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Supernus Bhatt exchanges 18,637 shares in merger

The reported RSU award's schedule provides for 50% vesting at closing, followed by 15%, 15% and 20% on successive anniversaries.

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Form Type
4

Rhea-AI Filing Summary

Supernus Pharmaceuticals, Inc. (SUPN) reported that its merger with Indivior became effective on November 2, 2026. In connection with it, Padmanabh P. Bhatt, Sr. VP of IP, CSO, disposed of 18,637 Supernus Pharmaceuticals common shares; his reported direct holdings of those shares afterward were zero. Each outstanding share converted into the right to receive 1.5401 Indivior common shares, and Bhatt received no cash consideration except cash in lieu of a fractional share.

Indivior, renamed Supernus, Inc., assumed and converted the outstanding equity awards into corresponding awards using the 1.5401 exchange ratio. Converted awards retained substantially the same terms, including vesting, except performance stock unit awards became time-vesting restricted stock units.

Insider Bhatt Padmanabh P.
Role Sr. VP of IP, CSO
Type Security Shares Price Value
Other Performance Share Unit F2, F3, F4 3,350 $0.00 $0.00
Other Performance Share Unit F2, F3, F5 2,500 $0.00 $0.00
Other Performance Share Unit F2, F3, F6 3,500 $0.00 $0.00
Other Restricted Stock Unit F3, F7 100,000 $0.00 $0.00
Other Restricted Stock Unit F8, F3, F9 1,250 $0.00 $0.00
Other Restricted Stock Unit F8, F3, F10 2,500 $0.00 $0.00
Other Restricted Stock Unit F8, F3, F11 3,375 $0.00 $0.00
Other Restricted Stock Unit F8, F3, F12 3,000 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F3, F13 5,000 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F3, F14 15,000 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F3, F15 20,000 $0.00 $0.00
Other Employee Stock Option (Right to Buy) F3, F16 13,500 $0.00 $0.00
Other Common Stock F1 18,637 $0.00 $0.00
Holdings After Transaction: Performance Share Unit — 0 contracts (Direct); Restricted Stock Unit — 0 contracts (Direct); Employee Stock Option (Right to Buy) — 0 contracts (Direct); Common Stock — 0 shares (Direct)
Holdings Before and After: Performance Share Unit, 9,350 to 0 contracts (Direct); Restricted Stock Unit, 110,125 to 0 contracts (Direct); Employee Stock Option (Right to Buy), 53,500 to 0 contracts (Direct); Common Stock, 18,637 to 0 shares (Direct)
Footnotes (16)
  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. Each performance share unit represents the right to receive one share of Supernus common stock upon vesting.
  3. F3. 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.
  4. F4. On February 22, 2024, the Reporting Person was awarded Performance Share Units with individual performance objectives and a defined performance period established on June 24, 2024.
  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. 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.
  8. F8. Each restricted stock unit represents the right to receive one share of Supernus common stock upon vesting.
  9. F9. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 23, 2024.
  10. F10. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2025.
  11. F11. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 19, 2026.
  12. F12. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 18, 2027.
  13. F13. The option vests in four equal annual installments beginning on February 23, 2024.
  14. F14. The option vests in four equal annual installments beginning on February 22, 2025.
  15. F15. The option vests in four equal annual installments beginning on February 19, 2026.
  16. F16. The option vests in four equal annual installments beginning on February 18, 2027.
Supernus Pharmaceuticals common shares disposed 18,637 shares Merger effective November 2, 2026
Direct Supernus Pharmaceuticals common shares following transaction 0 shares Reported position after the November 2, 2026 transaction
Merger exchange ratio 1.5401 Indivior common shares per Supernus Pharmaceuticals common share Right to receive shares under the merger
Restricted stock units reported 100,000 underlying common shares Award assumed and converted in the merger
Original option award and exercise price 5,000 shares; $38.60 per share Reported option award assumed and converted in the merger
Original option award and exercise price 15,000 shares; $27.94 per share Reported option award assumed and converted in the merger
Original option award and exercise price 20,000 shares; $33.52 per share Reported option award assumed and converted in the merger
Original option award and exercise price 13,500 shares; $50.20 per share Reported option award assumed and converted in the merger
effective time technical
"at the effective time of the merger"
The exact clock time when a regulatory filing, approval, or corporate action formally becomes legally active; from that moment the change is binding and can be acted on. Investors care because the effective time marks when ownership, rights, trading rules, or new securities take effect — like a light switch turning on a contract or transaction — which determines when risks, benefits and market reactions begin.
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.
Performance Share Units technical
"Each performance share unit represents the right to receive one share"
Performance share units are a type of company stock award given to employees that depend on the company meeting specific goals or targets. If these goals are achieved, the employee receives shares or the value of shares; if not, they may receive little or no compensation. This aligns employees’ interests with the company's success and encourages performance that benefits investors.
restricted stock units technical
"These restricted stock units are settled in common stock upon vesting"
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
merger-of-equals transaction financial
"upon the closing of the merger-of-equals transaction"

