Robert E. Landry - 11 Sep 2026 Form 4 Insider Report for CYTOKINETICS INC (CYTK)

Reporting relationship: Director
Issuer ticker: CYTK
Reported as of: 11 Sep 2026
Net transaction value: -$74,660
SEC form: 4
Accepted by SEC: 11 Sep 2026, 19:12:26 UTC
Prior SEC filing: 27 May 2026
Source filing: View source filing
Reporting owner signature: /s/ John O. Faurescu, attorney-in-fact for Mr. Landry

Key filing fact

Robert E. Landry filed Form 4 for CYTOKINETICS INC (CYTK) on 11 Sep 2026.

Key facts

This page summarizes Robert E. Landry's Form 4 filing for CYTOKINETICS INC (CYTK).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 11 Sep 2026, 19:12.

Change

Previous filing in this sequence was filed on 27 May 2026.
Current net transaction value: -$74,660.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001585160 Primary reporting owner

Landry Robert E

Relationship: Director
Address: 350 OYSTER POINT BLVD, SOUTH SAN FRANCISCO
Signature: /s/ John O. Faurescu, attorney-in-fact for Mr. Landry
Signature date: 11 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CYTK transaction

Common Stock

Sale

Transaction value: $74,660
Shares: -1,000
Change %: -9.8%
Price: $74.66
Shares after: 9,184
Date: 11 Sep 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).