Investor holds 4.9% stake in Mayville Engineering

Mayville Engineering Company, Inc. received an updated ownership report showing that Hilve Holdings Limited and its sole shareholder, Mikhail Stiskin, beneficially own 995,756 shares of Common Stock.

Rhea-AI Filing Summary

Mayville Engineering Company, Inc. received an updated ownership report showing that Hilve Holdings Limited and its sole shareholder, Mikhail Stiskin, beneficially own 995,756 shares of Common Stock. This stake represents 4.9% of the outstanding common shares, based on 20,317,825 shares outstanding as of September 30, 2025.

Hilve Holdings Limited directly holds all 995,756 shares, while Stiskin may be deemed to beneficially own the same amount through his sole ownership of Hilve. Both report sole voting and dispositive power over these shares and certify that the investment is not intended to change or influence control of the company.

FAQ

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

What ownership stake in MEC is reported in this Schedule 13G/A amendment?

The filing reports that Hilve Holdings Limited and Mikhail Stiskin beneficially own 995,756 MEC common shares, representing 4.9% of the outstanding class. This percentage is calculated using 20,317,825 shares outstanding as of September 30, 2025, from MEC’s Form 10-Q.

Who are the reporting persons in MEC’s latest Schedule 13G/A?

The reporting persons are Hilve Holdings Limited, a Cyprus entity, and Mikhail Stiskin, an individual citizen of Israel. Hilve directly holds the MEC shares, and Stiskin may be deemed a beneficial owner as the sole shareholder of Hilve Holdings Limited.

How many Mayville Engineering (MEC) shares does Hilve Holdings Limited hold?

Hilve Holdings Limited directly holds 995,756 shares of MEC common stock. The filing states Hilve has sole voting and sole dispositive power over these shares, with no shared voting or dispositive authority reported for either of the two reporting persons.

What percentage of MEC’s common stock does 995,756 shares represent?

The 995,756 MEC common shares represent 4.9% of the outstanding class. This ownership percentage is based on 20,317,825 MEC common shares outstanding as of September 30, 2025, as reported in Mayville Engineering Company’s Form 10-Q filed on November 5, 2025.

Does this MEC Schedule 13G/A indicate an intent to influence control of the company?

The certification states the securities “were not acquired and are not held” to change or influence MEC’s control. It also notes they are not held in connection with any transaction having that purpose or effect, other than activities related to a nomination under Rule 14a-11.

What voting and dispositive powers are reported over MEC shares in this filing?

Both Hilve Holdings Limited and Mikhail Stiskin report sole power to vote and dispose of 995,756 MEC common shares. The filing shows zero shared voting power and zero shared dispositive power for each reporting person with respect to this ownership position.

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

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Accepted by SEC EDGAR 02/13/2026 - 09:36 AM 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)

Mayville Engineering Company, Inc.

(Name of Issuer)

Common Stock, no par value

(Title of Class of Securities)

578605107

(CUSIP Number)

10/27/2025

(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. 578605107

1

Names of Reporting Persons

Hilve Holdings Ltd

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

CYPRUS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 995,756.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 995,756.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

995,756.00

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)

4.9 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

CUSIP No. 578605107

1

Names of Reporting Persons

Mikhail Stiskin

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

ISRAEL

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 995,756.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 995,756.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

995,756.00

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)

4.9 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Mayville Engineering Company, Inc.
(b)	Address of issuer's principal executive offices: 715 SOUTH STREET, 715 SOUTH STREET, MAYVILLE, WISCONSIN, 53050.
Item 2.
(a)	Name of person filing: (i) Hilve Holdings Limited and (ii) Mikhail Stiskin (collectively, the "Reporting Persons").
(b)	Address or principal business office or, if none, residence: (i) For Hilve Holdings Ltd.: Spyrou Araouzou, 25, Beregaria 25, 5th Floor, Office 2, 3036, Limassol, Republic of Cyprus, and(ii) For Mikhail Stiskin: Onisilou, 8A, Rita Court 1, Block B, Flat/Office 208, Agios Tychonas, 4532, Limassol, Republic of Cyprus.
(c)	Citizenship: (i) Hilve Holdings Limited was established under the laws of the Republic of Cyprus, and (ii) Mikhail Stiskin is a citizen of Israel.
(d)	Title of class of securities: Common Stock, no par value
(e)	CUSIP No.: 578605107
Item 4.	Ownership
(a)	Amount beneficially owned: Hilve Holdings Limited directly holds 995,756 shares of Common Stock of no par value ("Common Stock"), of Mayville Engineering Company, Inc. (the "Issuer"). Mikhail Stiskin, as the sole shareholder of Hilve Holdings Limited, may be deemed the beneficial owner of 995,756 shares of Common Stockheld by Hilve Holdings Limited.
(b)	Percent of class: Hilve Holdings Limited may be deemed the beneficial owner of 4.9% of the outstanding shares of Common Stock of the Issuer. Mikhail Stiskin may be deemed the beneficial owner of 4.9% of the outstanding shares of Common Stock. Such percentages are based on 20,317,825 shares of Common Stock of the Issuer outstanding as of September 30, 2025, as reported in the Issuer's Form 10-Q filed with the Securities and Exchange Commission on November 5, 2025.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: As of the date hereof, Hilve Holdings Limited has the sole power to vote or to direct the vote of 995,756 shares of Common Stock of the Issuer. Mikhail Stiskin, as the sole shareholder of Hilve Holdings Limited, has the sole power to vote or to direct the vote of 995,756 shares of Common Stock of the Issuer.
	(ii) Shared power to vote or to direct the vote: As of the date hereof, each of the Reporting Persons has shared power to vote or direct the vote of 0 shares of Common Stock of the Issuer
	(iii) Sole power to dispose or to direct the disposition of: As of the date hereof, Hilve Holdings Limited has the sole power to dispose or to direct the disposition of 995,756 shares of Common Stock of the Issuer. Mikhail Stiskin has the sole power to dispose or to direct the disposition of 995,756 shares of Common Stock of the Issuer.
	(iv) Shared power to dispose or to direct the disposition of: As of the date hereof, each of the Reporting Persons has shared power to dispose or to direct the disposition of 0 shares of Common Stock of the Issuer.
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.

Hilve Holdings Ltd

Signature:	/s/ Asya Andreeva
Name/Title:	Director
Date:	02/13/2026

Mikhail Stiskin

Signature:	/s/ Mikhail Stiskin
Name/Title:	self
Date:	02/13/2026