This Amendment No. 3 (this “Amendment”) amends and supplements the Tender Offer Statement on
Schedule TO filed by MorphoSys Development Inc., a Delaware corporation (“Purchaser”), and MorphoSys AG, a German stock corporation (Aktiengesellschaft) (“Parent”), with the U.S. Securities and Exchange Commission on
June 16, 2021 (together with any subsequent amendments and supplements thereto, the “Schedule TO”). The Schedule TO relates to the offer by Purchaser to purchase all outstanding shares of common stock, $0.0001 par value per share
(the “Shares”), of Constellation Pharmaceuticals, Inc., a Delaware corporation (the “Company”), at a price of $34.00 per Share, net to the holder in cash, without interest and subject to any withholding of taxes, upon the terms
and subject to the conditions described in the Offer to Purchase dated June 16, 2021 (together with any amendments or supplements thereto, the “Offer to Purchase”) and in the accompanying Letter of Transmittal (together with any
amendments or supplements thereto and with the Offer to Purchase, the “Offer”), which are annexed to and filed with the Schedule TO as Exhibits (a)(1)(A) and
(a)(1)(B), respectively. Purchaser is an indirect wholly owned subsidiary of
Parent. This Amendment is being filed on behalf of Parent and Purchaser. Unless otherwise indicated, references to sections in the Schedule TO are references to sections of the Offer to Purchase.
Amendments to the Offer to Purchase:
Items 1 through
11.
The information set forth in the Offer to Purchase under Section 15—“Certain Legal Matters; Regulatory Approvals” and Items 1
through 11 of the Schedule TO, to the extent such Items incorporate by reference the information contained in the Offer to Purchase, are hereby amended and supplemented by replacing the sixth paragraph under “Legal Proceedings Relating to the
Tender Offer” on page 60 with the following:
“On July 2, 2021, a complaint was filed by a purported stockholder of the
Company regarding the Transactions. The complaint, filed on an individual basis by the plaintiff, is captioned Alex Ciccotelli v. Constellation Pharmaceuticals, Inc., et al., Case No. 2:21-cv-02970 (E.D. Pa.) (the “Ciccotelli Complaint”). The Ciccotelli Complaint names as defendants the Company, Parent, Purchaser, and each member of the Company Board. The Ciccotelli Complaint
alleges violations of Sections 14(d) and 14(e) of the Exchange Act against all defendants and violations of Section 20(a) of the Exchange Act against the individual defendants, Parent, and Purchaser. The plaintiff contends that the Schedule 14D-9 omitted and/or misrepresented material information regarding the Transactions. The Ciccotelli Complaint seeks: (i) injunctive relief preventing the consummation of the Transactions; (ii) rescissory
damages or rescission in the event the Transactions are consummated; (iii) the filing of a Solicitation/Recommendation Statement on Schedule 14D-9 that does not contain any untrue statements of material
fact and that states all material facts required in it or necessary to make the statements contained therein not misleading; (iv) declaration that defendants violated Sections 14(d), 14(e), and 20(a) of the Exchange Act and Rule 14a-9 thereunder; and (v) an award of plaintiff’s expenses, including attorneys’ and experts’ fees.
On July 2, 2021, a complaint was filed by a purported stockholder of the Company regarding the Transactions. The complaint, filed on an
individual basis by the plaintiff, is captioned Catherine Coffman v. Constellation Pharmaceuticals, Inc., et al., Case No. 1:21-cv-00986 (D. Del.) (the
“Coffman Complaint”). The Coffman Complaint names as defendants the Company and each member of the Company Board. The Coffman Complaint alleges violations of Sections 14(d) and 14(e) of the Exchange Act and Rule 14d-9 thereunder against all defendants and violations of Section 20(a) of the Exchange Act against the individual defendants. The plaintiff contends that the Schedule
14D-9 omitted and/or misrepresented material information regarding the Transactions. The Coffman Complaint seeks: (i) injunctive relief preventing the consummation of the Transactions;
(ii) rescissory damages or rescission in the event the Transactions are consummated; (iii) the filing of a Solicitation/Recommendation Statement on Schedule 14D-9 that does not contain any untrue
statements of material fact and that states all material facts required in it or necessary to make the statements contained therein not misleading; and (iv) an award of plaintiff’s expenses, including attorneys’ and experts’
fees.
The Company, Parent and Purchaser believe that the claims asserted in each of the complaints are without merit.”