ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

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

Q2 2025

Shares 41,461 Value ($000) $1 Avg Close $20.53 Range $16.66 - $23.22

Q3 2021

Shares 16,212 Value ($000) $691 Avg Close $47.15 Range $39.00 - $56.24

Q3 2020

Shares 11,840 Value ($000) $254 Avg Close $24.28 Range $19.08 - $31.10

Q1 2020

Shares 15,414 Value ($000) $213 Avg Close $21.23 Range $11.79 - $30.00

Q4 2018

Shares 16,450 Value ($000) $139 Avg Close $9.78 Range $6.94 - $13.00

Q2 2018

Shares 18,543 Value ($000) $308 Avg Close $17.54 Range $15.36 - $19.59

Q1 2018

Shares 79,778 Value ($000) $1,536 Avg Close $21.09 Range $16.29 - $27.20

Q4 2017

Shares 101,996 Value ($000) $2,355 Avg Close $25.63 Range $18.86 - $34.59

Q3 2017

Shares 126,320 Value ($000) $3,868 Avg Close $23.64 Range $18.41 - $30.92

Q2 2017

Shares 108,596 Value ($000) $2,036 Avg Close $20.12 Range $14.93 - $26.21

Q1 2017

Shares 50,543 Value ($000) $853 Avg Close $13.27 Range $9.42 - $16.99

Q4 2016

Shares 71,735 Value ($000) $696 Avg Close $9.08 Range $7.06 - $10.65

Q3 2016

Shares 11,917 Value ($000) $88 Avg Close $6.56 Range $5.40 - $7.50

Q2 2016

Shares 151,927 Value ($000) $864 Avg Close $5.52 Range $4.95 - $6.07

Q1 2016

Shares 156,327 Value ($000) $838 Avg Close $5.07 Range $4.50 - $5.72

Q4 2015

Shares 134,793 Value ($000) $690 Avg Close $5.17 Range $4.60 - $5.91

Q3 2015

Shares 173,998 Value ($000) $999 Avg Close $6.60 Range $5.29 - $8.16

Q2 2015

Shares 165,051 Value ($000) $1,028 Avg Close $6.46 Range $5.26 - $7.51

Q1 2015

Shares 108,130 Value ($000) $773 Avg Close $8.80 Range $7.14 - $10.29

Q4 2014

Shares 122,973 Value ($000) $1,141 Avg Close $8.47 Range $7.32 - $9.51

Q3 2014

Shares 129,318 Value ($000) $1,157 Avg Close $9.32 Range $8.58 - $10.29

Q2 2014

Shares 81,493 Value ($000) $738 Avg Close $9.56 Range $7.62 - $13.89

Q1 2014

Shares 26,493 Value ($000) $348 Avg Close $12.49 Range $9.51 - $15.00

Q4 2013

Shares 22,393 Value ($000) $225 Avg Close $9.00 Range $6.53 - $10.66

Q3 2013

Shares 24,177 Value ($000) $167 Avg Close $6.67 Range $6.00 - $7.11

Q2 2013

Shares 41,384 Value ($000) $250 Avg Close $6.00 Range $4.52 - $6.45

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	41,461	$1	$20.53	$16.66 - $23.22
Q3 2021	16,212	$691	$47.15	$39.00 - $56.24
Q3 2020	11,840	$254	$24.28	$19.08 - $31.10
Q1 2020	15,414	$213	$21.23	$11.79 - $30.00
Q4 2018	16,450	$139	$9.78	$6.94 - $13.00
Q2 2018	18,543	$308	$17.54	$15.36 - $19.59
Q1 2018	79,778	$1,536	$21.09	$16.29 - $27.20
Q4 2017	101,996	$2,355	$25.63	$18.86 - $34.59
Q3 2017	126,320	$3,868	$23.64	$18.41 - $30.92
Q2 2017	108,596	$2,036	$20.12	$14.93 - $26.21
Q1 2017	50,543	$853	$13.27	$9.42 - $16.99
Q4 2016	71,735	$696	$9.08	$7.06 - $10.65
Q3 2016	11,917	$88	$6.56	$5.40 - $7.50
Q2 2016	151,927	$864	$5.52	$4.95 - $6.07
Q1 2016	156,327	$838	$5.07	$4.50 - $5.72
Q4 2015	134,793	$690	$5.17	$4.60 - $5.91
Q3 2015	173,998	$999	$6.60	$5.29 - $8.16
Q2 2015	165,051	$1,028	$6.46	$5.26 - $7.51
Q1 2015	108,130	$773	$8.80	$7.14 - $10.29
Q4 2014	122,973	$1,141	$8.47	$7.32 - $9.51
Q3 2014	129,318	$1,157	$9.32	$8.58 - $10.29
Q2 2014	81,493	$738	$9.56	$7.62 - $13.89
Q1 2014	26,493	$348	$12.49	$9.51 - $15.00
Q4 2013	22,393	$225	$9.00	$6.53 - $10.66
Q3 2013	24,177	$167	$6.67	$6.00 - $7.11
Q2 2013	41,384	$250	$6.00	$4.52 - $6.45