AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q2 2014
Shares 9,168 Value ($000) $638 Avg Close — Range —
Q1 2014
Shares 21,868 Value ($000) $1,469 Avg Close — Range —
Q4 2013
Shares 5,968 Value ($000) $429 Avg Close — Range —