DOCUMENT SEC SYS INC

CUSIP: 25614T101 Class: CMN

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q2 2016
Shares 381,032 Value ($000) $77 Avg Close — Range —
Q1 2016
Shares 381,032 Value ($000) $71 Avg Close — Range —
Q4 2015
Shares 643,162 Value ($000) $109 Avg Close — Range —
Q3 2015
Shares 840,213 Value ($000) $144 Avg Close — Range —
Q2 2015
Shares 1,298,866 Value ($000) $344 Avg Close — Range —
Q1 2015
Shares 1,290,266 Value ($000) $464 Avg Close — Range —
Q4 2014
Shares 1,290,266 Value ($000) $581 Avg Close — Range —
Q3 2014
Shares 1,290,266 Value ($000) $1,097 Avg Close — Range —
Q2 2014
Shares 1,245,366 Value ($000) $1,706 Avg Close — Range —
Q1 2014
Shares 1,240,512 Value ($000) $1,588 Avg Close — Range —
Q4 2013
Shares 1,044,632 Value ($000) $2,162 Avg Close — Range —
Q3 2013
Shares 533,209 Value ($000) $608 Avg Close — Range —
Q2 2013
Shares 402,914 Value ($000) $927 Avg Close — Range —