MAYVILLE ENGR CO INC

Ticker: MEC CUSIP: 578605107 Class: Common Stock

OSAIC HOLDINGS, INC.'s Holding History (CIK: 0001677044)

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

Q4 2025

Shares 120,078 Value ($000) $2,248 Avg Close $16.31 Range $12.25 - $19.77

Q3 2025

Shares 121,786 Value ($000) $1,777 Avg Close $15.04 Range $12.10 - $17.62

Q2 2025

Shares 131,589 Value ($000) $2,100 Avg Close $14.29 Range $11.72 - $16.72

Q1 2025

Shares 144,870 Value ($000) $1,946 Avg Close $15.04 Range $12.75 - $16.54

Q4 2024

Shares 130,667 Value ($000) $2,054 Avg Close $18.28 Range $15.33 - $23.02

Q3 2024

Shares 165,615 Value ($000) $3,491 Avg Close $18.72 Range $15.90 - $22.07

Q2 2024

Shares 178,228 Value ($000) $2,969 Avg Close $15.12 Range $13.15 - $17.00

Q1 2024

Shares 186,561 Value ($000) $2,673 Avg Close $13.05 Range $11.07 - $14.82

Q4 2023

Shares 187,699 Value ($000) $2,707 Avg Close $12.41 Range $9.72 - $14.89

Q3 2023

Shares 200,275 Value ($000) $2,197 Avg Close $11.55 Range $9.86 - $13.28

Q2 2023

Shares 214,913 Value ($000) $2,678 Avg Close $12.64 Range $9.55 - $15.50

Q1 2023

Shares 131,177 Value ($000) $1,957 Avg Close $14.57 Range $12.25 - $16.66

Q4 2022

Shares 172,780 Value ($000) $2,187 Avg Close $9.97 Range $5.95 - $14.37

Q3 2022

Shares 178,202 Value ($000) $1,160 Avg Close $7.19 Range $6.36 - $8.46

Q2 2022

Shares 182,514 Value ($000) $1,412 Avg Close $8.48 Range $7.01 - $9.52

Q1 2022

Shares 128,603 Value ($000) $1,206 Avg Close $11.35 Range $9.13 - $15.33

Q4 2021

Shares 135,076 Value ($000) $2,013 Avg Close $16.48 Range $13.15 - $19.90

Q3 2021

Shares 135,781 Value ($000) $2,554 Avg Close $17.13 Range $13.49 - $20.93

Q2 2021

Shares 134,552 Value ($000) $2,706 Avg Close $17.65 Range $13.75 - $22.16

Q1 2021

Shares 106,186 Value ($000) $1,527 Avg Close $14.74 Range $12.14 - $17.74

Q4 2020

Shares 133,774 Value ($000) $1,795 Avg Close $11.06 Range $8.62 - $14.74

Q3 2020

Shares 158,609 Value ($000) $1,458 Avg Close $8.45 Range $6.90 - $10.23

Q2 2020

Shares 165,516 Value ($000) $1,308 Avg Close $6.13 Range $4.49 - $8.43

Q1 2020

Shares 121,190 Value ($000) $743 Avg Close $7.51 Range $3.89 - $9.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	120,078	$2,248	$16.31	$12.25 - $19.77
Q3 2025	121,786	$1,777	$15.04	$12.10 - $17.62
Q2 2025	131,589	$2,100	$14.29	$11.72 - $16.72
Q1 2025	144,870	$1,946	$15.04	$12.75 - $16.54
Q4 2024	130,667	$2,054	$18.28	$15.33 - $23.02
Q3 2024	165,615	$3,491	$18.72	$15.90 - $22.07
Q2 2024	178,228	$2,969	$15.12	$13.15 - $17.00
Q1 2024	186,561	$2,673	$13.05	$11.07 - $14.82
Q4 2023	187,699	$2,707	$12.41	$9.72 - $14.89
Q3 2023	200,275	$2,197	$11.55	$9.86 - $13.28
Q2 2023	214,913	$2,678	$12.64	$9.55 - $15.50
Q1 2023	131,177	$1,957	$14.57	$12.25 - $16.66
Q4 2022	172,780	$2,187	$9.97	$5.95 - $14.37
Q3 2022	178,202	$1,160	$7.19	$6.36 - $8.46
Q2 2022	182,514	$1,412	$8.48	$7.01 - $9.52
Q1 2022	128,603	$1,206	$11.35	$9.13 - $15.33
Q4 2021	135,076	$2,013	$16.48	$13.15 - $19.90
Q3 2021	135,781	$2,554	$17.13	$13.49 - $20.93
Q2 2021	134,552	$2,706	$17.65	$13.75 - $22.16
Q1 2021	106,186	$1,527	$14.74	$12.14 - $17.74
Q4 2020	133,774	$1,795	$11.06	$8.62 - $14.74
Q3 2020	158,609	$1,458	$8.45	$6.90 - $10.23
Q2 2020	165,516	$1,308	$6.13	$4.49 - $8.43
Q1 2020	121,190	$743	$7.51	$3.89 - $9.60