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Indivior CMO acquires 21,529 Supernus merger shares

The merger exchanged the officer’s Supernus Pharmaceuticals shares and converted existing equity awards using a 1.5401 exchange ratio.

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Form Type
4

Rhea-AI Filing Summary

Indivior Pharmaceuticals, Inc. (INDV) reported that Jonathan Rubin, SVP, Chief Medical Officer, acquired 21,529 shares of Supernus, Inc. common stock in the merger effective November 2, 2026, in exchange for Supernus Pharmaceuticals common shares he held. The merger provided 1.5401 shares of Supernus, Inc. common stock for each outstanding Supernus Pharmaceuticals share; cash consideration was limited to cash in lieu of a fractional share.

Indivior assumed and converted outstanding equity awards into corresponding awards covering shares based on the 1.5401 exchange ratio, with the converted awards generally retaining their prior terms, including vesting. Performance stock unit awards were converted into time-vesting restricted stock units.

Insider Rubin Jonathan
Role SVP, Chief Medical Officer
Type Security Shares Price Value
Other Employee Stock Option (right to buy) F2, F3 23,101 $0.00 $0.00
Other Employee Stock Option (right to buy) F2, F3 38,502 $0.00 $0.00
Other Employee Stock Option (right to buy) F2, F3 38,502 $0.00 $0.00
Other Employee Stock Option (right to buy) F2, F3 30,802 $0.00 $0.00
Other Employee Stock Option (right to buy) F2, F3 38,502 $0.00 $0.00
Other Employee Stock Option (right to buy) F2, F3 30,802 $0.00 $0.00
Other Employee Stock Option (right to buy) F2, F3 20,791 $0.00 $0.00
Other Restricted Stock Units F2, F4 1,925 $0.00 $0.00
Other Restricted Stock Units F2, F5 3,850 $0.00 $0.00
Other Restricted Stock Units F2, F6 5,197 $0.00 $0.00
Other Restricted Stock Units F2, F7 4,620 $0.00 $0.00
Other Restricted Stock Units F2, F8 107,807 $0.00 $0.00
Other Restricted Stock Units F2, F9 2,695 $0.00 $0.00
Other Restricted Stock Units F2, F10 1,155 $0.00 $0.00
Other Restricted Stock Units F2, F10 1,155 $0.00 $0.00
Other Restricted Stock Units F2, F11 1,540 $0.00 $0.00
Other Restricted Stock Units F2, F11 1,886 $0.00 $0.00
Other Restricted Stock Units F2, F12 1,886 $0.00 $0.00
Other Restricted Stock Units F2, F13 1,617 $0.00 $0.00
Other Common Stock F1 21,529 $0.00 $0.00
Holdings After Transaction: Employee Stock Option (right to buy) — 221,002 contracts (Direct); Restricted Stock Units — 135,333 contracts (Direct); Common Stock — 21,529 shares (Direct)
Footnotes (13)
  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 were converted into time-vesting restricted stock units.
  3. F3. The option vests in four equal annual installments beginning on the specified date.
  4. F4. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 23, 2024.
  5. F5. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2025.
  6. F6. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 19, 2026.
  7. F7. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 18, 2027.
  8. F8. 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.
  9. F9. These restricted stock units are settled in common stock upon vesting, which occurs on December 31, 2026.
  10. F10. These restricted stock units are settled in common stock upon vesting, which occurs on December 31, 2027.
  11. F11. These restricted stock units are settled in common stock upon vesting, which occurs on June 30, 2027.
  12. F12. These restricted stock units are settled in common stock upon vesting, which occurs on June 30, 2029.
  13. F13. These restricted stock units are settled in common stock upon vesting, which occurs on June 30, 2028.
Common shares acquired 21,529 shares Jonathan Rubin; merger effective November 2, 2026
Merger exchange ratio 1.5401 shares Supernus, Inc. common stock for each outstanding Supernus Pharmaceuticals common share
Converted award shares 377,864 shares Across 19 derivative-award records
Converted option exercise prices $15.58, $19.23, $20.91, $25.07, $18.15, $21.77 and $32.60 per share Seven employee stock option records
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.
time-vesting restricted stock units financial
"converted into time-vesting restricted stock units"
cash in lieu of a fractional share financial
"cash in lieu of a fractional share"

FAQ

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

How many shares did the INDV executive acquire in the merger?

