STOCK TITAN

Cytokinetics Inc (CYTK) CEO exercises options and sells 7,500 shares

Filing Impact
(Very High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Cytokinetics Inc President & CEO Robert I. Blum exercised non-qualified stock options for 7,490 shares of common stock at $10.60 per share and, on the same date, sold a total of 7,500 shares at $82.02 per share in open-market transactions, leaving 377,820 shares held directly and 2,083 shares held indirectly by each of two irrevocable trusts.

Positive

  • None.

Negative

  • None.

Insights

Analyzing...

Insider Blum Robert I
Role President & CEO
Sold 7,500 shs ($615K)
Type Security Shares Price Value
Exercise Non-Qualified Stock Option (Right to Buy) 7,490 $0.00 --
Sale Common Stock 10 $82.02 $820.20
Exercise Common Stock 7,490 $10.60 $79K
Sale Common Stock 7,490 $82.02 $614K
holding Common Stock -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Non-Qualified Stock Option (Right to Buy) — 186,745 shares (Direct); Common Stock — 377,820 shares (Direct); Common Stock — 2,083 shares (Indirect, by Trust 1)
Footnotes (1)
  1. Shares held by The Bridget Blum 2003 Irrevocable Trust. Shares held by The Brittany Blum 2003 Irrevocable Trust.
Shares Sold 7,500 shares Common stock sold in open-market transactions on 2026-07-13
Sale Price $82.02 per share Price for the 7,490-share and 10-share sales of common stock
Options Exercised 7,490 shares Non-qualified stock options exercised into common stock on 2026-07-13
Exercise Price $10.60 per share Exercise price of the non-qualified stock options converted into common stock
Direct Holdings After 377,820 shares Cytokinetics common stock held directly by Robert I. Blum after transactions
Trust Holdings After 2,083 shares each Shares held by The Bridget Blum 2003 and The Brittany Blum 2003 Irrevocable Trusts
Remaining Options 186,745 options Non-qualified stock options remaining under the exercised grant after 7,490-option exercise
Option Expiration 2027-02-28 Expiration date of the non-qualified stock option award exercised in part
Non-Qualified Stock Option (Right to Buy) financial
"Security title listed as "Non-Qualified Stock Option (Right to Buy)""
open-market sale financial
"Transaction action described as an "open-market sale" of common stock"
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
indirect ownership financial
"Holdings reported as "I" for indirect ownership by family trusts"
irrevocable trust financial
"Shares held by The Bridget Blum 2003 and Brittany Blum 2003 Irrevocable Trusts"
An irrevocable trust is a legal arrangement where an owner transfers assets into a separate entity managed by a trustee and gives up the power to modify or reclaim those assets. For investors it matters because putting stock or other holdings into such a trust can change who controls and benefits from the assets, affect taxes and creditor protection, and influence how easy it is to sell or value those holdings—like placing valuables in a locked safe overseen by someone else.
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates

FAQ

What insider transactions did CYTK CEO Robert I. Blum report on this Form 4?

Robert I. Blum reported exercising 7,490 stock options at $10.60 per share and selling 7,500 shares of Cytokinetics common stock at $82.02 per share, all dated July 13, 2026, as open-market sales and related option exercises.

How many CYTK shares did the CEO sell and at what price?

The CEO sold 7,500 shares of Cytokinetics common stock at a price of $82.02 per share. The sales consisted of two open-market transactions on July 13, 2026, for 7,490 shares and 10 shares, respectively, following an option exercise.

What stock options did the CYTK CEO exercise in this filing?

Robert I. Blum exercised 7,490 non-qualified stock options for Cytokinetics common stock at an exercise price of $10.60 per share. These options relate to a grant exercisable from March 28, 2017 and expiring on February 28, 2027, reducing remaining option holdings.

How many CYTK shares does the CEO hold after these transactions?

Following the reported transactions, Robert I. Blum holds 377,820 shares directly of Cytokinetics common stock. In addition, 2,083 shares are held indirectly in each of two irrevocable trusts associated with his family, as disclosed in the footnotes.

What indirect CYTK holdings are reported through trusts for the CEO?

The filing shows 2,083 CYTK shares held by The Bridget Blum 2003 Irrevocable Trust and 2,083 shares held by The Brittany Blum 2003 Irrevocable Trust. These are reported as indirect ownership positions separate from Robert I. Blum’s directly held shares.

Did the CYTK CEO have remaining stock options after this exercise?

Yes. After exercising 7,490 options, 186,745 non-qualified stock options remain outstanding for Robert I. Blum under this specific option award. These options are exercisable into Cytokinetics common stock at an exercise price of $10.60 per share until February 28, 2027.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Blum Robert I

(Last)(First)(Middle)
350 OYSTER POINT BLVD

(Street)
SOUTH SAN FRANCISCO CALIFORNIA 94080

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
CYTOKINETICS INC [ CYTK ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
XOfficer (give title below)Other (specify below)
President & CEO
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/13/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock07/13/2026S10D$82.02377,820D
Common Stock07/13/2026M7,490A$10.6385,310D
Common Stock07/13/2026S7,490D$82.02377,820D
Common Stock2,083Iby Trust 1(1)
Common Stock2,083Iby Trust 2(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Non-Qualified Stock Option (Right to Buy)$10.607/13/2026M7,49003/28/201702/28/2027Common Stock7,490$0186,745D
Explanation of Responses:
1. Shares held by The Bridget Blum 2003 Irrevocable Trust.
2. Shares held by The Brittany Blum 2003 Irrevocable Trust.
/s/ John O. Faurescu, attorney-in-fact for Mr. Blum07/14/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)