Tobira Therapeutics Inc. (TBRA): BVF Slashes Its Stake to 2.1% Following Merger Announcement

Mark Lampert‘s Biotechnology Value Fund LP recently filed a 13G with the US SEC to report lowering its stake in Tobira Therapeutics Inc. (NASDAQ:TBRA) to 399,433 shares, which amass 2.1% of the float. The stake was lowered from 2.14 million shares which Biotechnology Value Fund previously held, which accounted for 11.4% of the company’s outstanding stock, as per its previous 13G filing on the company.

Tobira Therapeutics, formerly Regado Biosciences, is a biopharmaceutical company that develops therapies to help treat patients who suffer from liver disease, inflammation fibrosis, and HIV. On September 20, Tobira signed an agreement with Allergan plc (NYSE:AGN) to be acquired by the company for a total sum of around $1.7 billion. Year-to-date, Tobira’s stock is up by a massive 293.03%.

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Seven of the hedge funds that we track were long Tobira Therapeutics Inc. (NASDAQ:TBRA) on June 30, down by two during the second quarter. Lampert’s fund had the largest position among the funds in our database, valued at $15.74 million, while Paul Marshall and Ian Wace’s Marshall Wace LLP, and Israel Englander’s Millennium Management also held positions worth more than a million dollars. Brian Ashford-Russell and Tim Woolley’s Polar Capital sold off its 50,000-share stake in the second quarter.

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You can access the original SEC filing by clicking here.

Ownership Summary Table

Name Sole Voting Power Shared Voting Power Sole Dispositive Power Shared Dispositive Power Aggregate Amount Owned Power Percent of Class
Biotechnology Value Trading Fund OS 0 33,627 0 33,627 33,627 Less than 1%
BVF Partners OS Ltd 0 33,627 0 33,627 33,627 Less than 1%
BVF Partners 0 399,433 0 399,433 399,433 2.1%
BVF Inc 0 399,433 0 399,433 399,433 2.1%
Mark N. Lampert 0 399,433 0 399,433 399,433 2.1%

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Page 1 of 11 – SEC Filing

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2(b)
(Amendment No. 6)1
Tobira Therapeutics, Inc.
 (Name of Issuer)
Common Stock, par value $0.001
 (Title of Class of Securities)
88883P 10 1
 (CUSIP Number)
September 20, 2016
 (Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
   o  Rule 13d-1(b)
   x  Rule 13d-1(c)
   o  Rule 13d-1(d)

_______________
The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
      The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

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Page 2 of 11 – SEC Filing

1
NAME OF REPORTING PERSON
Biotechnology Value Trading Fund OS LP
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) x
  (b) o
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 shares
6
SHARED VOTING POWER
33,627
7
SOLE DISPOSITIVE POWER
0 shares
8
SHARED DISPOSITIVE POWER
33,627
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
33,627
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
Less than 1%
12
TYPE OF REPORTING PERSON
 
PN

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Page 3 of 11 – SEC Filing

1
NAME OF REPORTING PERSON
BVF Partners L.P.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) x
  (b) o
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 shares
6
SHARED VOTING POWER
399,433
7
SOLE DISPOSITIVE POWER
0 shares
8
SHARED DISPOSITIVE POWER
399,433
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
399,433
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.1%
12
TYPE OF REPORTING PERSON
 
PN, IA

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Page 4 of 11 – SEC Filing

1
NAME OF REPORTING PERSON
BVF Inc.
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) x
  (b) o
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 shares
6
SHARED VOTING POWER
399,433
7
SOLE DISPOSITIVE POWER
0 shares
8
SHARED DISPOSITIVE POWER
399,433
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
399,433
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.1%
12
TYPE OF REPORTING PERSON
 
CO

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Page 5 of 11 – SEC Filing

1
NAME OF REPORTING PERSON
Mark N. Lampert
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
  (a) x
  (b) o
3
SEC USE ONLY
4
CITIZENSHIP OR PLACE OF ORGANIZATION
United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
5
SOLE VOTING POWER
0 shares
6
SHARED VOTING POWER
399,433
7
SOLE DISPOSITIVE POWER
0 shares
8
SHARED DISPOSITIVE POWER
399,433
9
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
399,433
10
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
¨
11
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
2.1%
12
TYPE OF REPORTING PERSON
 
