13G Filing: Whitebox Advisors and Ultra Petroleum Corp (NYSE:UPL)

Page 2 of 8 – SEC Filing

CUSIP No.
903914109
1.
NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Whitebox Advisors LLC
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)  [_]
(b)  [X]
3.
SEC USE ONLY
4.
CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
5.
SOLE VOTING POWER
0
6.
SHARED VOTING POWER
7,817,810
7.
SOLE DISPOSITIVE POWER
0
8.
SHARED DISPOSITIVE POWER
7,817,810
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
7,817,810
10.
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
[_]
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.1%
12.
TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IA
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