MannKind Director Steven B. Binder Sells 33,558 Shares

What Happened
Steven B. Binder, a director of MannKind Corp (MNKD), sold 33,558 shares in an open-market transaction on September 10, 2026. The weighted-average sale price was $3.81, producing gross proceeds of approximately $127,856. This sale was executed pursuant to a Rule 10b5-1 trading plan.

Key Details

• Transaction date: 2026-09-10 (reported on Form 4 filed 2026-09-14). Filing appears timely.
• Transaction type/code: Open-market sale (S).
• Shares sold: 33,558 at a weighted average price of $3.81; reported price range was $3.76–$3.87. (Footnote: detailed per-price share counts available on request.)
• Proceeds: ≈ $127,856 (gross).
• Shares owned after transaction: not disclosed in this filing.
• Footnotes: F1 — sale executed under a Rule 10b5-1 plan established Dec 2, 2025; F2 — weighted-average price and price range as noted above.

Context
Sales made under pre-established 10b5-1 plans are typically pre-arranged and do not necessarily reflect the insider’s current view of the company. For retail investors, purchases are generally more informative about insider sentiment than routine plan-based sales.