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 (Amendment No.          )

Filed by the Registrant þ

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

þ

Definitive Additional Materials

Soliciting Material under §240.14a-12

Tactile Systems Technology, 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):

þ

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


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Your Vote Counts! TACTILE SYSTEMS TECHNOLOGY, INC. 2023 Annual Meeting Vote by May 7, 2023 11:59 PM ET You invested in TACTILE SYSTEMS TECHNOLOGY, INC. and it’s time to vote! This is an Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to be Held on May 8, 2023. Vote Virtually at the Meeting* May 8, 2023 9:00 AM, CDT Virtually at: www.virtualshareholdermeeting.com/TCMD2023 *Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number V1.1 For complete information and to vote, visit www.ProxyVote.com Control # V06157-P91168 Get informed before you vote View the Notice and Proxy Statement and the Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to April 24, 2023. If you would like to request a copy of the material(s) for this and/or future stockholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to [email protected]. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy. TACTILE SYSTEMS TECHNOLOGY, INC. 3701 WAYZATA BLVD. SUITE 300 MINNEAPOLIS, MN 55416

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THIS IS NOT A VOTABLE BALLOT This is an overview of the more complete proxy materials that are available on the Internet or by mail. You may view the proxy materials online at www.proxyvote.com or easily request a copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. Vote at www.ProxyVote.com Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”. Voting Items Board Recommends V06158-P91168 01) Valerie Asbury 02) Bill Burke 03) Sheri Dodd 04) Raymond Huggenberger 05) Daniel Reuvers 06) Brent Shafer 07) Carmen Volkart 1. Elect seven directors Nominees: 2. Ratify the appointment of Grant Thornton LLP as our independent registered public accounting firm for the year ending December 31, 2023. 3. Approve, on an advisory basis, the 2022 compensation of our named executive officers. NOTE: In their discretion, the proxies are authorized to vote on such other business as may properly come before the meeting or any adjournment thereof. For For For