CYTOKINETICS INC
Net SellingCYTK·US·🇺🇸 US
6%buys·94%sales
3,075 transactions$38.2MTotal buys·72 buys
$328.5MTotal sells·1,169 sells
5656 insiders
Last: Apr 1, 2026
| Date | Insider | Type | Value | |
|---|---|---|---|---|
| Apr 15, 26 | Daly James M | Grant | $12K | |
| Apr 15, 26 | HENDERSON JOHN T | Grant | $21K | |
| Apr 15, 26 | WIERENGA WENDELL | Grant | $6K | |
| Apr 15, 26 | Kaye Edward M. MD | Grant | $12K | |
| Apr 15, 26 | Blum Robert I | Sell | $490K | |
| Apr 15, 26 | Harrington Robert Arthur | Grant | $12K | |
| Apr 15, 26 | Callos Andrew | Sell | $492K | |
| Apr 15, 26 | 1294596 | Grant | $6K | |
| Apr 7, 26 | Malik Fady Ibraham | Exercise | - | |
| Apr 7, 26 | Malik Fady Ibraham | Exercise | - |
Blum Robert I (CEO) recently executed a sell of $490K in CYTOKINETICS INC shares on April 15, 2026. Overall insider sentiment is bearish (94% sales).
CYTOKINETICS INC (CYTK) has recorded 3 075 insider operations, including 72 open-market purchases ($38.2M), 1 169 sales ($328.5M) and 1 834 other operations (stock option exercises, grants, tax dispositions, donations). The insider sentiment is bearish (94% sales).
Insider activity at CYTOKINETICS INC is sustained, with operations recorded in 11 of the last 12 months — a sign of regular regulatory filings.
Among the most active insiders are Blum Robert I (CEO), Sabry James H (CEO) & BARBARI SHARON SURREY (CFO), with respectively 703, 338, 68 transactions.
Across all 3 089 recorded transactions, the breakdown by type is: sales (1173, 38%), exercise (955, 31%), grant (729, 24%), tax (109, 4%), buys (72, 2%).
Data sourced from regulatory filings (SEC Form 4, AMF, BaFin, FI, and other European authorities).
CYTOKINETICS INC has recorded 3 075 insider operations in total, including 72 open-market purchases ($38.2M), 1 169 sales ($328.5M) and 1 834 other operations (stock option exercises, grants, tax dispositions, donations). The most recent transaction was recorded on April 1, 2026.
Insiders at CYTOKINETICS INC are currently net sellers, with 6% purchases and 94% sales across all reported transactions. Total buy volume is $38.2M versus $328.5M in sales, indicating a bearish insider sentiment.
InsiderLens tracks 56 insiders at CYTOKINETICS INC (CYTK). Blum Robert I (CEO, 703 tx), Sabry James H (CEO, 338 tx), BARBARI SHARON SURREY (CFO, 68 tx). Data is sourced from mandatory regulatory filings for persons with access to privileged information.
The insider signal for CYTK is bearish, based on a 6% buy ratio across 1 241 buy and sell transactions reported to financial regulators. Transactions from C-suite executives (CEO, CFO) and board members are generally considered the most informative signals.
Insider trading data for CYTOKINETICS INC comes from official regulatory filings: SEC Form 4 (United States), AMF (France), BaFin (Germany), FI (Sweden), and other European financial authorities. These filings are mandatory for directors, officers, and holders of more than 10% of a company's shares. InsiderLens aggregates and normalizes this data for analysis.