UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Schedule TO

Tender Offer Statement under Section 14(d)(1) or 13(e)(1)

of the Securities Exchange Act of 1934

(Amendment No. 6)

CERNER CORPORATION

(Name of Subject Company (Issuer))

CEDAR ACQUISITION CORPORATION

(Offeror)

a subsidiary of

OC ACQUISITION LLC

(Parent of Offeror)

a subsidiary of

ORACLE CORPORATION

(Parent of Offeror)

(Names of Filing Persons)

Common Stock, Par Value $0.01 per share

(Title of Class of Securities)

156782104

(CUSIP Number of Class of Securities)

Brian S. Higgins

Senior Vice President and Secretary

Oracle Corporation

2300 Oracle Way

Austin, Texas 78741

Telephone: (737) 867-1000

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications on Behalf of Filing Persons)

With copies to:

Keith A. Flaum

Christopher R. Moore

Tiffany P. Posil

Hogan Lovells US LLP

4085 Campbell Avenue, Suite 100

Menlo Park, California 94025

Telephone: (650) 463-4000

CALCULATION OF FILING FEE

Check the appropriate boxes below to designate any transactions to which the statement relates:

Check the following box if the filing is a final amendment reporting the results of the tender offer: ☐

If applicable, check the appropriate box(es) below to designate the appropriate rule provision(s) relied upon:

This Amendment No. 6 (this “Amendment”) amends and supplements the Tender Offer Statement on Schedule TO (together with any amendments and supplements thereto, the “Schedule TO”), filed with the Securities and Exchange Commission on January 19, 2022 by Cedar Acquisition Corporation, a Delaware corporation (“Purchaser”), which is a wholly owned subsidiary of OC Acquisition LLC, a Delaware limited liability company, which is a wholly owned subsidiary of Oracle Corporation, a Delaware corporation (“Oracle”). The Schedule TO relates to the offer by Purchaser to purchase all of the issued and outstanding shares of common stock, par value $0.01 per share (the “Shares”), of Cerner Corporation, a Delaware corporation, at a purchase price of $95.00 per Share net to the seller in cash, without interest thereon and subject to any required tax withholding, upon the terms and subject to the conditions set forth in the Offer to Purchase, dated January 19, 2022 (the “Offer to Purchase”), and in the related Letter of Transmittal, copies of which are attached to the Schedule TO as Exhibits (a)(1)(A) and (a)(1)(B), respectively.

Except as otherwise set forth in this Amendment, the information set forth in the Schedule TO remains unchanged and is incorporated herein by reference to the extent relevant to the items in this Amendment. Capitalized terms used but not defined herein have the meanings ascribed to them in the Schedule TO.

Items 1 through 9 and 11.

The Offer to Purchase and Items 1 through 9 and 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 adding the following text thereto:

“On May 10, 2022, Purchaser extended the expiration of the Offer. The Offer was previously scheduled to expire at 12:00 midnight, Eastern Time, at the end of the day on May 11, 2022. The expiration date of the Offer has been extended until 12:00 midnight, Eastern Time, at the end of the day on June 6, 2022, unless further extended. American Stock Transfer & Trust Company, LLC, the depositary for the Offer, has indicated that as of 12:00 midnight, Eastern Time, at the end of the day on May 9, 2022, approximately 29,782,150 Shares had been validly tendered into and not validly withdrawn from the Offer, representing approximately 10.1% of the outstanding Shares.

On May 10, 2022, Oracle issued a press release announcing the extension of the Offer. The full text of the press release is attached as Exhibit (a)(5)(O) to the Schedule TO and is incorporated herein by reference.”

Adding a new paragraph to the end of the section captioned “Regulatory Approvals—Foreign Competition Laws—Saudi Arabia” under Section 16 – “Certain Legal Matters; Regulatory Approvals” as set forth below:

“On April 21, 2022, the General Authority for Competition of the Kingdom of Saudi Arabia issued a no-objection certificate unconditionally authorizing the transaction.”

Adding a new paragraph to the end of the section captioned “Regulatory Approvals—Other Regulatory Approvals—France” under Section 16 – “Certain Legal Matters; Regulatory Approvals” as set forth below:

“On April 21, 2022, Oracle received an unconditional clearance Ministry Notice from the French Ministre chargé de l’Economie et des Finances.”

Adding a new paragraph to the end of the section captioned “Regulatory Approvals—Other Regulatory Approvals—Romania” under Section 16 – “Certain Legal Matters; Regulatory Approvals” as set forth below:

“On April 8, 2022, following the receipt of unconditional clearance from the National Defense Council (Consiliul Suprem de Apărare al Ţării), Oracle received an unconditional clearance letter from the Romanian Competition Council.”

Amendments to the Offer to Purchase and Exhibits to the Schedule TO

All references to “12:00 midnight, Eastern Time, at the end of the day on May 11, 2022” set forth in the Offer to Purchase (Exhibit (a)(1)(A)), Letter of Transmittal (Exhibit (a)(1)(B)), Notice of Guaranteed Delivery (Exhibit (a)(1)(C)), Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees (Exhibit (a)(1)(D)), and Letter to Clients for use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees (Exhibit (a)(1)(E)), each as amended by Amendment No. 5 to the Schedule TO, are hereby amended and replaced with “12:00 midnight, Eastern Time, at the end of the day on June 6, 2022.”

Item 12. Exhibits.

Item 12 of the Schedule TO is hereby amended and supplemented by adding the following exhibits:

SIGNATURES

After due inquiry and to the best knowledge and belief of the undersigned, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Date: May 10, 2022