IN

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Page 6 of 11 – SEC Filing

Item 1(a).
Name of Issuer:
Tobira Therapeutics, Inc., a Delaware corporation (the “Issuer”).
Item 1(b).
Address of Issuer’s Principal Executive Offices:
701 Gateway Blvd., Suite 300
South San Francisco, CA 94080
Item 2(a).
Name of Person Filing
Item 2(b).
Address of Principal Business Office or, if None, Residence
Item 2(c).
Citizenship
Biotechnology Value Fund, L.P. (“BVF”)
1 Sansome Street, 30th Floor
San Francisco, California 94104
Citizenship: Delaware
Biotechnology Value Fund II, L.P. (“BVF2”)
1 Sansome Street, 30th Floor
San Francisco, California 94104
Citizenship: Delaware
Biotechnology Value Trading Fund OS LP (“Trading Fund OS”)
PO Box 309 Ugland House
Grand Cayman, KY1-1104
Cayman Islands
Citizenship: Cayman Islands
BVF Partners OS Ltd. (“Partners OS”)
PO Box 309 Ugland House
Grand Cayman, KY1-1104
Cayman Islands
Citizenship: Cayman Islands
BVF Partners L.P. (“Partners”)
1 Sansome Street, 30th Floor
San Francisco, California 94104
Citizenship: Delaware
BVF Inc.
1 Sansome Street, 30th Floor
San Francisco, California 94104
Citizenship: Delaware
Mark N. Lampert (“Mr. Lampert”)
1 Sansome Street, 30th Floor
San Francisco, California 94104
Citizenship: United States
Each of the foregoing is referred to as a “Reporting Person” and collectively as the “Reporting Persons.”

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Page 7 of 11 – SEC Filing

Item 2(d).
Title of Class of Securities:
Common Stock, par value $0.001 (the “Common Stock”)
Item 2(e).
CUSIP Number:
88883P 10 1
Item 3.
If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:
 
/x/
Not applicable.
 
(a)
/ /
Broker or dealer registered under Section 15 of the Exchange Act.
 
(b)
/ /
Bank as defined in Section 3(a)(6) of the Exchange Act.
 
(c)
/ /
Insurance company as defined in Section 3(a)(19) of the Exchange Act.
 
(d)
/ /
Investment company registered under Section 8 of the Investment Company Act.
 
(e)
/ /
An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E).
 
(f)
/ /
An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F).
 
(g)
/ /
A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G).
 
(h)
/ /
A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act.
 
(i)
/ /
A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act.
 
(j)
/ /
Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
 
(k)
/ /
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J), please specify the type of institution: ____
Item 4.
Ownership
 
(a)
Amount beneficially owned:
 
As of the close of business on September 22, 2016 (i) BVF beneficially owned 173,932  shares of Common Stock, (ii) BVF2 beneficially owned 113,473 shares of Common Stock, and (iii) Trading Fund OS beneficially owned 33,627 shares of Common Stock.
 
Partners OS as the general partner of Trading Fund OS may be deemed to beneficially own the 33,627 shares of Common Stock beneficially owned by Trading Fund OS.

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Page 8 of 11 – SEC Filing

 
Partners, as the general partner of BVF, BVF2, the investment manager of Trading Fund OS, and the sole member of Partners OS, may be deemed to beneficially own the 399,433 shares of Common Stock beneficially owned in the aggregate by BVF, BVF2, Trading Fund OS, and certain Partners Managed Accounts (the “Partners Managed Accounts”), including 78,401 shares of Common Stock held in the Partners Managed Accounts.
 
BVF Inc., as the general partner of Partners, may be deemed to beneficially own the 399,433 shares of Common Stock beneficially owned by Partners.
 
Mr. Lampert, as a director and officer of BVF Inc., may be deemed to beneficially own the 399,433 shares of Common Stock beneficially owned by BVF Inc.
 
The foregoing should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of any shares of Common Stock owned by another Reporting Person. Partners OS disclaims beneficial ownership of the shares of Common Stock beneficially owned by Trading Fund OS. Each of Partners, BVF Inc. and Mr. Lampert disclaims beneficial ownership of the shares of Common Stock beneficially owned by BVF, BVF2, Trading Fund OS, and the Partners Managed Accounts, and the filing of this statement shall not be construed as an admission that any such person or entity is the beneficial owner of any such securities.
 
