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 $4.92M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 15 sales

ROTHBLATT MARTINE A

Filed: 8/24/2026ACC: 0001106578-26-000126

InsiderROTHBLATT MARTINE ACIK 1106578

→

IssuerUNITED THERAPEUTICS CORPCIK 1082554

DirectorOfficer· Chairperson & CEO

Since Mar 2026

-9.50K

Net shares

Net seller

$4.92M

Total sold

Open market trades

0B · 15S

Total transactions

9.50K acquired · 19K disposed

Non-Derivative Transactions16

Common Stock

Indirect

M · Option Exercise

+9.50K

Price / share

$135.42

Trade value

$1.29M

% of position

2.9%

8/21/2026

324.44K→333.94K

Common Stock

Indirect

S · Sale

−1.19K

Price / share

$512.71

Trade value

$609.62K

% of position

0.4%

8/21/2026

333.94K→332.75K

Common Stock

Indirect

S · Sale

−271.00

Price / share

$513.85

Trade value

$139.25K

% of position

0.1%

8/21/2026

332.75K→332.48K

Common Stock

Indirect

S · Sale

−624.00

Price / share

$515.26

Trade value

$321.52K

% of position

0.2%

8/21/2026

332.48K→331.86K

Common Stock

Indirect

S · Sale

−1.69K

Price / share

$516.15

Trade value

$871.78K

% of position

0.5%

8/21/2026

331.86K→330.17K

Common Stock

Indirect

S · Sale

−773.00

Price / share

$517.07

Trade value

$399.69K

% of position

0.2%

8/21/2026

330.17K→329.40K

Common Stock

Indirect

S · Sale

−1.08K

Price / share

$518.14

Trade value

$558.03K

% of position

0.3%

8/21/2026

329.40K→328.32K

Common Stock

Indirect

S · Sale

−837.00

Price / share

$519.09

Trade value

$434.47K

% of position

0.3%

8/21/2026

328.32K→327.48K

Common Stock

Indirect

S · Sale

−440.00

Price / share

$520.03

Trade value

$228.81K

% of position

0.1%

8/21/2026

327.48K→327.04K

Common Stock

Indirect

S · Sale

−371.00

Price / share

$521.28

Trade value

$193.40K

% of position

0.1%

8/21/2026

327.04K→326.67K

Common Stock

Indirect

S · Sale

−669.00

Price / share

$522.29

Trade value

$349.41K

% of position

0.2%

8/21/2026

326.67K→326K

Common Stock

Indirect

S · Sale

−455.00

Price / share

$523.62

Trade value

$238.25K

% of position

0.1%

8/21/2026

326K→325.55K

Common Stock

Indirect

S · Sale

−625.00

Price / share

$524.35

Trade value

$327.72K

% of position

0.2%

8/21/2026

325.55K→324.92K

Common Stock

Indirect

S · Sale

−235.00

Price / share

$525.42

Trade value

$123.47K

% of position

0.1%

8/21/2026

324.92K→324.69K

Common Stock

Indirect

S · Sale

−45.00

Price / share

$526.47

Trade value

$23.69K

% of position

0.0%

8/21/2026

324.69K→324.64K

Common Stock

Indirect

S · Sale

−200.00

Price / share

$527.71

Trade value

$105.54K

% of position

0.1%

8/21/2026

324.64K→324.44K

Total

Net shares

+0.00

Net value

-$3.64M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	8/21/2026	M · Option Exercise	+9.50K	$135.42	$1.29M	2.9%	324.44K	333.94K
Common Stock Indirect	8/21/2026	S · Sale	−1.19K	$512.71	$609.62K	0.4%	333.94K	332.75K
Common Stock Indirect	8/21/2026	S · Sale	−271.00	$513.85	$139.25K	0.1%	332.75K	332.48K
Common Stock Indirect	8/21/2026	S · Sale	−624.00	$515.26	$321.52K	0.2%	332.48K	331.86K
Common Stock Indirect	8/21/2026	S · Sale	−1.69K	$516.15	$871.78K	0.5%	331.86K	330.17K
Common Stock Indirect	8/21/2026	S · Sale	−773.00	$517.07	$399.69K	0.2%	330.17K	329.40K
Common Stock Indirect	8/21/2026	S · Sale	−1.08K	$518.14	$558.03K	0.3%	329.40K	328.32K
Common Stock Indirect	8/21/2026	S · Sale	−837.00	$519.09	$434.47K	0.3%	328.32K	327.48K
Common Stock Indirect	8/21/2026	S · Sale	−440.00	$520.03	$228.81K	0.1%	327.48K	327.04K
Common Stock Indirect	8/21/2026	S · Sale	−371.00	$521.28	$193.40K	0.1%	327.04K	326.67K
Common Stock Indirect	8/21/2026	S · Sale	−669.00	$522.29	$349.41K	0.2%	326.67K	326K
Common Stock Indirect	8/21/2026	S · Sale	−455.00	$523.62	$238.25K	0.1%	326K	325.55K
Common Stock Indirect	8/21/2026	S · Sale	−625.00	$524.35	$327.72K	0.2%	325.55K	324.92K
Common Stock Indirect	8/21/2026	S · Sale	−235.00	$525.42	$123.47K	0.1%	324.92K	324.69K
Common Stock Indirect	8/21/2026	S · Sale	−45.00	$526.47	$23.69K	0.0%	324.69K	324.64K
Common Stock Indirect	8/21/2026	S · Sale	−200.00	$527.71	$105.54K	0.1%	324.64K	324.44K
Total			+0.00		-$3.64M

Derivative Transactions1

Stock Option

Indirect

M · Option Exercise

Converts to

Common Stock

9.50K shares

−9.50K

Strike price

135.42

Held after

84.91K

Exercisable

—

8/21/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Indirect	Common Stock9.50K shares	8/21/2026	M · Option Exercise	−9.50K	135.42	—	84.91K

Non-Derivative Holdings (Post-Transaction)5

Common Stock

Indirect

Shares owned45.60K

Common Stock

Indirect

Shares owned166.00

Common Stock

Indirect

Shares owned8.90K

Common Stock

Direct

Shares owned40.51K

Common Stock

Indirect

Shares owned249.11K

Total

40.51K direct·303.77K indirect344.29K

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

Derivative Holdings (Post-Transaction)0

No derivative holdings reported