Cytokinetics (CYTK) director paid board retainer in company stock

Rhea-AI Filing Summary

Cytokinetics director Wendell Wierenga reported a routine equity compensation transaction. On January 15, 2026, he acquired 98 shares of Cytokinetics common stock at $63.44 per share. According to the footnote, these fully vested shares were received in lieu of a cash retainer under an equity-in-lieu-of-cash option available to board members. After this grant, he beneficially owns 32,542 common shares directly.

Insider Trade Summary

Net Buyer: 98 shares

Net Buy 1 txn

Insider WIERENGA WENDELL

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	98	$63.44	$6K

Holdings After Transaction: Common Stock — 32,542 shares (Direct)

Footnotes (1)

1. F1. Fully vested shares of common stock received in lieu of cash retainer pursuant to Equity in Lieu of Cash Retainer Option available to members of our Board of Directors.

FAQ

What insider transaction did Cytokinetics (CYTK) report in this Form 4?

The filing shows director Wendell Wierenga acquired 98 shares of Cytokinetics common stock on January 15, 2026 as reported on Form 4.

What price was paid per share in the latest Cytokinetics (CYTK) insider transaction?

The director’s acquisition was reported at a price of $63.44 per share for 98 shares of Cytokinetics common stock.

Why did the Cytokinetics (CYTK) director receive shares instead of cash?

The footnote states the fully vested shares were received in lieu of a cash retainer under an equity-in-lieu-of-cash retainer option available to members of the Board of Directors.

How many Cytokinetics (CYTK) shares does Wendell Wierenga own after this transaction?

Following the reported transaction, Wendell Wierenga beneficially owns 32,542 shares of Cytokinetics common stock, held directly.

Is the Cytokinetics (CYTK) Form 4 transaction a purchase or a sale?

The Form 4 reports an acquisition (Code A) of Cytokinetics common stock, not a sale, reflecting equity compensation for board service.

Does the Cytokinetics (CYTK) director hold the reported shares directly or indirectly?

The filing indicates the 32,542 shares are held with direct (D) ownership by the reporting person.

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

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 01/16/2026 - 04:20 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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).

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^*

WIERENGA WENDELL

(Last) (First) (Middle)

350 OYSTER POINT BLVD

(Street)

SOUTH SAN FRANCISCO CA 94080

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CYTOKINETICS INC [ CYTK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/15/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	01/15/2026		A(1)		98	A	$63.44	32,542	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Fully vested shares of common stock received in lieu of cash retainer pursuant to Equity in Lieu of Cash Retainer Option available to members of our Board of Directors.

	/s/ John O. Faurescu, attorney-in-fact for Dr. Wierenga	01/16/2026
	** Signature of Reporting Person	Date
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.