CMC MATERIALS INC

CUSIP: 12571T100 Class: COMMON STOCK

BOKF, NA's Holding History (CIK: 0000009634)

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

Q1 2021
Shares 2,422 Value ($000) $428 Avg Close — Range —
Q4 2020
Shares 2,068 Value ($000) $313 Avg Close — Range —