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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
887969	Mrv Communications Inc	MRVC.PK	Semiconductors & Related Devices (3674)	061340090

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1345051	H Kenneth Stein Shubin	20415 Nordhoff Street Chatsworth CA 91311		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	Disposition	2010-12-13	1,000	$1.73	464,046	No	4	S	Indirect	See Footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Indirect	See Footnote

Footnotes

Dr. Shubin Stein's sale of MRV Communications, Inc.'s common stock reported herein was matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of 1,000 shares, with the reporting person's purchase of 936 shares at a price of $1.27 per share, and 64 shares at a price of $1.28 per share each on June 15, 2010. Even though the shares were only held indirectly through a managed fund, Dr. Shubin Stein has paid MRV Communications, Inc. $459.36, representing the full amount of the profit realized in connection with the short-swing transaction.
Dr. Shubin Stein beneficially owns 128,133 shares of common stock of MRV Communications, Inc. directly. In addition, he has sole trading and voting discretions as the managing member of Spencer Capital Management, LLC, which manages various accounts that hold 335,913 shares of MRV Communications, Inc. common stock including the reported transaction above. As the managing member of Spencer Capital Management, LLC, Dr. Shubin Stein may be deemed to be the beneficial owner of the 335,913 shares held in the managed accounts. Dr. Shubin Stein claims beneficial ownership of any of the shares included in this report to the extent of his pecuniary interest therein.