SEC CIK 1793200

Lee Sung

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
CYTKview stock →63,2212026-07-01

Position History — CYTK

Reported shares owned immediately after each Form 4 transaction, over time.

033,98467,967101,9512026-062026-062026-062026-062026-062026-062026-062026-072026-07

Recent Filings — CYTK

DateActivitySharesPriceOwned After
2026-07-01Option exercise (derivative)1,112$0.0026,709
2026-07-01Open-market sale1,112$87.7963,221
2026-07-01Option exercise1,112$48.5164,333
2026-06-29Option exercise (derivative)823$0.0039,681
2026-06-29Option exercise (derivative)188$0.008,640
2026-06-29Option exercise (derivative)1,113$0.0052,304
2026-06-29Option exercise (derivative)822$0.0040,504
2026-06-29Option exercise (derivative)188$0.008,828
2026-06-29Open-market sale3,134$85.0063,221
2026-06-29Option exercise823$44.3666,355
2026-06-29Option exercise188$44.3665,532
2026-06-29Option exercise1,113$48.5165,344
2026-06-29Option exercise822$44.3664,231
2026-06-29Option exercise188$44.3663,409
2026-06-24Option exercise (derivative)1,113$0.0027,821
2026-06-24Option exercise (derivative)822$0.0031,197
2026-06-24Option exercise (derivative)188$0.006,011
2026-06-24Option exercise (derivative)1,113$0.0028,934
2026-06-24Option exercise (derivative)2,817$0.006,199
2026-06-24Option exercise (derivative)9,307$0.0032,019
2026-06-24Option exercise (derivative)23,370$0.0030,047
2026-06-24Open-market sale38,730$82.3063,221
2026-06-24Option exercise1,113$48.51101,951
2026-06-24Option exercise822$44.36100,838
2026-06-24Option exercise188$44.36100,016
2026-06-24Option exercise1,113$48.5199,828
2026-06-24Option exercise2,817$44.3698,715
2026-06-24Option exercise9,307$44.3695,898
2026-06-24Option exercise23,370$48.5186,591

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.