ROTHBLATT MARTINE A (Chairperson & CEO) sold 19.0% of their position (9.50K shares) of UNITED THERAPEUTICS CORP on the open market

Open‑market sale worth $5.47M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 9 sales

ROTHBLATT MARTINE A

Filed: 5/28/2026ACC: 0001106578-26-000063

InsiderROTHBLATT MARTINE ACIK 1106578

→

IssuerUNITED THERAPEUTICS CORPCIK 1082554

DirectorOfficer· Chairperson & CEO

Since Mar 2026

-9.50K

Net shares

Net seller

$5.47M

Total sold

Open market trades

0B · 9S

Total transactions

9.50K acquired · 19K disposed

Non-Derivative Transactions10

Common Stock

Direct

M · Option Exercise

+9.50K

Price / share

$146.03

Trade value

$1.39M

% of position

23.4%

5/27/2026

40.51K→50.01K

Common Stock

Direct

S · Sale

−1.48K

Price / share

$570.81

Trade value

$844.23K

% of position

3.0%

5/27/2026

50.01K→48.53K

Common Stock

Direct

S · Sale

−581.00

Price / share

$571.55

Trade value

$332.07K

% of position

1.2%

5/27/2026

48.53K→47.95K

Common Stock

Direct

S · Sale

−320.00

Price / share

$572.45

Trade value

$183.18K

% of position

0.7%

5/27/2026

47.95K→47.63K

Common Stock

Direct

S · Sale

−440.00

Price / share

$574.23

Trade value

$252.66K

% of position

0.9%

5/27/2026

47.63K→47.19K

Common Stock

Direct

S · Sale

−680.00

Price / share

$575.50

Trade value

$391.34K

% of position

1.4%

5/27/2026

47.19K→46.51K

Common Stock

Direct

S · Sale

−2.47K

Price / share

$576.23

Trade value

$1.42M

% of position

5.3%

5/27/2026

46.51K→44.04K

Common Stock

Direct

S · Sale

−1.76K

Price / share

$577.24

Trade value

$1.01M

% of position

4.0%

5/27/2026

44.04K→42.29K

Common Stock

Direct

S · Sale

−1.70K

Price / share

$578.22

Trade value

$980.08K

% of position

4.0%

5/27/2026

42.29K→40.59K

Common Stock

Direct

S · Sale

−80.00

Price / share

$579.59

Trade value

$46.37K

% of position

0.2%

5/27/2026

40.59K→40.51K

Total

Net shares

+0.00

Net value

-$4.08M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	5/27/2026	M · Option Exercise	+9.50K	$146.03	$1.39M	23.4%	40.51K	50.01K
Common Stock Direct	5/27/2026	S · Sale	−1.48K	$570.81	$844.23K	3.0%	50.01K	48.53K
Common Stock Direct	5/27/2026	S · Sale	−581.00	$571.55	$332.07K	1.2%	48.53K	47.95K
Common Stock Direct	5/27/2026	S · Sale	−320.00	$572.45	$183.18K	0.7%	47.95K	47.63K
Common Stock Direct	5/27/2026	S · Sale	−440.00	$574.23	$252.66K	0.9%	47.63K	47.19K
Common Stock Direct	5/27/2026	S · Sale	−680.00	$575.50	$391.34K	1.4%	47.19K	46.51K
Common Stock Direct	5/27/2026	S · Sale	−2.47K	$576.23	$1.42M	5.3%	46.51K	44.04K
Common Stock Direct	5/27/2026	S · Sale	−1.76K	$577.24	$1.01M	4.0%	44.04K	42.29K
Common Stock Direct	5/27/2026	S · Sale	−1.70K	$578.22	$980.08K	4.0%	42.29K	40.59K
Common Stock Direct	5/27/2026	S · Sale	−80.00	$579.59	$46.37K	0.2%	40.59K	40.51K
Total			+0.00		-$4.08M

Derivative Transactions1

Stock Option

Direct

M · Option Exercise

Converts to

Common Stock

9.50K shares

−9.50K

Strike price

146.03

Held after

154.91K

Exercisable

—

5/27/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option Direct	Common Stock9.50K shares	5/27/2026	M · Option Exercise	−9.50K	146.03	—	154.91K

Non-Derivative Holdings (Post-Transaction)5

Common Stock

Indirect

Shares owned324.44K

Common Stock

Indirect

Shares owned45.60K

Common Stock

Indirect

Shares owned166.00

Common Stock

Indirect

Shares owned8.90K

Common Stock

Indirect

Shares owned249.11K

Total

628.22K indirect628.22K

Security Title	Shares Owned	Ownership Type
Common Stock	324.44K	Indirect
Common Stock	45.60K	Indirect
Common Stock	166.00	Indirect
Common Stock	8.90K	Indirect
Common Stock	249.11K	Indirect
Total	628.22K	628.22K indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported