Steven B. Binder - 11 May 2026 Form 4 Insider Report for MANNKIND CORP (MNKD)

Reporting relationship: Director
Issuer ticker: MNKD
Reported as of: 11 May 2026
Net transaction value: -$55,733
SEC form: 4
Accepted by SEC: 13 May 2026, 20:30:06 UTC
Prior SEC filing: 02 Mar 2026
Next SEC filing: 22 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Steven B. Binder

Key filing fact

Steven B. Binder filed Form 4 for MANNKIND CORP (MNKD) on 13 May 2026.

Key facts

This page summarizes Steven B. Binder's Form 4 filing for MANNKIND CORP (MNKD).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 13 May 2026, 20:30.

Change

Previous filing in this sequence was filed on 02 Mar 2026.
Current net transaction value: -$55,733.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001712601 Primary reporting owner

Binder Steven B.

Relationship: Director
Address: 1 CASPER STREET, DANBURY
Signature: /s/ Steven B. Binder
Signature date: 13 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MNKD transaction

Common Stock, $0.01 Par Value

Tax liability

Transaction value
Shares: -5,560
Change %: -0.67%
Price: $3.52^*
Shares after: 824,948
Date: 11 May 2026
Ownership: Direct
Footnotes: F1

MNKD transaction

Common Stock, $0.01 Par Value

Sale

Transaction value: $55,733
Shares: -16,940
Change %: -2.1%
Price: $3.29
Shares after: 808,008
Date: 12 May 2026
Ownership: Direct
Footnotes: F2, F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 3 footnotes

Footnote F1

Represents shares withheld to pay tax withholding obligations due on the date of vesting of the Restricted Stock Units originally granted on May 10, 2022.

Footnote F2

Transaction occurred pursuant to Rule 10B5-1 Plan established December 2, 2025.

Footnote F3

The weighted average sales price of the reported transaction was $3.29 based on a range of prices between $3.25 and $3.34. Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided.