Stuart A. Tross - 20 May 2026 Form 4 Insider Report for MANNKIND CORP (MNKD)

Reporting relationship: Chief People & Workpl Officer
Issuer ticker: MNKD
Reported as of: 20 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 May 2026, 20:49:18 UTC
Prior SEC filing: 13 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Stuart A. Tross

Key filing fact

Stuart A. Tross filed Form 4 for MANNKIND CORP (MNKD) on 22 May 2026.

Key facts

This page summarizes Stuart A. Tross's Form 4 filing for MANNKIND CORP (MNKD).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 22 May 2026, 20:49.

Change

Previous filing in this sequence was filed on 13 May 2026.
Current net transaction value: $0.

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 0001589641 Primary reporting owner

Tross Stuart A

Relationship: Chief People & Workpl Officer
Address: 1 CASPER STREET, DANBURY
Signature: /s/ Stuart A. Tross
Signature date: 22 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

Award

Transaction value
Shares: +33,898
Change %: +3.4%
Price: $2.95^*
Shares after: 1,026,122
Date: 20 May 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The securities were purchased through the Issuer's Market Price Stock Purchase Plan effective May 29, 2018. The purchase was approved by the Company's Board of Directors on May 20, 2026.