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MNKDNasdaq
MANNKIND CORP
Pharmaceutical Preparations · DE · CIK 899460
Develops and commercializes patient-centric therapies for cardiometabolic and orphan lung diseases
$1.13B
Market cap
$4.24
Last close
+2.4%
1D
+9.0%
5D
3.4M
Volume
Price · last 39 sessions+50.9%
May 4L $2.81 · H $4.24Jun 29
294
Total filings
Jun 2, 2026
Last filing
12/31
Fiscal year end
8-KCompany UpdateJun 2, 20268-KCompany UpdateMay 28, 20268-KShareholder VoteMay 22, 202610-Q10-QMay 6, 20268-KResults of OperationsMay 6, 2026DEFA14ADEFA14AApr 7, 2026DEF 14ADEF 14AApr 7, 202610-K10-KFeb 26, 20268-KResults of OperationsFeb 26, 20268-K/ACompany UpdateDec 15, 20258-KCompany UpdateNov 10, 202510-Q10-QNov 5, 20258-KResults of OperationsNov 5, 20258-KMaterial Agreement · Acquisition / DispositionOct 9, 20258-KMaterial AgreementAug 27, 20258-KMaterial Agreement · Reg FD DisclosureAug 25, 202510-Q10-QAug 6, 20258-KResults of OperationsAug 6, 20258-KShareholder VoteMay 19, 20258-KExecutive ChangeMay 15, 202510-Q10-QMay 8, 20258-KResults of OperationsMay 8, 2025DEFA14ADEFA14AApr 1, 2025DEF 14ADEF 14AApr 1, 202510-K10-KFeb 26, 20258-KResults of OperationsFeb 26, 20258-KExecutive ChangeJan 6, 20258-KEquity Issuance · Company UpdateDec 18, 202410-Q10-QNov 7, 20248-KResults of OperationsNov 7, 20248-KExecutive ChangeAug 14, 20248-KResults of OperationsAug 7, 202410-Q10-QAug 7, 20248-KShareholder VoteMay 16, 202410-Q10-QMay 8, 20248-KResults of OperationsMay 8, 2024DEFA14ADEFA14AApr 5, 2024DEF 14ADEF 14AApr 5, 20248-KCompany UpdateApr 3, 20248-KExecutive ChangeMar 26, 202410-K10-KFeb 27, 20248-KResults of OperationsFeb 27, 20248-KMaterial AgreementJan 2, 20248-KMaterial AgreementDec 27, 202310-Q10-QNov 7, 20238-KResults of OperationsNov 7, 202310-Q10-QAug 7, 20238-KResults of OperationsAug 7, 20238-KCompany UpdateJul 3, 20238-KExecutive Change · Shareholder VoteMay 30, 20238-K/AResults of OperationsMay 10, 202310-Q10-QMay 9, 20238-KResults of OperationsMay 9, 2023DEFA14ADEFA14AApr 14, 2023DEFA14ADEFA14AApr 11, 2023DEF 14ADEF 14AApr 10, 20238-KExecutive Change · Reg FD DisclosureMar 27, 202310-K10-KFeb 23, 20238-KResults of OperationsFeb 23, 202310-Q10-QNov 8, 20228-KResults of OperationsNov 8, 20228-KExecutive ChangeOct 31, 20228-KCompany UpdateSep 26, 202210-Q10-QAug 9, 20228-KResults of OperationsAug 9, 20228-KCompany UpdateMay 25, 20228-KNew Debt / Obligation · Company UpdateMay 23, 20228-KShareholder VoteMay 12, 20228-KResults of OperationsMay 5, 202210-Q10-QMay 5, 2022DEFA14ADEFA14AMar 30, 2022DEF 14ADEF 14AMar 30, 202210-K10-KFeb 24, 20228-KResults of OperationsFeb 24, 2022SC 13GSC 13GFeb 10, 20228-KCompany UpdateJan 18, 20228-KCompany UpdateDec 27, 202110-Q10-QNov 9, 20218-KResults of OperationsNov 9, 20218-KMaterial Agreement · Company UpdateOct 18, 2021
Insider Activity
In the 90 days to Mar 10, 2026: 1 insider bought $259K · 2 sold $946K.
| Date | Insider | Action | Shares | Price | Value |
|---|---|---|---|---|---|
| Mar 10, 2026 | Castagna MichaelChief Executive Officer | Buy | 100,000 | $2.59 | $259K |
| Jan 8, 2026 | Tross Stuart AChief People & Workpl Officer | Sell | 47,006 | $6.33 | $298K |
| Dec 17, 2025 | Castagna MichaelChief Executive Officer | Sell | 65,804 | $6.01 | $395K |
| Dec 16, 2025 | Castagna MichaelChief Executive Officer | Sell | 21,310 | $6.00 | $128K |
| Dec 12, 2025 | Castagna MichaelChief Executive Officer | Sell | 20,806 | $6.00 | $125K |
| Dec 2, 2025 | Thomson DavidEVP Genl Counsel & Secretary | Sell | 147,780 | $5.57 | $823K |
| Dec 2, 2025 | Castagna MichaelChief Executive Officer | Sell | 107,920 | $5.57 | $601K |
| Nov 14, 2025 | Singh Sanjay REVP Technical Operations | Sell | 18,777 | $5.03 | $94K |
Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.
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