BUTZ TODD M (Chief Financial Officer) purchased 3.2% of their position (1.27K shares) of MAYVILLE ENGINEERING COMPANY, INC. on the open market

Open‑market purchase worth $20.1K — a small addition. The strongest form of insider conviction signal.

P · 1 purchase

BUTZ TODD M

Filed: 11/8/2024ACC: 0000897069-24-002131

InsiderBUTZ TODD MCIK 1775975

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IssuerMAYVILLE ENGINEERING COMPANY, INC.CIK 1766368

Officer· Chief Financial Officer

Since May 2019

+1.27K

Net shares

Net buyer

$20.1K

Total acquired

Open market trades

1B · 0S

Total transactions

1.27K acquired

Non-Derivative Transactions1

Common Stock

Indirect

P · Purchase

+1.27K

Price / share

$15.79

Trade value

$20.08K

% of position

3.2%

11/7/2024

39.73K→41K

Total

Net shares

+1.27K

Net value

$20.08K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Indirect	11/7/2024	P · Purchase	+1.27K	$15.79	$20.08K	3.2%	39.73K	41K
Total			+1.27K		$20.08K

Derivative Transactions0

No derivative transactions reported

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Direct

Shares owned153.91K

Total

153.91K direct153.91K

Security Title	Shares Owned	Ownership Type
Common Stock	153.91K	Direct
Total	153.91K	153.91K direct

Derivative Holdings (Post-Transaction)6

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

39.13K

Shares owned

39.13K

Exercise price

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

40.41K

Shares owned

40.41K

Exercise price

16.22

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

69.96K

Shares owned

69.96K

Exercise price

10.32

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

52.84K

Shares owned

52.84K

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

11.56K

Shares owned

11.56K

Exercise price

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

39.68K

Shares owned

39.68K

Exercise price

14.01

Expiration

—

Exercise window

—

Total

Underlying

253.58K

Owned

253.58K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (right to buy) Direct	Common Stock	17	—	—	39.13K	39.13K
Stock Option (right to buy) Direct	Common Stock	16.22	—	—	40.41K	40.41K
Stock Option (right to buy) Direct	Common Stock	10.32	—	—	69.96K	69.96K
Restricted Stock Units Direct	Common Stock	0	—	—	52.84K	52.84K
Restricted Stock Units Direct	Common Stock	0	—	—	11.56K	11.56K
Stock Option (right to buy) Direct	Common Stock	14.01	—	—	39.68K	39.68K
Total					253.58K	253.58K