Form 8-K

8-K — MANNATECH INC

Accession: 0001437749-26-019830

Filed: 2026-06-08

Period: 2026-06-03

CIK: 0001056358

SIC: 2833 (MEDICINAL CHEMICALS & BOTANICAL PRODUCTS)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Item: Financial Statements and Exhibits

Documents

8-K — mtex20260605_8k.htm (Primary)

EX-99.1 — EXHIBIT 99.1 (ex_973051.htm)

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0001056358

2026-06-03

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): June 3, 2026

MANNATECH, INCORPORATED

(Exact Name of Registrant as Specified in its Charter)

Texas

000-24657

75-2508900

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

1410 Lakeside Parkway, Suite 200

Flower Mound,

Texas

75028

(Address of Principal Executive Offices, including Zip Code)

Registrant’s Telephone Number, including Area Code:

(972)

471-7400

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities Registered Pursuant to Section 12(b) of the Act:

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

Common Stock,

par value $0.0001 per share

MTEX

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On June 8, 2026, Mannatech, Incorporated (the "Company") issued a press release announcing that the Board of Directors appointed Yasir Haider as Chief Financial Officer ("CFO") and principal financial officer of Mannatech Incorporated (the "Company") effective June 3, 2026. James Clavijo, who served as the Company's CFO since July 2024, will relinquish the role to Mr. Haider.

Mr. Haider joined the Company on January 6, 2025, as the Company’s Controller. Prior to joining the Company, Mr. Haider held senior finance leadership roles, including Chief Financial Officer and Financial Controller, where he was responsible for global financial operations, multi-entity consolidations, financial reporting, and capital planning across complex organizations. His experience includes SEC reporting, mergers and acquisitions, and the development of scalable financial infrastructure to support operational growth. Mr. Haider began his career in public accounting and holds an MBA from West Texas A&M University.

A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K.

Item 9.01 Financial Statements and Exhibits

Exhibit Number

Description

99.1*

Press Release, dated June 8, 2026 titled ''Mannatech Announces Appointment of Yasir Haider as Chief Financial Officer''

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).

*Furnished herewith.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: June 8, 2026

MANNATECH, INCORPORATED

By:

/s/ Landen Fredrick

Landen Fredrick

Chief Executive Officer

EX-99.1 — EXHIBIT 99.1

EX-99.1

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ex_973051.htm

Exhibit 99.1

Mannatech Announces Appointment of Yasir Haider as Chief Financial Officer

FLOWER MOUND, Texas - June 8, 2026 - Mannatech, Incorporated (NASDAQ: MTEX) announces that on June 3, 2026, Yasir Haider was appointed Chief Financial Officer of Mannatech, Incorporated (the "Company").

As previously announced, Mr. Haider was appointed Interim Chief Financial Officer on March 20, 2026, by the Company’s board of directors to facilitate the transition of duties from the Company’s former Chief Financial Officer, James Clavijo.

Commenting on Mr. Haider’s promotion, Landen Fredrick, the Company’s President and CEO, stated, “Yasir has earned this opportunity through the way he has stepped into the role, brought discipline to our financial processes, and helped us manage the business with greater focus and accountability. He understands where Mannatech is today, where we need to go, and the importance of executing with urgency and precision. I am confident Yasir will be a strong financial leader for the Company as we continue working to improve performance and create long-term value for our shareholders.”

About Mannatech:

Mannatech is a leading global health and wellness company committed to empowering everyone to live their best life through cutting-edge, science-backed nutritional products, patented technology, and a rewarding business opportunity. With operations in 25 markets†, Mannatech helps people to live healthier, more fulfilling lives while making a positive social impact in the world. Individuals interested in Mannatech's products or in exploring its business opportunity can learn more at Mannatech.com.

†Mannatech operates in China under a cross-border e-commerce platform that is separate from its network marketing model.

Please Note: This release contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. These forward-looking statements generally can be identified by use of phrases or terminology such as “may,” “will,” “should,” "hope," “could,” “would,” “expects,” “plans,” “intends,” “anticipates,” “believes,” “estimates,” “approximates,” “predicts,” “projects,” “potential,” and “continues” or other similar words or the negative of such terminology. Similarly, descriptions of Mannatech’s objectives, strategies, plans, goals, or targets contained herein are also considered forward-looking statements. Mannatech believes this release should be read in conjunction with all of its filings with the United States Securities and Exchange Commission and cautions its readers that these forward-looking statements are subject to certain events, risks, uncertainties, and other factors. Some of these factors include, among others, Mannatech’s inability to attract and retain associates and members, increases in competition, litigation, regulatory changes, and its planned growth into new international markets. Although Mannatech believes that the expectations, statements, and assumptions reflected in these forward-looking statements are reasonable, it cautions readers to always consider all of the risk factors and any other cautionary statements carefully in evaluating each forward-looking statement in this release, as well as those set forth in its latest Annual Report on Form 10-K, and other filings filed with the United States Securities and Exchange Commission, including its current reports on Form 8-K. All of the forward-looking statements contained herein speak only as of the date of this release.

Contact Information:

Erin Barta

General Counsel and Corporate Secretary

214.724.3378ir@mannatech.com

www.mannatech.com

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