TSS, 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:

TSS, 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):

April 23, 2026

Dear Stockholder,

We cordially invite you to attend our 2026 Annual Meeting of Stockholders (the “Annual Meeting”) to be held at 10:00 a.m., Central Daylight Time, on Thursday, June 4, 2026, at our offices located at 1800 Aviation Drive, Suite 100, Georgetown, Texas 78628. The attached notice of annual meeting and this proxy statement describe the business we will conduct at the Annual Meeting and provide information about us that you should consider when you vote your shares.

During 2025, Dr. Vivek Mohindra was appointed a Class III director to serve until the 2026 Annual Meeting of Stockholders. At the Annual Meeting, we propose that Mr. Peter Woodward and Dr. Mohindra each be elected as a Class III director to serve a three-year term expiring at the 2029 Annual Meeting of Stockholders. In addition, we will ask stockholders to ratify the appointment of BDO USA, P.C. as our independent registered public accounting firm for our fiscal year ending December 31, 2026. The enclosed proxy statement contains the recommendation of our Board of Directors regarding each of these proposals.

We hope you will be able to attend the Annual Meeting. Whether you plan to attend the Annual Meeting or not, it is important that your shares are represented. Therefore, when you have finished reading the proxy statement, you are urged to complete, sign, date and return the enclosed proxy card promptly in accordance with the instructions set forth on the card. We encourage you to vote by proxy so that your shares will be represented and voted at the meeting, whether or not you can attend.

Sincerely,

/s/ Darryll E. Dewan

Darryll E. Dewan

President and Chief Executive Officer

TSS, INC.

NOTICE OF ANNUAL MEETING OF STOCKHOLDERS

TO BE HELD ON JUNE 4, 2026

To the Stockholders

of TSS, Inc.:

NOTICE IS HEREBY GIVEN that the 2026 Annual Meeting of Stockholders of TSS, Inc. will be held at 10:00 a.m., Central Daylight Time, on June 4, 2026 (the “Annual Meeting”) at our offices located at 1800 Aviation Drive, Suite 100, Georgetown, Texas 78628 for the following purposes:

Only those holders of our common stock of record as of the close of business on April 7, 2026, are entitled to notice of, and to vote at, the Annual Meeting and at any adjournments or postponements thereof. A list of stockholders of record will be available at the meeting and, during the 10 days prior to the meeting, at our offices at 1800 Aviation Drive, Suite 100, Georgetown, TX 78628.

A total of 28,860,368 shares of our common stock were issued and outstanding as of that record date. Each share of our common stock entitles its holder to one vote. Cumulative voting of shares of common stock is not permitted.

We will be using the SEC’s Notice and Access model, which allows us to make the proxy materials available on the Internet as the primary means of furnishing proxy materials to stockholders. On or about April 23, 2026, we will mail to all stockholders a Notice of Internet Availability of Proxy Materials, which contains instructions for accessing our proxy materials on the Internet and voting by telephone or on the Internet. The Notice of Internet Availability of Proxy Materials also contains instructions for requesting a printed set of proxy materials. The Notice of Annual Meeting and Proxy Statement, and the Annual Report on Form 10-K for the fiscal year ended December 31, 2025, are also available at proxyvote.com.

All stockholders are cordially invited to attend the Annual Meeting. At least a majority of all issued and outstanding shares of common stock on the record date is required to constitute a quorum. Accordingly, whether you plan to attend the Annual Meeting or not, we ask that you complete, sign, date and return the enclosed proxy card as soon as possible in accordance with the instructions on the proxy card. A pre-addressed, postage prepaid return envelope is enclosed for your convenience.

BY ORDER OF THE BOARD OF DIRECTORS

/s/ Darryll E. Dewan

Darryll E. Dewan

President and Chief Executive Officer