Company / CIK 0001061983
CYTOKINETICS INC
- Ticker
- CYTK
- Size, estimated from filings
- Mid cap ($2B – $10B)
- Insiders on file
- 14
- Members of Congress who traded it
- 1
- Federal contracts on record
- none matched
- Lobbying filings on record
- 4
- SEC filings
- EDGAR ↗
- Latest trade on record
- October 20, 2026
CYTOKINETICS INC (CYTK) has 14 insiders on file who disclosed 300 transactions in the last 12 months (0 open-market buys, 95 sales, about $66.0M at reported prices), and 3 congressional trades in its stock are on record. No federal contract award that started in the last 180 days was found for a recipient with exactly this name, and 2 lobbying filings naming it as client report $60K in 2026.
CYTOKINETICS INC in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in CYTOKINETICS INC over the last 12 months; the most active is Blum Robert I with $20M.
Lobbying spend by quarter
How much has CYTOKINETICS INC reported spending on federal lobbying?
CYTOKINETICS INC reported $120K in lobbying over the last eight quarters, from filings matched by exact company name.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Kaye Edward M. MD | Director | 17 | 0 | 4 | October 20, 2026 |
| Malik Fady Ibraham | EVP Research & Development | 70 | 0 | 25 | October 20, 2026 |
| Wysenski Nancy | Director | 7 | 0 | 0 | October 20, 2026 |
| HENDERSON JOHN T | Director | 13 | 0 | 2 | October 20, 2026 |
| Harrington Robert Arthur | Director | 8 | 0 | 1 | October 20, 2026 |
| WIERENGA WENDELL | Director | 16 | 0 | 3 | October 20, 2026 |
| Daly James M | Director | 6 | 0 | 0 | October 20, 2026 |
| Bhanji Muna | Director | 2 | 0 | 0 | October 20, 2026 |
| Blum Robert I | President & CEO | 52 | 0 | 25 | October 13, 2026 |
| Landry Robert E | Director | 4 | 0 | 2 | September 15, 2026 |
| PARSHALL B LYNNE | Director | 6 | 0 | 4 | September 1, 2026 |
| Callos Andrew | EVP, Chief Commercial Officer | 71 | 0 | 27 | August 31, 2026 |
| Lee Sung | EVP, Chief Financial Officer | 38 | 0 | 7 | July 2, 2026 |
| Hessekiel Jeffrey | Chief Legal & Admin Officer | 4 | 0 | 0 | March 17, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded CYTK
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the CYTK page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 3 | 3 | 0 | $3,003–$45K | September 29, 2026 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Malik Fady Ibraham | CYTK | Option / conversion M | October 20, 2026 | October 20, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | October 20, 2026 | October 20, 2026 | 0d | 3,500 | $64 | $224K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | October 20, 2026 | October 20, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| HENDERSON JOHN T | CYTK | Other A | October 16, 2026 | October 20, 2026 | 4d | 352 | $64 | $22K | Form 4 ↗ | ||
| WIERENGA WENDELL | CYTK | Other A | October 16, 2026 | October 20, 2026 | 4d | 97 | $64 | $6,200 | Form 4 ↗ | ||
| Daly James M | CYTK | Other A | October 16, 2026 | October 20, 2026 | 4d | 195 | $64 | $12K | Form 4 ↗ | ||
| Harrington Robert Arthur | CYTK | Other A | October 16, 2026 | October 20, 2026 | 4d | 195 | $64 | $12K | Form 4 ↗ | ||
| Kaye Edward M. MD | CYTK | Other A | October 16, 2026 | October 20, 2026 | 4d | 195 | $64 | $12K | Form 4 ↗ | ||
| Wysenski Nancy | CYTK | Other A | October 16, 2026 | October 20, 2026 | 4d | 97 | $64 | $6,200 | Form 4 ↗ | ||
| Blum Robert I | CYTK | Option / conversion M | October 12, 2026 | October 13, 2026 | 1d | 7,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | October 12, 2026 | October 13, 2026 | 1d | 7,500 | $63 | $472K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | October 12, 2026 | October 13, 2026 | 1d | 7,500 | $11 | $80K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | October 6, 2026 | October 6, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | October 6, 2026 | October 6, 2026 | 0d | 3,500 | $61 | $215K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | October 6, 2026 | October 6, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | September 28, 2026 | September 28, 2026 | 0d | 7,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | September 28, 2026 | September 28, 2026 | 0d | 7,500 | $65 | $491K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | September 28, 2026 | September 28, 2026 | 0d | 7,500 | $11 | $80K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | September 22, 2026 | September 22, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | September 22, 2026 | September 22, 2026 | 0d | 3,500 | $68 | $239K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | September 22, 2026 | September 22, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Landry Robert E | CYTK | Sell S | September 15, 2026 | September 15, 2026 | 0d | 1,000 | $72 | $72K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | September 14, 2026 | September 15, 2026 | 1d | 7,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | September 15, 2026 | September 15, 2026 | 0d | 97,926 | $69 | $6.8M | 10b5-1 planindirect | Form 4 ↗ | |
| Blum Robert I | CYTK | Other G | September 14, 2026 | September 15, 2026 | 1d | 97,926 | — | — | 10b5-1 planindirect | Form 4 ↗ | |
| Blum Robert I | CYTK | Other G | September 14, 2026 | September 15, 2026 | 1d | 97,926 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Other G | September 14, 2026 | September 15, 2026 | 1d | 1,350 | — | — | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | September 14, 2026 | September 15, 2026 | 1d | 7,500 | $73 | $551K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | September 14, 2026 | September 15, 2026 | 1d | 7,500 | $11 | $80K | 10b5-1 plan | Form 4 ↗ | |
| Landry Robert E | CYTK | Sell S | September 11, 2026 | September 11, 2026 | 0d | 1,000 | $75 | $75K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | September 8, 2026 | September 8, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | September 8, 2026 | September 8, 2026 | 0d | 3,500 | $75 | $264K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | September 8, 2026 | September 8, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| PARSHALL B LYNNE | CYTK | Sell S | September 1, 2026 | September 1, 2026 | 0d | 5,000 | $71 | $357K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | August 31, 2026 | August 31, 2026 | 0d | 10,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Callos Andrew | CYTK | Sell S | August 31, 2026 | August 31, 2026 | 0d | 10,000 | $70 | $702K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | August 31, 2026 | August 31, 2026 | 0d | 10,000 | $23 | $233K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | August 31, 2026 | August 31, 2026 | 0d | 7,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | August 31, 2026 | August 31, 2026 | 0d | 7,500 | $70 | $527K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | August 31, 2026 | August 31, 2026 | 0d | 7,500 | $11 | $80K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | August 18, 2026 | August 18, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | August 18, 2026 | August 18, 2026 | 0d | 3,500 | $76 | $265K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | August 18, 2026 | August 18, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | August 10, 2026 | August 10, 2026 | 0d | 7,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | August 10, 2026 | August 10, 2026 | 0d | 7,500 | $77 | $576K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | August 10, 2026 | August 10, 2026 | 0d | 7,500 | $11 | $80K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | July 30, 2026 | July 30, 2026 | 0d | 14,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Callos Andrew | CYTK | Sell S | July 30, 2026 | July 30, 2026 | 0d | 14,000 | $80 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | July 30, 2026 | July 30, 2026 | 0d | 14,000 | $23 | $326K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | July 27, 2026 | July 27, 2026 | 0d | 7,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | July 27, 2026 | July 27, 2026 | 0d | 7,500 | $81 | $607K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | July 27, 2026 | July 27, 2026 | 0d | 7,500 | $11 | $80K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | July 21, 2026 | July 23, 2026 | 2d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | July 21, 2026 | July 23, 2026 | 2d | 3,500 | $81 | $282K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | July 21, 2026 | July 23, 2026 | 2d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Wysenski Nancy | CYTK | Other A | July 15, 2026 | July 16, 2026 | 1d | 75 | $83 | $6,197 | Form 4 ↗ | ||