(b)
Percent of class:
 
The following percentages are based on 18,821,231 shares of Common Stock outstanding as of September 15, 2016, as disclosed in the Issuer’s Agreement and Plan of Merger, dated September 19, 2016, by and among the Issuer and the other parties thereto, filed as an exhibit to the Issuer’s Form 8-K with the Securities and Exchange Commission on September 20, 2016.
 
As of the close of business on September 22, 2016 (i) BVF beneficially owned less than 1% of the outstanding shares of Common Stock, (ii) BVF2 beneficially owned less than 1% of the outstanding shares of Common Stock, (iii) Trading Fund OS beneficially owned less than 1% of the outstanding shares of Common Stock (iv) Partners OS may be deemed to beneficially own less than 1% of the outstanding shares of Common Stock, and (v) each of Partners, BVF Inc. and Mr. Lampert may be deemed to beneficially own approximately 2.1% of the outstanding shares of Common Stock (less than 1% of which is held in the Partners Managed Accounts).
 
(c)
Number of shares as to which such person has:
 
(i)
Sole power to vote or to direct the vote
 
See Cover Pages Items 5-9.
 
(ii)
Shared power to vote or to direct the vote
 
See Cover Pages Items 5-9.
 
(iii)
Sole power to dispose or to direct the disposition of
 
See Cover Pages Items 5-9.
 
(iv)
Shared power to dispose or to direct the disposition of
 
See Cover Pages Items 5-9.

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Page 9 of 11 – SEC Filing

Item 5.
Ownership of Five Percent or Less of a Class.
If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [X].
Item 6.
Ownership of More than Five Percent on Behalf of Another Person.
Partners, BVF Inc. and Mr. Lampert share voting and dispositive power over the shares of Common Stock beneficially owned by BVF, BVF2, Trading Fund OS, and the Partners Managed Accounts.
Item 7.
Identification and Classification of the Subsidiary That Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable.
Item 8.
Identification and Classification of Members of the Group.
See Exhibit 99.1 to Amendment No. 4 to Schedule 13G filed with the Securities and Exchange Commission on February 16, 2016.
Item 9.
Notice of Dissolution of Group.
Not Applicable.
Item 10.
Certifications.
By signing below each of the undersigned certifies that, to the best of its knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

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Page 10 of 11 – SEC Filing

SIGNATURE
After reasonable inquiry and to the best of his knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.
Dated:  September 22, 2016
BIOTECHNOLOGY VALUE FUND, L.P.
   
 
 
   
BVF INC.
By:
BVF Partners L.P., its general partner
   
 
By:
BVF Inc., its general partner
 
By:
/s/ Mark N. Lampert
 
 
   
Mark N. Lampert
By:
/s/ Mark N. Lampert
   
President
 
Mark N. Lampert
     
 
President
   
 
 
 
     
 
 
   
MARK N. LAMPERT
BIOTECHNOLOGY VALUE FUND II, L.P.
   
 
 
   
/s/ Mark N. Lampert
By:
BVF Partners L.P., its general partner
     
By:
BVF Inc., its general partner
     
 
 
     
By:
/s/ Mark N. Lampert
     
 
Mark N. Lampert
     
 
President
     
         
       
         
BVF PARTNERS L.P.
     
         
By:
BVF Inc., its general partner
     
 
 
     
By:
/s/ Mark N. Lampert
     
 
Mark N. Lampert
     
 
President
     
BVF PARTNERS OS LTD.
     
         
By:
BVF Partners L.P., its sole member
     
By:
BVF Inc., its general partner
     
 
 
     
By:
/s/ Mark N. Lampert
     
 
Mark N. Lampert
     
 
President
     
         
         
BIOTECHNOLOGY VALUE TRADING FUND OS LP
     
         
By:
BVF Partners L.P., its investment manager
     
By:
BVF Inc., its general partner
     
 
 
     
By:
/s/ Mark N. Lampert
     
 
Mark N. Lampert
     
 
President
     

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Page 11 of 11 – SEC Filing

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