Michael Castagna
CIK: 0001674282
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MANNKIND CORP
Discretionary Trading P&L
Holdings
Transaction History (30 total)
- Jul 15, 2026MNKD
MANNKIND CORP
Tax Payment(F)Direct64K shares at avg. $4.09$262K - Jul 15, 2026MNKD
MANNKIND CORP
Tax Payment(F)Direct192.8K shares at avg. $4.09$789K - Jul 15, 2026MNKD
MANNKIND CORP
Tax Payment(F)Direct58.9K shares at avg. $4.09$241K - Jul 15, 2026MNKD
MANNKIND CORP
Tax Payment(F)Direct47.5K shares at avg. $4.09$194K - Jul 15, 2026MNKD
MANNKIND CORP
Exercise(M)Direct350.3K shares- - May 11, 2026MNKD
MANNKIND CORP
Tax Payment(F)Direct35K shares at avg. $3.52$123K - Mar 23, 2026MNKD
MANNKIND CORP
Award(A)DirectEmployee Stock Option (right to buy)
782K shares- - Mar 23, 2026MNKD
MANNKIND CORP
Award(A)DirectPerformance Restricted Stock Unit
796K shares- - Mar 10, 2026MNKD
MANNKIND CORP
Purchase(P)Direct100K shares at avg. $2.59$259K - Mar 1, 2026MNKD
MANNKIND CORP
Award(A)Direct15.3K shares at avg. $3.27$50K - Feb 26, 2026MNKD
MANNKIND CORP
Award(A)DirectEmployee Stock Option (right to buy)
50K shares- - Feb 26, 2026MNKD
MANNKIND CORP
Award(A)DirectEmployee Stock Option (right to buy)
57.8K shares- - Feb 26, 2026MNKD
MANNKIND CORP
Award(A)DirectEmployee Stock Option (right to buy)
37.5K shares- - Dec 24, 2025MNKD
MANNKIND CORP
Gift(G)Direct44.2K shares- - Dec 17, 2025MNKD
MANNKIND CORP
Exercise(M)Direct65.8K shares at avg. $4.55$299K - Dec 17, 2025MNKD
MANNKIND CORP
Sale(S)Direct65.8K shares at avg. $6.01$395K - Dec 16, 2025MNKD
MANNKIND CORP
Sale(S)Direct21.3K shares at avg. $6.00$128K - Dec 16, 2025MNKD
MANNKIND CORP
Exercise(M)Direct21.3K shares at avg. $4.55$97K - Dec 12, 2025MNKD
MANNKIND CORP
Exercise(M)Direct20.8K shares at avg. $4.55$95K - Dec 12, 2025MNKD
MANNKIND CORP
Sale(S)Direct20.8K shares at avg. $6.00$125K - Dec 2, 2025MNKD
MANNKIND CORP
Exercise(M)Direct107.9K shares at avg. $4.55$491K - Dec 2, 2025MNKD
MANNKIND CORP
Sale(S)Direct107.9K shares at avg. $5.57$601K - Jul 15, 2025MNKD
MANNKIND CORP
Tax Payment(F)Direct111.3K shares at avg. $3.85$428K - May 19, 2025MNKD
MANNKIND CORP
Tax Payment(F)Direct26.1K shares at avg. $4.37$114K - May 14, 2025MNKD
MANNKIND CORP
Award(A)Direct27K shares at avg. $4.56$123K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 15, 2026 | MNKD MANNKIND CORP | Tax Payment(F) | 63,996 | $4.09 | $261,744 | Direct |
| Jul 15, 2026 | MNKD MANNKIND CORP | Tax Payment(F) | 192,819 | $4.09 | $788,630 | Direct |
| Jul 15, 2026 | MNKD MANNKIND CORP | Tax Payment(F) | 58,904 | $4.09 | $240,917 | Direct |
| Jul 15, 2026 | MNKD MANNKIND CORP | Tax Payment(F) | 47,481 | $4.09 | $194,197 | Direct |
| Jul 15, 2026 | MNKD MANNKIND CORP | Exercise(M) | 350,260 | - | $0 | Direct |
| May 11, 2026 | MNKD MANNKIND CORP | Tax Payment(F) | 34,957 | $3.52 | $123,049 | Direct |
