SEC Form DEFA14A filed by Guardian Pharmacy Services Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934

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 Pursuant to § 240.14a-12

Guardian Pharmacy Services, Inc.

(Name of Registrant as Specified in Its Charter)

N/A

(Name of Person(s) Filing Proxy Statement if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

☒ 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.

Guardian Pharmacy Services P.O. BOX 8016, CARY, NC 27512-9903 Your vote matters! Guardian Pharmacy Services, Inc. Annual Meeting of Stockholders Friday, May 9, 2025 1:00 PM, Eastern Time 8909 Purdue Road, Suite 500, Indianapolis, IN 46268 For a convenient way to view proxy materials, VOTE, and obtain directions to attend the meeting go to www.proxydocs.com/GRDN To vote your proxy while visiting this site, you will need the 12 digit control number in the box below. This communication presents only an overview of the more complete proxy materials that are available to you on the internet. This is not a ballot. You cannot use this notice to vote your shares. We encourage you to access and review all of the important information contained in the proxy materials before voting. 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. If you want to receive a paper or e-mail copy of the proxy material, you must request one. There is no charge to you for requesting a copy. In order to receive a paper package in time for this year’s meeting, you must make this request on or before April 29, 2025. Meeting Materials: Notice of Meeting and Proxy Statement & Annual Report on Form 10-K. Important Notice Regarding the Availability of Proxy Materials for the Stockholders Meeting To Be Held On May 9, 2025 For Stockholders of record as of March 14, 2025 To order paper materials, use one of the following methods. Internet: www.investorelections.com/GRDN Call: 1-866-648-8133 Email: paper Investorelections.com If requesting material by e-mail, please send a blank e-mail with the 12 digit control number (located below) in the subject line. No other requests, instructions OR other inquiries should be included with your e-mail requesting material. Your control number Have the 12 digit control number located in the box above available when you access the website and follow the instructions. SEE REVERSE FOR FULL AGENDA Copyright© 2025 BetaNXT, Inc. or its affiliates. All Rights Reserved

Guardian Guardian Pharmacy Services, Inc. Annual Meeting of Stockholders THE BOARD OF DIRECTORS RECOMMENDS A VOTE: FOR each of the nominees listed in PROPOSAL 1 and FOR PROPOSAL 2 PROPOSAL 1. To elect Class I directors, to hold office until the annual meeting of stockholders to be held in 2028 and until their successors are duly elected and qualified. 1.01 David Morris 1.02 Mary Sue Patchett 1.03 Thomas Salentine, Jr. 2. To ratify the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for 2025.