INDEPENDENCE CONTRACT DRILLI

CUSIP: 453415606 Class: COMMON

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q2 2020
Shares 42 Value ($000) $0 Avg Close — Range —
Q1 2020
Shares 3,856 Value ($000) $5 Avg Close — Range —