| Mar 23, 2026 | MNKD MANNKIND CORP | Award(A) Employee Stock Option (right to buy) | 782,000 | - | - | Direct |
| Mar 23, 2026 | MNKD MANNKIND CORP | Award(A) Performance Restricted Stock Unit | 796,000 | - | - | Direct |
| Mar 10, 2026 | MNKD MANNKIND CORP | Purchase(P) | 100,000 | $2.59 | $259,000 | Direct |
| Mar 1, 2026 | MNKD MANNKIND CORP | Award(A) | 15,290 | $3.27 | $49,998 | Direct |
| Feb 26, 2026 | MNKD MANNKIND CORP | Award(A) Employee Stock Option (right to buy) | 50,000 | - | - | Direct |
| Feb 26, 2026 | MNKD MANNKIND CORP | Award(A) Employee Stock Option (right to buy) | 57,750 | - | - | Direct |
| Feb 26, 2026 | MNKD MANNKIND CORP | Award(A) Employee Stock Option (right to buy) | 37,525 | - | - | Direct |
| Dec 24, 2025 | MNKD MANNKIND CORP | Gift(G) | 44,171 | - | - | Direct |
| Dec 17, 2025 | MNKD MANNKIND CORP | Exercise(M) | 65,804 | $4.55 | $299,408 | Direct |
| Dec 17, 2025 | MNKD MANNKIND CORP | Sale(S) | 65,804 | $6.01 | $395,482 | Direct |
| Dec 16, 2025 | MNKD MANNKIND CORP | Sale(S) | 21,310 | $6.00 | $127,860 | Direct |
| Dec 16, 2025 | MNKD MANNKIND CORP | Exercise(M) | 21,310 | $4.55 | $96,961 | Direct |
| Dec 12, 2025 | MNKD MANNKIND CORP | Exercise(M) | 20,806 | $4.55 | $94,667 | Direct |
| Dec 12, 2025 | MNKD MANNKIND CORP | Sale(S) | 20,806 | $6.00 | $124,836 | Direct |
| Dec 2, 2025 | MNKD MANNKIND CORP | Exercise(M) | 107,920 | $4.55 | $491,036 | Direct |
| Dec 2, 2025 | MNKD MANNKIND CORP | Sale(S) | 107,920 | $5.57 | $601,114 | Direct |
| Jul 15, 2025 | MNKD MANNKIND CORP | Tax Payment(F) | 111,275 | $3.85 | $428,409 | Direct |
| May 19, 2025 | MNKD MANNKIND CORP | Tax Payment(F) | 26,114 | $4.37 | $114,118 | Direct |
| May 14, 2025 | MNKD MANNKIND CORP | Award(A) | 27,000 | $4.56 | $123,120 | Direct |
1-25 of 30 transactions
About Castagna Michael
Castagna Michael (SEC CIK 0001674282) files insider reports with the SEC as Chief Executive Officer of MANNKIND CORP (MNKD).
Signal8 holds 15 ownership filings by Castagna Michael, all Form 4s, filed between Apr 4, 2025 and Jul 17, 2026. Those filings report 30 transactions, from Apr 4, 2025 to Jul 15, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Castagna Michael's filings is in DANBURY, CT.
Recent filings by Castagna Michael
- Jul 15, 2026: Tax withholdings of MNKD shares (4 lines, Form 4, code F).
- Jul 15, 2026: Option exercise of MNKD shares (Form 4, code M).
- May 11, 2026: Tax withholding of MNKD shares (Form 4, code F).
- Mar 23, 2026: Grants or awards of MNKD derivative securities (2 lines, Form 4, code A).
- Mar 10, 2026: Open-market purchase of MNKD shares (Form 4, code P).
Other insiders filing for MANNKIND CORP (MNKD)
- Binder Steven B., Director
- Prentiss Christopher B, Chief Financial Officer
- Marasco Dominic, Pres, Endocrine Business Unit
- Tross Stuart A, Chief People & Workpl Officer
- Singh Sanjay R, EVP Technical Operations
- Thomson David, EVP Genl Counsel & Secretary