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Insider filing · MNKD

Michael Castagna sold $395K of MannKind (MNKD)

Executed Dec 17 2025, disclosed Dec 19 2025, 2 days later.

Value, as filed
$395K
65,804 sh × $6.01
Executed
Dec 17 2025
the trade date, as filed
Disclosed
Dec 19 2025
2 days after the trade
Return, 21 sessionsiFrom the disclosed entry session; derived
–
purchases only

Returns are measured on stock purchases only.

The filer
MC Michael Castagna Chief Executive Officer profile →

Michael Castagna (Chief Executive Officer) filed 4 Form 4 reports in the trailing twelve months (1 purchase, 3 sales), most often in MannKind Corporation (MNKD). Across 1 priced purchase filing, the average 21-session return was -4.0% from execution and -4.0% from disclosure (delay-adjusted; derived). The largest single filing was $601K of MNKD (107,920 sh × $5.57, as filed), executed Dec 2 2025.

The name
MNKD MannKind Corporation MNKD · Healthcare · 17 filings in 24 months ticker →

Healthcare · MannKind Corporation, a biopharmaceutical company, focuses on the provision of various solutions for transforming chronic disease care

More Healthcare filings→ Insider filings, newest first→ View the original filing at www.sec.gov→
Other filings by Michael Castagna in MNKD
MNKDPURCHASE MannKind Corporation $259K
100,000 sh × $2.59
Exec Mar 10
Filed Mar 10 · 9:30 PM ET MNKDSALE MannKind Corporation $253K
42,116 sh across 2 lots
Exec Dec 12 2025
Filed Dec 16 2025 · 5:30 PM ET MNKDSALE MannKind Corporation $601K
107,920 sh × $5.57
Exec Dec 2 2025
Filed Dec 4 2025 · 5:30 PM ET