U S SILICA HLDGS INC

CUSIP: 90346E103 Class: Common Stock

Callahan Advisors, LLC's Holding History (CIK: 0001395055)

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

Q1 2024
Shares 11,000 Value ($000) $137 Avg Close — Range —
Q4 2023
Shares 11,000 Value ($000) $124 Avg Close — Range —