MC
Insider
Michael Castagna
Chief Executive OfficerMichael 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.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
-4.0%
avg across 1 priced filings
Delay-adjustediThe same average, entered at disclosure dates
-4.0%
same 1 filings, from disclosure
Filings, ttm
4
1 buys · 3 sells
Median delay
0d
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.5M
shares × price, as filed
Last traded
Mar 10
Filed Mar 10
Median ADV $20.9M across their filed names
Open performance→Volume by month
Buys $259K
Sells $1.2M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Healthcare
4 filings
Sector per market data · by filing · past 12 months
Most traded names
MNKDRecent filings
MNKDPURCHASE
MannKind Corporation
View filing →
$259K100,000 sh × $2.59
Exec Mar 10
Filed Mar 10 · 9:30 PM ET MNKDSALE MannKind Corporation View filing → $395K
65,804 sh × $6.01
Exec Dec 17 2025
Filed Dec 19 2025 · 5:30 PM ET MNKDSALE MannKind Corporation View filing → $253K
42,116 sh across 2 lots
Exec Dec 12 2025
Filed Dec 16 2025 · 5:30 PM ET MNKDSALE MannKind Corporation View filing → $601K
107,920 sh × $5.57
Exec Dec 2 2025
Filed Dec 4 2025 · 5:30 PM ET