Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.
Martine A. Rothblatt reported beneficial ownership of 1,725,721 shares, or 4.0% of United Therapeutics Corporation (UTHR) common stock. Her reported voting and dispositive authority covers 755,805 shares solely and 969,916 shares jointly. The reported total includes currently exercisable options to purchase 706,650 shares held directly and options to purchase 328,410 shares held by a family trust over which she shares voting and investment power. It also includes shares held through trusts, her spouse, and charitable organizations.
Key Figures
Beneficial ownership:1,725,721 sharesPercent of class:4.0%Sole voting and dispositive power:755,805 shares+3 more
6 metrics
Beneficial ownership1,725,721 sharesUnited Therapeutics Corporation common stock
Percent of class4.0%Martine A. Rothblatt's reported beneficial ownership
Sole voting and dispositive power755,805 sharesShares over which Martine A. Rothblatt reported sole power
Shared voting and dispositive power969,916 sharesShares over which Martine A. Rothblatt reported shared power
Currently exercisable options held directly706,650 sharesOptions to purchase shares included in reported beneficial ownership
Currently exercisable options held by a family trust328,410 sharesOptions to purchase shares included in reported beneficial ownership
Key Terms
beneficially owned, currently exercisable options, shared voting power, shared power to dispose or to direct the disposition of
4 terms
beneficially ownedregulatory
"Amount beneficially owned: 1,725,721 shares"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
currently exercisable optionsfinancial
"include currently exercisable options to purchase 706,650 shares"
shared voting powerregulatory
"Shared voting power: 969,916"
Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.
shared power to dispose or to direct the disposition ofregulatory
"Shared power to dispose or to direct the disposition of: 969,916"
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many UTHR shares did Martine A. Rothblatt report beneficially owning?
Martine A. Rothblatt reported beneficial ownership of 1,725,721 shares, equal to 4.0% of the class. The reported total includes currently exercisable options and shares held through trusts, her spouse, and charitable organizations.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 8)
United Therapeutics Corporation
(Name of Issuer)
Common Stock, par value $.01 per share
(Title of Class of Securities)
91307C102
(CUSIP Number)
09/30/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
91307C102
1
Names of Reporting Persons
Martine A. Rothblatt
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
755,805.00
6
Shared Voting Power
969,916.00
7
Sole Dispositive Power
755,805.00
8
Shared Dispositive Power
969,916.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,725,721.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
4.0 %
12
Type of Reporting Person (See Instructions)
IN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
United Therapeutics Corporation
(b)
Address of issuer's principal executive offices:
1000 Spring Street, Silver Spring, MD 20910
Item 2.
(a)
Name of person filing:
Martine A. Rothblatt
(b)
Address or principal business office or, if none, residence:
1000 Spring Street
Silver Spring, MD 20910
(c)
Citizenship:
United States of America
(d)
Title of class of securities:
Common Stock, par value $.01 per share
(e)
CUSIP No.:
91307C102
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
1,725,721 shares
(b)
Percent of class:
4.0%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
755,805
(ii) Shared power to vote or to direct the vote:
969,916
(iii) Sole power to dispose or to direct the disposition of:
755,805
(iv) Shared power to dispose or to direct the disposition of:
969,916
The shares beneficially owned by Dr. Rothblatt include currently exercisable options to purchase 706,650 shares held directly by Dr. Rothblatt and currently exercisable options to purchase 328,410 shares held by a family trust over which Dr. Rothblatt shares investment power and voting power. Also includes 8,642 shares held indirectly by trusts over which Dr. Rothblatt has sole investment power and sole voting power, 182,158 shares held indirectly by trusts over which Dr. Rothblatt's spouse has investment power and voting power, 300,443 shares held indirectly by trusts over which Dr. Rothblatt and her spouse have shared investment power and shared voting power, 91,210 additional shares held indirectly by trusts over which Dr. Rothblatt has shared investment power and shared voting power, 45,596 additional shares held indirectly by trusts over which Dr. Rothblatt's spouse has shared investment power and shared voting power, 166 shares held directly by Dr. Rothblatt's spouse, and 21,933 shares held by charitable organizations over which Dr. Rothblatt has shared investment and shared voting power.
Item 5.
Ownership of 5 Percent or Less of a Class.
Ownership of 5 percent or less of a class
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
Various individuals and entities are beneficiaries of or co-trustees of certain of the trusts. Other individuals are directors of the charitable organizations and the charitable organizations are the beneficiaries of the shares owned by them.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
Not Applicable
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
