Cytokinetics, Incorporated (CYTK) Insider Trading
Over the last 3 months, CYTK insiders made 0 open-market buys and 24 sales, a net sale of -$16.4M (SEC Form 4). Over the last 6 months, 340 institutions increased and 265 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
24
Net (3m)
-$16.4M
Insider trades by month Buys Sells
Jan
Feb
Mar
Apr
May
Jun
Context3-month price +29.3%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 29, 2026 | Lee Sungofficer: EVP, Chief Financial Officer | Option | 1,113 | $48.51 |
| Jun 29, 2026 | Lee Sungofficer: EVP, Chief Financial Officer | Sell | 38,730 | $82.30 |
| Jun 29, 2026 | Lee Sungofficer: EVP, Chief Financial Officer | Sell | 3,134 | $85.00 |
| Jun 29, 2026 | Lee Sungofficer: EVP, Chief Financial Officer | Option | 822 | $44.36 |
| Jun 29, 2026 | Lee Sungofficer: EVP, Chief Financial Officer | Option | 9,307 | $44.36 |
| Jun 29, 2026 | Lee Sungofficer: EVP, Chief Financial Officer | Option | 23,370 | $48.51 |
| Jun 29, 2026 | Lee Sungofficer: EVP, Chief Financial Officer | Option | 188 | $44.36 |
| Jun 29, 2026 | Lee Sungofficer: EVP, Chief Financial Officer | Option | 823 | $44.36 |
| Jun 29, 2026 | Lee Sungofficer: EVP, Chief Financial Officer | Option | 2,817 | $44.36 |
| Jun 23, 2026 | Malik Fady Ibrahamofficer: EVP Research & Development | Option | 3,500 | $7.80 |
| Jun 23, 2026 | Malik Fady Ibrahamofficer: EVP Research & Development | Sell | 3,500 | $79.51 |
| Jun 15, 2026 | Blum Robert Idirector, officer: President & CEO | Sell | 7,500 | $70.46 |
| Jun 9, 2026 | Malik Fady Ibrahamofficer: EVP Research & Development | Option | 3,500 | $7.80 |
| Jun 9, 2026 | Malik Fady Ibrahamofficer: EVP Research & Development | Sell | 3,500 | $67.98 |
| Jun 1, 2026 | Callos Andrewofficer: EVP, Chief Commercial Officer | Sell | 15,000 | $74.08 |
| Jun 1, 2026 | PARSHALL B LYNNEdirector | Sell | 5,000 | $74.08 |
| Jun 1, 2026 | Callos Andrewofficer: EVP, Chief Commercial Officer | Option | 15,000 | $23.26 |
| Jun 1, 2026 | Kaye Edward M. MDdirector | Sell | 2,933 | $76.09 |
| May 28, 2026 | Blum Robert Idirector, officer: President & CEO | Sell | 7,500 | $77.21 |
| May 27, 2026 | WIERENGA WENDELLdirector | Grant | 2,851 | — |
| May 27, 2026 | Wysenski Nancydirector | Grant | 2,851 | — |
| May 27, 2026 | Bhanji Munadirector | Grant | 4,301 | $77.15 |
| May 27, 2026 | WIERENGA WENDELLdirector | Grant | 4,301 | $77.15 |
| May 27, 2026 | PARSHALL B LYNNEdirector | Grant | 2,851 | — |
| May 27, 2026 | HENDERSON JOHN Tdirector | Grant | 2,851 | — |
| May 27, 2026 | Harrington Robert Arthurdirector | Grant | 2,851 | — |
| May 27, 2026 | Kaye Edward M. MDdirector | Grant | 2,851 | — |
| May 27, 2026 | PARSHALL B LYNNEdirector | Grant | 4,301 | $77.15 |
| May 27, 2026 | Landry Robert Edirector | Grant | 2,851 | — |
| May 27, 2026 | Bhanji Munadirector | Grant | 2,851 | — |
Source: CYTK SEC Form 4 filings, latest Jun 29, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their CYTK positions over the last 6 months (SEC Form 13F).
Increased
340
New positions
185
Reduced
265
Sold out
109
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Reduced | 17.7M | Feb 19, 2026 |
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Reduced | 17.5M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 16.5M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 16.4M | Feb 12, 2026 |
| FMR LLC | Reduced | 12.8M | Feb 17, 2026 |
| VANGUARD GROUP INC | Increased | 12.0M | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 11.0M | May 15, 2026 |
| FMR LLC | Reduced | 10.7M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 8.0M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 7.9M | Feb 17, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 5.8M | May 8, 2026 |
| STATE STREET CORP | Increased | 5.8M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 5.7M | May 15, 2026 |
| DEEP TRACK CAPITAL, LP | Reduced | 3.3M | Feb 13, 2026 |
| AVORO CAPITAL ADVISORS LLC | New Position | 3.3M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.