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Supernus director’s awards convert at 1.5401 ratio

The option exercise prices were divided by 1.5401 and rounded up to the nearest whole cent under the conversion terms.

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Form Type
4

Rhea-AI Filing Summary

Bethany Sensenig reported disposition transactions in this Form 4 filing. Supernus Pharmaceuticals, Inc. director Bethany Sensenig reported that, at the merger’s effective time on November 2, 2026, her outstanding equity awards were assumed by Indivior, renamed Supernus, Inc., and automatically converted. The reported awards covered options for 24,153, 8,252, 7,296 and 4,977 shares, plus 2,989 restricted stock units. The conversion used a 1.5401 exchange ratio; converted awards were subject to substantially the same terms and conditions, including vesting.

Insider Sensenig Bethany
Role Director
Type Security Shares Price Value
Other Director Stock Option (Right to Buy) F1, F2 24,153 $0.00 $0.00
Other Director Stock Option (Right to Buy) F1, F3 8,252 $0.00 $0.00
Other Director Stock Option (Right to Buy) F1, F4 7,296 $0.00 $0.00
Other Director Stock Option (Right to Buy) F1, F5 4,977 $0.00 $0.00
Other Restricted Stock Unit F6, F1, F7 2,989 $0.00 $0.00
Holdings After Transaction: Director Stock Option (Right to Buy) — 0 contracts (Direct); Restricted Stock Unit — 0 contracts (Direct)
Holdings Before and After: Director Stock Option (Right to Buy), 44,678 to 0 contracts (Direct); Restricted Stock Unit, 2,989 to 0 contracts (Direct)
Footnotes (7)
  1. F1. Pursuant to the Agreement and Plan of Merger, dated as of August 1, 2026, by and among Indivior Pharmaceuticals, Inc. ("Indivior"), Artemis Merger Sub Inc. and Supernus Pharmaceuticals, Inc. ("Supernus Pharmaceuticals"), at the effective time of the merger on 11/2/2026, each outstanding Supernus Pharmaceuticals equity award was assumed by Indivior (renamed Supernus, Inc.) and automatically converted into a corresponding Supernus, Inc. equity award covering the number of Supernus, Inc. shares equal to the number of Supernus Pharmaceuticals shares subject to the award multiplied by the 1.5401 exchange ratio (rounded down), with the per-share exercise price divided by the exchange ratio and rounded up to the nearest whole cent. Each converted award is subject to substantially the same terms and conditions, including vesting, that applied immediately prior to the effective time, except performance stock unit awards ceased were converted into time-vesting restricted stock units.
  2. F2. The option vests in four equal annual installments beginning on August 17, 2024.
  3. F3. The option vests on February 22, 2025.
  4. F4. The option vests on February 19, 2026.
  5. F5. Each option vests on February 18, 2027.
  6. F6. Each restricted stock unit represents the right to receive one share of Supernus common stock upon vesting.
  7. F7. These restricted stock units will be settled in common stock upon vesting, which will occur on February 18, 2027.
Director option award shares 24,153 shares Exercise price $30.22 per share; expiration August 17, 2033.
Director option award shares 8,252 shares Exercise price $27.94 per share; expiration February 22, 2034.
Director option award shares 7,296 shares Exercise price $33.52 per share; expiration February 19, 2035.
Director option award shares 4,977 shares Exercise price $50.20 per share; expiration February 18, 2036.
Restricted stock units 2,989 units Reported November 2, 2026.
Merger exchange ratio 1.5401 Applied to convert outstanding equity awards.
equity award financial
"each outstanding Supernus Pharmaceuticals equity award was assumed"
An equity award is a form of pay where a company gives employees, executives or other stakeholders the right to own or buy company shares—either immediately or after meeting certain conditions. Think of it like receiving slices of the company pie now or coupons to claim slices later; it matters to investors because it affects ownership dilution, executive incentives and reported compensation costs, and signals how management is being rewarded and retained.
exchange ratio financial
"multiplied by the 1.5401 exchange ratio"
The exchange ratio is the number used to decide how many shares of one company you get for each share you own in another company during a merger or acquisition. It’s like a recipe that tells you how to swap shares fairly, ensuring both companies’ values are balanced. This ratio matters because it determines how ownership divides between the companies' shareholders.
vesting financial
"including vesting"
Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.
restricted stock unit financial
"Each restricted stock unit represents the right to receive one share"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
exercise price financial
"per-share exercise price divided by the exchange ratio"
The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What awards did SUPN director Bethany Sensenig report?

On November 2, 2026, Bethany Sensenig reported options covering 24,153, 8,252, 7,296 and 4,977 shares, plus 2,989 restricted stock units. The awards were reported in connection with the merger’s effective time.

How were SUPN equity awards converted in the merger?

Each outstanding Supernus Pharmaceuticals equity award was assumed by Indivior, renamed Supernus, Inc., and automatically converted using the 1.5401 exchange ratio. Award share counts were multiplied by that ratio and rounded down; per-share option exercise prices were divided by it and rounded up to the nearest whole cent. Converted awards retained substantially the same terms and conditions, including vesting, with performance stock units converted into time-vesting restricted stock units.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
X
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Sensenig Bethany

(Last)(First)(Middle)
C/O SUPERNUS PHARMACEUTICALS, INC.
9715 KEY WEST AVENUE

(Street)
ROCKVILLE MARYLAND 20850

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
SUPERNUS PHARMACEUTICALS, INC. [ SUPN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
11/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Director Stock Option (Right to Buy)$30.2211/02/2026J(1)24,153 (2)08/17/2033Common Stock24,153$00D
Director Stock Option (Right to Buy)$27.9411/02/2026J(1)8,252 (3)02/22/2034Common Stock8,252$00D
Director Stock Option (Right to Buy)$33.5211/02/2026J(1)7,296 (4)02/19/2035Common Stock7,296$00D
Director Stock Option (Right to Buy)$50.211/02/2026J(1)4,977 (5)02/18/2036Common Stock4,977$00D
Restricted Stock Unit(6)11/02/2026J(1)2,989 (7) (7)Common Stock2,989$00D
Explanation of Responses:
1. Pursuant to the Agreement and Plan of Merger, dated as of August 1, 2026, by and among Indivior Pharmaceuticals, Inc. ("Indivior"), Artemis Merger Sub Inc. and Supernus Pharmaceuticals, Inc. ("Supernus Pharmaceuticals"), at the effective time of the merger on 11/2/2026, each outstanding Supernus Pharmaceuticals equity award was assumed by Indivior (renamed Supernus, Inc.) and automatically converted into a corresponding Supernus, Inc. equity award covering the number of Supernus, Inc. shares equal to the number of Supernus Pharmaceuticals shares subject to the award multiplied by the 1.5401 exchange ratio (rounded down), with the per-share exercise price divided by the exchange ratio and rounded up to the nearest whole cent. Each converted award is subject to substantially the same terms and conditions, including vesting, that applied immediately prior to the effective time, except performance stock unit awards ceased were converted into time-vesting restricted stock units.
2. The option vests in four equal annual installments beginning on August 17, 2024.
3. The option vests on February 22, 2025.
4. The option vests on February 19, 2026.
5. Each option vests on February 18, 2027.
6. Each restricted stock unit represents the right to receive one share of Supernus common stock upon vesting.
7. These restricted stock units will be settled in common stock upon vesting, which will occur on February 18, 2027.
Remarks:
/s/ Timothy C. Dec, as attorney-in-fact11/04/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

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