| WIERENGA WENDELL | CYTK | Other A | July 15, 2026 | July 16, 2026 | 1d | 75 | $83 | $6,197 | Form 4 ↗ | ||
| Kaye Edward M. MD | CYTK | Other A | July 15, 2026 | July 16, 2026 | 1d | 151 | $83 | $12K | Form 4 ↗ | ||
| HENDERSON JOHN T | CYTK | Other A | July 15, 2026 | July 16, 2026 | 1d | 272 | $83 | $22K | Form 4 ↗ | ||
| Harrington Robert Arthur | CYTK | Other A | July 15, 2026 | July 16, 2026 | 1d | 151 | $83 | $12K | Form 4 ↗ | ||
| Daly James M | CYTK | Other A | July 15, 2026 | July 16, 2026 | 1d | 151 | $83 | $12K | Form 4 ↗ | ||
| Blum Robert I | CYTK | Option / conversion M | July 13, 2026 | July 14, 2026 | 1d | 7,490 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | July 13, 2026 | July 14, 2026 | 1d | 7,490 | $82 | $614K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Option / conversion M | July 13, 2026 | July 14, 2026 | 1d | 7,490 | $11 | $79K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | July 13, 2026 | July 14, 2026 | 1d | 10 | $82 | $820 | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | July 7, 2026 | July 7, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | July 7, 2026 | July 7, 2026 | 0d | 3,500 | $87 | $303K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | July 7, 2026 | July 7, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | July 1, 2026 | July 2, 2026 | 1d | 7,500 | $85 | $637K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 15,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Callos Andrew | CYTK | Sell S | July 1, 2026 | July 2, 2026 | 1d | 15,000 | $86 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 15,000 | $23 | $349K | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,112 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Sell S | July 1, 2026 | July 2, 2026 | 1d | 1,112 | $88 | $98K | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | July 1, 2026 | July 2, 2026 | 1d | 1,112 | $49 | $54K | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 1,113 | — | — | late10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 822 | — | — | late10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 188 | — | — | late10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 1,113 | — | — | late10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 2,817 | — | — | late10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 9,307 | — | — | late10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 23,370 | — | — | late10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Sell S | June 24, 2026 | June 29, 2026 | 5d | 38,730 | $82 | $3.2M | late10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 1,113 | $49 | $54K | late10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 822 | $44 | $36K | late10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 188 | $44 | $8,340 | late10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 1,113 | $49 | $54K | late10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 2,817 | $44 | $125K | late10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 9,307 | $44 | $413K | late10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 24, 2026 | June 29, 2026 | 5d | 23,370 | $49 | $1.1M | late10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 823 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 188 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 1,113 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 822 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 188 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lee Sung | CYTK | Sell S | June 29, 2026 | June 29, 2026 | 0d | 3,134 | $85 | $266K | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 823 | $44 | $37K | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 188 | $44 | $8,340 | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 1,113 | $49 | $54K | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 822 | $44 | $36K | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Option / conversion M | June 29, 2026 | June 29, 2026 | 0d | 188 | $44 | $8,340 | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | June 23, 2026 | June 23, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | June 23, 2026 | June 23, 2026 | 0d | 3,500 | $80 | $278K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | June 23, 2026 | June 23, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | June 15, 2026 | June 15, 2026 | 0d | 7,500 | $70 | $528K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | June 9, 2026 | June 9, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | June 9, 2026 | June 9, 2026 | 0d | 3,500 | $68 | $238K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | June 9, 2026 | June 9, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Kaye Edward M. MD | CYTK | Sell S | June 1, 2026 | June 1, 2026 | 0d | 2,933 | $76 | $223K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | June 1, 2026 | June 1, 2026 | 0d | 15,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Callos Andrew | CYTK | Sell S | June 1, 2026 | June 1, 2026 | 0d | 15,000 | $74 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | June 1, 2026 | June 1, 2026 | 0d | 15,000 | $23 | $349K | 10b5-1 plan | Form 4 ↗ | |
| PARSHALL B LYNNE | CYTK | Sell S | June 1, 2026 | June 1, 2026 | 0d | 5,000 | $74 | $370K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | May 27, 2026 | May 28, 2026 | 1d | 7,500 | $77 | $579K | 10b5-1 plan | Form 4 ↗ | |
| Bhanji Muna | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 4,301 | — | — | derivative | Form 4 ↗ | |
| Bhanji Muna | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 2,851 | — | — | Form 4 ↗ | ||
| Daly James M | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 4,301 | — | — | derivative | Form 4 ↗ | |
| Daly James M | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 2,851 | — | — | Form 4 ↗ | ||
| Harrington Robert Arthur | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 4,301 | — | — | derivative | Form 4 ↗ | |
| Harrington Robert Arthur | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 2,851 | — | — | Form 4 ↗ | ||
| HENDERSON JOHN T | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 4,301 | — | — | derivative | Form 4 ↗ | |
| HENDERSON JOHN T | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 2,851 | — | — | Form 4 ↗ | ||
| Kaye Edward M. MD | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 4,301 | — | — | derivative | Form 4 ↗ | |
| Kaye Edward M. MD | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 2,851 | — | — | Form 4 ↗ | ||
| PARSHALL B LYNNE | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 4,301 | — | — | derivative | Form 4 ↗ | |
| PARSHALL B LYNNE | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 2,851 | — | — | Form 4 ↗ | ||
| Landry Robert E | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 4,301 | — | — | derivative | Form 4 ↗ | |
| Landry Robert E | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 2,851 | — | — | Form 4 ↗ | ||
| WIERENGA WENDELL | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 4,301 | — | — | derivative | Form 4 ↗ | |
| WIERENGA WENDELL | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 2,851 | — | — | Form 4 ↗ | ||
| Wysenski Nancy | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 4,301 | — | — | derivative | Form 4 ↗ | |
| Wysenski Nancy | CYTK | Other A | May 27, 2026 | May 27, 2026 | 0d | 2,851 | — | — | Form 4 ↗ | ||
| Malik Fady Ibraham | CYTK | Option / conversion M | May 19, 2026 | May 20, 2026 | 1d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | May 19, 2026 | May 20, 2026 | 1d | 3,500 | $76 | $265K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | May 19, 2026 | May 20, 2026 | 1d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | May 14, 2026 | May 14, 2026 | 0d | 7,500 | $78 | $584K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | May 5, 2026 | May 5, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | May 5, 2026 | May 5, 2026 | 0d | 3,500 | $77 | $271K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | May 5, 2026 | May 5, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| WIERENGA WENDELL | CYTK | Option / conversion M | May 5, 2026 | May 5, 2026 | 0d | 4,032 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| WIERENGA WENDELL | CYTK | Sell S | May 5, 2026 | May 5, 2026 | 0d | 4,032 | $75 | $302K | 10b5-1 plan | Form 4 ↗ | |
