CYTOKINETICS INC

CYTK

Form 4 • Statement of Changes in Beneficial Ownership

SEC Accession Number: 0001061983-26-000015
Filing date: Mar 5, 2026
Earliest execution date: Mar 5, 2026

Summary

Type

Sell

Net shares

-26,000

% of shares

-34.01%

Amount (USD)

$1,608,730

Insider confidence score

17.5 out of 100

Negative

  • Large discretionary sell (≥1% of shares)
  • Very large sell amount ($1M+)

Stock transactions

Transaction 1

Security

Common Stock

Action

Exercise

Date

2026-03-05

Code

M

Net shares

+11,000.0

Price per Share

$39.13

Amount (USD)

$430,430.00

Acquired/Disposed

Acquired

Shares Owned Before

65,440.0

Shares Owned After

76,440.0

Transaction 2

Security

Common Stock

Action

Sell

Date

2026-03-05

Code

S

Net shares

-15,000.0

Price per Share

$61.87

Amount (USD)

$928,050.00

Acquired/Disposed

Disposed

Shares Owned Before

76,440.0

Shares Owned After

61,440.0

Transaction 3

Security

Common Stock

Action

Sell

Date

2026-03-05

Code

S

Net shares

-11,000.0

Price per Share

$61.88

Amount (USD)

$680,680.00

Acquired/Disposed

Disposed

Shares Owned Before

61,440.0

Shares Owned After

50,440.0

Transaction 4

Security

Common Stock

Action

Exercise

Date

2026-03-05

Code

M

Net shares

+15,000.0

Price per Share

$23.26

Amount (USD)

$348,900.00

Acquired/Disposed

Acquired

Shares Owned Before

50,440.0

Shares Owned After

65,440.0

Derivative Transactions

Transaction 1

Security

Non-Qualified Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-05

Code

M

Net shares

-11,000.0

Acquired/Disposed

Disposed

Shares Owned Before

35,403.0

Shares Owned After

24,403.0

Transaction 2

Security

Non-Qualified Stock Option (Right to Buy)

Action

Exercise

Date

2026-03-05

Code

M

Net shares

-15,000.0

Acquired/Disposed

Disposed

Shares Owned Before

84,000.0

Shares Owned After

69,000.0

Filing's footnotes

1. Stock options will vest over 4 years from the date of the grant, with 1/4th of the shares underlying the reporting person's option vesting on the one-year anniversary of the grant date and the remaining shares thereafter vesting monthly at a rate of 1/48th of the shares underlying the reporting person's option over the subsequent 36 months, subject to the reporting person's continued employment with the Issuer.

This page is for informational purposes only. While we strive for accuracy, the summary may contain inaccuracies or omissions. Please refer to the official SEC filing for authoritative information. Open the SEC filing.