STOCK TITAN

Cytokinetics (NASDAQ: CYTK) CEO sells 7,500 shares after option exercise

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Robert I. Blum, President & CEO of Cytokinetics, exercised 7,500 stock options at $10.60 per share into common stock on July 27, 2026 and sold 7,500 shares at $80.87 per share, pursuant to a Rule 10b5-1 trading plan. Following the option exercise, 179,245 options of this type remain directly held. The filing also reports indirect holdings of 2,083 shares in each of The Bridget Blum 2003 Irrevocable Trust and The Brittany Blum 2003 Irrevocable Trust.

Positive

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Negative

  • None.
Insider Blum Robert I
Role President & CEO
Sold 7,500 shs ($607K)
Approx. gross sale proceeds $607K
Approx. exercise cost $80K
Approx. pre-tax spread $527K
Type Security Shares Price Value
Exercise Non-Qualified Stock Option (Right to Buy) 7,500 $0.00 $0.00
Exercise Common Stock 7,500 $10.60 $80K
Sale Common Stock 7,500 $80.87 $607K
holding Common Stock F1 -- -- --
holding Common Stock F2 -- -- --
Holdings After Transaction: Non-Qualified Stock Option (Right to Buy) — 179,245 shares (Direct); Common Stock — 377,820 shares (Direct); Common Stock — 2,083 shares (Indirect, by Trust 1); Common Stock — 2,083 shares (Indirect, by Trust 2)
Footnotes (2)
  1. F1. Shares held by The Bridget Blum 2003 Irrevocable Trust.
  2. F2. Shares held by The Brittany Blum 2003 Irrevocable Trust.
Options exercised 7,500 shares Non-Qualified Stock Options exercised into common stock on July 27, 2026
Exercise price $10.60 per share Conversion or exercise price of options exercised on July 27, 2026
Shares sold 7,500 shares Common stock sold on July 27, 2026 at $80.87 per share
Sale price $80.87 per share Price per share for 7,500 Cytokinetics common shares sold
Options remaining 179,245 options Non-Qualified Stock Options remaining directly held after the reported exercise
Bridget trust holdings 2,083 shares Common stock held indirectly by The Bridget Blum 2003 Irrevocable Trust
Brittany trust holdings 2,083 shares Common stock held indirectly by The Brittany Blum 2003 Irrevocable Trust
Non-Qualified Stock Option financial
"Security title lists Non-Qualified Stock Option (Right to Buy)"
A non-qualified stock option (NSO) is a contract that lets an employee or service provider buy company shares at a fixed price for a set period, like a voucher to purchase stock later at today’s price. It matters to investors because exercising NSOs creates ordinary income for the holder and can increase share count, affecting a company’s earnings and ownership mix; think of it as a future sale that can dilute existing shareholders and has immediate tax consequences for the recipient.
Exercise or conversion of derivative security financial
"Transaction code M is described as Exercise or conversion of derivative security"
Rule 10b5-1 trading plan regulatory
"A document-level checkbox affirms trades under a Rule 10b5-1 trading plan"
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Irrevocable Trust financial
"Footnotes state shares held by The Bridget Blum 2003 Irrevocable Trust"
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.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What insider transaction did Cytokinetics (CYTK) CEO Robert Blum report?

Robert Blum reported exercising 7,500 stock options at $10.60 per share and selling 7,500 Cytokinetics (CYTK) shares at $80.87 per share. These transactions occurred on July 27, 2026 and were reported together as an exercise-and-sell sequence.

How many Cytokinetics (CYTK) shares did Robert Blum sell and at what price?

Robert Blum sold 7,500 shares of Cytokinetics (CYTK) common stock at $80.87 per share. The sale took place on July 27, 2026, immediately following the exercise of an equal number of stock options into common shares.

At what price were Robert Blum’s Cytokinetics (CYTK) stock options exercised?

The reported Cytokinetics (CYTK) stock options were exercised at an exercise price of $10.60 per share. This exercise converted 7,500 Non-Qualified Stock Options into common stock before a same-day sale of those shares at a higher market price.

How many Cytokinetics (CYTK) stock options does Robert Blum still hold after the transaction?

After exercising 7,500 options, Robert Blum is reported as holding 179,245 Non-Qualified Stock Options of this type. This figure reflects his remaining derivative position from that option grant as of the July 27, 2026 transaction date.

What indirect Cytokinetics (CYTK) shareholdings did Robert Blum report through trusts?

The filing lists 2,083 Cytokinetics (CYTK) shares held by The Bridget Blum 2003 Irrevocable Trust and 2,083 shares held by The Brittany Blum 2003 Irrevocable Trust. These positions are reported as indirect ownership attributed to Robert Blum through the trusts.

Were the Cytokinetics (CYTK) insider trades made under a Rule 10b5-1 plan?

Yes. The filing’s Rule 10b5-1 checkbox indicates the Cytokinetics (CYTK) transactions were made under a Rule 10b5-1 trading plan. Such plans prearrange trade timing and size, which can reduce the informational content of the trade’s specific execution date.
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)
07/27/2026
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 Stock07/27/2026M7,500A$10.6385,320D
Common Stock07/27/2026S7,500D$80.87377,820D
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)$10.607/27/2026M7,50003/28/201702/28/2027Common Stock7,500$0179,245D
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. Blum07/27/2026
** 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)