MAYVILLE ENGR CO INC

Ticker: MEC CUSIP: 578605107 Class: Common Stock

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

Note: Option positions (PUT/CALL) are excluded.

Q1 2022

Shares 235,355 Value ($000) $2,205 Avg Close $11.35 Range $9.13 - $15.33

Q4 2021

Shares 304,998 Value ($000) $4,548 Avg Close $16.48 Range $13.15 - $19.90

Q3 2021

Shares 406,252 Value ($000) $7,638 Avg Close $17.13 Range $13.49 - $20.93

Q2 2021

Shares 1,462,079 Value ($000) $29,402 Avg Close $17.65 Range $13.75 - $22.16

Q1 2021

Shares 1,349,262 Value ($000) $19,403 Avg Close $14.74 Range $12.14 - $17.74

Q4 2020

Shares 1,264,050 Value ($000) $16,964 Avg Close $11.06 Range $8.62 - $14.74

Q3 2020

Shares 1,100,516 Value ($000) $10,114 Avg Close $8.45 Range $6.90 - $10.23

Q2 2020

Shares 649,538 Value ($000) $5,132 Avg Close $6.13 Range $4.49 - $8.43

Q1 2020

Shares 471,779 Value ($000) $2,892 Avg Close $7.51 Range $3.89 - $9.60

Q4 2019

Shares 342,404 Value ($000) $3,212 Avg Close $10.38 Range $7.70 - $14.21

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	235,355	$2,205	$11.35	$9.13 - $15.33
Q4 2021	304,998	$4,548	$16.48	$13.15 - $19.90
Q3 2021	406,252	$7,638	$17.13	$13.49 - $20.93
Q2 2021	1,462,079	$29,402	$17.65	$13.75 - $22.16
Q1 2021	1,349,262	$19,403	$14.74	$12.14 - $17.74
Q4 2020	1,264,050	$16,964	$11.06	$8.62 - $14.74
Q3 2020	1,100,516	$10,114	$8.45	$6.90 - $10.23
Q2 2020	649,538	$5,132	$6.13	$4.49 - $8.43
Q1 2020	471,779	$2,892	$7.51	$3.89 - $9.60
Q4 2019	342,404	$3,212	$10.38	$7.70 - $14.21