Terry LaCore holds 8.27% stake in Mannatech

MANNATECH INC (MTEX) reports that investor Terry LaCore has filed Amendment No. 1 to a Schedule 13G regarding ownership of its common stock.

Rhea-AI Filing Summary

MANNATECH INC (MTEX) reports that investor Terry LaCore has filed Amendment No. 1 to a Schedule 13G regarding ownership of its common stock. LaCore reports beneficial ownership of 159,585 shares of Mannatech common stock, representing 8.27% of the class as of June 30, 2026.

LaCore reports sole power to votesole power to dispose of

Key Figures

Shares beneficially owned: 159,585 shares Percent of class owned: 8.27 % Sole voting power: 159,585 shares +5 more

8 metrics

Shares beneficially owned 159,585 shares Common stock of Mannatech Inc reported by Terry LaCore

Percent of class owned 8.27 % Percentage of Mannatech common stock class beneficially owned by Terry LaCore

Sole voting power 159,585 shares Shares over which Terry LaCore has sole power to vote or direct the vote

Shared voting power 0 shares Shares over which Terry LaCore has shared power to vote or direct the vote

Sole dispositive power 159,585 shares Shares over which Terry LaCore has sole power to dispose or direct disposition

Shared dispositive power 0 shares Shares over which Terry LaCore has shared power to dispose or direct disposition

CUSIP 563771203 CUSIP number for Mannatech Inc common stock, par value $0.0001 per share

As-of date for ownership 06/30/2026 Date associated with the reported beneficial ownership and percentage of class

Key Terms

beneficially owned, Percent of class, Sole power to vote or to direct the vote, Sole power to dispose or to direct the disposition of, +1 more

5 terms

beneficially owned financial

"Item 4. | Ownership (a) | Amount beneficially owned: 159,585"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Percent of class financial

"Item 4. | Ownership (b) | Percent of class: 8.27 %"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

Sole power to vote or to direct the vote financial

"(i) Sole power to vote or to direct the vote: 159,585"

Sole power to dispose or to direct the disposition of financial

"(iii) Sole power to dispose or to direct the disposition of: 159,585"

Schedule 13G regulatory

"Amendment No. 1 to a Schedule 13G regarding ownership"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What percentage of MANNATECH INC (MTEX) does Terry LaCore currently own?

Terry LaCore reports beneficial ownership of 8.27% of the class of Mannatech’s common stock. This is based on 159,585 shares beneficially owned as of June 30, 2026, according to the Schedule 13G/A filing.

How many MANNATECH INC (MTEX) shares does Terry LaCore beneficially own?

Terry LaCore beneficially owns 159,585 shares of Mannatech common stock. These shares represent 8.27% of the class, and he reports sole voting and dispositive power over all of them in the Schedule 13G/A.

Does Terry LaCore share voting power over MANNATECH INC (MTEX) shares?

No. Terry LaCore reports sole power to vote 159,585 shares of Mannatech common stock and 0 shares with shared voting power. He also reports sole dispositive power over the same 159,585 shares.

What type of filing did Terry LaCore submit for MANNATECH INC (MTEX)?

Terry LaCore submitted an Amendment No. 1 to Schedule 13G for Mannatech Inc. This filing updates his beneficial ownership of 159,585 shares, representing 8.27% of the company’s common stock as of June 30, 2026.

Who signed the Schedule 13G/A related to MANNATECH INC (MTEX) on behalf of Terry LaCore?

The Schedule 13G/A was signed by Tana Lynette Ward as Attorney-in-Fact for Terry LaCore. The filing reflects LaCore’s reported beneficial ownership and authority over 159,585 Mannatech common shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 08/19/2026 - 12:46 PM Accepted by SEC EDGAR 08/19/2026 - 12:46 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

MANNATECH INC

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

563771203

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 563771203

1

Names of Reporting Persons

LACORE TERRY

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power
6	Shared Voting Power
7	Sole Dispositive Power
8	Shared Dispositive Power

9

Aggregate Amount Beneficially Owned by Each Reporting Person

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

12

Type of Reporting Person (See Instructions)

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MANNATECH INC
(b)	Address of issuer's principal executive offices: 1410 LAKESIDE PARKWAY, SUITE 200, FLOWER MOUND, TEXAS, 75028
Item 2.
(a)	Name of person filing: Terry LaCore
(b)	Address or principal business office or, if none, residence: 522 LaCore Lane, Melissa, TX 75454
(c)	Citizenship: United States
(d)	Title of class of securities: Common Stock, par value $0.0001 per share
(e)	CUSIP No.: 563771203
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 159,585
(b)	Percent of class: 8.27 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 159,585
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 159,585
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

LACORE TERRY

Signature:	Tana Lynette Ward
Name/Title:	Attorney-in-Fact
Date:	08/19/2026