Michael Castagna is Chief Executive Officer of MANNKIND CORP. Currently has a direct ownership of 2.46 Million shares of MNKD, which is worth approximately $12.5 Million. The most recent transaction as insider was on Dec 24, 2025, when has been sold 44,171 shares (Common Stock, $0.01 par value) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 2.46M
1.76% 3M change
7.22% 12M change
Total Value Held $12.5 Million

Michael Castagna Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 24 2025
SELL
Bona fide gift
-
44,171 Reduced 1.76%
2,460,621 Common Stock, $0.01 pa...
Dec 17 2025
SELL
Open market or private sale
$395,482 $6.01 p/Share
65,804 Reduced 2.56%
2,504,792 Common Stock, $0.01 pa...
Dec 17 2025
BUY
Exercise of conversion of derivative security
$299,408 $4.55 p/Share
65,804 Added 2.5%
2,570,596 Common Stock, $0.01 pa...
Dec 16 2025
SELL
Open market or private sale
$127,860 $6.0 p/Share
21,310 Reduced 0.84%
2,504,792 Common Stock, $0.01 pa...
Dec 16 2025
BUY
Exercise of conversion of derivative security
$96,960 $4.55 p/Share
21,310 Added 0.84%
2,526,102 Common Stock, $0.01 pa...
Dec 12 2025
SELL
Open market or private sale
$124,836 $6.0 p/Share
20,806 Reduced 0.82%
2,504,792 Common Stock, $0.01 pa...
Dec 12 2025
BUY
Exercise of conversion of derivative security
$94,667 $4.55 p/Share
20,806 Added 0.82%
2,525,598 Common Stock, $0.01 pa...
Dec 02 2025
SELL
Open market or private sale
$601,114 $5.57 p/Share
107,920 Reduced 4.13%
2,504,792 Common Stock, $0.01 pa...
Dec 02 2025
BUY
Exercise of conversion of derivative security
$491,036 $4.55 p/Share
107,920 Added 3.97%
2,612,712 Common Stock, $0.01 pa...
Jul 15 2025
SELL
Payment of exercise price or tax liability
$428,408 $3.85 p/Share
111,275 Reduced 4.25%
2,504,792 Common Stock, $0.01 pa...
May 19 2025
SELL
Payment of exercise price or tax liability
$114,118 $4.37 p/Share
26,114 Reduced 0.99%
2,612,934 Common Stock, $0.01 pa...
May 14 2025
BUY
Grant, award, or other acquisition
$123,119 $4.56 p/Share
27,000 Added 1.01%
2,639,048 Common Stock, $0.01 pa...
May 13 2025
BUY
Grant, award, or other acquisition
-
428,000 Added 14.08%
2,612,048 Common Stock, $0.01 pa...
May 12 2025
SELL
Payment of exercise price or tax liability
$1,686,506 $4.56 p/Share
369,848 Reduced 14.48%
2,184,048 Common Stock, $0.01 pa...
May 10 2025
BUY
Grant, award, or other acquisition
-
298,560 Added 10.47%
2,553,896 Common Stock, $0.01 pa...
Apr 04 2025
SELL
Other acquisition or disposition
-
39,500 Reduced 1.72%
2,255,336 Common Stock, $0.01 pa...
Aug 29 2024
SELL
Open market or private sale
$536,167 $6.3 p/Share
85,106 Reduced 3.58%
2,294,836 Common Stock, $0.01 pa...
Aug 29 2024
SELL
Bona fide gift
-
19,000 Reduced 0.79%
2,379,942 Common Stock, $0.01 pa...
Aug 28 2024
SELL
Bona fide gift
-
13,894 Reduced 0.58%
2,398,942 Common Stock, $0.01 pa...
Aug 27 2024
SELL
Payment of exercise price or tax liability
$301,737 $5.38 p/Share
56,085 Reduced 2.27%
2,412,836 Common Stock, $0.01 pa...
Jul 15 2024
SELL
Payment of exercise price or tax liability
$275,811 $5.83 p/Share
47,309 Reduced 1.88%
2,468,921 Common Stock, $0.01 pa...
Jun 30 2024
BUY
Grant, award, or other acquisition
$15,450 $3.09 p/Share
5,000 Added 0.2%
2,516,230 Common Stock, $0.01 pa...
May 18 2024
SELL
Payment of exercise price or tax liability
$119,647 $4.59 p/Share
26,067 Reduced 1.03%
2,511,230 Common Stock, $0.01 pa...
May 17 2024
SELL
Payment of exercise price or tax liability
$1,126,583 $4.59 p/Share
245,443 Reduced 8.82%
2,537,297 Common Stock, $0.01 pa...
May 17 2024
SELL
Other acquisition or disposition
$241,679 $4.56 p/Share
53,000 Reduced 2.03%
2,561,260 Common Stock, $.01 par...
MC

Michael Castagna

Chief Executive Officer
Danbury, CT

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