SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 4)
Strongbridge Biopharma plc
(Name of Issuer)
Ordinary Shares, $0.01 par value
(Title of Class of Securities)
G85347105
(CUSIP Number)
Mr. Heath N. Weisberg
Caxton Corporation
731 Alexander Road, Bldg. 2, Suite 500
Princeton, New Jersey 08540
(212) 205-6805
(Name, Address and Telephone Number of Person Authorized
to
Receive Notices and Communications)
October 5, 2021
(Date of Event which Requires Filing of this Statement)
If the filing person has previously filed a statement
on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Section 240.13d-1(e),
240.13d-1(f) or
240.13d-1(g), check the following box. | |
Note: Schedules filed in paper format shall include
a signed original and five copies of the schedule, including all exhibits. See Section
240.13d-7 for other parties to whom copies are to
be sent.
*The remainder of this cover page shall be filled
out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment
containing information which would alter disclosures provided in a prior cover page.
The information required on the remainder of this
cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act")
or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
1.
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NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
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Caxton Corporation
22-2437619
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2.
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) [_]
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(b) [X]
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3.
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SEC USE ONLY
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4.
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SOURCE OF FUNDS
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AF
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5.
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) OR 2(e)
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[_]
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6.
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CITIZENSHIP OR PLACE OF ORGANIZATION
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Delaware
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NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
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7.
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SOLE VOTING POWER
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0
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8.
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SHARED VOTING POWER
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0
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9.
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SOLE DISPOSITIVE POWER
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0
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10.
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SHARED DISPOSITIVE POWER
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0
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11.
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
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0
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12.
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES
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[_]
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13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
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0%
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14.
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TYPE OF REPORTING PERSON
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CO
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1.
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NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
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CDK Associates, L.L.C.
22-3437741
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2.
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) [_]
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(b) [X]
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3.
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SEC USE ONLY
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4.
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SOURCE OF FUNDS
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WC
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5.
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) OR 2(e)
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[_]
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6.
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CITIZENSHIP OR PLACE OF ORGANIZATION
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Delaware
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NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
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7.
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SOLE VOTING POWER
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0
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8.
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SHARED VOTING POWER
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0
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9.
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SOLE DISPOSITIVE POWER
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0
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10.
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SHARED DISPOSITIVE POWER
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0
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11.
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
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0
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12.
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES
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[_]
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13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
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0%
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14.
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TYPE OF REPORTING PERSON
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OO
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1.
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NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
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Kovner, Bruce
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2.
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
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(a) [_]
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(b) [X]
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3.
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SEC USE ONLY
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4.
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SOURCE OF FUNDS
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AF
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5.
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CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
PURSUANT TO ITEMS 2(d) OR 2(e)
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[_]
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6.
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CITIZENSHIP OR PLACE OF ORGANIZATION
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United States
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NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON
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7.
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SOLE VOTING POWER
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8.
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SHARED VOTING POWER
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0
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9.
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SOLE DISPOSITIVE POWER
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10.
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SHARED DISPOSITIVE POWER
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0
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11.
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING
PERSON
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0
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12.
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES
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[_]
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13
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
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0%
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14.
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TYPE OF REPORTING PERSON
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IN
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ITEM 1.
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Security and Issuer
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This Schedule 13D relates
to the ordinary shares (the "Ordinary Shares"), of Strongbridge Biopharma plc (the "Company"). The principal executive
office of the Company is located at 900 Northbrook Drive, Suite 200, Trevose, Pennsylvania 19053.
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ITEM 2.
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Identity and Background
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(a)
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This statement is being filed by Caxton Corporation, a Delaware Corporation, CDK Associates, L.L.C., a Delaware limited liability company and Mr. Bruce Kovner (each a “Reporting Person” and collectively the “Reporting Persons”).
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(b)
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(i)
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The address of Caxton Corporation is
731 Alexander Road, Bldg. 2, Suite 500 Princeton, NJ 08540.
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(ii)
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The address of CDK Associates, L.L.C. is
731 Alexander Road, Bldg. 2, Suite 500 Princeton, NJ 08540.
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(iii)
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The business address of Mr. Kovner is
c/o Caxton Corporation, 731 Alexander Road, Bldg. 2, Suite 500 Princeton, NJ 08540.
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(c)
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(i)
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The principal business of Caxton Corporation is to serve as the manager of certain investment vehicles controlled by Mr. Kovner, including CDK Associates, L.L.C., and as general partner of Caxton Alternative Management LP, an affiliate of Caxton Corporation.
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(ii)
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The principal business of CDK Associates, L.L.C. is to serve as an investment vehicle for investments in securities.
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(iii)
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The present principal occupation of Mr. Kovner is Chairman of Caxton Corporation and Caxton Alternative Management LP.
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(d)
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No person filing this statement has during the past five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors).
