Quick Takeaways
- Sung Lee has 3 issuer positions tracked on this page.
- Estimated disclosed ownership value: $6,619,553.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Sung Lee
- Location
- Brisbane, CA
- Summary
- The estimated net worth of Sung Lee is at least $6,619,553 dollars as of 18 Mar 2026. Sung Lee is the EVP, Chief Financial Officer of CYTOKINETICS INC and owns shares of CYTOKINETICS INC (CYTK) stock worth about $5.41M. Sung Lee is the EVP & Chief Financial Officer of Vir Biotechnology, Inc. and owns shares of Vir Biotechnology, Inc. (VIR) stock worth about $1.12M. Sung Lee is the Director of Tango Therapeutics, Inc. and owns shares of Tango Therapeutics, Inc. (TNGX) stock worth about $88.6K.
- Signature
- /s/ John O. Faurescu, attorney-in-fact for Mr. Lee
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Sung Lee and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: CYTOKINETICS INC ($5,414,943).
- Past-year value change for that position: -$306,710.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Sung Lee
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| CYTK | CYTOKINETICS INC | EVP, Chief Financial Officer | $5,414,943 | -$306,710 | -5.4% | 17 Mar 2026 |
| VIR | Vir Biotechnology, Inc. | EVP & Chief Financial Officer | $1,116,015 | 27 Mar 2024 | ||
| TNGX | Tango Therapeutics, Inc. | Director | $88,595 | 02 Jan 2026 |
Insider Transactions Reported by Sung Lee:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.