Senior insider sale

Chairperson & CEO at UNITED THERAPEUTICS CORP — senior position signals high conviction

$420.80M

798K shares

What this filing means

ROTHBLATT MARTINE A plans to sell 798K shares of UNITED THERAPEUTICS CORP valued at approximately $420.80M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

ROTHBLATT MARTINE A

Filed: 9/1/2026ACC: 0001950047-26-008966

InsiderROTHBLATT MARTINE ACIK 1106578

→

IssuerUNITED THERAPEUTICS CORPCIK 1082554

DirectorOfficer· Chairperson & CEO

Since Mar 2026

798K

Shares to sell

$420.80M

Approx. market value

199.50K

Acquired (3 months)

Planned

63 completed

Securities Acquired — Last 3 Months1

Sort

Exercise of Stock Options

Cash

9/1/2026

199.50K

Total acquired199.50K

Acquisition Date	Type	Amount Acquired	Gift
9/1/2026	Exercise of Stock Options Cash	199.50K	—
Total		199.50K

Planned & Completed Dispositions64

Sort

Completed

—Completed

Units to sell

9.50K

Market value

$4.86M

8/31/2026

—Completed

Units to sell

9.50K

Market value

$4.92M

8/28/2026

—Completed

Units to sell

9.50K

Market value

$4.96M

8/27/2026

—Completed

Units to sell

9.50K

Market value

$4.91M

8/26/2026

—Completed

Units to sell

9.50K

Market value

$4.92M

8/25/2026

—Completed

Units to sell

9.50K

Market value

$4.86M

8/24/2026

—Completed

Units to sell

9.50K

Market value

$4.92M

8/21/2026

—Completed

Units to sell

9.50K

Market value

$4.95M

8/20/2026

—Completed

Units to sell

9.50K

Market value

$5.01M

8/19/2026

—Completed

Units to sell

9.50K

Market value

$4.90M

8/18/2026

—Completed

Units to sell

9.50K

Market value

$4.81M

8/17/2026

—Completed

Units to sell

9.50K

Market value

$4.74M

8/14/2026

—Completed

Units to sell

9.50K

Market value

$4.79M

8/13/2026

—Completed

Units to sell

9.50K

Market value

$4.89M

8/12/2026

—Completed

Units to sell

9.50K

Market value

$4.97M

8/11/2026

—Completed

Units to sell

9.50K

Market value

$5.04M

8/10/2026

—Completed

Units to sell

9.50K

Market value

$5.05M

8/7/2026

—Completed

Units to sell

9.50K

Market value

$4.99M

8/6/2026

—Completed

Units to sell

9.50K

Market value

$4.93M

8/5/2026

—Completed

Units to sell

9.50K

Market value

$4.91M

8/4/2026

—Completed

Units to sell

9.50K

Market value

$4.90M

8/3/2026

—Completed

Units to sell

9.50K

Market value

$4.93M

7/31/2026

—Completed

Units to sell

9.50K

Market value

$4.99M

7/30/2026

—Completed

Units to sell

9.50K

Market value

$4.96M

7/29/2026

—Completed

Units to sell

9.50K

Market value

$5.00M

7/28/2026

—Completed

Units to sell

9.50K

Market value

$5.04M

7/27/2026

—Completed

Units to sell

9.50K

Market value

$5.05M

7/24/2026

—Completed

Units to sell

9.50K

Market value

$5.02M

7/23/2026

—Completed

Units to sell

9.50K

Market value

$5.04M

7/22/2026

—Completed

Units to sell

9.50K

Market value

$5.06M

7/21/2026

—Completed

Units to sell

9.50K

Market value

$5.05M

7/20/2026

—Completed

Units to sell

9.50K

Market value

$5.10M

7/17/2026

—Completed

Units to sell

9.50K

Market value

$5.04M

7/16/2026

—Completed

Units to sell

9.50K

Market value

$5.04M

7/15/2026

—Completed

Units to sell

9.50K

Market value

$5.00M

7/14/2026

—Completed

Units to sell

9.50K

Market value

$5.09M

7/13/2026

—Completed

Units to sell

9.50K

Market value

$5.17M

7/10/2026

—Completed

Units to sell

9.50K

Market value

$5.24M

7/9/2026

—Completed

Units to sell

9.50K

Market value

$5.26M

7/8/2026

—Completed

Units to sell

9.50K

Market value

$5.31M

7/7/2026

—Completed

Units to sell

9.50K

Market value

$5.22M

7/6/2026

—Completed

Units to sell

9.50K

Market value

$5.27M

7/2/2026

—Completed

Units to sell

9.50K

Market value

$5.16M

7/1/2026

—Completed

