ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q4 2025
Shares 60,000 Value ($000) $1,520 Avg Close $26.60 Range $21.49 - $31.11
Q3 2025
Shares 60,000 Value ($000) $1,635 Avg Close $24.59 Range $21.28 - $29.72
Q4 2023
Shares 4,500 Value ($000) $154 Avg Close $27.80 Range $22.15 - $35.54
Q3 2023
Shares 9,000 Value ($000) $267 Avg Close $33.70 Range $28.04 - $40.80
Q2 2023
Shares 9,000 Value ($000) $346 Avg Close $32.18 Range $26.59 - $39.15
Q4 2020
Shares 32,800 Value ($000) $1,022 Avg Close $27.90 Range $21.08 - $37.02
Q4 2019
Shares 96,800 Value ($000) $2,272 Avg Close $20.22 Range $13.94 - $24.24