I D SYSTEMS INC

CUSIP: 449489103 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2019
Shares 219,358 Value ($000) $1,202 Avg Close — Range —
Q2 2019
Shares 214,356 Value ($000) $1,260 Avg Close — Range —
Q1 2019
Shares 209,504 Value ($000) $1,242 Avg Close — Range —
Q4 2018
Shares 179,898 Value ($000) $1,006 Avg Close — Range —
Q3 2018
Shares 190,256 Value ($000) $1,322 Avg Close — Range —
Q2 2018
Shares 196,568 Value ($000) $1,217 Avg Close — Range —
Q1 2018
Shares 212,915 Value ($000) $1,324 Avg Close — Range —
Q4 2017
Shares 238,132 Value ($000) $1,653 Avg Close — Range —
Q3 2017
Shares 267,398 Value ($000) $2,008 Avg Close — Range —
Q2 2017
Shares 306,422 Value ($000) $1,878 Avg Close — Range —
Q1 2017
Shares 323,226 Value ($000) $2,046 Avg Close — Range —
Q4 2016
Shares 416,476 Value ($000) $2,257 Avg Close — Range —
Q3 2016
Shares 437,892 Value ($000) $2,146 Avg Close — Range —
Q2 2016
Shares 459,731 Value ($000) $2,211 Avg Close — Range —
Q1 2016
Shares 471,231 Value ($000) $2,045 Avg Close — Range —
Q4 2015
Shares 481,972 Value ($000) $2,217 Avg Close — Range —
Q3 2015
Shares 516,071 Value ($000) $1,657 Avg Close — Range —
Q2 2015
Shares 535,172 Value ($000) $3,265 Avg Close — Range —
Q1 2015
Shares 567,045 Value ($000) $3,612 Avg Close — Range —
Q4 2014
Shares 567,045 Value ($000) $3,794 Avg Close — Range —
Q3 2014
Shares 571,742 Value ($000) $4,225 Avg Close — Range —
Q2 2014
Shares 579,150 Value ($000) $3,151 Avg Close — Range —
Q1 2014
Shares 576,750 Value ($000) $3,276 Avg Close — Range —
Q4 2013
Shares 580,146 Value ($000) $3,359 Avg Close — Range —
Q3 2013
Shares 584,392 Value ($000) $3,600 Avg Close — Range —
Q2 2013
Shares 585,133 Value ($000) $2,943 Avg Close — Range —