Units to sell

9.50K

Market value

$5.14M

6/30/2026

—Completed

Units to sell

9.50K

Market value

$5.19M

6/29/2026

—Completed

Units to sell

9.50K

Market value

$5.17M

6/26/2026

—Completed

Units to sell

9.50K

Market value

$5.23M

6/25/2026

—Completed

Units to sell

9.50K

Market value

$5.21M

6/24/2026

—Completed

Units to sell

9.50K

Market value

$5.17M

6/23/2026

—Completed

Units to sell

9.50K

Market value

$5.11M

6/22/2026

—Completed

Units to sell

9.50K

Market value

$5.13M

6/18/2026

—Completed

Units to sell

9.50K

Market value

$5.25M

6/17/2026

—Completed

Units to sell

9.50K

Market value

$5.22M

6/16/2026

—Completed

Units to sell

9.50K

Market value

$5.22M

6/15/2026

—Completed

Units to sell

9.50K

Market value

$5.14M

6/12/2026

—Completed

Units to sell

9.50K

Market value

$5.22M

6/11/2026

—Completed

Units to sell

9.50K

Market value

$5.19M

6/10/2026

—Completed

Units to sell

9.50K

Market value

$5.22M

6/9/2026

—Completed

Units to sell

9.50K

Market value

$5.20M

6/8/2026

—Completed

Units to sell

9.50K

Market value

$5.20M

6/5/2026

—Completed

Units to sell

9.50K

Market value

$5.19M

6/4/2026

—Completed

Units to sell

9.50K

Market value

$5.20M

6/3/2026

—Completed

Units to sell

9.50K

Market value

$5.11M

6/2/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

199.50K

Market value

$101.82M

9/1/2026

Total

Units

798K

Value

$420.80M

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
8/31/2026	9.50K	$4.86M	—	Completed
8/28/2026	9.50K	$4.92M	—	Completed
8/27/2026	9.50K	$4.96M	—	Completed
8/26/2026	9.50K	$4.91M	—	Completed
8/25/2026	9.50K	$4.92M	—	Completed
8/24/2026	9.50K	$4.86M	—	Completed
8/21/2026	9.50K	$4.92M	—	Completed
8/20/2026	9.50K	$4.95M	—	Completed
8/19/2026	9.50K	$5.01M	—	Completed
8/18/2026	9.50K	$4.90M	—	Completed
8/17/2026	9.50K	$4.81M	—	Completed
8/14/2026	9.50K	$4.74M	—	Completed
8/13/2026	9.50K	$4.79M	—	Completed
8/12/2026	9.50K	$4.89M	—	Completed
8/11/2026	9.50K	$4.97M	—	Completed
8/10/2026	9.50K	$5.04M	—	Completed
8/7/2026	9.50K	$5.05M	—	Completed
8/6/2026	9.50K	$4.99M	—	Completed
8/5/2026	9.50K	$4.93M	—	Completed
8/4/2026	9.50K	$4.91M	—	Completed
8/3/2026	9.50K	$4.90M	—	Completed
7/31/2026	9.50K	$4.93M	—	Completed
7/30/2026	9.50K	$4.99M	—	Completed
7/29/2026	9.50K	$4.96M	—	Completed
7/28/2026	9.50K	$5.00M	—	Completed
7/27/2026	9.50K	$5.04M	—	Completed
7/24/2026	9.50K	$5.05M	—	Completed
7/23/2026	9.50K	$5.02M	—	Completed
7/22/2026	9.50K	$5.04M	—	Completed
7/21/2026	9.50K	$5.06M	—	Completed
7/20/2026	9.50K	$5.05M	—	Completed
7/17/2026	9.50K	$5.10M	—	Completed
7/16/2026	9.50K	$5.04M	—	Completed
7/15/2026	9.50K	$5.04M	—	Completed
7/14/2026	9.50K	$5.00M	—	Completed
7/13/2026	9.50K	$5.09M	—	Completed
7/10/2026	9.50K	$5.17M	—	Completed
7/9/2026	9.50K	$5.24M	—	Completed
7/8/2026	9.50K	$5.26M	—	Completed
7/7/2026	9.50K	$5.31M	—	Completed
7/6/2026	9.50K	$5.22M	—	Completed
7/2/2026	9.50K	$5.27M	—	Completed
7/1/2026	9.50K	$5.16M	—	Completed
6/30/2026	9.50K	$5.14M	—	Completed
6/29/2026	9.50K	$5.19M	—	Completed
6/26/2026	9.50K	$5.17M	—	Completed
6/25/2026	9.50K	$5.23M	—	Completed
6/24/2026	9.50K	$5.21M	—	Completed
6/23/2026	9.50K	$5.17M	—	Completed
6/22/2026	9.50K	$5.11M	—	Completed
6/18/2026	9.50K	$5.13M	—	Completed
6/17/2026	9.50K	$5.25M	—	Completed
6/16/2026	9.50K	$5.22M	—	Completed
6/15/2026	9.50K	$5.22M	—	Completed
6/12/2026	9.50K	$5.14M	—	Completed
6/11/2026	9.50K	$5.22M	—	Completed
6/10/2026	9.50K	$5.19M	—	Completed
6/9/2026	9.50K	$5.22M	—	Completed
6/8/2026	9.50K	$5.20M	—	Completed
6/5/2026	9.50K	$5.20M	—	Completed
6/4/2026	9.50K	$5.19M	—	Completed
6/3/2026	9.50K	$5.20M	—	Completed
6/2/2026	9.50K	$5.11M	—	Completed
Planned — Approximate Date
9/1/2026	199.50K	$101.82M	NASDAQ	Planned
Total	798K	$420.80M