Quick Takeaways
- Leone D. Patterson has 5 issuer positions tracked on this page.
- Estimated disclosed ownership value: $1,386,149.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Leone D. Patterson
- Location
- Washington, DC
- Summary
- The estimated net worth of Leone D. Patterson is at least $1,386,149 dollars as of 07 Jan 2026. Leone D. Patterson is the EVP, Chief Bus & Fin Officer of Zymeworks Inc. and owns shares of Zymeworks Inc. (ZYME) stock worth about $795.8K. Leone D. Patterson is the Chief Fin. and Bus. Officer of Tenaya Therapeutics, Inc. and owns shares of Tenaya Therapeutics, Inc. (TNYA) stock worth about $590.3K.
- Signature
- /s/ Daniel Dex, Attorney-in-Fact
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Leone D. Patterson 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: Zymeworks Inc. ($795,819).
- Past-year value change for that position: .
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 Leone D. Patterson
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| ZYME | Zymeworks Inc. | EVP, Chief Bus & Fin Officer | $795,819 | 06 Jan 2026 | ||
| TNYA | Tenaya Therapeutics, Inc. | Chief Fin. and Bus. Officer | $590,330 | 23 Feb 2024 | ||
| CLYM | Eliem Therapeutics, Inc. | Director | 19 May 2022 | |||
| KLRS | Kalaris Therapeutics, Inc. | Director | 10 Apr 2025 | |||
| NKTX | Nkarta, Inc. | Director | 05 Jun 2025 |
Insider Transactions Reported by Leone D. Patterson:
| 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.