Company: SUPN
Filing Date: 2025-07-02
Form Type: SC TO-T
Source: 0001104659-25-065398
Chunk: 3

Company: SUPERNUS PHARMACEUTICALS, INC.
Filing Date: 2025-07-02
Form: SC TO-T
Chunk 3
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 Sage”

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Section 13 — “Certain Effects of the Offer”

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Section 15 — “Conditions of the Offer”

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Section 16 — “Certain Legal Matters; Regulatory Approvals”

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Section 17 — “Appraisal Rights”

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Section 19 — “Miscellaneous”

(a)(1)(ix) — (xi), (a)(2)(v) — (vi) Not applicable.

## Item 5.   Past Contacts, Transactions, Negotiations and Agreements.
(a), (b) The information set forth in the following sections of the Offer to Purchase is incorporated herein by reference:

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the “Summary Term Sheet”

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the “Introduction”

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Section 8 — “Certain Information Concerning Supernus and Purchaser”

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Section 10 — “Background of the Offer; Past Contacts or Negotiations with Sage”

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Section 11 — “The Merger Agreement; CVR Agreement”

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Section 12 — “Purpose of the Offer; Plans for Sage”

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Schedule I

## Item 6.   Purposes of the Transaction and Plans or Proposals.
(a), (c)(1) – (7) The information set forth in the following sections of the Offer to Purchase is incorporated herein by reference:

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the “Summary Term Sheet”

•

the “Introduction”

•

Section 10 — “Background of the Offer; Past Contacts or Negotiations with Sage”

•

Section 11 — “The Merger Agreement; CVR Agreement”

•

Section 12 — “Purpose of the Offer; Plans for Sage”

•

Section 13 — “Certain Effects of the Offer”

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Schedule I

## Item 7.   Source and Amount of Funds or Other Consideration.
(a) The information set forth in the following sections of the Offer to Purchase is incorporated herein by reference:

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the “Summary Term Sheet”

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Section 9 — “Source and Amount of Funds”

(b), (d) Not applicable.

## Item 8.   Interest in Securities of the Subject Company.
(a) The information set forth in the following sections of the Offer to Purchase is incorporated herein by reference:

•

the “Summary Term Sheet”

•

Section 8 — “Certain Information Concerning Supernus and Purchaser”

•

Section 11 — “The Merger Agreement; CVR Agreement”

•

Section 12 — “Purpose of the Offer; Plans for Sage”

•

Schedule I

(b) The information set forth in the following sections of the Offer to Purchase is incorporated herein by