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

Page 2 of 10 – SEC Filing

1
NAME OF REPORTING PERSONS
The D3 Family Fund, L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)
(a) [X]  (b) [  ]
3
SEC USE ONLY
4
SOURCE OF FUNDS (See Instructions)
WC
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [   ]
6
CITIZENSHIP OR PLACE OF ORGANIZATION
Washington
NUMBER OF SHARES
BENEFICIALLY
7
SOLE VOTING POWER
0
OWNED BY
EACH
REPORTING
8
SHARED VOTING POWER
439,169
PERSON
WITH
9
SOLE DISPOSITIVE POWER
0
10
SHARED DISPOSITIVE POWER
439,169
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
439,169
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11)
EXCLUDES CERTAIN SHARES    [ ]
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
1.1%
14
TYPE OF REPORTING PERSON (See Instructions)
PN
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