Key facts
- This page summarizes William Todd Horich's Form 4 filing for SUPERNUS PHARMACEUTICALS, INC. (SUPN).
- 11 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 10 Mar 2026, 16:12.
William Todd Horich - 06 Mar 2026 Form 4 Insider Report for SUPERNUS PHARMACEUTICALS, INC. (SUPN)
- Reporting relationship
- SVP, Commercial Operations
- Issuer ticker
- SUPN
- Reported as of
- 06 Mar 2026
- Net transaction value
- -$483,797
- SEC form
- 4
- Accepted by SEC
- 10 Mar 2026, 16:12:10 UTC
- Prior SEC filing
- 10 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Timothy C. Dec, as attorney-in-fact
Source evidence
Original filing metadata and source links for verification.
4 source fields
Reporting owner
1 detail
Key filing fact
William Todd Horich filed Form 4 for SUPERNUS PHARMACEUTICALS, INC. (SUPN) on 10 Mar 2026.
Change
- Previous filing in this sequence was filed on 10 Mar 2026.
- Current net transaction value: -$483,797.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0002117599
Primary reporting owner
Horich William Todd
- Relationship
- SVP, Commercial Operations
- Address
- C/O SUPERNUS PHARMACEUTICALS, INC.,, 9715 KEY WEST AVENUE, ROCKVILLE
- Signature
- /s/ Timothy C. Dec, as attorney-in-fact
- 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
- +2,625
- Change %
- +54%
- Price
- $0.000000*
- Shares after
- 7,457
- Date
- 06 Mar 2026
- Ownership
- Direct
SUPN
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -1,216
- Change %
- -16%
- Price
- $54.73*
- Shares after
- 6,241
- Date
- 06 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
SUPN
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +3,750
- Change %
- +60%
- Price
- $0.000000*
- Shares after
- 9,991
- Date
- 06 Mar 2026
- Ownership
- Direct
SUPN
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -1,718
- Change %
- -17%
- Price
- $54.73*
- Shares after
- 8,273
- Date
- 06 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
SUPN
transaction
Common Stock
Options Exercise
- Transaction value
- Shares
- +1,125
- Change %
- +14%
- Price
- $0.000000*
- Shares after
- 9,398
- Date
- 06 Mar 2026
- Ownership
- Direct
SUPN
transaction
Common Stock
Tax liability
- Transaction value
- Shares
- -521
- Change %
- -5.5%
- Price
- $54.73*
- Shares after
- 8,877
- Date
- 06 Mar 2026
- Ownership
- Direct
- Footnotes
- F1
SUPN
transaction
Common Stock
Sale
- Transaction value
- $239,652
- Shares
- -4,438
- Change %
- -50%
- Price
- $54.00
- Shares after
- 4,439
- Date
- 09 Mar 2026
- Ownership
- Direct
SUPN
transaction
Common Stock
Sale
- Transaction value
- $244,145
- Shares
- -4,439
- Change %
- -100%
- Price
- $55.00
- Shares after
- 0
- Date
- 10 Mar 2026
- Ownership
- Direct
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
- -2,625
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 06 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 2,625
- Exercise price
- $0.000000
- Footnotes
- F2
SUPN
transaction
Derivative
Performance Share Unit
Options Exercise
- Transaction value
- Shares
- -3,750
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 06 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 3,750
- Exercise price
- $0.000000
- Footnotes
- F2
SUPN
transaction
Derivative
Performance Share Unit
Options Exercise
- Transaction value
- Shares
- -1,125
- Change %
- -100%
- Price
- $0.000000*
- Shares after
- 0
- Date
- 06 Mar 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,125
- 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.