CYTOKINETICS INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for CYTOKINETICS INC (CYTK), sourced directly from SEC EDGAR and updated as new filings are accepted.
Quick Answer
Are CYTK insiders buying or selling?
CYTOKINETICS INC insiders reported 2 open-market buys ($3.3M) and 399 sells ($170.2M) across 401 Form 4 filings — a net selling position of $166.9M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 14, 2026)
Insider sentiment
Net sellingNet insider flow of $166.9M in net selling.
Recent CYTK insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 14, 2026 | Robert I Blum | President & CEO | Sale | 7.5K | $82.02 | $615.1K |
| Jul 7, 2026 | Fady Ibraham Malik | EVP Research & Development | Sale | 3.5K | $86.62 | $303.2K |
| Jul 2, 2026 | Robert I Blum | President & CEO | Sale | 7.5K | $84.92 | $636.9K |
| Jul 2, 2026 | Andrew Callos | EVP, Chief Commercial Officer | Sale | 15.0K | $85.80 | $1.3M |
| Jul 2, 2026 | Sung Lee | EVP, Chief Financial Officer | Sale | 1.1K | $87.79 | $97.6K |
| Jun 29, 2026 | Sung Lee | EVP, Chief Financial Officer | Sale | 38.7K | $82.30 | $3.2M |
| Jun 29, 2026 | Sung Lee | EVP, Chief Financial Officer | Sale | 3.1K | $85.00 | $266.4K |
| Jun 23, 2026 | Fady Ibraham Malik | EVP Research & Development | Sale | 3.5K | $79.51 | $278.3K |
| Jun 15, 2026 | Robert I Blum | President & CEO | Sale | 7.5K | $70.46 | $528.5K |
| Jun 9, 2026 | Fady Ibraham Malik | EVP Research & Development | Sale | 3.5K | $67.98 | $237.9K |
| Jun 1, 2026 | Edward M. Kaye MD | Director | Sale | 2.9K | $76.09 | $223.2K |
| Jun 1, 2026 | Andrew Callos | EVP, Chief Commercial Officer | Sale | 15.0K | $74.08 | $1.1M |
| Jun 1, 2026 | Lynne B Parshall | Director | Sale | 5.0K | $74.08 | $370.4K |
| May 28, 2026 | Robert I Blum | President & CEO | Sale | 7.5K | $77.21 | $579.1K |
| May 20, 2026 | Fady Ibraham Malik | EVP Research & Development | Sale | 3.5K | $75.69 | $264.9K |
| May 14, 2026 | Robert I Blum | President & CEO | Sale | 7.5K | $77.92 | $584.4K |
| May 5, 2026 | Fady Ibraham Malik | EVP Research & Development | Sale | 3.5K | $77.37 | $270.8K |
| May 5, 2026 | Wendell Wierenga | Director | Sale | 4.0K | $75.00 | $302.4K |
| May 5, 2026 | Sung Lee | EVP, Chief Financial Officer | Sale | 23.9K | $76.87 | $1.8M |
| May 5, 2026 | John T Henderson | Director | Sale | 20.0K | $75.97 | $1.5M |
| May 5, 2026 | Andrew Callos | EVP, Chief Commercial Officer | Sale | 11.3K | $77.25 | $875.5K |
| May 4, 2026 | Andrew Callos | EVP, Chief Commercial Officer | Sale | 15.9K | $65.00 | $1.0M |
| Apr 30, 2026 | Andrew Callos | EVP, Chief Commercial Officer | Sale | 15.0K | $63.26 | $948.9K |
| Apr 29, 2026 | Robert I Blum | President & CEO | Sale | 7.5K | $59.62 | $447.1K |
| Apr 21, 2026 | Fady Ibraham Malik | EVP Research & Development | Sale | 3.5K | $65.69 | $229.9K |
Showing the 25 most recent of 401 Form 4 filings for CYTOKINETICS INC.
Most active CYTK insiders
- Robert I Blum141 filings
- Fady Ibraham Malik113 filings
- Andrew Callos27 filings
- Sandford D Smith17 filings
- Lynne B Parshall16 filings
Ask anything about CYTK insider activity
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Are CYTOKINETICS INC insiders buying or selling?
Across 401 SEC Form 4 filings, CYTOKINETICS INC (CYTK) insiders reported 2 open-market purchases totaling $3.3M and 399 sales totaling $170.2M. That is a net selling position of $166.9M.
How many insiders trade CYTK stock?
19 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CYTOKINETICS INC. The most recent filing was accepted on Jul 14, 2026.
Where does Trabud get CYTK insider trading data?
All CYTK insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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