Jonathan Rubin acquired 21,529 shares of Supernus, Inc. common stock in the merger effective November 2, 2026, in exchange for Supernus Pharmaceuticals common shares he held. The merger provided 1.5401 shares of Supernus, Inc. common stock for each outstanding Supernus Pharmaceuticals share.

How were INDV equity awards converted in the merger?

Outstanding Supernus Pharmaceuticals equity awards were assumed and converted into corresponding Supernus, Inc. awards, with the share count based on the 1.5401 exchange ratio and rounded down. Per-share exercise prices were divided by that ratio and rounded up to the nearest whole cent. Converted awards generally retained their prior terms, including vesting; 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
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*
Rubin Jonathan

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

(Street)
ROCKVILLE MARYLAND 20850

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Supernus, Inc. [ SUPN ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
SVP, Chief Medical Officer
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)21,529A$0.00(1)21,529D
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
Employee Stock Option (right to buy)$15.5811/02/2026J(2)23,10102/21/2021(3)02/21/2030Common Stock23,101$0.0023,101D
Employee Stock Option (right to buy)$19.2311/02/2026J(2)38,50202/19/2022(3)02/19/2031Common Stock38,502$0.0038,502D
Employee Stock Option (right to buy)$20.9111/02/2026J(2)38,50202/22/2023(3)02/22/2032Common Stock38,502$0.0038,502D
Employee Stock Option (right to buy)$25.0711/02/2026J(2)30,80202/23/2024(3)02/23/2033Common Stock30,802$0.0030,802D
Employee Stock Option (right to buy)$18.1511/02/2026J(2)38,50202/22/2025(3)02/22/2034Common Stock38,502$0.0038,502D
Employee Stock Option (right to buy)$21.7711/02/2026J(2)30,80202/19/2026(3)02/19/2035Common Stock30,802$0.0030,802D
Employee Stock Option (right to buy)$32.611/02/2026J(2)20,79102/18/2027(3)02/18/2036Common Stock20,791$0.0020,791D
Restricted Stock Units$0.0011/02/2026J(2)1,92502/23/2024(4) (4)Common Stock1,925$0.001,925D
Restricted Stock Units$0.0011/02/2026J(2)3,85002/22/2025(5) (5)Common Stock3,850$0.003,850D
Restricted Stock Units$0.0011/02/2026J(2)5,19702/19/2026(6) (6)Common Stock5,197$0.005,197D
Restricted Stock Units$0.0011/02/2026J(2)4,62002/18/2027(7) (7)Common Stock4,620$0.004,620D
Restricted Stock Units$0.0011/02/2026J(2)107,80711/02/2026(8) (8)Common Stock107,807$0.00107,807D
Restricted Stock Units$0.0011/02/2026J(2)2,69512/31/2026(9) (9)Common Stock2,695$0.002,695D
Restricted Stock Units$0.0011/02/2026J(2)1,15512/31/2027(10) (10)Common Stock1,155$0.001,155D
Restricted Stock Units$0.0011/02/2026J(2)1,15512/31/2027(10) (10)Common Stock1,155$0.001,155D
Restricted Stock Units$0.0011/02/2026J(2)1,54006/30/2027(11) (11)Common Stock1,540$0.001,540D
Restricted Stock Units$0.0011/02/2026J(2)1,88606/30/2027(11) (11)Common Stock1,886$0.001,886D
Restricted Stock Units$0.0011/02/2026J(2)1,88606/30/2029(12) (12)Common Stock1,886$0.001,886D
Restricted Stock Units$0.0011/02/2026J(2)1,61706/30/2028(13) (13)Common Stock1,617$0.001,617D
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 were converted into time-vesting restricted stock units.
3. The option vests in four equal annual installments beginning on the specified date.
4. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 23, 2024.
5. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 22, 2025.
6. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 19, 2026.
7. These restricted stock units are settled in common stock upon vesting, which occurs in four equal annual installments, beginning on February 18, 2027.
8. 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.
9. These restricted stock units are settled in common stock upon vesting, which occurs on December 31, 2026.
10. These restricted stock units are settled in common stock upon vesting, which occurs on December 31, 2027.
11. These restricted stock units are settled in common stock upon vesting, which occurs on June 30, 2027.
12. These restricted stock units are settled in common stock upon vesting, which occurs on June 30, 2029.
13. These restricted stock units are settled in common stock upon vesting, which occurs on June 30, 2028.
/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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