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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
5768	American Science & Engineering Inc.	ASEI	X-Ray Apparatus & Tubes & Related Irradiation Apparatus (3844)	042240991

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1352965	Paul Grazewski	American Science And Engineering, Inc. 829 Middlesex Turnpike Billerica MA 01821	Svp	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2012-11-20	676	$51.56	8,371	No	4	M	Direct
Common Stock	Disposition	2012-11-20	676	$61.17	7,695	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (right to buy)	Disposition	2012-11-20	676	$0.00	676	$51.56

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0		2018-06-12	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	2,062	Indirect	By 401(k) Plan

Footnotes

The price reported is a weighted average price. These shares were sold in two transactions at prices ranging from a low of $61.17 to a high of $61.195 for an average of $61.1729. The reporting person undertakes to provide to American Science and Engineering, Inc., any security holder of American Science and Engineering, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.
Includes 2,062 shares of AS&E common stock acquired under the AS&E 401(k) Plan. The information in this report is based on a plan statement dated as of November 20, 2012.
On June 12, 2008, the reporting person was granted an option to purchase 676 shares of common stock. The option vested based on the satisfaction of certain performance criteria, resulting in the vesting of the option as to 451 shares on March 31, 2010 and 225 shares on March 31, 2011.