CYTOKINETICS INC (CYTK) is a publicly traded company in the Unknown sector. Across all available filings, 27 corporate insiders have executed 1090 transactions totaling $136.9M, demonstrating a bearish sentiment with -$130.4M in net insider flow. The most recent transaction on Jan 15, 2026 involved a transaction of 197 shares valued at $12.5K.
No significant insider buying has been recorded for CYTK in the recent period.
No significant insider selling has been recorded for CYTK in the recent period.
Based on recent SEC filings, insider sentiment for CYTK is bearish with an Insider Alignment Score of 2/100 and a net flow of -$130.4M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at CYTOKINETICS INC (CYTK) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 27 insiders are actively trading CYTK stock, having executed 1090 transactions in the past 90 days. The most active insider is Robert I. Blum (Executive), who has made 299 transactions totaling $55.6M.
Get notified when executives and directors at CYTK file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 15, 2026 | M. Daly James | Executive | Award | 197 | $63.44 | $12.5K | |
| Dec 29, 2025 | Callos Andrew | Executive | Sale | 1,809 | $62.44 | $113.0K | |
| Dec 22, 2025 | Wierenga Wendell | Executive | Option Exercise | 20,000 | $7.61 | $152.2K | |
| Dec 22, 2025 | Wierenga Wendell | Executive | Sale | 20,000 | $66.14 | $1.3M | Large |
| Dec 22, 2025 | I. Blum Robert | Executive | Option Exercise | 16,506 | $6.67 | $110.1K | |
| Dec 22, 2025 | I. Blum Robert | Executive | Option Exercise | 54,727 | $6.67 | $365.0K | |
| Dec 22, 2025 | I. Blum Robert | Executive | Payment | 30,426 | $68.18 | $2.1M | Large |
| Dec 22, 2025 | Lee Sung | Executive | Payment | 805 | $62.72 | $50.5K | |
| Dec 22, 2025 | Lee Sung | Executive | Award | 2,152 | $N/A | $0 | |
| Dec 22, 2025 | Lee Sung | Executive | Award | 2,152 | $N/A | $0 | |
| Dec 22, 2025 | Callos Andrew | Executive | Award | 1,589 | $N/A | $0 | |
| Dec 22, 2025 | Callos Andrew | Executive | Payment | 675 | $62.72 | $42.3K | |
| Dec 22, 2025 | Callos Andrew | Executive | Award | 1,588 | $N/A | $0 | |
| Dec 22, 2025 | Ibraham Malik Fady | Executive | Award | 2,000 | $N/A | $0 | |
| Dec 22, 2025 | Ibraham Malik Fady | Executive | Award | 2,000 | $N/A | $0 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 481 | $133.7M | 74.2% |
Exercise(M) | 303 | $22.5M | 12.5% |
Payment(F) | 86 | $19.6M | 10.9% |
Purchase(P) | 7 | $3.3M | 1.8% |
Award(A) | 207 | $1.0M | 0.6% |
Gift(G) | 6 | $0 | 0.0% |
Insider selling pressure at CYTOKINETICS INC has increased, with 27 insiders executing 1090 transactions across all time. Total sales of $133.7M significantly outpace purchases of $3.3M, resulting in a net outflow of $130.4M. This selling activity appears largely discretionary, which may warrant closer attention from investors.