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: 3/18/2025ACC: 0000897069-25-000638

InsiderREDDY JAGADEESH ACIK 1937748

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IssuerMAYVILLE ENGINEERING COMPANY, INC.CIK 1766368

Officer· President & CEO

Since Jul 2022

+65.88K

Net shares

Net buyer

$244.7K

Total sold

Open market trades

0B · 0S

Total transactions

119.24K acquired · 53.37K disposed

Non-Derivative Transactions2

Common Stock

Direct

M · Option Exercise

+36.32K

Price / share

—

Trade value

—

% of position

35.4%

3/15/2025

102.53K→138.85K

Common Stock

Direct

F · Tax Withholding

−17.05K

Price / share

$14.35

Trade value

$244.67K

% of position

12.3%

3/15/2025

138.85K→121.80K

Total

Net shares

+19.27K

Net value

-$244.67K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	3/15/2025	M · Option Exercise	+36.32K	—	—	35.4%	102.53K	138.85K
Common Stock Direct	3/15/2025	F · Tax Withholding	−17.05K	$14.35	$244.67K	12.3%	138.85K	121.80K
Total			+19.27K		-$244.67K

Derivative Transactions2

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Shares

36.32K shares

−36.32K

Strike price

Held after

72.63K

Exercisable

—

3/15/2025

Restricted Stock Units

Direct

A · Award

Converts to

Common Shares

82.93K shares

+82.93K

Strike price

Held after

82.93K

Exercisable

—

3/15/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Restricted Stock Units Direct	Common Shares36.32K shares	3/15/2025	M · Option Exercise	−36.32K	0	—	72.63K
Restricted Stock Units Direct	Common Shares82.93K shares	3/15/2025	A · Award	+82.93K	0	—	82.93K

Non-Derivative Holdings (Post-Transaction)2

Common Stock

Indirect

Shares owned380.00

Common Stock

Indirect

Shares owned2.30K

Total

2.68K indirect2.68K

Security Title	Shares Owned	Ownership Type
Common Stock	380.00	Indirect
Common Stock	2.30K	Indirect
Total	2.68K	2.68K indirect

Derivative Holdings (Post-Transaction)2

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

32.05K

Shares owned

32.05K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

120.95K

Owned

120.95K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (right to buy) Direct	Common Shares	16.22	—	—	88.90K	88.90K
Restricted Stock Units Direct	Common Shares	0	—	—	32.05K	32.05K
Total					120.95K	120.95K