AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

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

Q3 2015
Shares 5,899 Value ($000) $210 Avg Close — Range —
Q2 2015
Shares 4,874 Value ($000) $214 Avg Close — Range —
Q1 2015
Shares 6,551 Value ($000) $320 Avg Close — Range —