Todd M. Butz - 28 Feb 2024 Form 4 Insider Report for Mayville Engineering Company, Inc. (MEC)

Signature
/s/ Russell E. Ryba, Attorney-in-Fact for Todd M. Butz
Issuer symbol
MEC
Transactions as of
28 Feb 2024
Net transactions value
-$113,859
Form type
4
Filing time
01 Mar 2024, 16:47:29 UTC
Previous filing
02 Mar 2023
Next filing
19 Mar 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MEC Common Stock Options Exercise $0 +29,728 +28% $0.000000 134,108 28 Feb 2024 Direct
transaction MEC Common Stock Tax liability $113,859 -9,512 -7.1% $11.97 124,596 28 Feb 2024 Direct
holding MEC Common Stock 39,726 28 Feb 2024 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 -18,168 -100% $0.000000* 0 28 Feb 2024 Common Stock 18,168 $0.000000 Direct F2
transaction MEC Restricted Stock Units Options Exercise $0 -11,560 -50% $0.000000 11,560 28 Feb 2024 Common Stock 11,560 $0.000000 Direct F3
holding MEC Stock Option (right to buy) 39,127 28 Feb 2024 Common Stock 39,127 $17.00 Direct F4
holding MEC Stock Option (right to buy) 88,029 28 Feb 2024 Common Stock 88,029 $7.12 Direct F5
holding MEC Stock Option (right to buy) 39,683 28 Feb 2024 Common Stock 39,683 $14.01 Direct F6
holding MEC Stock Option (right to buy) 69,963 28 Feb 2024 Common Stock 69,963 $10.32 Direct F7
holding MEC Stock Option (right to buy) 40,410 28 Feb 2024 Common Stock 40,410 $16.22 Direct F8
* 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 28, 2023 and February 28, 2024.
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 May 8, 2020 and May 8, 2021.
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 February 28, 2022 and February 28, 2023.
F7 The options will vest 50% on each of February 28, 2023 and February 28, 2024.
F8 The options will vest 50% on each of February 28, 2024 and February 28, 2025.