INDEPENDENCE CONTRACT DRIL I

CUSIP: 453415309 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2019
Shares 107,860 Value ($000) $108 Avg Close Range
Q3 2019
Shares 107,860 Value ($000) $130 Avg Close Range
Q2 2019
Shares 107,860 Value ($000) $171 Avg Close Range
Q1 2019
Shares 107,860 Value ($000) $299 Avg Close Range
Q4 2018
Shares 107,860 Value ($000) $337 Avg Close Range
Q3 2018
Shares 68,000 Value ($000) $336 Avg Close Range
Q2 2018
Shares 68,000 Value ($000) $281 Avg Close Range
Q1 2018
Shares 68,000 Value ($000) $258 Avg Close Range
Q4 2017
Shares 46,000 Value ($000) $184 Avg Close Range
Q3 2017
Shares 46,000 Value ($000) $175 Avg Close Range
Q2 2017
Shares 46,000 Value ($000) $179 Avg Close Range
Q1 2017
Shares 46,000 Value ($000) $254 Avg Close Range
Q4 2016
Shares 46,000 Value ($000) $309 Avg Close Range
Q3 2016
Shares 46,000 Value ($000) $242 Avg Close Range
Q2 2016
Shares 46,000 Value ($000) $250 Avg Close Range
Q1 2016
Shares 18,200 Value ($000) $87 Avg Close Range
Q4 2015
Shares 18,200 Value ($000) $92 Avg Close Range
Q3 2015
Shares 11,200 Value ($000) $56 Avg Close Range
Q2 2015
Shares 11,200 Value ($000) $100 Avg Close Range
Q1 2015
Shares 11,200 Value ($000) $79 Avg Close Range
Q4 2014
Shares 11,200 Value ($000) $59 Avg Close Range