ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q4 2025

Shares 175,307 Value ($000) $4,441 Avg Close $26.60 Range $21.49 - $31.11

Q3 2025

Shares 176,880 Value ($000) $4,820 Avg Close $24.59 Range $21.28 - $29.72

Q2 2025

Shares 144,575 Value ($000) $3,263 Avg Close $20.53 Range $16.66 - $23.22

Q1 2025

Shares 77,219 Value ($000) $1,653 Avg Close $31.93 Range $20.86 - $40.10

Q4 2024

Shares 107,686 Value ($000) $3,871 Avg Close $36.98 Range $32.08 - $41.84

Q3 2024

Shares 85,947 Value ($000) $3,432 Avg Close $41.01 Range $32.33 - $56.47

Q2 2024

Shares 140,671 Value ($000) $6,893 Avg Close $44.88 Range $38.16 - $50.51

Q1 2024

Shares 134,289 Value ($000) $6,169 Avg Close $40.62 Range $31.01 - $49.25

Q4 2023

Shares 21,923 Value ($000) $748 Avg Close $27.80 Range $22.15 - $35.54

Q3 2023

Shares 21,981 Value ($000) $652 Avg Close $33.70 Range $28.04 - $40.80

Q4 2022

Shares 27,221 Value ($000) $1 Avg Close $31.89 Range $23.32 - $39.10

Q3 2022

Shares 34,798 Value ($000) $963 Avg Close $30.61 Range $25.19 - $36.23

Q2 2022

Shares 38,448 Value ($000) $1,261 Avg Close $32.45 Range $27.74 - $43.13

Q1 2022

Shares 38,571 Value ($000) $1,367 Avg Close $47.86 Range $37.72 - $60.49

Q4 2021

Shares 38,551 Value ($000) $1,880 Avg Close $52.01 Range $40.97 - $60.84

Q3 2021

Shares 40,481 Value ($000) $1,749 Avg Close $47.15 Range $39.00 - $56.24

Q2 2021

Shares 63,021 Value ($000) $2,503 Avg Close $53.53 Range $44.18 - $65.33

Q1 2021

Shares 63,019 Value ($000) $3,410 Avg Close $46.05 Range $31.59 - $59.42

Q4 2020

Shares 64,000 Value ($000) $2,775 Avg Close $27.90 Range $21.08 - $37.02

Q3 2020

Shares 64,258 Value ($000) $1,515 Avg Close $24.28 Range $19.08 - $31.10

Q2 2020

Shares 42,028 Value ($000) $1,013 Avg Close $19.01 Range $12.37 - $24.86

Q1 2020

Shares 38,665 Value ($000) $612 Avg Close $21.23 Range $11.79 - $30.00

Q4 2019

Shares 37,404 Value ($000) $898 Avg Close $20.22 Range $13.94 - $24.24

Q3 2019

Shares 36,931 Value ($000) $644 Avg Close $13.88 Range $11.20 - $16.67

Q2 2019

Shares 36,121 Value ($000) $494 Avg Close $12.74 Range $10.50 - $14.82

Q1 2019

Shares 38,872 Value ($000) $442 Avg Close $10.73 Range $8.10 - $13.12

Q4 2018

Shares 37,623 Value ($000) $414 Avg Close $9.78 Range $6.94 - $13.00

Q3 2018

Shares 37,633 Value ($000) $387 Avg Close $14.54 Range $12.28 - $17.35

Q2 2018

Shares 40,864 Value ($000) $660 Avg Close $17.54 Range $15.36 - $19.59

Q1 2018

Shares 40,044 Value ($000) $666 Avg Close $21.09 Range $16.29 - $27.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	175,307	$4,441	$26.60	$21.49 - $31.11
Q3 2025	176,880	$4,820	$24.59	$21.28 - $29.72
Q2 2025	144,575	$3,263	$20.53	$16.66 - $23.22
Q1 2025	77,219	$1,653	$31.93	$20.86 - $40.10
Q4 2024	107,686	$3,871	$36.98	$32.08 - $41.84
Q3 2024	85,947	$3,432	$41.01	$32.33 - $56.47
Q2 2024	140,671	$6,893	$44.88	$38.16 - $50.51
Q1 2024	134,289	$6,169	$40.62	$31.01 - $49.25
Q4 2023	21,923	$748	$27.80	$22.15 - $35.54
Q3 2023	21,981	$652	$33.70	$28.04 - $40.80
Q4 2022	27,221	$1	$31.89	$23.32 - $39.10
Q3 2022	34,798	$963	$30.61	$25.19 - $36.23
Q2 2022	38,448	$1,261	$32.45	$27.74 - $43.13
Q1 2022	38,571	$1,367	$47.86	$37.72 - $60.49
Q4 2021	38,551	$1,880	$52.01	$40.97 - $60.84
Q3 2021	40,481	$1,749	$47.15	$39.00 - $56.24
Q2 2021	63,021	$2,503	$53.53	$44.18 - $65.33
Q1 2021	63,019	$3,410	$46.05	$31.59 - $59.42
Q4 2020	64,000	$2,775	$27.90	$21.08 - $37.02
Q3 2020	64,258	$1,515	$24.28	$19.08 - $31.10
Q2 2020	42,028	$1,013	$19.01	$12.37 - $24.86
Q1 2020	38,665	$612	$21.23	$11.79 - $30.00
Q4 2019	37,404	$898	$20.22	$13.94 - $24.24
Q3 2019	36,931	$644	$13.88	$11.20 - $16.67
Q2 2019	36,121	$494	$12.74	$10.50 - $14.82
Q1 2019	38,872	$442	$10.73	$8.10 - $13.12
Q4 2018	37,623	$414	$9.78	$6.94 - $13.00
Q3 2018	37,633	$387	$14.54	$12.28 - $17.35
Q2 2018	40,864	$660	$17.54	$15.36 - $19.59
Q1 2018	40,044	$666	$21.09	$16.29 - $27.20