CASTAGNA MICHAEL (Chief Executive Officer) sold 4.1% of their position (107.92K shares) of MANNKIND CORP on the open market
Open‑market sale worth $601.1K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 12/4/2025ACC: 0001193125-25-308350
DirectorOfficer· Chief Executive Officer
Since Feb 2026
-107.92K
Net shares
Net seller
$601.1K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
107.92K acquired · 215.84K disposed
Non-Derivative Transactions2
Common Stock, $0.01 Par Value
Direct
Shares
+107.92K
Price / share
$4.55
Trade value
$491.04K
% of position
4.3%
12/2/2025
2.50M→2.61M
Common Stock, $0.01 Par Value
Direct
Shares
−107.92K
Price / share
$5.57
Trade value
$601.11K
% of position
4.1%
12/2/2025
2.61M→2.50M
Total
Net shares
+0.00
Net value
-$110.08K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock, $0.01 Par Value Direct | 12/2/2025 | M · Option Exercise | +107.92K | $4.55 | $491.04K | 4.3% | 2.50M | 2.61M |
| Common Stock, $0.01 Par Value Direct | 12/2/2025 | S · Sale | −107.92K | $5.57 | $601.11K | 4.1% | 2.61M | 2.50M |
| Total | +0.00 | -$110.08K | ||||||
Derivative Transactions2
Employee Stock Option (Right to Buy)
Direct
Converts to
Common Stock, $0.01 Par Value
65.84K shares
Shares
−65.84K
Strike price
4.55
Held after
0.00
Exercisable
—
12/2/2025
Employee Stock Option (Right to Buy)
Direct
Converts to
Common Stock, $0.01 Par Value
42.08K shares
Shares
−42.08K
Strike price
4.55
Held after
7.92K
Exercisable
—
12/2/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy) Direct | Common Stock, $0.01 Par Value65.84K shares | 12/2/2025 | M · Option Exercise | −65.84K | 4.55 | — | 0.00 |
| Employee Stock Option (Right to Buy) Direct | Common Stock, $0.01 Par Value42.08K shares | 12/2/2025 | M · Option Exercise | −42.08K | 4.55 | — | 7.92K |