AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q2 2016
Shares 76,276 Value ($000) $2,854 Avg Close — Range —
Q1 2016
Shares 78,418 Value ($000) $2,172 Avg Close — Range —
Q4 2015
Shares 78,303 Value ($000) $3,240 Avg Close — Range —
Q3 2015
Shares 78,432 Value ($000) $2,789 Avg Close — Range —
Q2 2015
Shares 82,317 Value ($000) $3,606 Avg Close — Range —
Q1 2015
Shares 88,405 Value ($000) $4,319 Avg Close — Range —
Q4 2014
Shares 88,438 Value ($000) $4,590 Avg Close — Range —
Q3 2014
Shares 92,855 Value ($000) $5,143 Avg Close — Range —
Q2 2014
Shares 99,525 Value ($000) $6,926 Avg Close — Range —
Q1 2014
Shares 110,549 Value ($000) $7,426 Avg Close — Range —
Q4 2013
Shares 120,255 Value ($000) $8,648 Avg Close — Range —
Q3 2013
Shares 119,797 Value ($000) $7,225 Avg Close — Range —
Q2 2013
Shares 126,380 Value ($000) $7,078 Avg Close — Range —