MANNKIND CORP (MNKD)
$4.00-$0.06 (-1.48%) Today
Dominic Marasco - OfficerMannKind Corp is a biopharmaceutical company focused on the development and commercialization of patient-centric therapies that address serious unmet medical needs for those living with cardiometabolic and orphan lung diseases. The Company is currently commercializing three products: Afrezza (insulin human) Inhalation Powder, an ultra rapid-acting inhaled insulin indicated to improve glycemic control in adults with diabetes; Furoscix (furosemide injection), to treat fluid buildup in patients with chronic heart failure or chronic kidney disease; and the V-Go wearable insulin delivery device, which provides continuous subcutaneous infusion of insulin in adults that require insulin.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 3 | 115,645 | $469K |
| Option exercise | 10 | 1,404,360 | |
| Tax withholding / forfeiture | 22 | 624,494 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
69 Form 4 filings on record, the earliest from Nov 4, 2024, newest first. Filing history page 2 of 3.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Michael Castagna - Officer | Open-market purchase | Common Stock, $0.01 Par Value | 100,000 | $2.59 | $259K | |
| James Samuel Shannon | Grant or award | Common Stock, $0.01 Par Value | 12,000 | $3.27 | $39K | |
| Anthony C. Hooper | Grant or award | Common Stock, $0.01 Par Value | 35,000 | $3.27 | $114K | |
| Christopher B. Prentiss - Officer | Grant or award | Common Stock, $0.01 Par Value | 5,000 | $3.27 | $16K | |
| Michael Castagna - Officer | Grant or award | Common Stock, $0.01 Par Value | 15,290 | $3.27 | $50K | |
| Michael Castagna - Officer | Grant or award | Employee Stock Option (right to buy) | 50,000 | $0.00 | - | |
| Michael Castagna - Officer | Grant or award | Employee Stock Option (right to buy) | 57,750 | $0.00 | - | |
| Michael Castagna - Officer | Grant or award | Employee Stock Option (right to buy) | 37,525 | $0.00 | - | |
| Steven B. Binder | Grant or award | Employee Stock Option (right to buy) | 45,025 | $0.00 | - | |
| David Thomson - Officer | Grant or award | Employee Stock Option (right to buy) | 20,000 | $0.00 | - | |
| David Thomson - Officer | Grant or award | Employee Stock Option (right to buy) | 37,525 | $0.00 | - | |
| Stuart A. Tross - Officer | Grant or award | Common Stock, $0.01 Par Value | 15,290 | $3.27 | $50K | |
| Stuart A. Tross - Officer | Grant or award | Employee Stock Option (right to buy) | 20,000 | $0.00 | - | |
| Stuart A. Tross - Officer | Grant or award | Employee Stock Option (right to buy) | 28,143 | $0.00 | - | |
| Stuart A. Tross - Officer | Open-market sale | Common Stock, $0.01 Par Value | 47,006 | $6.33 | $298K | |
| Michael Castagna - Officer | Gift | Common Stock, $0.01 Par Value | 44,171 | $0.00 | - | |
| Michael Castagna - Officer | Option exercise | Common Stock, $0.01 Par Value | 65,804 | $4.55 | $299K | |
| Michael Castagna - Officer | Option exercise | Employee Stock Option (Right to Buy) | 15,804 | $0.00 | - | |
| Michael Castagna - Officer | Option exercise | Employee Stock Option (Right to Buy) | 50,000 | $0.00 | - | |
| Michael Castagna - Officer | Open-market sale | Common Stock, $0.01 Par Value | 65,804 | $6.01 | $395K | |
| Michael Castagna - Officer | Option exercise | Common Stock, $0.01 Par Value | 20,806 | $4.55 | $95K | |
| Michael Castagna - Officer | Option exercise | Common Stock, $0.01 Par Value | 21,310 | $4.55 | $97K | |
| Michael Castagna - Officer | Open-market sale | Common Stock, $0.01 Par Value | 20,806 | $6.00 | $125K | |
| Michael Castagna - Officer | Open-market sale | Common Stock, $0.01 Par Value | 21,310 | $6.00 | $128K | |
| Michael Castagna - Officer | Option exercise | Employee Stock Option (Right to Buy) | 7,920 | $0.00 | - | |
| Michael Castagna - Officer | Option exercise | Employee Stock Option (Right to Buy) | 12,886 | $0.00 | - | |
