SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
X	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Rock Springs Capital Management LP (Last) (First) (Middle) 650 SOUTH EXETER ST. SUITE 1070 (Street) BALTIMORE MD 21202 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol IMARA Inc. [ IMRA ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 03/16/2020
	4. If Amendment, Date of 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

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	03/16/2020		C		273,411	A	(1)	273,411	I	See footnote(2)
Common Stock	03/16/2020		P		250,000	A	$16	523,411	I	See footnote(2)

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 Securities Underlying Derivative Security (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: 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
Series B Preferred Stock	(1)	03/16/2020		C			1,722,222	(1)	(1)	Common Stock	273,411	$0.00	0	I	See footnote(2)

1. Name and Address of Reporting Person* Rock Springs Capital Management LP (Last) (First) (Middle) 650 SOUTH EXETER ST. SUITE 1070 (Street) BALTIMORE MD 21202 (City) (State) (Zip)

1. Name and Address of Reporting Person* Rock Springs Capital Master Fund LP (Last) (First) (Middle) C/O WALKERS CORPORATE LIMITED, CAYMAN CO CENTER, 27 HOSPITAL ROAD (Street) GEORAGE TOWN E9 KY-1-9008 (City) (State) (Zip)

1. Name and Address of Reporting Person* Rock Springs Capital LLC (Last) (First) (Middle) 650 SOUTH EXETER ST. SUITE 1070 (Street) BALTIMORE MD 21202 (City) (State) (Zip)

Explanation of Responses:

1. On March 16, 2020, the Issuer's Series B Preferred Stock converted into Common Stock on a 6.299-for-1 basis upon the closing of the Issuer's initial public offering without payment of consideration. The Series B Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The shares had no expiration date.

2. The securities reported herein are held of record by Rock Springs Capital Master Fund LP ("Master Fund"). Rock Springs Capital LLC ("RSC") is the general partner of Rock Springs Capital Management LP ("RSCM") which is the investment manager to Master Fund. RSC and RSCM may therefore be deemed to have or share beneficial ownership of the Series B Preferred Stock held directly by Master Fund.

Remarks:

	Rock Springs Capital Management LP, By: /s/ Michael P. Gray, Attorney-in-Fact	03/16/2020
	Rock Springs Capital Master Fund LP, By: /s/ Michael P. Gray, Attorney-in-Fact	03/16/2020
	Rock Springs Capital LLC, By: /s/ Michael P. Gray, Attorney-in-Fact	03/16/2020
	** 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 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.