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 $4.90M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 10 sales

ROTHBLATT MARTINE A

Filed: 8/19/2026ACC: 0001106578-26-000123

InsiderROTHBLATT MARTINE ACIK 1106578

→

IssuerUNITED THERAPEUTICS CORPCIK 1082554

DirectorOfficer· Chairperson & CEO

Since Mar 2026

-9.50K

Net shares

Net seller

$4.90M

Total sold

Open market trades

0B · 10S

Total transactions

9.50K acquired · 19K disposed

Non-Derivative Transactions11

Common Stock

Indirect

M · Option Exercise

+9.50K

Price / share

$135.42

Trade value

$1.29M

% of position

2.9%

8/18/2026

324.44K→333.94K

Common Stock

Indirect

S · Sale

−239.00

Price / share

$509.48

Trade value

$121.77K

% of position

0.1%

8/18/2026

333.94K→333.70K

Common Stock

Indirect

S · Sale

−231.00

Price / share

$510.47

Trade value

$117.92K

% of position

0.1%

8/18/2026

333.70K→333.47K

Common Stock

Indirect

S · Sale

−170.00

Price / share

$511.59

Trade value

$86.97K

% of position

0.1%

8/18/2026

333.47K→333.30K

Common Stock

Indirect

S · Sale

−439.00

Price / share

$513.06

Trade value

$225.23K

% of position

0.1%

8/18/2026

333.30K→332.86K

Common Stock

Indirect

S · Sale

−1.26K

Price / share

$514.18

Trade value

$649.92K

% of position

0.4%

8/18/2026

332.86K→331.60K

Common Stock

Indirect

S · Sale

−2.33K

Price / share

$514.99

Trade value

$1.20M

% of position

0.7%

8/18/2026

331.60K→329.27K

Common Stock

Indirect

S · Sale

−1.88K

Price / share

$516.04

Trade value

$970.16K

% of position

0.6%

8/18/2026

329.27K→327.39K

Common Stock

Indirect

S · Sale

−873.00

Price / share

$517.09

Trade value

$451.42K

% of position

0.3%

8/18/2026

327.39K→326.51K

Common Stock

Indirect

S · Sale

−1.63K

Price / share

$518.19

Trade value

$844.64K

% of position

0.5%

8/18/2026

326.51K→324.88K

Common Stock

Indirect

S · Sale

−441.00

Price / share

$518.65

Trade value

$228.72K

% of position

0.1%

8/18/2026

324.88K→324.44K

Total

Net shares

+0.00

Net value

-$3.61M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	8/18/2026	M · Option Exercise	+9.50K	$135.42	$1.29M	2.9%	324.44K	333.94K
Common Stock Indirect	8/18/2026	S · Sale	−239.00	$509.48	$121.77K	0.1%	333.94K	333.70K
Common Stock Indirect	8/18/2026	S · Sale	−231.00	$510.47	$117.92K	0.1%	333.70K	333.47K
Common Stock Indirect	8/18/2026	S · Sale	−170.00	$511.59	$86.97K	0.1%	333.47K	333.30K
Common Stock Indirect	8/18/2026	S · Sale	−439.00	$513.06	$225.23K	0.1%	333.30K	332.86K
Common Stock Indirect	8/18/2026	S · Sale	−1.26K	$514.18	$649.92K	0.4%	332.86K	331.60K
Common Stock Indirect	8/18/2026	S · Sale	−2.33K	$514.99	$1.20M	0.7%	331.60K	329.27K
Common Stock Indirect	8/18/2026	S · Sale	−1.88K	$516.04	$970.16K	0.6%	329.27K	327.39K
Common Stock Indirect	8/18/2026	S · Sale	−873.00	$517.09	$451.42K	0.3%	327.39K	326.51K
Common Stock Indirect	8/18/2026	S · Sale	−1.63K	$518.19	$844.64K	0.5%	326.51K	324.88K
Common Stock Indirect	8/18/2026	S · Sale	−441.00	$518.65	$228.72K	0.1%	324.88K	324.44K
Total			+0.00		-$3.61M

Derivative Transactions1

Stock Option

Indirect

M · Option Exercise

Converts to

Common Stock

9.50K shares

−9.50K

Strike price

135.42

Held after

113.41K

Exercisable

—

8/18/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Indirect	Common Stock9.50K shares	8/18/2026	M · Option Exercise	−9.50K	135.42	—	113.41K

Non-Derivative Holdings (Post-Transaction)5

Common Stock

Direct

Shares owned40.51K

Common Stock

Indirect

Shares owned249.11K

Common Stock

Indirect

Shares owned45.60K

Common Stock

Indirect

Shares owned8.90K

Common Stock

Indirect

Shares owned166.00

Total

40.51K direct·303.77K indirect344.29K

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

Derivative Holdings (Post-Transaction)0

No derivative holdings reported