UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE

SECURITIES EXCHANGE ACT OF 1934

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Filed by a Party other than the Registrant  ☐

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☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☐ Definitive Additional Materials

☒ Soliciting Material under §240.14a-12

TWITTER, INC.

(Name of Registrant as Specified In Its Charter)

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In connection with the pending acquisition of Twitter by an affiliate of Elon Musk, Bret Taylor (@btaylor), chair of Twitter’s board of directors, posted the following (the “Taylor Post”):

The Twitter Board is committed to closing the transaction on the price and terms agreed upon with Mr. Musk and plans to pursue legal action to enforce the merger agreement. We are confident we will prevail in the Delaware Court of Chancery.

Each of Parag Agrawal (@paraga), Twitter’s Chief Executive Officer; Ned Segal (@nedsegal), Twitter’s Chief Financial Officer; Vijaya Gadde (@vijaya), Twitter’s Chief Legal Officer; and Patrick Pichette (@pichette) and Martha Lane Fox (@marthalanefox), members of Twitter’s board of directors, subsequently retweeted the Taylor Post.

Additional Information and Where to Find It

Twitter, its directors and certain executive officers are participants in the solicitation of proxies from stockholders in connection with the pending acquisition of Twitter (the “Transaction”). Twitter has filed a preliminary proxy statement with the Securities and Exchange Commission (the “SEC”) in connection with the solicitation of proxies to approve the Transaction. Twitter will furnish the definitive proxy statement, when available, together with a WHITE proxy card to each Twitter stockholder entitled to vote at the special meeting to consider the Transaction. Additional information regarding such participants, including their direct or indirect interests, by security holdings or otherwise, is included in the proxy statement and other relevant documents filed with the SEC in connection with the Transaction. Additional information relating to the foregoing can also be found in Twitter’s definitive proxy statement for its 2022 Annual Meeting of Stockholders, which was filed with the SEC on April 12, 2022. STOCKHOLDERS ARE URGED TO READ THE PROXY STATEMENT (INCLUDING ANY AMENDMENTS OR SUPPLEMENTS THERETO) AND ANY OTHER RELEVANT DOCUMENTS THAT TWITTER WILL FILE WITH THE SEC WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. Stockholders may obtain, free of charge, the proxy statement, any amendments or supplements thereto, and any other relevant documents filed by Twitter with the SEC in connection with the Transaction at the SEC’s website (http://www.sec.gov). Copies of the proxy statement, any amendments or supplements thereto, and any other relevant documents filed by Twitter with the SEC in connection with the Transaction will also be available, free of charge, at Twitter’s investor relations website (https://investor.twitterinc.com) or by writing to Twitter, Inc., Attention: Investor Relations, 1355 Market Street, Suite 900, San Francisco, California 94103.

Forward-Looking Statements

This communication contains forward-looking statements that involve risks and uncertainties, including statements regarding the Transaction, including related to the closing of the Transaction. If any of these risks or uncertainties materialize, or if any of Twitter’s assumptions prove incorrect, Twitter’s actual results could differ materially from the results expressed or implied by these forward-looking statements. Additional risks and uncertainties include those associated with: the possibility that the conditions to the closing of the Transaction are not satisfied, including the risk that required approvals from Twitter’s stockholders for the Transaction or required regulatory approvals to consummate the Transaction are not obtained; litigation relating to the Transaction; uncertainties as to the timing of the consummation of the Transaction; the ability of each party to consummate the Transaction; possible disruption related to the Transaction to Twitter’s current plans and operations, including through the loss of customers and employees; and other risks and uncertainties detailed in the periodic reports that Twitter files with the SEC, including Twitter’s Annual Report on Form 10-K filed with the SEC on February 16, 2022, and Quarterly Report on Form 10-Q filed with the SEC on May 2, 2022, which may be obtained on the investor relations section of Twitter’s website (https://investor.twitterinc.com). All forward-looking statements in this communication are based on information available to Twitter as of the date of this communication, and Twitter does not assume any obligation to update the forward-looking statements provided to reflect events that occur or circumstances that exist after the date on which they were made, except as required by law.