REDDY JAGADEESH A (President & CEO) exercised options at MAYVILLE ENGINEERING COMPANY, INC.

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 1 exercise

REDDY JAGADEESH A

Filed: 3/4/2025ACC: 0000897069-25-000471

InsiderREDDY JAGADEESH ACIK 1937748

→

IssuerMAYVILLE ENGINEERING COMPANY, INC.CIK 1766368

Officer· President & CEO

Since Jul 2022

-11.95K

Net shares

Net seller

$178.7K

Total sold

Open market trades

0B · 0S

Total transactions

25.43K acquired · 37.38K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+25.43K

Price / share

—

Trade value

—

% of position

28.6%

2/28/2025

89.05K→114.48K

Common Stock

Direct

F · Tax Withholding

−11.95K

Price / share

$14.95

Trade value

$178.70K

% of position

10.4%

2/28/2025

114.48K→102.53K

Total

Net shares

+13.48K

Net value

-$178.70K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	2/28/2025	M · Option Exercise	+25.43K	—	—	28.6%	89.05K	114.48K
Common Stock Direct	2/28/2025	F · Tax Withholding	−11.95K	$14.95	$178.70K	10.4%	114.48K	102.53K
Total			+13.48K		-$178.70K

Derivative Transactions1

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Shares

25.43K shares

−25.43K

Strike price

Held after

0.00

Exercisable

—

2/28/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Shares25.43K shares	2/28/2025	M · Option Exercise	−25.43K	0	—	0.00

Non-Derivative Holdings (Post-Transaction)1

Common Stock

Indirect

Shares owned2.30K

Total

2.30K indirect2.30K

Security Title	Shares Owned	Ownership Type
Common Stock	2.30K	Indirect
Total	2.30K	2.30K indirect

Derivative Holdings (Post-Transaction)3

Restricted Stock Units

Direct

Underlying security

Common Shares

Underlying shares

32.05K

Shares owned

32.05K

Exercise price

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Shares

Underlying shares

88.90K

Shares owned

88.90K

Exercise price

16.22

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Shares

Underlying shares

108.95K

Shares owned

108.95K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

229.90K

Owned

229.90K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Restricted Stock Units Direct	Common Shares	0	—	—	32.05K	32.05K
Stock Option (right to buy) Direct	Common Shares	16.22	—	—	88.90K	88.90K
Restricted Stock Units Direct	Common Shares	0	—	—	108.95K	108.95K
Total					229.90K	229.90K