Robert D. Kamphuis - 28 Feb 2022 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Role
Chairman, Pres. & CEO, Director
Signature
/s/ Russell E. Ryba, Attorney-in-Fact for Robert D. Kamphuis
Issuer symbol
MEC
Transactions as of
28 Feb 2022
Net transactions value
-$347,093
Form type
4
Filing time
02 Mar 2022, 18:35:36 UTC
Previous filing
11 May 2021
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MEC Common Stock Options Exercise $0 +114,633 +34% $0.000000 454,169 28 Feb 2022 Direct
transaction MEC Common Stock Tax liability $347,093 -33,633 -7.4% $10.32 420,536 28 Feb 2022 Direct
holding MEC Common Stock 79,820 28 Feb 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 -73,947 -100% $0.000000* 0 28 Feb 2022 Common Stock 73,947 $0.000000 Direct F2
transaction MEC Restricted Stock Units Options Exercise $0 -40,686 -50% $0.000000 40,685 28 Feb 2022 Common Stock 40,686 $0.000000 Direct F3
holding MEC Stock Option (right to buy) 164,503 28 Feb 2022 Common Stock 164,503 $14.01 Direct F4
holding MEC Stock Option (right to buy) 370,775 28 Feb 2022 Common Stock 370,775 $7.12 Direct F5
holding MEC Stock Option (right to buy) 155,684 28 Feb 2022 Common Stock 155,684 $17.00 Direct F6
* 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.
F6 The options will vest 50% on each of May 8, 2020 and May 8, 2021.