MANNKIND CORP (MNKD)
Data as of , from SEC Form 4 filings.
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About MANNKIND CORP (MNKD)
MannKind Corp is a biopharmaceutical company dedicated to transforming chronic disease care through patient-centric solutions. Focused on cardiometabolic and orphan lung diseases, it develops and commercializes treatments that address unmet medical needs, including diabetes, pulmonary hypertension, and fluid overload in heart failure and chronic kidney disease.
- DANBURY, CT
- 592
- 2004
- XNAS
MNKD Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 5 | 188,254 | $726K |
| Option exercise | 10 | 1,404,360 | |
| Tax withholding / forfeiture | 22 | 624,494 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
MNKD insider transactions (Form 4)
5871 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 |
|---|---|---|---|---|---|---|
| Stuart A. Tross - Officer | Grant or award | Performance Restricted Stock Unit | 221,000 | $0.00 | - | |
| Stuart A. Tross - Officer | Grant or award | Employee Stock Option (right to buy) | 217,000 | $0.00 | - | |
| David Thomson - Officer | Grant or award | Performance Restricted Stock Unit | 221,000 | $0.00 | - | |
| David Thomson - Officer | Grant or award | Employee Stock Option (right to buy) | 217,000 | $0.00 | - | |
| Michael Castagna - Officer | Open-market purchase | Common Stock, $0.01 Par Value | 100,000 | $2.59 footnote F1 | $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 footnote F2 | $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 footnote F2 | $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 footnote F2 | $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 footnote F2 | $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 | |
| 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 | |
| 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 | |
| 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 | |
Item 8.01, 9.01
Item 2.02, 9.01
Item 3.02, 8.01, 9.01
Item 8.01
Recent MNKD Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| STEVEN BINDER | Director | 39,051 | $128K | View on EDGAR | |
| STEVEN BINDER | Director | 33,558 |
MNKD insider trading FAQ
What is the latest insider trade for MNKD?
MANNKIND CORP (MNKD) had 10 insider filings in the last 90 days, with the most recent on 2026-09-29. The full record for MNKD runs to 71 Form 4 filings, the earliest from 2024-11-04. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying MNKD stock?
No insider purchases of MNKD were filed in the last 90 days. 1 purchase is on record for this company.
How many insiders are selling MNKD stock?
5 insider sales of MNKD were filed in the last 90 days, totaling $726K.
Where can I see MNKD SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects MNKD Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Health Care companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Steven B. Binder view on EDGAR
- - Steven B. Binder view on EDGAR
- - Steven B. Binder view on EDGAR
- - Christopher B. Prentiss view on EDGAR
- - Dominic Marasco view on EDGAR
- - Stuart A. Tross view on EDGAR
- - Michael Castagna view on EDGAR
- - Sanjay R. Singh view on EDGAR
- - David Thomson view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Health Care
- Where MNKD's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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