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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000052388-15-000007
Filing Date
2015-02-10
Accepted
2015-02-10 10:39:26
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G americanscience13g.htm SC 13G 147010
  Complete submission text file 0000052388-15-000007.txt   148815
Mailing Address C/O AS&E 829 MIDDLESEX TURNPIKE BILLERICA MA 01821
Business Address C/O AS&E 829 MIDDLESEX TURNPIKE BILLERICA MA 01821 9782628700
AMERICAN SCIENCE & ENGINEERING, INC. (Subject) CIK: 0000005768 (see all company filings)

IRS No.: 042240991 | State of Incorp.: MA | Fiscal Year End: 0331
Type: SC 13G | Act: 34 | File No.: 005-17564 | Film No.: 15590907
SIC: 3844 X-Ray Apparatus & Tubes & Related Irradiation Apparatus

Mailing Address 4500 MAIN STREET KANSAS CITY MO 64111
Business Address 4500 MAIN STREET KANSAS CITY MO 64111 816-531-5575
AMERICAN CENTURY INVESTMENT MANAGEMENT INC (Filed by) CIK: 0000052388 (see all company filings)

IRS No.: 440640487 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000