8-K filed April 23, 2026, 7:59 PM ET CIK 0001845337

M&A confidence high sentiment neutral materiality 1.00

Servier completes $2.5B acquisition of Day One Biopharma; shares to be delisted

Day One Biopharmaceuticals, Inc.

Tender offer expired with 88,180,910 shares (85.34%) validly tendered; all conditions met.
Merger completed; stockholders received $21.50 per share cash, ~$2.5B equity value.
Trading halted on Nasdaq; delisting and deregistration initiated via Form 25 and Form 15.
All prior directors and officers removed; replaced by Servier appointees David K. Lee and Danielle Button.
Company equity plans, ESPP, and at-market sales agreement terminated effective at closing.

item 1.02 item 2.01 item 3.01 item 5.01 item 5.03 item 3.03 item 5.02 item 9.01

Machine-readable event card

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cik: 0001845337
company_name: Day One Biopharmaceuticals, Inc.
filed_at: 2026-04-23T23:59:59+00:00
discovered_at: 2026-05-14T18:02:33.110384+00:00
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Source-grounded claims

4baf129f29ae151899753c253947683a3155847d

Day One Biopharmaceuticals, Inc.: Amended and restated certificate of incorporation effective at the Effective Time of the merger.

Pursuant to the Merger Agreement, as of the Effective Time, the Company’s certificate of incorporation, as in effect immediately prior to the Effective Time, was amended and restated in its entirety (the “ Amended and Restated Certificate of Incorporation ”).

SEC 8-K Item 5.03/5.05/5.06 confidence 0.9 SEC evidence

c2d3e52ea045f171ae676d1bd364be7d75d9b4a0

Day One Biopharmaceuticals, Inc.: Bylaws of Purchaser became the bylaws of the Company effective at the Effective Time.

In addition, pursuant to the Merger Agreement, as of the Effective Time, the bylaws of Purchaser, as in effect immediately prior to the Effective Time, became the bylaws of the Company (the “ Amended and Restated Bylaws ”).

SEC 8-K Item 5.03/5.05/5.06 confidence 0.9 SEC evidence

98e68dc92e3c63ebd664d2f970fad93bae12d289

Day One Biopharmaceuticals, Inc. underwent a change of control involving Servier Pharmaceuticals LLC (Parent), Servier Detroit Inc. (Purchaser), and Servier S.A.S. (Guarantor) for $21.50 per share in cash (closed 2026-04-23).

tender offer (the “ Offer ”) to purchase all of the issued and outstanding shares of common stock of the Company, par value $0.0001 per share (the “ Shares ”), at a price of $21.50 per share (the “ Offer Price ”), net to the seller in cash, without interest thereon, and less any applicable tax withholding, upon the terms and subject to the conditions set

SEC 8-K Item 2.01/5.01 confidence 0.95 SEC evidence

dc2051da2b3877bfe231dd9def97f142a20445ea

Day One Biopharmaceuticals, Inc. terminated Equity Distribution Agreement with Piper Sandler & Co. and JonesTrading Institutional Services LLC (effective 2026-04-20).

on April 20, 2026, the Company provided written notice to Piper Sandler & Co. and JonesTrading Institutional Services LLC as sales agents (together, the “ Agents ”), of its election to terminate the Equity Distribution Agreement, dated June 1, 2022, between the Company and the Agents (the “ Sales Agreement ”).

SEC 8-K Item 1.01/1.02 confidence 0.9 SEC evidence

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Pursuant to the Merger Agreement, as of the Effective Time, the Company’s certificate of incorporation, as in effect immediately prior to the Effective Time, was amended and restated in its entirety (the “ Amended and Restated Certificate of Incorporation ”).

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tender offer (the “ Offer ”) to purchase all of the issued and outstanding shares of common stock of the Company, par value $0.0001 per share (the “ Shares ”), at a price of $21.50 per share (the “ Offer Price ”), net to the seller in cash, without interest thereon, and less any applicable tax withholding, upon the terms and subject to the conditions set

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tender offer (the “ Offer ”) to purchase all of the issued and outstanding shares of common stock of the Company, par value $0.0001 per share (the “ Shares ”), at a price of $21.50 per share (the “ Offer Price ”), net to the seller in cash, without interest thereon, and less any applicable tax withholding, upon the terms and subject to the conditions set

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same fact type: ma_transaction, material_agreement same SEC item: 1.02, 2.01, 3.01, 3.03, 5.01, 5.02, 9.01 same event type: m_and_a similar materiality

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tender offer (the “ Offer ”) to purchase all of the issued and outstanding shares of common stock of the Company, par value $0.0001 per share (the “ Shares ”), at a price of $21.50 per share (the “ Offer Price ”), net to the seller in cash, without interest thereon, and less any applicable tax withholding, upon the terms and subject to the conditions set

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Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, par value $0.10 per share CTRA New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405

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same fact type: ma_transaction same SEC item: 2.01, 3.03, 5.02, 5.03, 9.01 same event type: m_and_a similar materiality

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tender offer (the “ Offer ”) to purchase all of the issued and outstanding shares of common stock of the Company, par value $0.0001 per share (the “ Shares ”), at a price of $21.50 per share (the “ Offer Price ”), net to the seller in cash, without interest thereon, and less any applicable tax withholding, upon the terms and subject to the conditions set

Comparable filing

of Flushing (“ Flushing Common Stock ”) issued and outstanding immediately prior to the Effective Time, subject to certain exceptions, was converted into the right to receive 0.85 of a share (the “ Exchange Ratio ”) of common stock, par value $0.01 per share, of OceanFirst (“ OceanFirst Common Stock ” and such consideration, the “ Merger Consideration ”).

Filing page SEC filing

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same fact type: material_agreement same SEC item: 9.01 same event type: m_and_a similar materiality

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on April 20, 2026, the Company provided written notice to Piper Sandler & Co. and JonesTrading Institutional Services LLC as sales agents (together, the “ Agents ”), of its election to terminate the Equity Distribution Agreement, dated June 1, 2022, between the Company and the Agents (the “ Sales Agreement ”).

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on April 20, 2026, the Company provided written notice to Piper Sandler & Co. and JonesTrading Institutional Services LLC as sales agents (together, the “ Agents ”), of its election to terminate the Equity Distribution Agreement, dated June 1, 2022, between the Company and the Agents (the “ Sales Agreement ”).

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tender offer (the “ Offer ”) to purchase all of the issued and outstanding shares of common stock of the Company, par value $0.0001 per share (the “ Shares ”), at a price of $21.50 per share (the “ Offer Price ”), net to the seller in cash, without interest thereon, and less any applicable tax withholding, upon the terms and subject to the conditions set

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excluded shares pursuant to the terms of the Merger Agreement, was cancelled and extinguished and automatically converted into the right to receive an amount in cash equal to $5.80 per share of Class A Common Stock, without interest thereon (the “ Class A Per Share Price ”), (ii) each share of the Company’s Class B common stock, par value $0.00001 per share

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Source: SEC EDGAR

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