Randall P. Stille - Feb 28, 2022 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Role
Chief Operating Officer
Signature
/s/ Russell E. Ryba, Attorney-in-Fact for Randall P. Stille
Stock symbol
MEC
Transactions as of
Feb 28, 2022
Transactions value $
-$54,789
Form type
4
Date filed
3/2/2022, 06:39 PM
Previous filing
May 11, 2021
Next filing
Mar 2, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MEC Common Stock Options Exercise $0 +18.6K +223.55% $0.00 26.9K Feb 28, 2022 Direct
transaction MEC Common Stock Tax liability -$54.8K -5.31K -19.76% $10.32 21.6K Feb 28, 2022 Direct
holding MEC Common Stock 1.82K Feb 28, 2022 by ESOP and/or 401(k) Plan F1

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
transaction MEC Restricted Stock Units Options Exercise $0 -10.5K -100% $0.00* 0 Feb 28, 2022 Common Stock 10.5K $0.00 Direct F2
transaction MEC Restricted Stock Units Options Exercise $0 -8.03K -50% $0.00 8.03K Feb 28, 2022 Common Stock 8.03K $0.00 Direct F3
holding MEC Stock Option (right to buy) 32.5K Feb 28, 2022 Common Stock 32.5K $14.01 Direct F4
holding MEC Stock Option (right to buy) 52.8K Feb 28, 2022 Common Stock 52.8K $7.12 Direct F5
* 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 50% on each of February 27, 2021 and February 27, 2022.
F3 The restricted stock units will vest 50% on each of February 28, 2022 and February 28, 2023.
F4 The options will vest 50% on each of February 28, 2022 and February 28, 2023.
F5 The options will vest 50% on each of February 27, 2021 and February 27, 2022.