CYTKHealthcareMid-Cap
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.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are CYTK insiders buying or selling?
CYTOKINETICS INC insiders reported 2 open-market buys ($3.3M) and 409 sells ($174.7M) across 411 Form 4 filings — a net selling position of $171.4M.
Source: SEC EDGAR Form 4
Key Statistics (as of Sep 1, 2026)
Total Form 4 filings
411
SEC EDGAR
Insider filers
20
Insider buys (2)
$3.3M
Insider sells (409)
$174.7M
Insider sentiment
Net sellingNet insider flow of $171.4M in net selling.
Recent CYTK insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 1, 2026 | Lynne B Parshall | Director | Sale | 5.0K | $71.48 | $357.4K |
| Aug 31, 2026 | Andrew Callos | EVP, Chief Commercial Officer | Sale | 10.0K | $70.24 | $702.4K |
| Aug 31, 2026 | Robert I Blum | President & CEO | Sale | 7.5K | $70.24 | $526.8K |
| Aug 18, 2026 | Fady Ibraham Malik | EVP Research & Development | Sale | 3.5K | $75.82 | $265.4K |
| Aug 10, 2026 | Robert I Blum | President & CEO | Sale | 7.5K | $76.76 | $575.7K |
| Jul 30, 2026 | Andrew Callos | EVP, Chief Commercial Officer | Sale | 14.0K | $79.88 | $1.1M |
| Jul 27, 2026 | Robert I Blum | President & CEO | Sale | 7.5K | $80.87 | $606.5K |
| Jul 23, 2026 | Fady Ibraham Malik | EVP Research & Development | Sale | 3.5K | $80.59 | $282.1K |
| 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 |
Showing the 25 most recent of 411 Form 4 filings for CYTOKINETICS INC.
Most active CYTK insiders
- Robert I Blum145 filings
- Fady Ibraham Malik115 filings
- Andrew Callos29 filings
- Lynne B Parshall17 filings
- Sandford D Smith17 filings
Ask anything about CYTK insider activity
Use Trabud's AI agent to query CYTOKINETICS INC's Form 4 history in plain English — "Show me CYTK CEO purchases this year" or compare it against any other ticker.
Open the AI agentCYTK insider trading FAQ
Are CYTOKINETICS INC insiders buying or selling?
Across 411 SEC Form 4 filings, CYTOKINETICS INC (CYTK) insiders reported 2 open-market purchases totaling $3.3M and 409 sales totaling $174.7M. That is a net selling position of $171.4M.
How many insiders trade CYTK stock?
20 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 Sep 1, 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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