13D Filing: Nierenberg Investment Management and Radisys Corp (RSYS)

The following constitutes Amendment No. 13 to the Schedule 13D filed by the undersigned (“Amendment No. 13”). This Amendment No. 13 amends the Schedule 13D with respect to the shares of common stock (the “Shares”) of Radisys Corporation. (“RSYS” or the “Company”) previously filed by or on behalf of the Reporting Persons specifically set forth herein.

Item 5.  Interest in Securities of the Issuer

Item 5(a) is hereby amended and restated to read as follows:

As of the close of business on the date hereof, the Family Fund individually beneficially owned 439,169 Shares, constituting approximately 1.1% of all of the outstanding Shares.

As of the close of business on the date hereof, the Bulldog Fund individually beneficially owned 1,070,648 Shares, constituting approximately 2.8% of all of the outstanding Shares.

As of the close of business on the date hereof, the Offshore Fund individually beneficially owned 79,836 Shares, constituting less than 1% of all of the outstanding Shares.

By virtue of its relationships with each of the Family Fund, the Bulldog Fund and the Offshore Fund discussed in further detail in Item 2, NIMCO may be deemed to be the beneficial owner of the 1,589,653 Shares, beneficially owned in the aggregate by the Family Fund, the Bulldog Fund and the Offshore Fund, constituting approximately 4.1% of all of the outstanding Shares.

By virtue of its relationships with the Offshore Fund discussed in further detail in Item 2, NIMO may be deemed to be the beneficial owner of the 79,836 Shares, beneficially owned by the Offshore Fund, constituting  less than 1% of all of the outstanding Shares.

By virtue of his relationship with NIMCO and NIMO discussed in further detail in Item 2, Mr. Nierenberg may be deemed to be the beneficial owner of the 1,589,653 Shares beneficially owned by NIMCO and NIMO, constituting approximately 4.1% of all of the outstanding Shares.

The Reporting Persons, in the aggregate, beneficially own 1,589,653 Shares, constituting approximately 4.1% of the outstanding Shares.

Item 5(b) is hereby amended and restated to read as follows:

The Bulldog Fund, NIMCO and Mr. Nierenberg have shared power (i) to vote or direct the vote of, and (ii) to dispose or direct the disposition of, the 1,070,648 Shares held by the Bulldog Fund.

The Offshore Fund, NIMO and Mr. Nierenberg have shared power (i) to vote or direct the vote of, and (ii) to dispose or direct the disposition of, the 79,836 Shares held by the Offshore Fund.

Item 5(c) is hereby amended and restated to read as follows:

 (c)  During the past sixty (60) days the following sale of Shares were made by the Reporting Persons named below in open market transaction:

 (e)  The Reporting Persons ceased to be beneficial owners of more than five percent of the outstanding Shares on July 18, 2017.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, each of the undersigned certifies that the information set forth in the Statement is true, complete and correct.

	D3 Family Fund, L.P., D3 Family Bulldog Fund, L.P., and D3 Family Canadian Fund, L.P.
	By:   Nierenberg Investment Management Company, Inc.
July 19, 2017	Its:   General Partner By:   /s/ David Nierenberg              David Nierenberg, President
	DIII Offshore Fund, L.P. By:   Nierenberg Investment Management Offshore, Inc.
July 19, 2017	Its:   General Partner By:   /s/ David Nierenberg              David Nierenberg, President
	Nierenberg Investment Management Company, Inc.
July 19, 2017	By:   /s/ David Nierenberg              David Nierenberg, President
	Nierenberg Investment Management Offshore, Inc.
July 19, 2017	By:   /s/ David Nierenberg              David Nierenberg, President
July 19, 2017	/s/ David Nierenberg      David Nierenberg