MANNKIND CORP
For the period ended Sep 30, 2025. Filed Nov 5, 2025.
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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.
Sep 30, 2025 · Filed Nov 5, 2025
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Item 5. Other Information
Rule 10b5-1 Trading Arrangement Disclosure
During the three months ended September 30, 2025, three of our officers (as defined in Rule 16a-1(f) under the Exchange Act) and directors adopted a written trading plan for the orderly disposition of the Company’s securities as set forth in the table below:
| Type of Trading Arrangement | |||||||
|---|---|---|---|---|---|---|---|
| Name and Position | Action | AdoptionDate | Rule 10b5-1(1) | Non-Rule 10b5-1(2) | Total Shares of Common Stock to be Sold (3) | Total Shares of Common Stock to be Purchased | Expiration Date |
| Michael CastagnaChief Executive Officer | Adoption | August 8, 2025 | X | — | 692,665 | — | August 10, 2026 |
| David ThomsonEVP, General Counsel | Adoption | August 27, 2025 | X | — | 324,014 | — | August 20, 2026 |
| Steven B. BinderDirector | Adoption | September 18, 2025 | X | — | 151,965 | — | September 17, 2026 |
(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 Michael Castagna and David Thomson of short-dated options and performance options exercisable for up to 692,665 and 280,355 shares of common stock, respectively. The remainder of the plan for David Thomson, as well as the plan for Steven B, Binder, 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 and Steven B. Binder after tax withholdings are approximately 43,659 and 151,965, respectively.
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