Home > Insider Trading > Filing (0001140361-10-035163)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1409375	Orion Energy Systems Inc.	OESX	Electric Lighting & Wiring Equipment (3640)	391847269

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1463800	C Mark Williamson	123 E. Main St., Suite 202 Madison WI 53703		Yes	No	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	2010-08-26	10,000	$2.21	10,000	No	4	P	Direct

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

Reported Derivative Holdings

Sec. Name	Sec. Type	Price	Date	Expiration Date	Amount	Remaning Holdings	Nature of Ownership
Common Stock	Stock Options (right to buy)	$3.78	2010-05-19	2019-05-19	10,583	10,583	Direct
Common Stock	Stock Options (right to buy)	$3.46	2011-05-18	2020-05-18	19,912	19,912	Direct

Expiration Date	Amount	Remaning Holdings	Nature of Ownership
2019-05-19	10,583	10,583	Direct
2020-05-18	19,912	19,912	Direct

Footnotes

The price in Column 4 is a weighted average price. The prices actually received ranged from $2.15 to $2.22. The reporting person has provided to the issuer, and will provide to any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range for all transactions reported in this Form 4 utilizing an average weighted price.
Grant to reporting person of option to buy shares under the 2004 Stock and Incentive Awards Plan. This option, granted May 19, 2009, vests and becomes exercisable in three equal installments on May 19, 2010, 2011 and 2012, respectively.
Grant to reporting person of option to buy shares under the 2004 Stock and Incentive Awards Plan. This option, granted May 18, 2010, vests and becomes exercisable in three equal installments on May 18, 2011, 2012 and 2013, respectively.