| WIERENGA WENDELL | CYTK | Option / conversion M | May 5, 2026 | May 5, 2026 | 0d | 4,032 | $12 | $50K | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Sell S | May 5, 2026 | May 5, 2026 | 0d | 23,906 | $77 | $1.8M | 10b5-1 plan | Form 4 ↗ | |
| HENDERSON JOHN T | CYTK | Option / conversion M | May 5, 2026 | May 5, 2026 | 0d | 20,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| HENDERSON JOHN T | CYTK | Sell S | May 5, 2026 | May 5, 2026 | 0d | 20,000 | $76 | $1.5M | 10b5-1 plan | Form 4 ↗ | |
| HENDERSON JOHN T | CYTK | Option / conversion M | May 5, 2026 | May 5, 2026 | 0d | 20,000 | $8 | $152K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | May 5, 2026 | May 5, 2026 | 0d | 11,333 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Callos Andrew | CYTK | Sell S | May 5, 2026 | May 5, 2026 | 0d | 11,333 | $77 | $875K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | May 5, 2026 | May 5, 2026 | 0d | 11,333 | $39 | $443K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | May 1, 2026 | May 4, 2026 | 3d | 15,857 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Callos Andrew | CYTK | Sell S | May 1, 2026 | May 4, 2026 | 3d | 15,857 | $65 | $1.0M | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | May 1, 2026 | May 4, 2026 | 3d | 15,857 | $38 | $597K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | April 30, 2026 | April 30, 2026 | 0d | 15,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Callos Andrew | CYTK | Sell S | April 30, 2026 | April 30, 2026 | 0d | 15,000 | $63 | $949K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Option / conversion M | April 30, 2026 | April 30, 2026 | 0d | 15,000 | $23 | $349K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | April 29, 2026 | April 29, 2026 | 0d | 7,500 | $60 | $447K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | April 21, 2026 | April 21, 2026 | 0d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | April 21, 2026 | April 21, 2026 | 0d | 3,500 | $66 | $230K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | April 21, 2026 | April 21, 2026 | 0d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Wysenski Nancy | CYTK | Other A | April 15, 2026 | April 15, 2026 | 0d | 95 | $65 | $6,210 | Form 4 ↗ | ||
| WIERENGA WENDELL | CYTK | Other A | April 15, 2026 | April 15, 2026 | 0d | 95 | $65 | $6,210 | Form 4 ↗ | ||
| Kaye Edward M. MD | CYTK | Other A | April 15, 2026 | April 15, 2026 | 0d | 191 | $65 | $12K | Form 4 ↗ | ||
| HENDERSON JOHN T | CYTK | Other A | April 15, 2026 | April 15, 2026 | 0d | 325 | $65 | $21K | Form 4 ↗ | ||
| Harrington Robert Arthur | CYTK | Other A | April 15, 2026 | April 15, 2026 | 0d | 191 | $65 | $12K | Form 4 ↗ | ||
| Daly James M | CYTK | Other A | April 15, 2026 | April 15, 2026 | 0d | 191 | $65 | $12K | Form 4 ↗ | ||
| Callos Andrew | CYTK | Sell S | April 15, 2026 | April 15, 2026 | 0d | 7,449 | $66 | $492K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | April 15, 2026 | April 15, 2026 | 0d | 7,500 | $65 | $490K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | April 7, 2026 | April 8, 2026 | 1d | 1,000 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | April 7, 2026 | April 8, 2026 | 1d | 3,500 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | April 7, 2026 | April 8, 2026 | 1d | 1,000 | $65 | $65K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | April 7, 2026 | April 8, 2026 | 1d | 1,000 | $11 | $11K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Sell S | April 7, 2026 | April 8, 2026 | 1d | 3,500 | $65 | $228K | 10b5-1 plan | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Option / conversion M | April 7, 2026 | April 8, 2026 | 1d | 3,500 | $8 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Sell S | April 1, 2026 | April 1, 2026 | 0d | 7,500 | $67 | $500K | 10b5-1 plan | Form 4 ↗ | |
| Callos Andrew | CYTK | Sell S | March 31, 2026 | March 31, 2026 | 0d | 3,639 | $65 | $237K | 10b5-1 plan | Form 4 ↗ | |
| Lee Sung | CYTK | Sell S | March 17, 2026 | March 18, 2026 | 1d | 4,935 | $62 | $307K | Form 4 ↗ | ||
| Callos Andrew | CYTK | Sell S | March 17, 2026 | March 18, 2026 | 1d | 2,916 | $62 | $181K | Form 4 ↗ | ||
