ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

Aigen Investment Management, LP's Holding History (CIK: 0001741224)

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

Q3 2025

Shares 8,977 Value ($000) $245 Avg Close $24.59 Range $21.28 - $29.72

Q2 2025

Shares 16,000 Value ($000) $361 Avg Close $20.53 Range $16.66 - $23.22

Q3 2024

Shares 5,742 Value ($000) $229 Avg Close $41.01 Range $32.33 - $56.47

Q1 2020

Shares 1,921 Value ($000) $27 Avg Close $21.23 Range $11.79 - $30.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	8,977	$245	$24.59	$21.28 - $29.72
Q2 2025	16,000	$361	$20.53	$16.66 - $23.22
Q3 2024	5,742	$229	$41.01	$32.33 - $56.47
Q1 2020	1,921	$27	$21.23	$11.79 - $30.00