FAQ

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

What happened to SUPN shares held by Padmanabh P. Bhatt in the merger?

On November 2, 2026, 18,637 Supernus Pharmaceuticals common shares were disposed of and converted into the right to receive Indivior common stock at an exchange ratio of 1.5401 shares per share. Bhatt received no cash consideration except cash in lieu of a fractional share, and his reported direct holdings of Supernus Pharmaceuticals common stock afterward were zero.

How did the SUPN merger treat Padmanabh P. Bhatt's equity awards?

Indivior, renamed Supernus, Inc., assumed the outstanding Supernus Pharmaceuticals equity awards and converted them into corresponding awards using the 1.5401 exchange ratio. Share amounts were rounded down, and per-share exercise prices were divided by the ratio and rounded up to the nearest whole cent. Converted awards retained substantially the same terms, including vesting, except performance stock unit awards became time-vesting restricted stock units.

How was the RSU award scheduled to vest in the SUPN merger?

The reported RSU award's schedule provides for 50% to vest upon closing, 15% on the first anniversary, 15% on the second anniversary and 20% on the third anniversary.

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*
Bhatt Padmanabh P.

(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)
Sr. VP of IP, CSO
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)18,637D$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
Performance Share Unit(2)11/02/2026J(3)3,350 (4) (4)Common Stock3,350$00D
Performance Share Unit(2)11/02/2026J(3)2,500 (5) (5)Common Stock2,500$00D
Performance Share Unit(2)11/02/2026J(3)3,500 (6) (6)Common Stock3,500$00D
Restricted Stock Unit$011/02/2026J(3)100,000 (7) (7)Common Stock100,000$00D
Restricted Stock Unit(8)11/02/2026J(3)1,250 (9) (9)Common Stock1,250$00D
Restricted Stock Unit(8)11/02/2026J(3)2,500 (10) (10)Common Stock2,500$00D
Restricted Stock Unit(8)11/02/2026J(3)3,375 (11) (11)Common Stock3,375$00D
Restricted Stock Unit(8)11/02/2026J(3)3,000 (12) (12)Common Stock3,000$00D
Employee Stock Option (Right to Buy)$38.611/02/2026J(3)5,000 (13)02/23/2033Common Stock5,000$00D
Employee Stock Option (Right to Buy)$27.9411/02/2026J(3)15,000 (14)02/22/2034Common Stock15,000$00D
Employee Stock Option (Right to Buy)$33.5211/02/2026J(3)20,000 (15)02/19/2035Common Stock20,000$00D
Employee Stock Option (Right to Buy)$50.211/02/2026J(3)13,500 (16)02/18/2036Common Stock13,500$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. Each performance share unit represents the right to receive one share of Supernus common stock upon vesting.
3. 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.
4. On February 22, 2024, the Reporting Person was awarded Performance Share Units with individual performance objectives and a defined performance period established on June 24, 2024.
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. 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.
8. Each restricted stock unit represents the right to receive one share of Supernus common stock upon vesting.
9. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 23, 2024.
10. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2025.
11. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 19, 2026.
12. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 18, 2027.
13. The option vests in four equal annual installments beginning on February 23, 2024.
14. The option vests in four equal annual installments beginning on February 22, 2025.
15. The option vests in four equal annual installments beginning on February 19, 2026.
16. The option vests in four equal annual installments beginning 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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