Castagna Michael's Form 4 filing
Mannkind Corp (MNKD) · filed Dec 16, 2025
- Accession no.
- 0001193125-25-321366
- Filed
- Dec 16, 2025
- Trade date
- Dec 12-16, 2025
- Filing delay
- 4 days
- Rule 10b5-1 plan
- Checked
This filing lists 4 non-derivative transactions and 3 derivative transactions. Open-market sales total $252.7K. It was filed 4 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Castagna MichaelCIK 0001674282 | Director, Officer (Chief Executive Officer) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 12, 2025 | Common Stock, $0.01 Par Value | MOption exerciseAcquired | +20,806 | $4.55 | +$94,667.3 | 2,525,598 | Direct | |
| Dec 12, 2025 | Common Stock, $0.01 Par Value | SSaleDisposed | −20,806 | $6.00 | −$124,836 | 2,504,792 | Direct | |
| Dec 16, 2025 | Common Stock, $0.01 Par Value | MOption exerciseAcquired | +21,310 | $4.55 | +$96,960.5 | 2,526,102 | Direct | |
| Dec 16, 2025 | Common Stock, $0.01 Par Value | SSaleDisposed | −21,310 | $6.00 | −$127,860 | 2,504,792 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Dec 12, 2025 | Common Stock, $0.01 Par Value | MOption exerciseDisposed | −7,920 | $0.00 | $0 | 0 | Direct | |
| Dec 12, 2025 | Common Stock, $0.01 Par Value | MOption exerciseDisposed | −12,886 | $0.00 | $0 | 37,114 | Direct | |
| Dec 16, 2025 | Common Stock, $0.01 Par Value | MOption exerciseDisposed | −21,310 | $0.00 | $0 | 15,804 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
No transaction price on this filing refers to a footnote.