Timothy C. Dec - 06 Mar 2026 Form 4 Insider Report for SUPERNUS PHARMACEUTICALS, INC. (SUPN)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
10 Mar 2026, 16:12:53 UTC
Prior SEC filing
03 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Timothy C. Dec

Key filing fact

Timothy C. Dec filed Form 4 for SUPERNUS PHARMACEUTICALS, INC. (SUPN) on 10 Mar 2026.

Key facts

  • This page summarizes Timothy C. Dec's Form 4 filing for SUPERNUS PHARMACEUTICALS, INC. (SUPN).
  • 6 reported transactions and 2 derivative rows are listed below.
  • Accepted by SEC: 10 Mar 2026, 16:12.

Change

  • Previous filing in this sequence was filed on 03 Mar 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001194020 Primary reporting owner

DEC TIMOTHY C

Relationship
Senior Vice-President & CFO
Address
C/O SUPERNUS PHARMACEUTICALS, INC., 9715 KEY WEST AVENUE, ROCKVILLE
Signature
/s/ Timothy C. Dec
Signature date
10 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SUPN transaction

Common Stock

Options Exercise

Transaction value
Shares
+3,000
Change %
+59%
Price
$0.000000*
Shares after
8,115
Date
06 Mar 2026
Ownership
Direct
SUPN transaction

Common Stock

Tax liability

Transaction value
Shares
-1,433
Change %
-18%
Price
$54.73*
Shares after
6,682
Date
06 Mar 2026
Ownership
Direct
Footnotes
F1
SUPN transaction

Common Stock

Options Exercise

Transaction value
Shares
+3,000
Change %
+45%
Price
$0.000000*
Shares after
9,682
Date
06 Mar 2026
Ownership
Direct
SUPN transaction

Common Stock

Tax liability

Transaction value
Shares
-1,450
Change %
-15%
Price
$54.73*
Shares after
8,232
Date
06 Mar 2026
Ownership
Direct
Footnotes
F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

SUPN transaction Derivative

Performance Share Unit

Options Exercise

Transaction value
Shares
-3,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
06 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,000
Exercise price
$0.000000
Footnotes
F2
SUPN transaction Derivative

Performance Share Unit

Options Exercise

Transaction value
Shares
-3,000
Change %
-100%
Price
$0.000000*
Shares after
0
Date
06 Mar 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
3,000
Exercise price
$0.000000
Footnotes
F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents the number of shares of common stock withheld by the Company to satisfy tax withholding requirements in connection with the vesting of Performance Share Units.

Footnote F2

On February 22, 2024, the Reporting Person was awarded Performance Share Units, a portion of which vested upon the achievement of individual performance objectives within a defined performance period, which objectives were established on June 24, 2024.

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