Quick Takeaways
- Michael Castagna has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $6,680,924.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Michael Castagna
- Location
- Valencia, CA
- Summary
- The estimated net worth of Michael Castagna is at least $6,680,924 dollars as of 25 Mar 2026. Michael Castagna is the Chief Executive Officer, Director of MANNKIND CORP and owns shares of MANNKIND CORP (MNKD) stock worth about $6.68M.
- Signature
- /s/ Michael Castagna
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Michael Castagna and return when a new Insider Trading filing appears.
This tracks SEC filing changes for this page using existing product update flows.
What Changed
- Largest disclosed position: MANNKIND CORP ($6,680,924).
- Past-year value change for that position: -$990,292.
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 Michael Castagna
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| MNKD | MANNKIND CORP | Chief Executive Officer, Director | $6,680,924 | -$990,292 | -13% | 23 Mar 2026 |
Insider Transactions Reported by Michael Castagna:
| 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.