,000 | $491.1K | 2022-09-09 | SEC |
| 2022-09-19 | S, sale reported on Form 4 | 10,000 | $514.2K | 2022-09-21 | SEC |
| 2022-10-03 | S, sale reported on Form 4 | 10,000 | $504.0K | 2022-10-05 | SEC |
| 2022-10-19 | S, sale reported on Form 4 | 10,000 | $478.6K | 2022-10-21 | SEC |
| 2022-11-02 | S, sale reported on Form 4 | 9,208 | $388.3K | 2022-11-04 | SEC |
| 2022-11-02 | S, sale reported on Form 4 | 792 | $33.4K | 2022-11-04 | SEC |
| 2022-11-21 | S, sale reported on Form 4 | 10,000 | $408.9K | 2022-11-23 | SEC |
| 2022-12-05 | S, sale reported on Form 4 | 10,000 | $393.0K | 2022-12-05 | SEC |
| 2022-12-21 | S, sale reported on Form 4 | 10,000 | $439.2K | 2023-08-11 | SEC |
| 2023-01-04 | S, sale reported on Form 4 | 10,000 | $442.4K | 2023-01-06 | SEC |
| 2023-01-17 | S, sale reported on Form 4 | 10,000 | $424.3K | 2023-01-19 | SEC |
| 2023-03-06 | S, sale reported on Form 4 | 12,500 | $499.2K | 2023-03-07 | SEC |
| 2023-03-15 | S, sale reported on Form 4 | 12,500 | $465.8K | 2023-03-17 | SEC |
| 2023-03-28 | S, sale reported on Form 4 | 12,500 | $438.1K | 2023-03-28 | SEC |
| 2023-04-14 | S, sale reported on Form 4 | 12,500 | $445.1K | 2023-04-14 | SEC |
| 2023-04-28 | S, sale reported on Form 4 | 12,500 | $471.0K | 2023-04-28 | SEC |
| 2023-05-16 | S, sale reported on Form 4 | 12,500 | $467.6K | 2023-05-16 | SEC |
| 2023-05-31 | S, sale reported on Form 4 | 12,500 | $470.9K | 2023-06-01 | SEC |
| 2023-06-12 | S, sale reported on Form 4 | 12,500 | $463.2K | 2023-06-12 | SEC |
| 2023-07-03 | S, sale reported on Form 4 | 12,500 | $407.5K | 2023-07-05 | SEC |
| 2023-07-13 | S, sale reported on Form 4 | 12,500 | $441.0K | 2023-07-13 | SEC |
| 2023-08-01 | S, sale reported on Form 4 | 1,809 | $59.0K | 2023-08-01 | SEC |
| 2023-08-01 | S, sale reported on Form 4 | 10,691 | $348.8K | 2023-08-01 | SEC |
| 2023-08-11 | S, sale reported on Form 4 | 792 | $25.6K | 2023-08-11 | SEC |
| 2023-08-11 | S, sale reported on Form 4 | 11,708 | $379.0K | 2023-08-11 | SEC |
| 2023-08-25 | S, sale reported on Form 4 | 12,500 | $424.9K | 2023-08-28 | SEC |
| 2023-09-13 | S, sale reported on Form 4 | 12,500 | $436.2K | 2023-09-13 | SEC |
| 2023-10-06 | S, sale reported on Form 4 | 12,500 | $375.0K | 2023-10-06 | SEC |
| 2023-10-16 | S, sale reported on Form 4 | 12,500 | $421.3K | 2023-10-16 | SEC |
| 2023-10-30 | S, sale reported on Form 4 | 12,500 | $402.1K | 2023-10-30 | SEC |
| 2023-11-15 | S, sale reported on Form 4 | 12,500 | $432.1K | 2023-11-15 | SEC |
| 2023-11-30 | S, sale reported on Form 4 | 12,500 | $412.4K | 2023-12-01 | SEC |
| 2023-12-18 | S, sale reported on Form 4 | 12,500 | $461.9K | 2023-12-19 | SEC |
| 2024-01-02 | S, sale reported on Form 4 | 12,500 | $1.1M | 2024-01-02 | SEC |
| 2024-01-19 | S, sale reported on Form 4 | 12,500 | $1.0M | 2024-01-22 | SEC |
| 2024-01-31 | S, sale reported on Form 4 | 12,500 | $994.6K | 2024-02-02 | SEC |
| 2024-02-13 | S, sale reported on Form 4 | 12,500 | $960.6K | 2024-02-13 | SEC |
| 2024-06-04 | S, sale reported on Form 4 | 22,500 | $1.1M | 2024-06-07 | SEC |
| 2024-06-17 | S, sale reported on Form 4 | 11,551 | $607.6K | 2024-06-17 | SEC |
| 2024-06-17 | S, sale reported on Form 4 | 10,949 | $575.8K | 2024-06-17 | SEC |
