AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

Tower Research Capital LLC (TRC)'s Holding History (CIK: 0001533421)

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

Q2 2016
Shares 578 Value ($000) $22 Avg Close — Range —
Q1 2016
Shares 677 Value ($000) $19 Avg Close — Range —
Q4 2015
Shares 200 Value ($000) $8 Avg Close — Range —
Q3 2015
Shares 2,657 Value ($000) $95 Avg Close — Range —
Q2 2015
Shares 1,473 Value ($000) $65 Avg Close — Range —
Q1 2015
Shares 1,126 Value ($000) $55 Avg Close — Range —
Q4 2014
Shares 7 Value ($000) $0 Avg Close — Range —
Q3 2014
Shares 594 Value ($000) $33 Avg Close — Range —
Q1 2014
Shares 149 Value ($000) $10 Avg Close — Range —
Q3 2013
Shares 558 Value ($000) $34 Avg Close — Range —