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Mannkind Corp. planned insider sales

In the last twelve months insiders at Mannkind Corp. filed 12 Form 144 notices of planned sales, 644,704 shares worth $3.2 million at the time of filing, from 5 sellers. The latest, filed 25 September 2026: Steven Binder (director), 39,051 shares worth $128,478, planned for around 25 September 2026 through Morgan Stanley Smith Barney LLC Executive Financial Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
25 September 2026Steven BinderDirector39,051$128,47825 September 202639,051 shares from 25 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance Stock UnitsForm 144
10 September 2026Steven BinderDirector33,558$132,21910 September 202633,558 shares from 10 September 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
7 August 2026Steven BinderDirector39,051$151,9087 August 202639,051 shares from 7 August 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance Stock UnitsForm 144
17 July 2026David ThomsonOfficer24,109$97,40017 July 202624,109 shares from 17 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance Stock Units; Restricted Stock UnitsForm 144
17 July 2026Steven BinderDirector52,485$212,03917 July 202652,485 shares from 17 July 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
12 May 2026David ThomsonOfficer10,113$33,98012 May 20263,033 shares from 12 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
12 May 2026Steven BinderDirector16,940$56,91812 May 202616,940 shares from 12 May 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted Stock UnitsForm 144
8 January 2026Stuart A TrossOfficer47,000$297,5108 January 202647,006 shares from 8 January 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesPerformance SharesForm 144
12 December 2025Michael CastagnaDirector, Officer107,920$627,01512 December 2025107,920 shares from 12 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
2 December 2025Michael CastagnaDirector, Officer107,920$586,0062 December 2025107,920 shares from 2 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
2 December 2025David ThomsonOfficer147,780$802,4452 December 2025147,780 shares from 2 December 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesExercise of Stock OptionsForm 144
14 November 2025Sanjay SinghOfficer18,777$94,49314 November 202518,777 shares from 14 November 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesRestricted StockForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?