DOCUMENT SEC SYS INC

CUSIP: 25614T200 Class: COM NEW

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

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

Q1 2020
Shares 130,507 Value ($000) $26 Avg Close — Range —
Q4 2019
Shares 374,691 Value ($000) $113 Avg Close — Range —
Q3 2019
Shares 418,088 Value ($000) $161 Avg Close — Range —
Q2 2019
Shares 163,897 Value ($000) $82 Avg Close — Range —
Q1 2019
Shares 137,157 Value ($000) $179 Avg Close — Range —
Q4 2018
Shares 113,557 Value ($000) $84 Avg Close — Range —
Q3 2018
Shares 116,432 Value ($000) $123 Avg Close — Range —
Q2 2018
Shares 116,432 Value ($000) $149 Avg Close — Range —
Q1 2018
Shares 103,232 Value ($000) $138 Avg Close — Range —
Q4 2017
Shares 89,025 Value ($000) $160 Avg Close — Range —
Q3 2017
Shares 108,087 Value ($000) $90 Avg Close — Range —
Q2 2017
Shares 108,087 Value ($000) $84 Avg Close — Range —
Q1 2017
Shares 119,635 Value ($000) $144 Avg Close — Range —
Q4 2016
Shares 94,358 Value ($000) $62 Avg Close — Range —
Q3 2016
Shares 95,258 Value ($000) $62 Avg Close — Range —