MANNKIND CORP

During the three months ended September 30, 2026, two of our officers (as defined in Rule 16a-1(f) under the Exchange Act) and one director entered into a written trading plan for the orderly disposition of the Company’s securities as set forth in the table below:

(1)

Contract, instruction or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act.

(2)

"Non-Rule 10b5-1 trading arrangement" as defined in Item 408(c) of Regulation S-K under the Exchange Act.

(3)

These trading plans include the potential exercise and sale by David Thomson and Steven B. Binder of short-dated options and performance options exercisable for up to 364,100 and 45,025 shares of common stock, respectively. The remainder of the plans for David Thomson and Steven B Binder, as well as the plan for Chris Prentiss, is designed to sell a specified percentage of the net shares delivered after tax withholding upon the vesting of restricted stock unit awards held by each individual. The actual number of shares to be sold will depend on state and federal tax rates applicable on the relevant vesting dates (currently assumed to be a combined 34%) as well as the payout, if any, of performance RSU awards (currently assumed to be at 100%). Based on these assumptions, the number of shares of common stock underlying restricted stock unit awards to be sold by David Thomson, Steven B. Binder and Chris Prentiss after tax withholdings are approximately 48,114, 18,761 and 50,329 respectively.