THOMSON DAVID

PrivateCIK: 1297976
Location

VALENCIA, CA

THOMSON DAVID (EVP Genl Counsel & Secretary) sold 14.9% of their position (147.78K shares) of MANNKIND CORP on the open market

Open‑market sale worth $823.1K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderTHOMSON DAVIDCIK 1297976
IssuerMANNKIND CORPCIK 899460
Officer· EVP Genl Counsel & Secretary
Since Feb 2026
-147.78K
Net shares
Net seller
$823.1K
Total sold
1
Open market trades
0B · 1S
7
Total transactions
147.78K acquired · 295.56K disposed
Non-Derivative Transactions3

Common Stock, $0.01 Par Value

Direct
M · Option Exercise

Shares

+60K

Price / share

$4.55

Trade value

$273K

% of position

7.1%
12/2/2025
841.72K901.72K

Common Stock, $0.01 Par Value

Direct
M · Option Exercise

Shares

+87.78K

Price / share

$4.60

Trade value

$403.79K

% of position

9.7%
12/2/2025
901.72K989.50K

Common Stock, $0.01 Par Value

Direct
S · Sale

Shares

147.78K

Price / share

$5.57

Trade value

$823.13K

% of position

14.9%
12/2/2025
989.50K841.72K
Total

Net shares

+0.00

Net value

-$146.35K

Derivative Transactions4

Employee Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock, $0.01 Par Value

20K shares

Shares

20K

Strike price

4.55

Held after

0.00

Exercisable

12/2/2025

Employee Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock, $0.01 Par Value

20K shares

Shares

20K

Strike price

4.55

Held after

0.00

Exercisable

12/2/2025

Employee Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock, $0.01 Par Value

20K shares

Shares

20K

Strike price

4.55

Held after

0.00

Exercisable

12/2/2025

Employee Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock, $0.01 Par Value

87.78K shares

Shares

87.78K

Strike price

4.60

Held after

0.00

Exercisable

12/2/2025
THOMSON DAVID — Insider Transaction (Form 4) Filed Dec 4, 2025 | Finecho