Mayville Engineering director exercises 5,949 RSUs

Mayville Engineering Company, Inc. director Tania Wingfield reported compensation-related equity activity.

Rhea-AI Filing Summary

Mayville Engineering Company, Inc. director Tania Wingfield reported compensation-related equity activity. On April 21, 2026, she exercised 5,949 Director Restricted Stock Units into 5,949 shares of Common Stock, leaving her with 5,949 common shares held directly.

On the same date, she received a new grant of 5,959 Director Restricted Stock Units, each representing one share of Common Stock. According to the footnotes, the RSUs that were exercised had vested 100% one year from their grant date, while the newly granted RSUs will vest 100% at the earlier of one year or the next annual shareholder meeting. No open-market purchases or sales were reported in this filing.

Insider Trade Summary

5,949 shares exercised/converted

Exercise 3 txns

Insider Wingfield Tania

Role Director

Type	Security	Shares	Price	Value
Exercise	Director Restricted Stock Units	5,949	$0.00	$0.00
Grant/Award	Director Restricted Stock Units	5,959	$0.00	$0.00
Exercise	Common Stock	5,949	$0.00	$0.00

Holdings After Transaction: Director Restricted Stock Units — 5,959 contracts (Direct); Common Stock — 5,949 shares (Direct)

Footnotes (2)

1. F1. The restricted stock units vested 100% one year from the grant date.
2. F2. The restricted stock units will vest 100% at the earlier of one year or the next annual shareholder meeting.

Key Figures

RSUs exercised: 5,949 units Common shares owned after exercise: 5,949 shares New RSU grant: 5,959 units +1 more

4 metrics

RSUs exercised 5,949 units Director Restricted Stock Units converted to Common Stock on April 21, 2026

Common shares owned after exercise 5,949 shares Direct ownership of Mayville Engineering common stock following transactions

New RSU grant 5,959 units Director Restricted Stock Units granted on April 21, 2026

Remaining RSUs after exercise 5,959 units Unvested Director Restricted Stock Units held after prior grant fully exercised

Key Terms

Director Restricted Stock Units, vested 100% one year from the grant date, annual shareholder meeting, Exercise or conversion of derivative security

4 terms

Director Restricted Stock Units financial

"security_title": "Director Restricted Stock Units""

Director restricted stock units are promises by a company to give board members company shares in the future, usually after a set time or when certain conditions are met. They matter to investors because they can dilute existing shareholders when converted to shares and reveal how the board’s pay is tied to the company’s performance—like a delayed paycheck in company stock that aligns a director’s interests with shareholders and can affect share supply when released.

vested 100% one year from the grant date financial

"The restricted stock units vested 100% one year from the grant date."

annual shareholder meeting financial

"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.

Exercise or conversion of derivative security financial

"transaction_code_description": "Exercise or conversion of derivative security""

FAQ

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

What insider transactions did MEC director Tania Wingfield report?

Tania Wingfield reported compensation-related equity activity, not open-market trading. She exercised 5,949 previously granted Director Restricted Stock Units into 5,949 shares of Mayville Engineering common stock and received a new grant of 5,959 Director Restricted Stock Units, all held as direct ownership.

Did Tania Wingfield buy or sell MEC stock on the open market?

She did not report any open-market buys or sells. The Form 4 shows an exercise of 5,949 Director Restricted Stock Units into 5,949 common shares and a grant of 5,959 new restricted stock units, all at a stated price of $0.00 per unit as equity compensation.

How many Mayville Engineering shares does Tania Wingfield hold after this filing?

After these transactions, she directly owns 5,949 shares of Mayville Engineering common stock. In addition, she holds 5,959 Director Restricted Stock Units that represent potential future shares, subject to vesting conditions tied to time or the next annual shareholder meeting.

What are the vesting terms for Tania Wingfield’s new MEC restricted stock units?

The new grant of 5,959 Director Restricted Stock Units will vest 100% at the earlier of one year from the grant date or the next annual shareholder meeting. Once vested, each unit converts into one share of Mayville Engineering common stock, increasing her direct share ownership.

What happened to the Director Restricted Stock Units that Tania Wingfield exercised?

She exercised 5,949 Director Restricted Stock Units that had vested 100% one year after their original grant. Those units converted into 5,949 shares of Mayville Engineering common stock, and the RSU balance for that grant dropped to zero, effectively turning the derivative award into outright share ownership.

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

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 04/23/2026 - 05:09 PM EDT Learn about SEC filing dates

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^*

Wingfield Tania

(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)		Other (specify below)

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
Common Stock	04/21/2026		M		5,949	A	$0	5,949	D

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		M			5,949	(1)	(1)	Common Stock	5,949	$0	0	D
Director Restricted Stock Units	$0	04/21/2026		A		5,959		(2)	(2)	Common Stock	5,959	$0	5,959	D

Explanation of Responses:

1. The restricted stock units vested 100% one year from the grant date.

2. 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 Tania Wingfield	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)