Company: TEM
Filing Date: 2025-04-07
Form Type: DEFA14A
Source: 0001193125-25-074650
Chunk: 0

Company: Tempus AI, Inc.
Filing Date: 2025-04-07
Form: DEFA14A
Chunk 0
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☒ Filed by a party other than the Registrant ☐ Check the appropriate box:

| ☐ | 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 |

TEMPUS AI, INC. (Name of Registrant as Specified in Its Charter) (Name of Person(s) Filing Proxy Statement if other than the Registrant) Payment of Filing Fee (Check all boxes that apply):

| ☒ | No fee required |

| ☐ | Fee paid previously with preliminary materials |

| ☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

Your Vote Counts! ATTN: LEGAL TEMPUS AI, INC. 600 WEST CHICAGO AVENUE, SUITE 510 CHICAGO, IL 60654 This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting. To view the Notice and Proxy Statement and Annual Report, and to obtain directions to attend the meeting, go to: www.proxyvote.com. Under United States Securities and Exchange Commission rules, proxy materials do not have to be delivered in paper. Proxy materials can be distributed by making them available on the Internet. TEMPUS AI, INC. 2025 Annual Meeting of Stockholders Vote by May 19, 2025 10:59 PM Central Time You invested in TEMPUS AI, INC. and it’s time to vote! You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy materials for the stockholder meeting to be held on May 20, 2025. Vote Virtually at the Meeting* May 20, 2025 1:30 PM Central Time Virtually at: www.virtualshareholdermeeting.com/TEM202