Bridgepoint Education Inc (BPI): Mangrove Partners Becomes 5% Shareholder

CUSIP No.  10807M105

1

NAMES OF REPORTING PERSONS

I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

Mangrove Partners Master Fund, Ltd

98-1083428

2

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (see instructions)

(a) ☒

(b) ☐

3

SEC USE ONLY

4

CITIZENSHIP OR PLACE OF ORGANIZATION

Cayman Islands

NUMBER OF

SHARES

BENEFICIALLY

OWNED BY

EACH REPORTING

PERSON WITH:

5

SOLE VOTING POWER

0

6

SHARED VOTING POWER

2,362,069

7

SOLE DISPOSITIVE POWER

0

8

SHARED DISPOSITIVE POWER

2,362,069

9

AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

2,362,069

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)

5.10%

12

TYPE OF REPORTING PERSON (see instructions)

OO