DEC TIMOTHY C (Senior Vice-President & CFO) received a stock award from SUPERNUS PHARMACEUTICALS, INC.

Compensation award — not an open‑market transaction. Less informative as a directional signal.

A · 3 awards

DEC TIMOTHY C

Filed: 2/25/2026ACC: 0001194020-26-000004

InsiderDEC TIMOTHY CCIK 1194020

→

IssuerSUPERNUS PHARMACEUTICALS, INC.CIK 1356576

Officer· Senior Vice-President & CFO

Since Aug 2021

-2.37K

Net shares

Net seller

$120.8K

Total sold

Open market trades

0B · 0S

Total transactions

4.63K acquired · 6.99K disposed

Non-Derivative Transactions6

Common Stock

Direct

A · Award

+1.13K

Price / share

—

Trade value

—

% of position

68.7%

2/24/2026

1.64K→2.76K

Common Stock

Direct

F · Tax Withholding

−603.00

Price / share

$51.35

Trade value

$30.96K

% of position

21.8%

2/24/2026

2.76K→2.16K

Common Stock

Direct

A · Award

+500.00

Price / share

—

Trade value

—

% of position

23.1%

2/24/2026

2.16K→2.66K

Common Stock

Direct

F · Tax Withholding

−242.00

Price / share

$50.86

Trade value

$12.31K

% of position

9.1%

2/24/2026

2.66K→2.42K

Common Stock

Direct

A · Award

+3K

Price / share

—

Trade value

—

% of position

124.1%

2/24/2026

2.42K→5.42K

Common Stock

Direct

F · Tax Withholding

−1.52K

Price / share

$50.86

Trade value

$77.51K

% of position

28.1%

2/24/2026

5.42K→3.89K

Total

Net shares

+2.26K

Net value

-$120.78K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/24/2026	A · Award	+1.13K	—	—	68.7%	1.64K	2.76K
Common Stock Direct	2/24/2026	F · Tax Withholding	−603.00	$51.35	$30.96K	21.8%	2.76K	2.16K
Common Stock Direct	2/24/2026	A · Award	+500.00	—	—	23.1%	2.16K	2.66K
Common Stock Direct	2/24/2026	F · Tax Withholding	−242.00	$50.86	$12.31K	9.1%	2.66K	2.42K
Common Stock Direct	2/24/2026	A · Award	+3K	—	—	124.1%	2.42K	5.42K
Common Stock Direct	2/24/2026	F · Tax Withholding	−1.52K	$50.86	$77.51K	28.1%	5.42K	3.89K
Total			+2.26K		-$120.78K

Derivative Transactions3

Restricted Stock Unit

Direct

D · Disposition

Converts to

Common Stock

1.13K shares

−1.13K

Strike price

Held after

3.38K

Exercisable

—

2/24/2026

Restricted Stock Unit

Direct

D · Disposition

Converts to

Common Stock

500.00 shares

−500.00

Strike price

Held after

0.00

Exercisable

—

2/24/2026

Restricted Stock Unit

Direct

D · Disposition

Converts to

Common Stock

3K shares

−3K

Strike price

Held after

Exercisable

—

2/24/2026

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Restricted Stock Unit Direct	Common Stock1.13K shares	2/24/2026	D · Disposition	−1.13K	—	3.38K
Restricted Stock Unit Direct	Common Stock500.00 shares	2/24/2026	D · Disposition	−500.00	—	0.00
Restricted Stock Unit Direct	Common Stock3K shares	2/24/2026	D · Disposition	−3K	—	6K