ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2022

Shares 800 Value ($000) $21 Avg Close $30.61 Range $25.19 - $36.23

Q2 2022

Shares 800 Value ($000) $24 Avg Close $32.45 Range $27.74 - $43.13

Q3 2013

Shares 122,578 Value ($000) $847 Avg Close $6.67 Range $6.00 - $7.11

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2022	800	$21	$30.61	$25.19 - $36.23
Q2 2022	800	$24	$32.45	$27.74 - $43.13
Q3 2013	122,578	$847	$6.67	$6.00 - $7.11