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Supernus CFO Dec exchanges shares at 1.5401 ratio

Converted equity awards are subject to substantially the same terms, while performance awards became time-vesting restricted stock units.

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Form Type
4

Rhea-AI Filing Summary

Supernus Pharmaceuticals, Inc. reported that Senior Vice-President & CFO Timothy C. Dec disposed of 9,129 common shares in the merger effective November 2, 2026. Each outstanding Supernus Pharmaceuticals common share was canceled and converted into the right to receive 1.5401 shares of Indivior common stock; Indivior changed its name to Supernus, Inc. Dec acquired successor-company shares in the exchange and received no cash consideration other than cash in lieu of a fractional share.

His equity awards were assumed by Indivior, renamed Supernus, Inc., and automatically converted into corresponding awards. The converted awards are subject to substantially the same terms and conditions, including vesting, except performance share unit awards ceased and were converted into time-vesting restricted stock units.

Insider DEC TIMOTHY C
Role Senior Vice-President & CFO
Type Security Shares Price Value
Other Restricted Stock Unit F2, F3 70,000 $0.00 $0.00
Other Performance Share Unit F4, F2, F5 3,750 $0.00 $0.00
Other Performance Share Unit F4, F2, F6 3,500 $0.00 $0.00
Other Restricted Stock Unit F7, F2, F8 2,500 $0.00 $0.00
Other Restricted Stock Unit F7, F2, F9 6,000 $0.00 $0.00
Other Restricted Stock Unit F7, F2, F10 3,375 $0.00 $0.00
Other Restricted Stock Unit F7, F2, F11 3,000 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F2, F12 85,000 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F2, F13 25,000 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F2, F14 40,000 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F2, F15 50,000 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F2, F16 17,500 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F2, F17 40,000 $0.00 $0.00
Other Common Stock F1 9,129 $0.00 $0.00
Holdings After Transaction: Restricted Stock Unit — 0 contracts (Direct); Performance Share Unit — 0 contracts (Direct); Employee Stock Option (Right to Buy) — 0 contracts (Direct); Common Stock — 0 shares (Direct)
Holdings Before and After: Restricted Stock Unit, 84,875 to 0 contracts (Direct); Performance Share Unit, 7,250 to 0 contracts (Direct); Employee Stock Option (Right to Buy), 257,500 to 0 contracts (Direct); Common Stock, 9,129 to 0 shares (Direct)
Footnotes (17)
  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 11/2/26, Artemis Merger Sub Inc. merged with and into Supernus Pharmaceuticals, with Supernus Pharmaceuticals surviving as a wholly-owned subsidiary of Indivior. At the effective time, each outstanding share of Supernus Pharmaceuticals common stock was cancelled and automatically converted into the right to receive 1.5401 shares of Indivior common stock. In connection with the merger, Indivior changed its name to "Supernus, Inc." The reporting person's shares of Supernus Pharmaceuticals common stock were disposed of, and the shares of Supernus, Inc. common stock received in exchange were acquired, pursuant to the merger. The reporting person received no cash consideration other than cash in lieu of a fractional share.
  2. F2. 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.
  3. F3. These restricted stock units ("RSUs") are settled in common stock upon vesting, which occurs in four installments. 50% of the RSUs vest upon the closing of the merger-of-equals transaction between Supernus Pharmaceuticals, Inc. and Indivior Pharmaceuticals, Inc. (the "Closing"). 15% of the RSUs vest upon the one-year anniversary of the Closing. 15% of the RSUs vest upon the two-year anniversary of the Closing. 20% of the RSUs vest upon the three-year anniversary of the Closing.
  4. F4. Each performance share unit represents the right to receive one share of Supernus common stock upon vesting.
  5. F5. On February 19, 2025, the Reporting Person was awarded Performance Share Units with individual performance objectives and a defined performance period established on May 3, 2025.
  6. F6. On February 18, 2026, the Reporting Person was awarded Performance Share Units with individual performance objectives and a defined performance period established on July 15, 2026.
  7. F7. Each restricted stock unit represents the right to receive one share of Supernus common stock upon vesting.
  8. F8. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 23, 2024.
  9. F9. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2025.
  10. F10. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 19, 2026.
  11. F11. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 18, 2027.
  12. F12. The option vests in four equal installments beginning on August 23, 2022.
  13. F13. The option vests in four equal annual installments beginning on February 22, 2023.
  14. F14. The option vests in four equal annual installments beginning on February 19, 2026.
  15. F15. The option vests in four equal annual installments beginning on February 22, 2025.
  16. F16. The option vests in four equal annual installments beginning on February 18, 2027.
  17. F17. The option vests in four equal annual installments beginning on February 23, 2024.
Supernus Pharmaceuticals common shares disposed 9,129 shares Merger effective November 2, 2026
Original common shares held after transaction 0 shares After the November 2, 2026 transaction
Merger exchange ratio 1.5401 shares Indivior common shares for each Supernus Pharmaceuticals common share
Restricted stock units before conversion 70,000 shares Award converted in the merger effective November 2, 2026
Performance share units before conversion 3,750 shares Award converted in the merger effective November 2, 2026
Employee stock options before conversion 85,000 shares at $25.09 per share Option award converted in the merger effective November 2, 2026
Employee stock options before conversion 25,000 shares at $32.20 per share Option award converted in the merger effective November 2, 2026
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.
Restricted Stock Unit financial
"These restricted stock units ("RSUs") are settled in common stock upon vesting"
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.
Performance Share Unit financial
"Each performance share unit represents the right to receive one share"
A performance share unit (PSU) is a form of executive or employee pay that promises shares (or the cash value of shares) only if the company meets specific performance targets over a set period. Think of it like a bonus cheque that only arrives if the company hits agreed goals — it aligns managers’ rewards with business results and signals to investors how leadership is being incentivized to grow value over time.
exercise price financial
"with the 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.

