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MANNATECH INC

For the period ended Jun 2, 2026. Filed Apr 21, 2026.

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What shareholders are asked to vote on at a company's meeting. It is where to find what directors and top executives are paid, and who owns the most shares.

Jun 2, 2026 · Filed Apr 21, 2026

MTEX$8.11+0.6%Stored close · as of Nov 6, 2026
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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 ☒

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

Mannatech, Incorporated

(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 the appropriate box):

☒No fee required.
☐Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.
☐Fee paid previously with preliminary materials.

FLOWER MOUND, TEXAS

April 21, 2026

Dear Shareholder:

This letter extends to you a personal invitation to attend Mannatech, Incorporated's ("Mannatech") virtual-only 2026 Annual Shareholders’ Meeting on Tuesday, June 2, 2026, at 9:00 a.m., Central Daylight Time. This year’s annual meeting will be conducted virtually because we believe that holding our meeting virtually is both cost effective for the company and convenient for our shareholders. We are recommending that all registered shareholders participate in our annual meeting online by way of our live webcast as outlined in this proxy statement. You will be able to participate in the annual meeting, vote your shares electronically and submit your questions during the live webcast of the meeting.

The purpose of this year’s meeting is to (i) elect two Class III directors, (ii) ratify the appointment of our independent registered public accounting firm, and (iii) hold an advisory vote on executive compensation (“Say-on-Pay”).

We have enclosed with this letter an official notice of our virtual-only 2026 Annual Shareholders’ Meeting and proxy statement, which contains further information about how you may participate in the meeting, the items to be voted on, and information about the meeting itself, including a description of the matters to be considered and acted on at our virtual-only 2026 Annual Shareholders’ Meeting.

REMEMBER, regardless of the number of shares that you hold, your vote is very important to our business and to us. Whether or not you plan to participate in our virtual-only 2026 Annual Shareholders’ Meeting virtually, we urge you to cast your vote by telephone or through the Internet by following the instructions included on the Notice of Internet Availability of Proxy Materials that you received, or if you received a paper copy of the proxy card, to mark, date, sign and return the proxy card in the envelope provided. You may still vote electronically if you participate in the virtual-only meeting, even if you have previously given your proxy.

We want to thank you for your ongoing support, and we hope you attend our virtual-only 2026 Annual Shareholders’ Meeting.

Sincerely,

J. Stanley Fredrick Chairman of the Board of Directors

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.