Lee Sung - Insider Non-Derivative Transactions at CYTOKINETICS INC (CYTK) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 22, 2025, Lee Sung's relationship to CYTOKINETICS INC (CYTK) is Officer (EVP, Chief Financial Officer), and currently has 72,221 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other CYTK insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Lee Sung - Insider Non-Derivative Transactions of CYTK Common Stock

Lee Sung - Insider Non-Derivative Transactions at CYTK

Items per page:

0 of 0

Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 23, 2025	Acquisition -- (Common Stock)	2152	0	70069
Dec 23, 2025	F -- (Common Stock)	805	62.72	71416
Dec 23, 2025	Acquisition -- (Common Stock)	2152	0	72221
Dec 4, 2025	F -- (Common Stock)	1560	65.02	67917
Jun 3, 2025	F -- (Common Stock)	4965	31.21	69477
Mar 15, 2025	Acquisition -- (Common Stock)	32687	0	74442
Dec 4, 2024	F -- (Common Stock)	1536	51.51	37451
Dec 4, 2024	Acquisition -- (Common Stock)	4303	0	38987
Dec 4, 2024	Acquisition -- (Common Stock)	4304	0	41755
Jun 1, 2024	Acquisition -- (Common Stock)	34684	0	34684