Director awarded 5,959 RSUs at Mayville Engineering (NYSE: MEC)

Rhea-AI Filing Summary

Schyvinck Christine M. reported acquisition or exercise transactions in this Form 4 filing.

Mayville Engineering Company, Inc. reported that board chair and director Christine M. Schyvinck received a grant of 5,959 Director Restricted Stock Units. These units relate to an equal number of shares of common stock and were awarded as compensation, with no cash paid per unit.

According to the disclosure, the restricted stock units will vest 100% at the earlier of one year or the next annual shareholder meeting. After this grant, Schyvinck holds 5,959 director restricted stock units directly, reflecting a routine equity-based compensation award rather than an open-market share purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Schyvinck Christine M.

Role null

Type	Security	Shares	Price	Value
Grant/Award	Director Restricted Stock Units	5,959	$0.00	--

Holdings After Transaction: Director Restricted Stock Units — 5,959 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

RSUs granted: 5,959 units Price per unit: $0.00 Underlying common shares: 5,959 shares +1 more

4 metrics

RSUs granted 5,959 units Director Restricted Stock Units granted to Christine M. Schyvinck

Price per unit $0.00 Reported transaction price per Director Restricted Stock Unit

Underlying common shares 5,959 shares Common stock underlying the Director Restricted Stock Units

Holdings after grant 5,959 units Total Director Restricted Stock Units held directly after transaction

Key Terms

Director Restricted Stock Units, Common Stock, annual shareholder meeting

3 terms

Director Restricted Stock Units financial

"reported that board chair and director Christine M. Schyvinck received a grant of 5,959 Director Restricted Stock Units"

Common Stock financial

"These units relate to an equal number of shares of common stock and were awarded as compensation"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

annual shareholder meeting financial

"The restricted stock units will vest 100% at the earlier of one year or the next annual shareholder meeting"

A yearly gathering where a company’s owners (shareholders) and its leaders meet to review performance, approve key decisions like electing directors, and vote on issues such as executive pay or major policy changes. Think of it as an annual town hall for people who own part of the business: investors use it to ask questions, influence direction through votes, and gauge management’s plans and transparency, all of which can affect the stock’s outlook.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Schyvinck Christine M.

(Last) (First) (Middle)

135 SOUTH 84TH STREET

SUITE 300

(Street)

MILWAUKEE WISCONSIN 53214

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Mayville Engineering Company, Inc. [ MEC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)	X	Other (specify below)
			Chair of the Board

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/21/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Director Restricted Stock Units	$0	04/21/2026		A		5,959		(1)	(1)	Common Stock	5,959	$0	5,959	D

Explanation of Responses:

1. The restricted stock units will vest 100% at the earlier of one year or the next annual shareholder meeting.

	Garrett F. Bishop, Attorney-in-Fact for Christine M. Schyvinck	04/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did MEC report for Christine M. Schyvinck?

Mayville Engineering reported that director and board chair Christine M. Schyvinck received 5,959 Director Restricted Stock Units as a compensation grant. These units are tied to an equal number of MEC common shares and involve no cash purchase or sale in the market.

How many restricted stock units did the MEC director receive?

Christine M. Schyvinck received a grant of 5,959 Director Restricted Stock Units from Mayville Engineering. Each unit corresponds to one share of common stock, providing equity-based compensation that aligns the director’s interests with shareholders over the vesting period.

When do Christine Schyvinck’s MEC restricted stock units vest?

The restricted stock units granted to Christine Schyvinck vest 100% at the earlier of one year or the next annual shareholder meeting. This time-based vesting encourages continued board service before the underlying MEC common shares are fully delivered.

Did the MEC director buy or sell MEC shares in this Form 4?

The Form 4 shows an acquisition through a grant, not a market trade. Christine Schyvinck received 5,959 restricted stock units as compensation, with no open-market purchase or sale and a reported price per unit of $0.00 in the filing.

What is Christine Schyvinck’s MEC derivative holding after this grant?

Following the reported transaction, Christine Schyvinck directly holds 5,959 Director Restricted Stock Units. These derivative awards relate to 5,959 shares of MEC common stock, providing future share delivery once the vesting condition in the grant agreement is satisfied.