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 · 11 sales

ROTHBLATT MARTINE A

Filed: 8/31/2026ACC: 0001106578-26-000131

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 · 11S

Total transactions

9.50K acquired · 19K disposed

Non-Derivative Transactions12

Common Stock

Indirect

M · Option Exercise

+9.50K

Price / share

$135.42

Trade value

$1.29M

% of position

2.9%

8/28/2026

324.44K→333.94K

Common Stock

Indirect

S · Sale

−480.00

Price / share

$514.26

Trade value

$246.84K

% of position

0.1%

8/28/2026

333.94K→333.46K

Common Stock

Indirect

S · Sale

−1.63K

Price / share

$515.46

Trade value

$840.20K

% of position

0.5%

8/28/2026

333.46K→331.83K

Common Stock

Indirect

S · Sale

−2.39K

Price / share

$516.16

Trade value

$1.23M

% of position

0.7%

8/28/2026

331.83K→329.45K

Common Stock

Indirect

S · Sale

−1.49K

Price / share

$517.11

Trade value

$768.42K

% of position

0.5%

8/28/2026

329.45K→327.96K

Common Stock

Indirect

S · Sale

−1.35K

Price / share

$518.14

Trade value

$697.42K

% of position

0.4%

8/28/2026

327.96K→326.62K

Common Stock

Indirect

S · Sale

−412.00

Price / share

$519.19

Trade value

$213.91K

% of position

0.1%

8/28/2026

326.62K→326.20K

Common Stock

Indirect

S · Sale

−751.00

Price / share

$520.30

Trade value

$390.74K

% of position

0.2%

8/28/2026

326.20K→325.45K

Common Stock

Indirect

S · Sale

−286.00

Price / share

$521.58

Trade value

$149.17K

% of position

0.1%

8/28/2026

325.45K→325.17K

Common Stock

Indirect

S · Sale

−517.00

Price / share

$522.40

Trade value

$270.08K

% of position

0.2%

8/28/2026

325.17K→324.65K

Common Stock

Indirect

S · Sale

−6.00

Price / share

$523.42

Trade value

$3.14K

% of position

0.0%

8/28/2026

324.65K→324.64K

Common Stock

Indirect

S · Sale

−200.00

Price / share

$524.42

Trade value

$104.88K

% of position

0.1%

8/28/2026

324.64K→324.44K

Total

Net shares

+0.00

Net value

-$3.63M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	8/28/2026	M · Option Exercise	+9.50K	$135.42	$1.29M	2.9%	324.44K	333.94K
Common Stock Indirect	8/28/2026	S · Sale	−480.00	$514.26	$246.84K	0.1%	333.94K	333.46K
Common Stock Indirect	8/28/2026	S · Sale	−1.63K	$515.46	$840.20K	0.5%	333.46K	331.83K
Common Stock Indirect	8/28/2026	S · Sale	−2.39K	$516.16	$1.23M	0.7%	331.83K	329.45K
Common Stock Indirect	8/28/2026	S · Sale	−1.49K	$517.11	$768.42K	0.5%	329.45K	327.96K
Common Stock Indirect	8/28/2026	S · Sale	−1.35K	$518.14	$697.42K	0.4%	327.96K	326.62K
Common Stock Indirect	8/28/2026	S · Sale	−412.00	$519.19	$213.91K	0.1%	326.62K	326.20K
Common Stock Indirect	8/28/2026	S · Sale	−751.00	$520.30	$390.74K	0.2%	326.20K	325.45K
Common Stock Indirect	8/28/2026	S · Sale	−286.00	$521.58	$149.17K	0.1%	325.45K	325.17K
Common Stock Indirect	8/28/2026	S · Sale	−517.00	$522.40	$270.08K	0.2%	325.17K	324.65K
Common Stock Indirect	8/28/2026	S · Sale	−6.00	$523.42	$3.14K	0.0%	324.65K	324.64K
Common Stock Indirect	8/28/2026	S · Sale	−200.00	$524.42	$104.88K	0.1%	324.64K	324.44K
Total			+0.00		-$3.63M

Derivative Transactions1

Stock Option

Indirect

M · Option Exercise

Converts to

Common Stock

9.50K shares

−9.50K

Strike price

135.42

Held after

37.41K

Exercisable

—

8/28/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Indirect	Common Stock9.50K shares	8/28/2026	M · Option Exercise	−9.50K	135.42	—	37.41K

Non-Derivative Holdings (Post-Transaction)5

Common Stock

Direct

Shares owned40.51K

Common Stock

Indirect

Shares owned8.90K

Common Stock

Indirect

Shares owned249.11K

Common Stock

Indirect

Shares owned166.00

Common Stock

Indirect

Shares owned45.60K

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

Derivative Holdings (Post-Transaction)0

No derivative holdings reported