Paul A. Mahon - 15 Oct 2026 Form 4 Insider Report for UNITED THERAPEUTICS Corp (UTHR)

Reporting relationship: EVP & GENERAL COUNSEL
Issuer ticker: UTHR
Reported as of: 15 Oct 2026
Net transaction value: -$4,517,709
SEC form: 4
Accepted by SEC: 16 Oct 2026, 16:34:10 UTC
Prior SEC filing: 01 Oct 2026
Source filing: View source filing
Reporting owner signature: /s/ John S. Hess, Jr. under Power of Attorney

Filing notes and source

Key filing fact

Paul A. Mahon filed Form 4 for UNITED THERAPEUTICS Corp (UTHR) on 16 Oct 2026.

Key facts

This page summarizes Paul A. Mahon's Form 4 filing for UNITED THERAPEUTICS Corp (UTHR).
8 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 16 Oct 2026, 16:34.

Change

Previous filing in this sequence was filed on 01 Oct 2026.
Current net transaction value: -$4,517,709.

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 0001231589 Primary reporting owner

MAHON PAUL A

Relationship: EVP & GENERAL COUNSEL
Address: C/O UNITED THERAPEUTICS CORPORATION, 1000 SPRING STREET, SILVER SPRING
Signature: /s/ John S. Hess, Jr. under Power of Attorney
Signature date: 15 Oct 2026

Reported non-derivative transactions

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

UTHR transaction

Common Stock

Options Exercise

Transaction value
Shares: +8,300
Change %: +18%
Price: $146.03^*
Shares after: 53,472
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1

UTHR transaction

Common Stock

Sale

Transaction value: -$145,160
Shares: -268
Change %: -0.5%
Price: $541.64
Shares after: 53,204
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F2

UTHR transaction

Common Stock

Sale

Transaction value: -$1,043,753
Shares: -1,924
Change %: -3.6%
Price: $542.49
Shares after: 51,280
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F3

UTHR transaction

Common Stock

Sale

Transaction value: -$1,077,871
Shares: -1,983
Change %: -3.9%
Price: $543.56
Shares after: 49,297
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F4

UTHR transaction

Common Stock

Sale

Transaction value: -$430,975
Shares: -791
Change %: -1.6%
Price: $544.85
Shares after: 48,506
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F5

UTHR transaction

Common Stock

Sale

Transaction value: -$1,426,972
Shares: -2,615
Change %: -5.4%
Price: $545.69
Shares after: 45,891
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F6

UTHR transaction

Common Stock

Sale

Transaction value: -$392,977
Shares: -719
Change %: -1.6%
Price: $546.56
Shares after: 45,172
Date: 15 Oct 2026
Ownership: Direct
Footnotes: F1, F7

Reported derivative securities

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

UTHR transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares: -8,300
Change %: -21%
Price: $0.000000^*
Shares after: 30,940
Date: 15 Oct 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 8,300
Exercise price: $146.03
Footnotes: F1

^* 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 7 footnotes

Footnote F1

This is an exercise of stock options and sale of the resulting shares pursuant to a pre-arranged 10b5-1 plan entered into by the reporting person on August 11, 2025.

Footnote F2

This transaction was executed in multiple trades at prices ranging from $541.015 to $541.97. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F3

This transaction was executed in multiple trades at prices ranging from $542.035 to $542.98. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F4

This transaction was executed in multiple trades at prices ranging from $543.155 to $544.07. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F5

This transaction was executed in multiple trades at prices ranging from $544.22 to $545.17. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F6

This transaction was executed in multiple trades at prices ranging from $545.23 to $546.22. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Footnote F7

This transaction was executed in multiple trades at prices ranging from $546.27 to $547.06. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.