Insider Paul Mahon plans more United Therapeutics (NASDAQ: UTHR) stock sales

Rhea-AI Filing Summary

Paul Mahon has filed a notice of proposed sale of 8,300 shares of United Therapeutics common stock, with an aggregate market value of 4,010,939.31. The shares are to be sold through Morgan Stanley Smith Barney LLC on or about 02/05/2026 on the NASDAQ.

The 8,300 shares to be sold were acquired on 02/05/2026 via a stock option exercise paid in cash. The filing also lists prior sales over the past three months, including four 11,000-share sales in November and December 2025 and two 8,300-share sales in January 2026, with gross proceeds ranging from 3,900,121.86 to 5,644,953.60. Shares outstanding are reported as 43,056,599.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	8300	4010939.31	43056599	02/05/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/05/2026	Stock Option Exercise	Issuer			8300	02/05/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
PAUL MAHON 1000 SPRING STREET SILVER SPRING MD 20910	Common	12/24/2025	11000	5644953.60
PAUL MAHON 1000 SPRING STREET SILVER SPRING MD 20910	Common	12/11/2025	11000	5331316.10
PAUL MAHON 1000 SPRING STREET SILVER SPRING MD 20910	Common	11/26/2025	11000	5346700.70
PAUL MAHON 1000 SPRING STREET SILVER SPRING MD 20910	Common	11/13/2025	11000	5112334.70
PAUL MAHON 1000 SPRING STREET SILVER SPRING MD 20910	Common	01/15/2026	8300	3900121.86
PAUL MAHON 1000 SPRING STREET SILVER SPRING MD 20910	Common	01/02/2026	8300	4029076.47

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)