Iyer Radhakrishnan P. Form 3 Spring Bank Pharmaceuticals / Radhakrishnan P. Iyer ownership change

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Iyer Radhakrishnan P.

(Last) (First) (Middle)

C/O SPRING BANK PHARMACEUTICALS, INC.

113 CEDAR STREET

(Street)

MILFORD MA 01757

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
05/05/2016

3. Issuer Name and Ticker or Trading Symbol
Spring Bank Pharmaceuticals, Inc. [ SBPH ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Chief Scientific Officer

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	431,250	D
Common Stock	50,000	I	See footnote(1)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	(2)	03/30/2025	Common Stock	12,500	9.28	D

Explanation of Responses:

1. These shares are directly held by Nandakumar R & Suhasini R Iyer et al tr Radhakrishnan P Iyer TR DTD 7/8/14 (the "Trust"). The Reporting Person and the Reporting Person's immediate family members are beneficiaries of the Trust, and the Reporting Person is a trustee of the Trust.

2. This option was granted on March 31, 2015, with 25% of the shares subject to the option vesting on January 1, 2016 and the remaining 75% of the shares subject to the option vesting in 36 equal monthly installments thereafter.

Remarks:

Exhibit Index: 24.1 Power of Attorney

	/s/ Lori Firmani, attorney-in-fact	05/05/2016
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
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