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 $4.86M — a minor trim. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 8 sales

ROTHBLATT MARTINE A

Filed: 9/1/2026ACC: 0001106578-26-000132

InsiderROTHBLATT MARTINE ACIK 1106578

→

IssuerUNITED THERAPEUTICS CORPCIK 1082554

DirectorOfficer· Chairperson & CEO

Since Mar 2026

-9.50K

Net shares

Net seller

$4.86M

Total sold

Open market trades

0B · 8S

Total transactions

9.50K acquired · 19K disposed

Non-Derivative Transactions9

Common Stock

Indirect

M · Option Exercise

+9.50K

Price / share

$135.42

Trade value

$1.29M

% of position

2.9%

8/31/2026

324.44K→333.94K

Common Stock

Indirect

S · Sale

−599.00

Price / share

$507.84

Trade value

$304.20K

% of position

0.2%

8/31/2026

333.94K→333.34K

Common Stock

Indirect

S · Sale

−794.00

Price / share

$508.92

Trade value

$404.08K

% of position

0.2%

8/31/2026

333.34K→332.55K

Common Stock

Indirect

S · Sale

−810.00

Price / share

$509.84

Trade value

$412.97K

% of position

0.2%

8/31/2026

332.55K→331.74K

Common Stock

Indirect

S · Sale

−4.22K

Price / share

$510.93

Trade value

$2.15M

% of position

1.3%

8/31/2026

331.74K→327.52K

Common Stock

Indirect

S · Sale

−1.60K

Price / share

$511.75

Trade value

$818.80K

% of position

0.5%

8/31/2026

327.52K→325.92K

Common Stock

Indirect

S · Sale

−678.00

Price / share

$513.50

Trade value

$348.15K

% of position

0.2%

8/31/2026

325.92K→325.25K

Common Stock

Indirect

S · Sale

−762.00

Price / share

$514.32

Trade value

$391.91K

% of position

0.2%

8/31/2026

325.25K→324.48K

Common Stock

Indirect

S · Sale

−40.00

Price / share

$514.96

Trade value

$20.60K

% of position

0.0%

8/31/2026

324.48K→324.44K

Total

Net shares

+0.00

Net value

-$3.57M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	8/31/2026	M · Option Exercise	+9.50K	$135.42	$1.29M	2.9%	324.44K	333.94K
Common Stock Indirect	8/31/2026	S · Sale	−599.00	$507.84	$304.20K	0.2%	333.94K	333.34K
Common Stock Indirect	8/31/2026	S · Sale	−794.00	$508.92	$404.08K	0.2%	333.34K	332.55K
Common Stock Indirect	8/31/2026	S · Sale	−810.00	$509.84	$412.97K	0.2%	332.55K	331.74K
Common Stock Indirect	8/31/2026	S · Sale	−4.22K	$510.93	$2.15M	1.3%	331.74K	327.52K
Common Stock Indirect	8/31/2026	S · Sale	−1.60K	$511.75	$818.80K	0.5%	327.52K	325.92K
Common Stock Indirect	8/31/2026	S · Sale	−678.00	$513.50	$348.15K	0.2%	325.92K	325.25K
Common Stock Indirect	8/31/2026	S · Sale	−762.00	$514.32	$391.91K	0.2%	325.25K	324.48K
Common Stock Indirect	8/31/2026	S · Sale	−40.00	$514.96	$20.60K	0.0%	324.48K	324.44K
Total			+0.00		-$3.57M

Derivative Transactions1

Stock Option

Indirect

M · Option Exercise

Converts to

Common Stock

9.50K shares

−9.50K

Strike price

135.42

Held after

27.91K

Exercisable

—

8/31/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Indirect	Common Stock9.50K shares	8/31/2026	M · Option Exercise	−9.50K	135.42	—	27.91K

Non-Derivative Holdings (Post-Transaction)5

Common Stock

Direct

Shares owned40.51K

Common Stock

Indirect

Shares owned8.90K

Common Stock

Indirect

Shares owned45.60K

Common Stock

Indirect

Shares owned249.11K

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	8.90K	Indirect
Common Stock	45.60K	Indirect
Common Stock	249.11K	Indirect
Common Stock	166.00	Indirect
Total	344.29K	40.51K direct·303.77K indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported