Arkolith/Insider Trading/MNKD/Form 4

Castagna Michael

Chief Executive Officer, DirectorMANNKIND CORP (MNKD) · full profile →Form 4 · filed Dec 16, 2025
Net Selling
Open-Market Buys
$0
Open-Market Sells
$253K
Net Open-Market Flow
-$253K
Transactions
7
4 non-derivative · 3 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Dec 16, 2025Sell(S)21K$6.00$128K2.5M
Dec 16, 2025Option exercise(M)21K$4.55$97K2.5M
Dec 12, 2025Option exercise(M)21K$4.55$95K2.5M
Dec 12, 2025Sell(S)21K$6.00$125K2.5M

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Dec 16, 2025Option exercise(M)21K—$016K
Dec 12, 2025Option exercise(M)13K—$037K
Dec 12, 2025Option exercise(M)8K—$00

Transaction Codes

S
Open-market sale
M
Option exercise / conversion

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-25-321366) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML