Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
VENROCK ASSOCIATES IV L P
  2. Issuer Name and Ticker or Trading Symbol
Bellerophon Therapeutics, Inc. [BLPH]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O VENROCK, 3340 HILLVIEW AVENUE
3. Date of Earliest Transaction (Month/Day/Year)
08/14/2018
(Street)

PALO ALTO, CA 94304
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 08/14/2018   P   190,977 (1) A $ 0.6486 6,202,770 I (2) By funds
Common Stock 08/15/2018   P   272,000 A $ 0.6467 6,474,770 I (3) By funds
Common Stock 08/16/2018   P   66,393 A $ 0.6493 6,541,163 I (4) By funds

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
VENROCK ASSOCIATES IV L P
C/O VENROCK
3340 HILLVIEW AVENUE
PALO ALTO, CA 94304
    X    
Shah Nimish P
C/O VENROCK
3340 HILLVIEW AVENUE
PALO ALTO, CA 94304
    X    

Signatures

 /s/ David L. Stepp, Authorized Signatory   08/16/2018
**Signature of Reporting Person Date

 /s/ David L. Stepp, attorney-in-fact   08/16/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) This Form 4 is the second of two Form 4s being filed to report the beneficial ownership of the following Reporting Persons: Venrock Associates IV, LP, Venrock Partners, LP, Venrock Entrepreneurs Fund IV, LP, Venrock Management IV, LLC, Venrock Partners Management, LLC, VEF Management IV, LLC, Venrock Healthcare Capital Partners II, LP, VHCP Management II, LLC, VHCP Co-Investment Holdings II, LLC, Bong Koh and Nimish Shah. Two Form 4s are being filed because each form can report a maximum of 10 reporting persons.
(2) Consists of (i) 173,617 shares purchased by Venrock Healthcare Capital Partners III, LP and (ii) 17,360 shares purchased by VHCP Co-Investment Holdings III, LLC.
(3) Consists of (i) 247,275 shares purchased by Venrock Healthcare Capital Partners III, LP and (ii) 24,725 shares purchased by VHCP Co-Investment Holdings II, LLC.
(4) Consists of (i) 60,358 shares purchased by Venrock Healthcare Capital Partners III, LP and (ii) 6,035 shares purchased by VHCP Co-Investment Holdings III, LLC.

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