Blum Robert I: insider trades.
Blum Robert I reported 18 non-derivative transactions on 7 SEC ownership filings in Q3 2026: 0 open-market purchases and 9 sales ($10.8M), across 1 company.
- Transactions
- 18
- Purchases (P)
- 0
- Sales (S)
- 9
- Companies
- 1
- Name as filed
- Blum Robert I
Companies
| Company | Relationship | Transactions |
|---|---|---|
| Cytokinetics Inc (CYTK) | Director, Officer · President & CEO | 18 |
Transactions
| Date | Company | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-28 | Cytokinetics Inc | M | 7,500 | $10.6 | 286,044 | Form 4 |
| 2026-09-28 | Cytokinetics Inc | S | 7,500 | $65.46 | 278,544 | Form 4 |
| 2026-09-15 | Cytokinetics Inc | S | 97,926 | $69.33 | 0 | Form 4 |
| 2026-09-14 | Cytokinetics Inc | M | 7,500 | $10.6 | 385,320 | Form 4 |
| 2026-09-14 | Cytokinetics Inc | S | 7,500 | $73.44 | 377,820 | Form 4 |
| 2026-09-14 | Cytokinetics Inc | G | 1,350 | $0 | 376,470 | Form 4 |
| 2026-09-14 | Cytokinetics Inc | G | 97,926 | $0 | 278,544 | Form 4 |
| 2026-09-14 | Cytokinetics Inc | G | 97,926 | $0 | 97,926 | Form 4 |
| 2026-08-31 | Cytokinetics Inc | S | 7,500 | $70.24 | 377,820 | Form 4 |
| 2026-08-31 | Cytokinetics Inc | M | 7,500 | $10.6 | 385,320 | Form 4 |
| 2026-08-10 | Cytokinetics Inc | M | 7,500 | $10.6 | 385,320 | Form 4 |
| 2026-08-10 | Cytokinetics Inc | S | 7,500 | $76.76 | 377,820 | Form 4 |
| 2026-07-27 | Cytokinetics Inc | M | 7,500 | $10.6 | 385,320 | Form 4 |
| 2026-07-27 | Cytokinetics Inc | S | 7,500 | $80.87 | 377,820 | Form 4 |
| 2026-07-13 | Cytokinetics Inc | S | 10 | $82.02 | 377,820 | Form 4 |
| 2026-07-13 | Cytokinetics Inc | S | 7,490 | $82.02 | 377,820 | Form 4 |
| 2026-07-13 | Cytokinetics Inc | M | 7,490 | $10.6 | 385,310 | Form 4 |
| 2026-07-01 | Cytokinetics Inc | S | 7,500 | $84.92 | 377,830 | Form 4 |
Questions
What stock did Blum Robert I buy or sell?
Blum Robert I reported 18 non-derivative transactions on 7 SEC ownership filings in Q3 2026: 0 open-market purchases and 9 sales ($10.8M), across 1 company.
Is Blum Robert I the same person as other filers with this name?
This page covers SEC CIK 1288859 only. The SEC assigns each reporting owner a CIK, and people with the same name have different CIKs.
Source: SEC Insider Transactions Data Sets, Q3 2026. Reported as filed; we do not assess intent, performance or compliance. All filings for this CIK on SEC.gov.
Plain-text version for agents and LLMs: /insiders/blum-robert-i-1288859.md
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