Cytokinetics Inc. (CYTK) Insider Trading
Directors, officers and holders of more than 10% of CYTK report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 50 most recent of 555 transactions on file: 0 with code P, 16 with code S and 34 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | $10.60 | $79,500 |
| Nov 2, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | Not measured | Not measured |
| Nov 2, 2026 | Blum Robert I | President & CEO | S Sale | 7,500 | $62.81 | $471,075 |
| Oct 20, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | Not measured | Not measured |
| Oct 20, 2026 | Malik Fady Ibraham | EVP Research & Development | S Sale | 3,500 | $64.01 | $224,035 |
| Oct 20, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | $7.80 | $27,300 |
| Oct 16, 2026 | Harrington Robert Arthur | Director | A Award | 195 | $63.92 | $12,464 |
| Oct 16, 2026 | Kaye Edward M. MD | Director | A Award | 195 | $63.92 | $12,464 |
| Oct 16, 2026 | HENDERSON JOHN T | Director | A Award | 352 | $63.92 | $22,500 |
| Oct 16, 2026 | Wysenski Nancy | Director | A Award | 97 | $63.92 | $6,200 |
| Oct 16, 2026 | WIERENGA WENDELL | Director | A Award | 97 | $63.92 | $6,200 |
| Oct 16, 2026 | Daly James M | Director | A Award | 195 | $63.92 | $12,464 |
| Oct 12, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | $10.60 | $79,500 |
| Oct 12, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | Not measured | Not measured |
| Oct 12, 2026 | Blum Robert I | President & CEO | S Sale | 7,500 | $62.88 | $471,600 |
| Oct 6, 2026 | Malik Fady Ibraham | EVP Research & Development | S Sale | 3,500 | $61.38 | $214,830 |
| Oct 6, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | $7.80 | $27,300 |
| Oct 6, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | Not measured | Not measured |
| Sep 28, 2026 | Blum Robert I | President & CEO | S Sale | 7,500 | $65.46 | $490,950 |
| Sep 28, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | Not measured | Not measured |
| Sep 28, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | $10.60 | $79,500 |
| Sep 22, 2026 | Malik Fady Ibraham | EVP Research & Development | S Sale | 3,500 | $68.29 | $239,015 |
| Sep 22, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | Not measured | Not measured |
| Sep 22, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | $7.80 | $27,300 |
| Sep 15, 2026 | Blum Robert I | President & CEO | S Sale | 97,926 | $69.33 | $6,789,210 |
| Sep 15, 2026 | Landry Robert E | Director | S Sale | 1,000 | $72.13 | $72,130 |
| Sep 14, 2026 | Blum Robert I | President & CEO | G Gift | 1,350 | Not measured | Not measured |
| Sep 14, 2026 | Blum Robert I | President & CEO | G Gift | 97,926 | Not measured | Not measured |
| Sep 14, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | $10.60 | $79,500 |
| Sep 14, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | Not measured | Not measured |
| Sep 14, 2026 | Blum Robert I | President & CEO | S Sale | 7,500 | $73.44 | $550,800 |
| Sep 14, 2026 | Blum Robert I | President & CEO | G Gift | 97,926 | Not measured | Not measured |
| Sep 11, 2026 | Landry Robert E | Director | S Sale | 1,000 | $74.66 | $74,660 |
| Sep 8, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | Not measured | Not measured |
| Sep 8, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | $7.80 | $27,300 |
| Sep 8, 2026 | Malik Fady Ibraham | EVP Research & Development | S Sale | 3,500 | $75.46 | $264,110 |
| Sep 1, 2026 | PARSHALL B LYNNE | Director | S Sale | 5,000 | $71.48 | $357,400 |
| Aug 31, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | $10.60 | $79,500 |
| Aug 31, 2026 | Blum Robert I | President & CEO | S Sale | 7,500 | $70.24 | $526,800 |
| Aug 31, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | Not measured | Not measured |
| Aug 31, 2026 | Callos Andrew | EVP, Chief Commercial Officer | M Exercise | 10,000 | $23.26 | $232,600 |
| Aug 31, 2026 | Callos Andrew | EVP, Chief Commercial Officer | S Sale | 10,000 | $70.24 | $702,400 |
| Aug 31, 2026 | Callos Andrew | EVP, Chief Commercial Officer | M Exercise | 10,000 | Not measured | Not measured |
| Aug 18, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | Not measured | Not measured |
| Aug 18, 2026 | Malik Fady Ibraham | EVP Research & Development | S Sale | 3,500 | $75.82 | $265,370 |
| Aug 18, 2026 | Malik Fady Ibraham | EVP Research & Development | M Exercise | 3,500 | $7.80 | $27,300 |
| Aug 10, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | Not measured | Not measured |
| Aug 10, 2026 | Blum Robert I | President & CEO | S Sale | 7,500 | $76.76 | $575,700 |
| Aug 10, 2026 | Blum Robert I | President & CEO | M Exercise | 7,500 | $10.60 | $79,500 |
| Jul 30, 2026 | Callos Andrew | EVP, Chief Commercial Officer | M Exercise | 14,000 | Not measured | Not measured |
The full Form 4 history is on the CYTK company page (Insider Trades card, View all).
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.