AMERICAN SCIENCE & ENGR INC

CUSIP: 029429107 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q2 2016
Shares 102,512 Value ($000) $3,835 Avg Close — Range —