How were Timothy C. Dec's SUPN shares treated in the merger?

Timothy C. Dec's 9,129 Supernus Pharmaceuticals common shares were disposed of and exchanged for the right to receive 1.5401 shares of Indivior common stock per share in the November 2, 2026 merger. Indivior changed its name to Supernus, Inc. He received no cash consideration other than cash in lieu of a fractional share.

How were SUPN equity awards converted in the merger?

Indivior, renamed Supernus, Inc., assumed outstanding Supernus Pharmaceuticals equity awards and converted them into corresponding awards using the 1.5401 exchange ratio. The share count was rounded down and the per-share exercise price was divided by the ratio and rounded up to the nearest whole cent. Converted awards kept substantially the same terms and conditions, including vesting, except performance stock unit awards became 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*
DEC TIMOTHY C

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Senior Vice-President & CFO
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
Common Stock11/02/2026J(1)9,129D$0(1)0D
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
Restricted Stock Unit$011/02/2026J(2)70,000 (3) (3)Common Stock70,000$00D
Performance Share Unit(4)11/02/2026J(2)3,750 (5) (5)Common Stock3,750$00D
Performance Share Unit(4)11/02/2026J(2)3,500 (6) (6)Common Stock3,500$00D
Restricted Stock Unit(7)11/02/2026J(2)2,500 (8) (8)Common Stock2,500$00D
Restricted Stock Unit(7)11/02/2026J(2)6,000 (9) (9)Common Stock6,000$00D
Restricted Stock Unit(7)11/02/2026J(2)3,375 (10) (10)Common Stock3,375$00D
Restricted Stock Unit(7)11/02/2026J(2)3,000 (11) (11)Common Stock3,000$00D
Employee Stock Option (Right to Buy)$25.0911/02/2026J(2)85,000 (12)08/23/2031Common Stock85,000$00D
Employee Stock Option (Right to Buy)$32.211/02/2026J(2)25,000 (13)02/22/2032Common Stock25,000$00D
Employee Stock Option (Right to Buy)$33.5211/02/2026J(2)40,000 (14)02/19/2035Common Stock40,000$00D
Employee Stock Option (Right to Buy)$27.9411/02/2026J(2)50,000 (15)02/22/2034Common Stock50,000$00D
Employee Stock Option (Right to Buy)$50.211/02/2026J(2)17,500 (16)02/18/2036Common Stock17,500$00D
Employee Stock Option (Right to Buy)$38.611/02/2026J(2)40,000 (17)02/23/2033Common Stock40,000$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 11/2/26, Artemis Merger Sub Inc. merged with and into Supernus Pharmaceuticals, with Supernus Pharmaceuticals surviving as a wholly-owned subsidiary of Indivior. At the effective time, each outstanding share of Supernus Pharmaceuticals common stock was cancelled and automatically converted into the right to receive 1.5401 shares of Indivior common stock. In connection with the merger, Indivior changed its name to "Supernus, Inc." The reporting person's shares of Supernus Pharmaceuticals common stock were disposed of, and the shares of Supernus, Inc. common stock received in exchange were acquired, pursuant to the merger. The reporting person received no cash consideration other than cash in lieu of a fractional share.
2. 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.
3. These restricted stock units ("RSUs") are settled in common stock upon vesting, which occurs in four installments. 50% of the RSUs vest upon the closing of the merger-of-equals transaction between Supernus Pharmaceuticals, Inc. and Indivior Pharmaceuticals, Inc. (the "Closing"). 15% of the RSUs vest upon the one-year anniversary of the Closing. 15% of the RSUs vest upon the two-year anniversary of the Closing. 20% of the RSUs vest upon the three-year anniversary of the Closing.
4. Each performance share unit represents the right to receive one share of Supernus common stock upon vesting.
5. On February 19, 2025, the Reporting Person was awarded Performance Share Units with individual performance objectives and a defined performance period established on May 3, 2025.
6. On February 18, 2026, the Reporting Person was awarded Performance Share Units with individual performance objectives and a defined performance period established on July 15, 2026.
7. Each restricted stock unit represents the right to receive one share of Supernus common stock upon vesting.
8. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 23, 2024.
9. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2025.
10. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 19, 2026.
11. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 18, 2027.
12. The option vests in four equal installments beginning on August 23, 2022.
13. The option vests in four equal annual installments beginning on February 22, 2023.
14. The option vests in four equal annual installments beginning on February 19, 2026.
15. The option vests in four equal annual installments beginning on February 22, 2025.
16. The option vests in four equal annual installments beginning on February 18, 2027.
17. The option vests in four equal annual installments beginning on February 23, 2024.
Remarks:
/s/ Timothy C. Dec11/04/2026
** 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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