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(e)
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No person filing this statement has during the last five years been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such a proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to Federal or state securities laws or finding any violation with respect to such laws.
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(f)
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Citizenship:
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(i)
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Caxton Corporation – Delaware.
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(ii)
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CDK Associates, L.L.C. – Delaware.
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(iii)
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Mr. Kovner – United States.
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ITEM 3.
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Source and Amount of Funds or Other Consideration.
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As of the date hereof Caxton
Corporation may be deemed to beneficially own 0 Ordinary Shares.
As of the date hereof CDK
Associates, L.L.C. may be deemed to beneficially own 0 Ordinary Shares.
As of the date hereof Mr.
Kovner may be deemed to beneficially own 0 Ordinary Shares.
ITEM 4.
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Purpose of Transaction.
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The Ordinary Shares and warrants beneficially owned
by the Reporting Persons were disposed of pursuant to the Issuer’s transaction with Xeris Pharmaceuticals, Inc., Xeris Biopharma
Holdings, Inc. (“Holdco”) and Wells MergerSub, Inc., a wholly owned subsidiary of Holdco, pursuant to a Transaction Agreement
dated May 24, 2021 (the “Transaction Agreement) in which Holdco would acquire the Issuer (the “Acquisition”) by means
of a scheme of arrangement (the “Scheme”) under Irish law for a per share consideration of 0.7840 newly issued shares of Holdco
common stock, and cash in lieu of fractions thereof, plus one contingent value right worth up to an additional $1.00 payable in cash,
Holdco common stock or a combination thereof at Holdco’s sole election. Pursuant to the Transaction Agreement, the Issuer’s
outstanding warrants were treated as follows: (i) each outstanding and unexercised Strongbridge Private Placement Warrant was assumed
by Holdco such that the applicable holders will have the right to subscribe for Holdco Shares, in accordance with certain terms of the
Strongbridge Private Placement Warrant, (ii) each outstanding and unexercised Strongbridge Assumed Warrant was assumed by Holdco such
that, upon exercise, the applicable holders will have the right to have delivered to them the Reference Property, in accordance with certain
terms of the Strongbridge Assumed Warrants (each defined in the Transaction Agreement). Effective as of October 5, 2021 (the “Effective
Date”), Holdco completed the Acquisition pursuant to the Scheme. The foregoing description of the Transaction Agreement is qualified
in its entirety by reference to the Transaction Agreement, which is filed as Exhibit 2.1 to the Form 8-K filed by the Issuer on May 24,
2021, and is incorporated by reference herein as Exhibit C.
ITEM 5.
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Interest in Securities of the Issuer.
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(a) As of
the Effective Date, the Reporting Persons no longer beneficially own any Ordinary Shares.
(b) CDK Associates,
L.L.C. may be deemed to share voting and dispositive power over 0 Ordinary Shares. Caxton Corporation and Mr. Kovner, as Chairman and
sole shareholder of Caxton Corporation, the Manager of CDK Associates, L.L.C., may be deemed to share voting and dispositive power over
0 Ordinary Shares.
(c) There
have been no transactions in the Shares by the Reporting Persons during the past 60 days.
ITEM 6.
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Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer.
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Not Applicable
ITEM 7.
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Material to Be Filed as Exhibits
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Exhibit A: Joint Filing Agreement.
Exhibit B: Power of Attorney of Bruce
Kovner
Exhibit C: Transaction Agreement, dated as of May 24,
2021, by and among Xeris Pharmaceuticals, Inc., Strongbridge Biopharma plc, Xeris Biopharma Holdings, Inc. and Wells MergerSub, Inc. (incorporated
by reference to Exhibit 2.1 of the Registrant’s Current Report on Form 8-K dated May 24, 2021).
Signatures
After reasonable inquiry and to the best of
my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
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Date: 01/05/2022
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Caxton Corporation*
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/s/ Heath N. Weisberg
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Heath N. Weisberg, as General Counsel and Chief Compliance Officer of Caxton Corporation
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Date: 01/05/2022
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CDK Associates, L.L.C.
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By: Caxton Corporation,
Manager of CDK Associates, L.L.C.
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/s/ Heath N. Weisberg
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Heath N. Weisberg, as General Counsel and Chief Compliance Officer of Caxton Corporation
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Date: 01/05/2022
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Bruce S. Kovner*
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/s/ Heath N. Weisberg
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Heath N. Weisberg, as attorney
in fact for Bruce Kovner
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The original statement shall be signed by each
person on whose behalf the statement is filed or his authorized representative. If the statement is signed on behalf of a person by his
authorized representative (other than an executive officer or general partner of the filing person), evidence of the representative's
authority to sign on behalf of such person shall be filed with the statement: provided, however, that a power of attorney for this purpose
which is already on file with the Commission may be incorporated by reference. The name and any title of each person who signs the statement
shall be typed or printed beneath his signature.
