SEC Form 4 · accession 0001231589-26-000018
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
Aug 20, 2026
Accepted (ET)
Aug 21, 2026 · 4:43 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 | Aug 20, 2026 | M | 2,690 | $146.03 | A | 47,862 | D | |
| Common Stock | Aug 20, 2026 | M | 5,610 | $146.03 | A | 53,472 | D | |
| Common Stock | Aug 20, 2026 | S | 2,690 | $524.15 | D | 50,782 | D | |
| Common StockF2 | Aug 20, 2026 | S | 502 | $520.0331 | D | 50,280 | D | |
| Common StockF3 | Aug 20, 2026 | S | 1,819 | $521.0406 | D | 48,461 | D | |
| Common StockF4 | Aug 20, 2026 | S | 787 | $522.0036 | D | 47,674 | D | |
| Common StockF5 | Aug 20, 2026 | S | 850 | $522.7838 | D | 46,824 | D | |
| Common StockF6 | Aug 20, 2026 | S | 192 | $523.6897 | D | 46,632 | D | |
| Common StockF7 | Aug 20, 2026 | S | 940 | $525.2504 | D | 45,692 | D | |
| Common StockF8 | Aug 20, 2026 | S | 400 | $526.385 | D | 45,292 | D | |
| Common Stock | Aug 20, 2026 | S | 120 | $527.21 | 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 | Aug 20, 2026 | M | 2,690 | D | Mar 15, 2020 | Mar 15, 2027 | Common Stock | 2,690 | 0 | D |
| Stock Option | $146.03 | Aug 20, 2026 | M | 5,610 | D | Mar 15, 2020 | Mar 15, 2027 | Common Stock | 5,610 | 64,140 | 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 $519.33 to $520.25. 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 $520.36 to $521.34. 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 $521.39 to $522.335. 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 $522.43 to $523.38. 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 $523.45 to $523.90. 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 $524.57 to $525.435. 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 $526.145 to $526.625. 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.