Lee Sung
EVP, Chief Financial Officer
Lee Sung has filed 11 SEC Form 4 filings (26 transaction rows) across 2 companies, including CYTK, TNGX, with disclosures dating back to 2025. 11 of those filings fall inside the rolling window. Most recent filing: Jul 2, 2026.
On the most recent filing, Lee Sung is listed as EVP, Chief Financial Officer at CYTOKINETICS INC. Inside the rolling window, Lee Sung reported no open-market purchases and 5 open-market sales totaling $5.7M in CYTK. The largest disclosed transaction in the window is a sale of 38,730 CYTK shares on Jun 24, 2026, worth $3.2M.
Companies traded
Other insiders at CYTK
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$5.7M
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Lee Sung made?
Lee Sung has filed 11 SEC Form 4 filings (26 transaction rows) across 2 companies, including CYTK, TNGX since 2025.
Which companies does Lee Sung trade?
Lee Sung has filed SEC Form 4 disclosures for 2 companies, including CYTK, TNGX.
When was Lee Sung's most recent SEC Form 4 filing?
Lee Sung's most recent SEC Form 4 filing on Tracefour is dated Jul 2, 2026.
What is Lee Sung's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Lee Sung is listed as EVP, Chief Financial Officer.
What is Lee Sung's total buy and sell value in the current window?
Inside the rolling retention window, Lee Sung bought $0 and sold $5.7M based on SEC Form 4 filings.
What was Lee Sung's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 38,730 CYTK shares on 2026-06-24, worth $3.2M, per SEC Form 4 filings.