CASTAGNA MICHAEL

PrivateCIK: 1674282
Location

VALENCIA, CA

CASTAGNA MICHAEL (Chief Executive Officer) exercised options at MANNKIND CORP

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise
InsiderCASTAGNA MICHAELCIK 1674282
IssuerMANNKIND CORPCIK 899460
DirectorOfficer· Chief Executive Officer
Since Feb 2026
-363.20K
Net shares
Net seller
$1.49M
Total sold
0
Open market trades
0B · 0S
6
Total transactions
350.26K acquired · 713.46K disposed
Non-Derivative Transactions5

Common Stock, $0.01 Par Value

Direct
M · Option Exercise

Shares

+350.26K

Price / share

Trade value

% of position

14.3%
7/15/2026
2.45M2.80M

Common Stock, $0.01 Par Value

Direct
F · Tax Withholding

Shares

192.82K

Price / share

$4.09

Trade value

$788.63K

% of position

6.9%
7/15/2026
2.80M2.60M

Common Stock, $0.01 Par Value

Direct
F · Tax Withholding

Shares

47.48K

Price / share

$4.09

Trade value

$194.20K

% of position

1.8%
7/15/2026
2.60M2.56M

Common Stock, $0.01 Par Value

Direct
F · Tax Withholding

Shares

64K

Price / share

$4.09

Trade value

$261.74K

% of position

2.5%
7/15/2026
2.56M2.49M

Common Stock, $0.01 Par Value

Direct
F · Tax Withholding

Shares

58.90K

Price / share

$4.09

Trade value

$240.92K

% of position

2.4%
7/15/2026
2.49M2.43M
Total

Net shares

12.94K

Net value

-$1.49M

Derivative Transactions1

Performance Restricted Stock Unit

Direct
M · Option Exercise
Converts to

Common Stock, $0.01 Par Value

350.26K shares

Shares

350.26K

Strike price

Held after

0.00

Exercisable

7/15/2026