| Michael Castagna - Officer | Option exercise | Employee Stock Option (Right to Buy) | 21,310 | $0.00 | - | |
| Michael Castagna - Officer | Option exercise | Common Stock, $0.01 Par Value | 107,920 | $4.55 | $491K | |
| Michael Castagna - Officer | Option exercise | Employee Stock Option (Right to Buy) | 65,840 | $0.00 | - | |
| Michael Castagna - Officer | Open-market sale | Common Stock, $0.01 Par Value | 107,920 | $5.57 | $601K | |
| Michael Castagna - Officer | Option exercise | Employee Stock Option (Right to Buy) | 42,080 | $0.00 | - | |
| David Thomson - Officer | Option exercise | Common Stock, $0.01 Par Value | 60,000 | $4.55 | $273K | |
| David Thomson - Officer | Option exercise | Common Stock, $0.01 Par Value | 87,780 | $4.60 | $404K | |
| David Thomson - Officer | Open-market sale | Common Stock, $0.01 Par Value | 147,780 | $5.57 | $823K | |
| David Thomson - Officer | Option exercise | Employee Stock Option (Right to Buy) | 20,000 | $0.00 | - | |
| David Thomson - Officer | Option exercise | Employee Stock Option (Right to Buy) | 20,000 | $0.00 | - | |
| David Thomson - Officer | Option exercise | Employee Stock Option (Right to Buy) | 20,000 | $0.00 | - | |
| David Thomson - Officer | Option exercise | Employee Stock Option (Right to Buy) | 87,780 | $0.00 | - | |
| Sanjay R. Singh - Officer | Open-market sale | Common Stock, $0.01 Par Value | 18,777 | $5.03 | $94K | |
| Ajay Ahuja - Officer | Grant or award | Common Stock, $0.01 Par Value | 318,200 | $0.00 | - | |
| Sanjay R. Singh - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 17,071 | $5.59 | $95K | |
| Stuart A. Tross - Officer | Open-market sale | Common Stock, $0.01 Par Value | 47,000 | $5.34 | $251K | |
| Stuart A. Tross - Officer | Grant or award | Common Stock, $0.01 Par Value | 12,755 | $3.92 | $50K | |
| Steven B. Binder | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 19,383 | $3.85 | $75K | |
| Steven B. Binder | Open-market sale | Common Stock, $0.01 Par Value | 75,367 | $3.94 | $297K | |
| Sanjay R. Singh - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 15,450 | $3.85 | $59K | |
| Christopher B. Prentiss - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 11,540 | $3.85 | $44K | |
| Michael Castagna - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 111,275 | $3.85 | $428K | |
| Stuart A. Tross - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 28,057 | $3.85 | $108K | |
| Lauren M. Sabella - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 11,896 | $3.85 | $46K | |
| David Thomson - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 30,361 | $3.85 | $117K | |
| David Thomson - Officer | Open-market sale | Common Stock, $0.01 Par Value | 7,466 | $3.94 | $29K | |
| Burkhard Blank - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 9,556 | $3.85 | $37K | |
| Burkhard Blank - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 15,630 | $4.12 | $64K | |
| David Thomson - Officer | Tax withholding / forfeiture | Common Stock, $0.01 Par Value | 9,536 | $4.37 | $42K | |
| David Thomson - Officer | Open-market sale | Common Stock, $0.01 Par Value | 2,345 | $4.41 | $10K |
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| STEVEN BINDER | Director | 39,051 | $152K | View on EDGAR | |
| - | - | - | - | View on EDGAR | |
| - | - | - | - | View on EDGAR |
MANNKIND CORP (MNKD) had 8 insider filings in the last 90 days, with the most recent on 2026-08-11. The full record for MNKD runs to 69 Form 4 filings, the earliest from 2024-11-04. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
No insider purchases of MNKD were filed in the last 90 days. 1 purchase is on record for this company.
3 insider sales of MNKD were filed in the last 90 days, totaling $469K.
This page tracks MNKD Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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