* The Reporting Persons disclaim beneficial
ownership over the securities reported herein except to the extent of the reporting persons' pecuniary interest therein.
ATTENTION: Intentional misstatements or omissions
of fact constitute Federal criminal violations (See 18 U.S.C. 1001).
Exhibit A
AGREEMENT
Pursuant to Rule 13d-1(k)(1)
under the Securities Exchange Act of 1934, as amended, each of the undersigned hereby agrees that only one statement containing the information
required by Schedule 13D need be filed with respect to the ownership by each of the undersigned of Ordinary Shares, $0.01 par value of
Strongbridge Biopharma plc.
This Agreement may be executed
in any number of counterparts, each of which shall be deemed an original.
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Date: 01/05/2022
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Caxton Corporation*
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/s/ Heath N. Weisberg
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Heath N. Weisberg, as General Counsel and Chief Compliance Officer of Caxton Corporation
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Date: 01/05/2022
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CDK Associates, L.L.C.
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By: Caxton Corporation,
Manager of CDK Associates, L.L.C.
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/s/ Heath N. Weisberg
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Heath N. Weisberg, as General Counsel and Chief Compliance Officer of Caxton Corporation
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Date: 01/05/2022
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Bruce S. Kovner*
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/s/ Heath N. Weisberg
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Heath N. Weisberg, as attorney
in fact for Bruce Kovner
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* The Reporting Persons disclaim beneficial
ownership over the securities reported herein except to the extent of the reporting persons' pecuniary interest therein.
Exhibit B
POWER OF ATTORNEY
Know all by these presents, that the undersigned hereby
constitutes and appoints Heath Weisberg, signing singly, with full power of substitution, the undersigned’s true and lawful attorney-in-fact
to:
(1) execute for and on behalf of the undersigned any
applications, reports, or documents required or deemed appropriate by the attorney-in-fact to file pursuant to (i) the United States Securities
Exchange Act of 1934, as amended, or any rule, or regulation thereunder, including, without limitation, Schedules 13D, 13G, 13F, and 13H,
and Forms 3, 4, and 5, (ii) the Securities Act of 1933, as amended, or any rule or regulation thereunder, including, without limitation,
Form 144, (iii) the U.S. Commodity Exchange Act, as amended or any rule or regulation thereunder, or (iv) the statutes, rules or regulations
of any other domestic or foreign governmental or self-regulatory authority;
(2) do and perform any and all acts for and on behalf
of the undersigned which may be necessary or desirable to complete and execute any such applications, reports, or documents;
(3) take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interests of, or legally
required by the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant
to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact’s discretion.
The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact’s
substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorney-in-fact, in serving in such capacity at the request of the undersigned,
are not assuming, nor is the Company assuming, any of the undersigned’s responsibilities to comply with the applicable statutes,
rules and regulations.
This Power of Attorney shall remain in full force and
effect until revoked by the undersigned in a signed writing delivered to the foregoing attorney-in-fact or otherwise terminated by my
death or other event described in section 5-1511 of the New York General Obligations Law.
SIGNATURE AND ACKNOWLEDGMENT:
In Witness Whereof I have hereunto signed my name on
the 9th day of May, 2013.
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/s/ Bruce Kovner
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Bruce Kovner
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STATE OF NEW YORK
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)
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) ss:
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COUNTY OF NEW YORK
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)
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On the 9th day of May 2013, before me, the undersigned,
personally appeared Bruce Kovner, personally known to me or proved to me on the basis of satisfactory evidence to be the individual whose
name is subscribed to the within instrument and acknowledged to me that he/she executed the same in his/her capacity, and that by his/her
signature on the instrument, the individual, or the person upon behalf of which the individual acted, executed the instrument.
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/s/ Cynthia Rosel Rivera
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Notary Public
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AGENT’S SIGNATURE AND ACKNOWLEDGMENT OF APPOINTMENT:
I, Heath N. Weisberg, have read the foregoing Power
of Attorney. I am the person identified therein as agent and attorney-in-fact for the principal named therein.
I acknowledge my legal responsibilities.
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/s/ Heath N. Weisberg
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Heath N. Weisberg
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STATE OF NEW YORK
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)
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) ss:
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COUNTY OF NEW YORK
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)
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On the 9th day of May, 2013, before me, the undersigned,
personally appeared Heath N. Weisberg, personally known to me or proved to me on the basis of satisfactory evidence to be the individual
whose name is subscribed to the within instrument and acknowledged to me that he/she executed the same in his/her capacity, and that by
his/her signature on the instrument, the individual, or the person upon behalf of which the individual acted, executed the instrument.
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/s/ Cynthia Rosel Rivera
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Notary Public
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SK
27550 0001 9127899 v1
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