SEC Filing Form 4 for MannKind Corp

This SEC Form 4 filing details a transaction by Christopher Prentiss, the Chief Financial Officer of MannKind Corp. On April 22, 2026, Mr. Prentiss disposed of 12,267 shares of Common Stock. The shares were acquired at a price of $2.74 per share. This disposal was to cover tax withholding obligations related to restricted stock units granted on May 15, 2024. Following this transaction, Mr. Prentiss owns 338,924 shares. This includes 2,337 shares acquired through the company's Employee Stock Purchase Plan on December 31, 2025. The filing is made on Form 4, indicating a change in beneficial ownership.