Page 2 of 13 – SEC Filing CUSIP No. 09627Y109 13G Page 2 of 13 Pages
1.
NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Partner Fund Management, L.P.
2.
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(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
1,359,946 shares
7.
SOLE DISPOSITIVE POWER
0
8.
SHARED DISPOSITIVE POWER
See Row 6 above
9.
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
See Row 6 above
10.
CHECK BOX
IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
CERTAIN SHARES ¨
11.
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
5.0%1
12.
TYPE OF REPORTING PERSON
IA; PN
1 The percentages reported in this Schedule 13G are based
upon 27,201,271 shares of common stock outstanding as of February 29, 2016 according to the Form 10-K filed by the issuer with
the Securities and Exchange Commission on March 11, 2016. All of the other numbers and percentages reported in this Schedule 13G
are as of 9:00 a.m. (PT) on the date of filing.
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CUSIP No. 09627Y109 | 13G | Page 2 of 13 Pages |
1. | NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Partner Fund Management, L.P. |
2. | CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (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
1,359,946 shares | |
7. | SOLE DISPOSITIVE POWER 0 | |
8. | SHARED DISPOSITIVE POWER See Row 6 above |
9. | AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON See Row 6 above |
10. | CHECK BOX CERTAIN SHARES ¨ |
11. | PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.0%1 |
12. | TYPE OF REPORTING PERSON IA; PN |
1 | The percentages reported in this Schedule 13G are based upon 27,201,271 shares of common stock outstanding as of February 29, 2016 according to the Form 10-K filed by the issuer with the Securities and Exchange Commission on March 11, 2016. All of the other numbers and percentages reported in this Schedule 13G are as of 9:00 a.m. (PT) on the date of filing. |