Jagadeesh A. Reddy - 15 Mar 2024 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Role: President & CEO, Director
Signature: /s/ Russell E. Ryba, Attorney-in-Fact for Jagadeesh A. Reddy
Issuer symbol: MEC
Transactions as of: 15 Mar 2024
Net transactions value: +$20,046
Form type: 4
Filing time: 19 Mar 2024, 15:27:48 UTC
Previous filing: 01 Mar 2024
Next filing: 23 Jul 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MEC	Common Stock	Purchase	$20,046	+1,560		$12.85	1,560	15 Mar 2024	by ESOP and/or 401(k) Plan	F1
holding	MEC	Common Stock						66,161	15 Mar 2024	Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	MEC	Restricted Stock Units						64,102	15 Mar 2024	Common Shares	64,102	$0.000000	Direct	F2
holding	MEC	Restricted Stock Units						25,432	15 Mar 2024	Common Shares	25,432	$0.000000	Direct	F3
holding	MEC	Stock Option (right to buy)						88,901	15 Mar 2024	Common Shares	88,901	$16.22	Direct	F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Reflects the most recent ESOP and 401(k) balance.
F2	The restricted stock units will vest 1/3 on each of July 19, 2023, 2024 and 2025.
F3	The restricted stock units will vest 50% on each of February 28, 2024 and February 28, 2025.
F4	The options will vest 50% on each of February 28, 2024 and February 28, 2025.