Insider Shareholders with Direct Ownership of Cytokinetics Inc (CYTK)
This section provides a comprehensive overview of the insiders with direct ownership of Cytokinetics Inc (CYTK). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
CYTOKINETICS INC Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
| 342,072 | 1,502,984 | 463,244 $30.8 Million | 4 |
Dec 09, 2020
Reduced 5.21%
|
|
|
Robert I Blum
President & CEO |
1,298,861 | 1,257,209 | 350,202 $23.3 Million | 215 |
Dec 03, 2025
Reduced 1.67%
|
|
David Cragg
Chief HR & Admin Officer |
151,673 | 141,232 | 153,233 $10.2 Million | 21 |
Mar 07, 2022
Reduced 3.4%
|
|
Fady Ibraham Malik
EVP Research & Development |
619,397 | 637,765 | 138,552 $9.21 Million | 157 |
Dec 03, 2025
Reduced 1.46%
|
|
Mark A Schlossberg
SVP - Legal & General Counsel |
130,821 | 57,413 | 103,408 $6.87 Million | 10 |
Mar 15, 2022
Reduced 19.59%
|
|
Ching Jaw
SVP Finance & CFO |
162,522 | 148,954 | 87,346 $5.8 Million | 24 |
Mar 06, 2023
Added 25.57%
|
|
Jeffrey Hessekiel
Chief Legal & Admin Officer |
87,297 | 0 | 87,297 $5.8 Million | 1 |
Nov 14, 2025
Added 50.0%
|
|
John T Henderson
Director |
145,629 | 78,359 | 74,578 $4.95 Million | 49 |
Dec 02, 2025
Reduced 10.5%
|
|
Sung Lee
EVP, Chief Financial Officer |
75,978 | 8,061 | 67,917 $4.51 Million | 6 |
Dec 03, 2025
Reduced 2.25%
|
|
Andrew Callos
EVP, Chief Commercial Officer |
184,511 | 136,229 | 50,660 $3.37 Million | 23 |
Dec 05, 2025
Reduced 50.89%
|
|
Brett A Pletcher
EVP, Chief Legal Officer |
33,140 | 0 | 33,140 $2.2 Million | 1 |
Aug 30, 2024
Added 50.0%
|
|
Wendell Wierenga
Director |
4,474 | 4,375 | 32,444 $2.16 Million | 3 |
Oct 27, 2025
Reduced 11.88%
|
|
Wendall Wierenga
Director |
89,633 | 57,288 | 32,345 $2.15 Million | 42 |
Jul 15, 2025
Added 0.5%
|
|
Nancy Wysenski
Director |
30,873 | 0 | 30,873 $2.05 Million | 25 |
Oct 15, 2025
Added 0.32%
|
|
L Patrick Gage
Director |
62,651 | 54,523 | 28,932 $1.92 Million | 13 |
Nov 08, 2021
Reduced 12.59%
|
|
Muna Bhanji
Director |
28,964 | 5,454 | 23,510 $1.56 Million | 12 |
May 15, 2025
Reduced 5.82%
|
|
B Lynne Parshall
Director |
189,868 | 166,935 | 22,933 $1.52 Million | 30 |
Nov 19, 2025
Reduced 17.9%
|
|
Santo J Costa
Director |
60,600 | 40,000 | 20,600 $1.37 Million | 10 |
May 15, 2024
Added 21.37%
|
|
Sandford D Smith
Director |
163,428 | 144,627 | 18,801 $1.25 Million | 37 |
Jan 02, 2024
Added 0.78%
|
|
Robert Wong
VP, Chief Accounting Officer |
31,096 | 31,138 | 18,655 $1.24 Million | 19 |
Dec 03, 2024
Added 3.94%
|
|
Robert Arthur Harrington
Director |
26,025 | 7,483 | 18,542 $1.23 Million | 21 |
Dec 01, 2025
Reduced 10.39%
|
|
Edward M. Md Kaye
Director |
113,488 | 103,511 | 9,977 $662,871 | 39 |
Dec 01, 2025
Reduced 73.77%
|
|
Robert E Landry
Director |
7,333 | 0 | 7,333 $487,204 | 1 |
May 14, 2025
Added 50.0%
|
|
Robert Califf
Director |
6,003 | 0 | 6,003 $398,839 | 7 |
Jan 03, 2022
Added 1.99%
|