THOMSON DAVID (EVP Genl Counsel & Secretary) sold 2.9% of their position (24.11K shares) of MANNKIND CORP on the open market

Open‑market sale worth $97.6K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

THOMSON DAVID

Filed: 7/18/2026ACC: 0001193125-26-308131

InsiderTHOMSON DAVIDCIK 1297976

→

IssuerMANNKIND CORPCIK 899460

Officer· EVP Genl Counsel & Secretary

Since Feb 2026

-122.53K

Net shares

Net seller

$500.2K

Total sold

Open market trades

0B · 1S

Total transactions

93.79K acquired · 216.32K disposed

Non-Derivative Transactions6

Common Stock, $0.01 Par Value

Direct

M · Option Exercise

+93.79K

Price / share

—

Trade value

—

% of position

11.4%

7/15/2026

826.30K→920.09K

Common Stock, $0.01 Par Value

Direct

F · Tax Withholding

−51.63K

Price / share

$4.09

Trade value

$211.17K

% of position

5.6%

7/15/2026

920.09K→868.46K

Common Stock, $0.01 Par Value

Direct

F · Tax Withholding

−12.66K

Price / share

$4.09

Trade value

$51.79K

% of position

1.5%

7/15/2026

868.46K→855.79K

Common Stock, $0.01 Par Value

Direct

F · Tax Withholding

−17.75K

Price / share

$4.09

Trade value

$72.61K

% of position

2.1%

7/15/2026

855.79K→838.04K

Common Stock, $0.01 Par Value

Direct

F · Tax Withholding

−16.38K

Price / share

$4.09

Trade value

$66.99K

% of position

2.0%

7/15/2026

838.04K→821.66K

Common Stock, $0.01 Par Value

Direct

S · Sale

−24.11K

Price / share

$4.05

Trade value

$97.64K

% of position

2.9%

7/17/2026

821.66K→797.55K

Total

Net shares

−28.75K

Net value

-$500.20K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock, $0.01 Par Value Direct	7/15/2026	M · Option Exercise	+93.79K	—	—	11.4%	826.30K	920.09K
Common Stock, $0.01 Par Value Direct	7/15/2026	F · Tax Withholding	−51.63K	$4.09	$211.17K	5.6%	920.09K	868.46K
Common Stock, $0.01 Par Value Direct	7/15/2026	F · Tax Withholding	−12.66K	$4.09	$51.79K	1.5%	868.46K	855.79K
Common Stock, $0.01 Par Value Direct	7/15/2026	F · Tax Withholding	−17.75K	$4.09	$72.61K	2.1%	855.79K	838.04K
Common Stock, $0.01 Par Value Direct	7/15/2026	F · Tax Withholding	−16.38K	$4.09	$66.99K	2.0%	838.04K	821.66K
Common Stock, $0.01 Par Value Direct	7/17/2026	S · Sale	−24.11K	$4.05	$97.64K	2.9%	821.66K	797.55K
Total			−28.75K		-$500.20K

Derivative Transactions1

Performance Restricted Stock Unit

Direct

M · Option Exercise

Converts to

Common Stock, $0.01 Par Value

93.79K shares

−93.79K

Strike price

Held after

0.00

Exercisable

—

7/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Performance Restricted Stock Unit Direct	Common Stock, $0.01 Par Value93.79K shares	7/15/2026	M · Option Exercise	−93.79K		—	0.00