Mainz Biomed (MYNZ) investor reports 10.7% ownership stake in common shares

Rhea-AI Filing Summary

Kevin Michael Donahue filed a Schedule 13G reporting beneficial ownership of 643,850 shares of Mainz Biomed N.V. common stock, representing 10.7% of the outstanding class.

He reports sole power to vote and to direct the vote for all 643,850 shares, with no shared voting authority. He also reports sole power to dispose or direct the disposition of these shares, again with no shared dispositive power. The filing characterizes him as an individual U.S. investor, not part of a group and not holding the stake on behalf of another person or subsidiary.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

MAINZ BIOMED N.V.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

N5436L101

(CUSIP Number)

10/17/2025

(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)

SCHEDULE 13G

CUSIP No. N5436L101

1

Names of Reporting Persons

Donahue Kevin Michael

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

TEXAS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 643,850.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

643,850.00

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)

10.7 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: MAINZ BIOMED N.V.
(b)	Address of issuer's principal executive offices: ROBERT KOCH STRASSE 50, MAINZ, GERMANY, 55129
Item 2.
(a)	Name of person filing: Kevin Michael Donahue
(b)	Address or principal business office or, if none, residence: 2502 Kirby Street Dallas, Texas 75204
(c)	Citizenship: United States
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: N5436L101
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: 643,850
(b)	Percent of class: 10.7 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 643,850
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 643,850
	(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:
	Not Applicable

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.

Donahue Kevin Michael

Signature:	Kevin Donahue
Name/Title:	Individual
Date:	01/16/2026

FAQ

What ownership stake in MYNZ does Kevin Michael Donahue report?

He reports beneficial ownership of 643,850 shares of Mainz Biomed N.V. common stock, which represents 10.7% of that class of securities.

Does the Schedule 13G show Kevin Michael Donahue as having control over the MYNZ shares?

Yes. He reports sole power to vote or direct the vote for 643,850 shares and sole power to dispose or direct the disposition of those 643,850 shares, with no shared authority.

Is Kevin Michael Donahue part of a group in this MYNZ Schedule 13G filing?

No. The filing indicates he is not part of a group and identifies him as an individual reporting person, rather than a group or institution.

What type of reporting person is listed for this MYNZ Schedule 13G?

The filing classifies Kevin Michael Donahue as an individual (IN) reporting person, with U.S. citizenship.

Does anyone else have beneficial interest in the reported MYNZ shares?

The filing states that ownership of more than 5% on behalf of another person is not applicable, indicating no other person is disclosed as having a right to profits or proceeds from these shares.

Where is Mainz Biomed N.V. based according to this Schedule 13G?

The issuer, Mainz Biomed N.V., lists its principal executive offices at Robert Koch Strasse 50, Mainz, Germany, 55129.