SEC Form 4 · accession 0001231589-26-000020
UNITED THERAPEUTICS Corp · UTHR
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Paul A Mahon
Officer — EVP & GENERAL COUNSEL
Period of report
Sep 17, 2026
Accepted (ET)
Sep 18, 2026 · 4:40 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001082554
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 17, 2026 | M | 8,300 | $146.03 | A | 53,472 | D | |
| Common StockF2 | Sep 17, 2026 | S | 1,579 | $495.967 | D | 51,893 | D | |
| Common StockF3 | Sep 17, 2026 | S | 2,873 | $496.5758 | D | 49,020 | D | |
| Common StockF4 | Sep 17, 2026 | S | 1,400 | $497.5434 | D | 47,620 | D | |
| Common StockF5 | Sep 17, 2026 | S | 843 | $498.737 | D | 46,777 | D | |
| Common StockF6 | Sep 17, 2026 | S | 1,160 | $499.7515 | D | 45,617 | D | |
| Common StockF7 | Sep 17, 2026 | S | 125 | $500.8018 | D | 45,492 | D | |
| Common StockF8 | Sep 17, 2026 | S | 320 | $501.5806 | D | 45,172 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Stock Option | $146.03 | Sep 17, 2026 | M | 8,300 | D | Mar 15, 2020 | Mar 15, 2027 | Common Stock | 8,300 | 47,540 | D |
Explanation of responses
- F1This 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.
- F2This transaction was executed in multiple trades at prices ranging from $495.09 to $496.07. 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.
- F3This transaction was executed in multiple trades at prices ranging from $496.12 to $497.09. 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.
- F4This transaction was executed in multiple trades at prices ranging from $497.12 to $498.05. 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.
- F5This transaction was executed in multiple trades at prices ranging from $498.3225 to $498.9375. 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.
- F6This transaction was executed in multiple trades at prices ranging from $499.355 to $500.24. 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.
- F7This transaction was executed in multiple trades at prices ranging from $500.485 to $501.095. 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.
- F8This transaction was executed in multiple trades at prices ranging from $501.53 to $501.61. 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.