| Callos Andrew | CYTK | Sell S | March 17, 2026 | March 18, 2026 | 1d | 5,626 | $62 | $350K | Form 4 ↗ | ||
| Malik Fady Ibraham | CYTK | Sell S | March 17, 2026 | March 18, 2026 | 1d | 4,397 | $62 | $273K | Form 4 ↗ | ||
| Malik Fady Ibraham | CYTK | Sell S | March 17, 2026 | March 18, 2026 | 1d | 7,636 | $62 | $475K | Form 4 ↗ | ||
| Blum Robert I | CYTK | Sell S | March 17, 2026 | March 18, 2026 | 1d | 23,928 | $62 | $1.5M | Form 4 ↗ | ||
| Blum Robert I | CYTK | Sell S | March 17, 2026 | March 18, 2026 | 1d | 12,673 | $62 | $788K | Form 4 ↗ | ||
| Callos Andrew | CYTK | Sell S | March 18, 2026 | March 18, 2026 | 0d | 1,930 | $62 | $120K | 10b5-1 plan | Form 4 ↗ | |
| Blum Robert I | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 111,864 | — | — | derivative | Form 4 ↗ | |
| Blum Robert I | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 1,665 | — | — | derivative | Form 4 ↗ | |
| Blum Robert I | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 75,258 | — | — | Form 4 ↗ | ||
| Callos Andrew | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 29,480 | — | — | derivative | Form 4 ↗ | |
| Callos Andrew | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 1,665 | — | — | derivative | Form 4 ↗ | |
| Callos Andrew | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 13,320 | — | — | Form 4 ↗ | ||
| Callos Andrew | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 20,646 | — | — | Form 4 ↗ | ||
| Hessekiel Jeffrey | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 22,820 | — | — | derivative | Form 4 ↗ | |
| Hessekiel Jeffrey | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 8,325 | — | — | derivative | Form 4 ↗ | |
| Hessekiel Jeffrey | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 20,646 | — | — | Form 4 ↗ | ||
| Lee Sung | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 29,480 | — | — | derivative | Form 4 ↗ | |
| Lee Sung | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 1,665 | — | — | derivative | Form 4 ↗ | |
| Lee Sung | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 20,646 | — | — | Form 4 ↗ | ||
| Malik Fady Ibraham | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 39,527 | — | — | derivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 1,665 | — | — | derivative | Form 4 ↗ | |
| Malik Fady Ibraham | CYTK | Other A | March 15, 2026 | March 17, 2026 | 2d | 27,306 | — | — | Form 4 ↗ | ||
| Callos Andrew | CYTK | Sell S | March 16, 2026 | March 16, 2026 | 0d | 1,709 | $61 | $104K | 10b5-1 plan | Form 4 ↗ |
Showing the 200 most recent of 314.
Federal contracts (USAspending, awards started in the last 180 days)
No contract award starting in the last 180 days was found for a recipient named exactly "CYTOKINETICS INC". Subsidiaries and differently-spelled recipients are not matched — search contracts.
Lobbying (Senate LDA, as client)
| Period | Registrant | Primary issue | Amount | Source |
|---|---|---|---|---|
| 2026 Q2 | FARRAGUT PARTNERS LLP | Health Issues | $30,000 | LDA ↗ |
| 2026 Q1 | FARRAGUT PARTNERS LLP | Health Issues | $30,000 | LDA ↗ |
| 2025 Q4 | FARRAGUT PARTNERS LLP | Health Issues | $30,000 | LDA ↗ |
| 2025 Q3 | FARRAGUT PARTNERS LLP | Health Issues | $30,000 | LDA ↗ |
Related companies
Companies whose stock was traded by the same people who traded CYTK, by number of filers in common. It shows overlap in public filings and nothing else.
- HALOZYME THERAPEUTICS, INC. HALO 2 filers in common
- VERACYTE, INC. VCYT 2 filers in common
- CrowdStrike Holdings, Inc. CRWD 1 filer in common
- Cloudflare, Inc. NET 1 filer in common
- Uber Technologies, Inc UBER 1 filer in common
- Datadog, Inc. DDOG 1 filer in common
- CARVANA CO. CVNA 1 filer in common
- Arista Networks, Inc. ANET 1 filer in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Lobbying disclosure reports Reports are due about 20 days after each quarter ends.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 3 | 3 | November 18, 2025 | October 12, 2026 | House Clerk search |
| SEC EDGAR, Form 4 | 137 | 314 | October 1, 2025 | October 20, 2026 | Form 4 list on EDGAR |
| Lobbying disclosure filings | 4 filings | — | — | — | LDA.gov search |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.