CASTAGNA MICHAEL (Chief Executive Officer) sold 2.6% of their position (65.80K shares) of MANNKIND CORP on the open market
Open‑market sale worth $395.5K — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 12/19/2025ACC: 0001193125-25-327227
DirectorOfficer· Chief Executive Officer
Since Feb 2026
-65.80K
Net shares
Net seller
$395.5K
Total sold
1
Open market trades
0B · 1S
4
Total transactions
65.80K acquired · 131.61K disposed
Non-Derivative Transactions2
Common Stock, $0.01 Par Value
Direct
Shares
+65.80K
Price / share
$4.55
Trade value
$299.41K
% of position
2.6%
12/17/2025
2.50M→2.57M
Common Stock, $0.01 Par Value
Direct
Shares
−65.80K
Price / share
$6.01
Trade value
$395.48K
% of position
2.6%
12/17/2025
2.57M→2.50M
Total
Net shares
+0.00
Net value
-$96.07K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock, $0.01 Par Value Direct | 12/17/2025 | M · Option Exercise | +65.80K | $4.55 | $299.41K | 2.6% | 2.50M | 2.57M |
| Common Stock, $0.01 Par Value Direct | 12/17/2025 | S · Sale | −65.80K | $6.01 | $395.48K | 2.6% | 2.57M | 2.50M |
| Total | +0.00 | -$96.07K | ||||||
Derivative Transactions2
Employee Stock Option (Right to Buy)
Direct
Converts to
Common Stock, $0.01 Par Value
15.80K shares
Shares
−15.80K
Strike price
4.55
Held after
0.00
Exercisable
—
12/17/2025
Employee Stock Option (Right to Buy)
Direct
Converts to
Common Stock, $0.01 Par Value
50K shares
Shares
−50K
Strike price
4.55
Held after
0.00
Exercisable
—
12/17/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Employee Stock Option (Right to Buy) Direct | Common Stock, $0.01 Par Value15.80K shares | 12/17/2025 | M · Option Exercise | −15.80K | 4.55 | — | 0.00 |
| Employee Stock Option (Right to Buy) Direct | Common Stock, $0.01 Par Value50K shares | 12/17/2025 | M · Option Exercise | −50K | 4.55 | — | 0.00 |