Quick Takeaways
- Mark James Litton has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $445,121.
- Recent insider filing activity is available below.
Insider Trading & Ownership of Mark James Litton
- Location
- Bothell, WA
- Summary
- The estimated net worth of Mark James Litton is at least $445,121 dollars as of 13 Apr 2026. Mark James Litton is the PRESIDENT and CEO, Director of LeonaBio, Inc. and owns shares of LeonaBio, Inc. (LONA) stock worth about $445.1K.
- Signature
- /s/ Mark Worthington, Attorney-in-Fact for Mark James Litton
- All Insider Reports
- All Insider Reports
Follow Filing Activity
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What Changed
- Largest disclosed position: LeonaBio, Inc. ($445,121).
- Past-year value change for that position: -$52,853.
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 Mark James Litton
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| LONA | LeonaBio, Inc. | PRESIDENT and CEO, Director | $445,121 | -$52,853 | -11% | 09 Apr 2026 |
Insider Transactions Reported by Mark James Litton:
| 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.