U.S. SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

 

FORM 8-K

 

Current Report Pursuant

to Section 13 or 15(d) of the

Securities Exchange Act of 1934

 

Date of Report (Date of earliest event reported) May 19, 2009

 

AMERICAN SCIENCE AND ENGINEERING, INC.

(Exact Name Of Registrant As Specified In Its Charter)

 

MASSACHUSETTS

(State or Other Jurisdiction of Incorporation)

 

 

(978) 262-8700

(Registrant’s Telephone Number, Including Area Code)

 

N/A

(Former Name or Former Address, if Changed Since Last Report)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

 

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

 

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

 

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

 

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

 

 

 

ITEM 8.01. OTHER EVENTS.

 

On May 19, 2009, American Science and Engineering, Inc. issued a press release announcing the receipt of a $25 million follow-on order.  A copy of the press release issued on May 19, 2009 regarding the follow-on order is filed as Exhibit Number 99.1.

 

ITEM 9.01 EXHIBITS.

 

Exhibit Number		Description
99.1		Press Release dated May 19, 2009.

 

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SIGNATURE

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 

Date: May 21, 2009		AMERICAN SCIENCE AND ENGINEERING, INC.
		By:	/s/ Patricia A. Gray
		Patricia A. Gray
		Senior Vice President and General Counsel

 

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EXHIBIT INDEX

 

Exhibit Number		Description
99.1		Press Release dated May 19, 2009.

 

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