AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

ING GROEP NV's Holding History (CIK: 0001039765)

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

Q4 2015
Shares 21,000 Value ($000) $866 Avg Close — Range —
Q3 2015
Shares 86,000 Value ($000) $3,060 Avg Close — Range —
Q2 2015
Shares 106,000 Value ($000) $4,642 Avg Close — Range —
Q1 2015
Shares 106,000 Value ($000) $5,199 Avg Close — Range —
Q4 2014
Shares 129,400 Value ($000) $6,716 Avg Close — Range —
Q3 2014
Shares 129,400 Value ($000) $7,195 Avg Close — Range —
Q2 2014
Shares 60,200 Value ($000) $4,166 Avg Close — Range —
Q1 2014
Shares 47,900 Value ($000) $3,143 Avg Close — Range —
Q4 2013
Shares 62,500 Value ($000) $4,499 Avg Close — Range —
Q3 2013
Shares 47,000 Value ($000) $2,833 Avg Close — Range —
Q2 2013
Shares 6,500 Value ($000) $366 Avg Close — Range —