Sanjay R. Singh - 15 Jul 2026 Form 4 Insider Report for MANNKIND CORP (MNKD)

Reporting relationship: EVP Technical Operations
Issuer ticker: MNKD
Reported as of: 15 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 17 Jul 2026, 21:44:15 UTC
Prior SEC filing: 25 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Sanjay R Singh

Key filing fact

Sanjay R. Singh filed Form 4 for MANNKIND CORP (MNKD) on 17 Jul 2026.

Key facts

This page summarizes Sanjay R. Singh's Form 4 filing for MANNKIND CORP (MNKD).
6 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 17 Jul 2026, 21:44.

Change

Previous filing in this sequence was filed on 25 Mar 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 0001953423 Primary reporting owner

Singh Sanjay R

Relationship: EVP Technical Operations
Address: 1 CASPER STREET, DANBURY
Signature: /s/ Sanjay R Singh
Signature date: 17 Jul 2026

Reported non-derivative transactions

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

MNKD transaction

Common Stock, $0.01 Par Value

Options Exercise

Transaction value
Shares: +70,550
Change %: +15%
Price: $0.000000^*
Shares after: 525,761
Date: 15 Jul 2026
Ownership: Direct
Footnotes: F1

MNKD transaction

Common Stock, $0.01 Par Value

Tax liability

Transaction value
Shares: -22,047
Change %: -4.2%
Price: $4.09^*
Shares after: 503,714
Date: 15 Jul 2026
Ownership: Direct
Footnotes: F2

MNKD transaction

Common Stock, $0.01 Par Value

Tax liability

Transaction value
Shares: -5,372
Change %: -1.1%
Price: $4.09^*
Shares after: 498,342
Date: 15 Jul 2026
Ownership: Direct
Footnotes: F2

MNKD transaction

Common Stock, $0.01 Par Value

Tax liability

Transaction value
Shares: -10,079
Change %: -2%
Price: $4.09^*
Shares after: 488,263
Date: 15 Jul 2026
Ownership: Direct
Footnotes: F2

MNKD transaction

Common Stock, $0.01 Par Value

Tax liability

Transaction value
Shares: -9,297
Change %: -1.9%
Price: $4.09^*
Shares after: 478,966
Date: 15 Jul 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MNKD transaction Derivative

Performance Restricted Stock Unit

Options Exercise

Transaction value
Shares: -70,550
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 15 Jul 2026
Ownership: Direct
Underlying class: Common Stock, $0.01 Par Value
Underlying amount: 70,550
Exercise price
Footnotes: F1, F3

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

A previously reported restricted stock unit award granted on May 25, 2023 vested on July 15, 2026 upon the achievement of performance objectives established by MannKind's compensation committee at the time of the approval of the award. Specifically, (i) the closing price of MannKind's common stock on June 30, 2026 was not less than the closing price on May 25, 2023 and (ii) MannKind's total shareholder return (TSR) over the period from May 23, 2023 to June 30, 2026 was at the 41.5th percentile of the TSR of the Russell 3000 Pharmaceutical & Biotechnology Index over the same period. As a result, the performance objective was achieved at 83% of target, resulting in a total share delivery of 70,550 shares. The acquisition of 85,000 shares pursuant to the restricted stock award was reported in Table II of the Form 4 filed by the Reporting Person on May 26, 2023. The remaining 14,450 shares were forfeited in accordance with the performance vesting criteria.

Footnote F2

Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3 incident to the vesting of previously reported restricted stock units.

Footnote F3

Each restricted stock unit represents a contingent right to receive one share of MNKD common stock.