AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q3 2014
Shares 3,905 Value ($000) $216 Avg Close — Range —
Q2 2014
Shares 5,711 Value ($000) $397 Avg Close — Range —
Q1 2014
Shares 14,679 Value ($000) $986 Avg Close — Range —
Q4 2013
Shares 17,485 Value ($000) $1,257 Avg Close — Range —
Q3 2013
Shares 13,797 Value ($000) $832 Avg Close — Range —
Q2 2013
Shares 16,966 Value ($000) $950 Avg Close — Range —