| 2024-07-01 | S, sale reported on Form 4 | 11,500 | $621.6K | 2024-07-01 | SEC |
| 2024-07-10 | S, sale reported on Form 4 | 11,500 | $624.3K | 2024-07-10 | SEC |
| 2024-07-30 | S, sale reported on Form 4 | 11,500 | $684.1K | 2024-07-31 | SEC |
| 2024-08-12 | S, sale reported on Form 4 | 11,500 | $634.5K | 2024-08-12 | SEC |
| 2024-09-03 | S, sale reported on Form 4 | 5,000 | $285.1K | 2024-09-03 | SEC |
| 2024-09-16 | S, sale reported on Form 4 | 5,000 | $279.9K | 2024-09-17 | SEC |
| 2024-09-30 | S, sale reported on Form 4 | 5,000 | $260.7K | 2024-09-30 | SEC |
| 2024-10-09 | S, sale reported on Form 4 | 5,000 | $278.1K | 2024-10-10 | SEC |
| 2024-11-01 | S, sale reported on Form 4 | 5,000 | $258.1K | 2024-11-04 | SEC |
| 2024-11-18 | S, sale reported on Form 4 | 5,000 | $252.8K | 2024-11-19 | SEC |
| 2024-12-02 | S, sale reported on Form 4 | 5,000 | $253.8K | 2024-12-02 | SEC |
| 2025-03-03 | S, sale reported on Form 4 | 8,743 | $374.9K | 2025-03-05 | SEC |
| 2025-03-05 | S, sale reported on Form 4 | 25,000 | $1.1M | 2025-03-05 | SEC |
| 2025-03-06 | S, sale reported on Form 4 | 16,970 | $737.2K | 2025-03-07 | SEC |
| 2025-03-17 | S, sale reported on Form 4 | 12,648 | $561.3K | 2025-03-17 | SEC |
| 2025-03-17 | S, sale reported on Form 4 | 25,000 | $1.1M | 2025-03-17 | SEC |
| 2025-03-31 | S, sale reported on Form 4 | 15,000 | $611.2K | 2025-03-31 | SEC |
| 2025-04-10 | S, sale reported on Form 4 | 5,000 | $183.9K | 2025-04-10 | SEC |
| 2025-04-29 | S, sale reported on Form 4 | 5,000 | $204.8K | 2025-04-29 | SEC |
| 2025-05-16 | S, sale reported on Form 4 | 5,000 | $154.7K | 2025-05-16 | SEC |
| 2025-06-02 | S, sale reported on Form 4 | 5,000 | $156.1K | 2025-06-02 | SEC |
| 2025-06-16 | S, sale reported on Form 4 | 5,000 | $169.0K | 2025-06-16 | SEC |
| 2025-07-01 | S, sale reported on Form 4 | 5,000 | $167.8K | 2025-07-02 | SEC |
| 2025-07-14 | S, sale reported on Form 4 | 5,000 | $190.8K | 2025-07-15 | SEC |
| 2025-07-29 | S, sale reported on Form 4 | 5,000 | $182.2K | 2025-07-31 | SEC |
| 2025-08-15 | S, sale reported on Form 4 | 5,000 | $192.1K | 2025-08-15 | SEC |
| 2025-09-02 | S, sale reported on Form 4 | 5,000 | $243.8K | 2025-09-02 | SEC |
| 2025-09-15 | S, sale reported on Form 4 | 5,000 | $248.9K | 2025-09-15 | SEC |
| 2025-10-01 | S, sale reported on Form 4 | 5,000 | $275.2K | 2025-10-01 | SEC |
| 2025-10-16 | S, sale reported on Form 4 | 5,000 | $300.1K | 2025-10-16 | SEC |
| 2025-10-30 | S, sale reported on Form 4 | 5,000 | $314.3K | 2025-10-30 | SEC |
| 2026-03-09 | S, sale reported on Form 4 | 7,931 | $481.6K | 2026-03-10 | SEC |
| 2026-03-17 | S, sale reported on Form 4 | 12,673 | $787.6K | 2026-03-18 | SEC |
| 2026-03-17 | S, sale reported on Form 4 | 23,928 | $1.5M | 2026-03-18 | SEC |
| 2026-04-01 | S, sale reported on Form 4 | 7,500 | $499.7K | 2026-04-01 | SEC |
GMDA
| Trade date | Code | Shares | Value as filed | Filed | Source |
|---|---|---|---|---|---|
| 2022-09-30 | P, purchase reported on Form 4 | 50,000 | $77.5K | 2022-10-04 | SEC |
Counted from the Form 4 filings this reporting owner (SEC CIK 1288859) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

