ROTHBLATT MARTINE A (Chairperson & CEO) sold 2.8% of their position (9.50K shares) of UNITED THERAPEUTICS CORP on the open market

Open‑market sale worth $4.79M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 12 sales

ROTHBLATT MARTINE A

Filed: 8/14/2026ACC: 0001106578-26-000120

InsiderROTHBLATT MARTINE ACIK 1106578

→

IssuerUNITED THERAPEUTICS CORPCIK 1082554

DirectorOfficer· Chairperson & CEO

Since Mar 2026

-9.50K

Net shares

Net seller

$4.79M

Total sold

Open market trades

0B · 12S

Total transactions

9.50K acquired · 19K disposed

Non-Derivative Transactions13

Common Stock

Indirect

M · Option Exercise

+9.50K

Price / share

$135.42

Trade value

$1.29M

% of position

2.9%

8/13/2026

324.44K→333.94K

Common Stock

Indirect

S · Sale

−1.25K

Price / share

$500.08

Trade value

$626.60K

% of position

0.4%

8/13/2026

333.94K→332.69K

Common Stock

Indirect

S · Sale

−1.33K

Price / share

$500.93

Trade value

$665.24K

% of position

0.4%

8/13/2026

332.69K→331.36K

Common Stock

Indirect

S · Sale

−1.52K

Price / share

$501.88

Trade value

$762.35K

% of position

0.5%

8/13/2026

331.36K→329.84K

Common Stock

Indirect

S · Sale

−440.00

Price / share

$502.93

Trade value

$221.29K

% of position

0.1%

8/13/2026

329.84K→329.40K

Common Stock

Indirect

S · Sale

−160.00

Price / share

$503.83

Trade value

$80.61K

% of position

0.0%

8/13/2026

329.40K→329.24K

Common Stock

Indirect

S · Sale

−961.00

Price / share

$505.18

Trade value

$485.48K

% of position

0.3%

8/13/2026

329.24K→328.28K

Common Stock

Indirect

S · Sale

−1.68K

Price / share

$506.16

Trade value

$849.84K

% of position

0.5%

8/13/2026

328.28K→326.60K

Common Stock

Indirect

S · Sale

−920.00

Price / share

$507.14

Trade value

$466.57K

% of position

0.3%

8/13/2026

326.60K→325.68K

Common Stock

Indirect

S · Sale

−640.00

Price / share

$508.76

Trade value

$325.61K

% of position

0.2%

8/13/2026

325.68K→325.04K

Common Stock

Indirect

S · Sale

−200.00

Price / share

$509.92

Trade value

$101.98K

% of position

0.1%

8/13/2026

325.04K→324.84K

Common Stock

Indirect

S · Sale

−160.00

Price / share

$511.12

Trade value

$81.78K

% of position

0.0%

8/13/2026

324.84K→324.68K

Common Stock

Indirect

S · Sale

−240.00

Price / share

$512.36

Trade value

$122.97K

% of position

0.1%

8/13/2026

324.68K→324.44K

Total

Net shares

+0.00

Net value

-$3.50M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	8/13/2026	M · Option Exercise	+9.50K	$135.42	$1.29M	2.9%	324.44K	333.94K
Common Stock Indirect	8/13/2026	S · Sale	−1.25K	$500.08	$626.60K	0.4%	333.94K	332.69K
Common Stock Indirect	8/13/2026	S · Sale	−1.33K	$500.93	$665.24K	0.4%	332.69K	331.36K
Common Stock Indirect	8/13/2026	S · Sale	−1.52K	$501.88	$762.35K	0.5%	331.36K	329.84K
Common Stock Indirect	8/13/2026	S · Sale	−440.00	$502.93	$221.29K	0.1%	329.84K	329.40K
Common Stock Indirect	8/13/2026	S · Sale	−160.00	$503.83	$80.61K	0.0%	329.40K	329.24K
Common Stock Indirect	8/13/2026	S · Sale	−961.00	$505.18	$485.48K	0.3%	329.24K	328.28K
Common Stock Indirect	8/13/2026	S · Sale	−1.68K	$506.16	$849.84K	0.5%	328.28K	326.60K
Common Stock Indirect	8/13/2026	S · Sale	−920.00	$507.14	$466.57K	0.3%	326.60K	325.68K
Common Stock Indirect	8/13/2026	S · Sale	−640.00	$508.76	$325.61K	0.2%	325.68K	325.04K
Common Stock Indirect	8/13/2026	S · Sale	−200.00	$509.92	$101.98K	0.1%	325.04K	324.84K
Common Stock Indirect	8/13/2026	S · Sale	−160.00	$511.12	$81.78K	0.0%	324.84K	324.68K
Common Stock Indirect	8/13/2026	S · Sale	−240.00	$512.36	$122.97K	0.1%	324.68K	324.44K
Total			+0.00		-$3.50M

Derivative Transactions1

Stock Option

Indirect

M · Option Exercise

Converts to

Common Stock

9.50K shares

−9.50K

Strike price

135.42

Held after

141.91K

Exercisable

—

8/13/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Indirect	Common Stock9.50K shares	8/13/2026	M · Option Exercise	−9.50K	135.42	—	141.91K

Non-Derivative Holdings (Post-Transaction)5

Common Stock

Indirect

Shares owned8.90K

Common Stock

Indirect

Shares owned249.11K

Common Stock

Direct

Shares owned40.51K

Common Stock

Indirect

Shares owned45.60K

Common Stock

Indirect

Shares owned166.00

Total

40.51K direct·303.77K indirect344.29K

Security Title	Shares Owned	Ownership Type
Common Stock	8.90K	Indirect
Common Stock	249.11K	Indirect
Common Stock	40.51K	Direct
Common Stock	45.60K	Indirect
Common Stock	166.00	Indirect
Total	344.29K	40.51K direct·303.77K indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported