AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q2 2016
Shares 7,068 Value ($000) $262 Avg Close — Range —
Q1 2016
Shares 7,318 Value ($000) $211 Avg Close — Range —
Q4 2015
Shares 7,239 Value ($000) $269 Avg Close — Range —
Q3 2015
Shares 7,342 Value ($000) $261 Avg Close — Range —
Q2 2015
Shares 14,536 Value ($000) $636 Avg Close — Range —
Q1 2015
Shares 7,372 Value ($000) $360 Avg Close — Range —
Q4 2014
Shares 15,464 Value ($000) $802 Avg Close — Range —
Q3 2014
Shares 7,812 Value ($000) $433 Avg Close — Range —
Q2 2014
Shares 7,769 Value ($000) $541 Avg Close — Range —
Q1 2014
Shares 7,970 Value ($000) $535 Avg Close — Range —
Q4 2013
Shares 8,301 Value ($000) $597 Avg Close — Range —
Q3 2013
Shares 8,979 Value ($000) $541 Avg Close — Range —
Q2 2013
Shares 8,862 Value ($000) $496 Avg Close — Range —