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
	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* CR Group L.P. (Last) (First) (Middle) 1000 MAIN STREET, SUITE 2500 (Street) HOUSTON TX 77002 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol T2 Biosystems, Inc. [ TTOO ]	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) 02/14/2024
	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
	Rule 10b5-1(c) Transaction Indication Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

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	02/14/2024		C		335,947	A	(1)	335,947	I	By CRG Partners III (Cayman) Lev AIV I L.P.(2)
Common Stock	02/14/2024		C		488,273	A	(1)	488,273	I	By: CRG Partners III Parallel Fund B LP(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)	02/14/2024		C			33,594.71	07/03/2023	(3)	Common Stock	335,947	$0	0	I	By: CRG Partners III (Cayman) Lev AIV I L.P.(2)
Series B Preferred Stock	(1)	02/14/2024		C			48,827.3	07/03/2023	(3)	Common Stock	488,273	$0	10,875.25	I	By: CRG Partners III Parallel Fund B LP(2)

1. Name and Address of Reporting Person* CR Group L.P. (Last) (First) (Middle) 1000 MAIN STREET, SUITE 2500 (Street) HOUSTON TX 77002 (City) (State) (Zip)

1. Name and Address of Reporting Person* CRG Partners III (Cayman) Lev AIV I L.P. (Last) (First) (Middle) 1000 MAIN STREET, SUITE 2500 (Street) HOUSTON TX 77022 (City) (State) (Zip)

1. Name and Address of Reporting Person* CRG Partners III - Parallel Fund B (Cayman) L.P. (Last) (First) (Middle) 1000 MAIN STREET, SUITE 2500 (Street) HOUSTON TX 77002 (City) (State) (Zip)

1. Name and Address of Reporting Person* CRG Partners III L.P. (Last) (First) (Middle) 1000 MAIN STREET, SUITE 2500 (Street) HOUSTON TX 77002 (City) (State) (Zip)

1. Name and Address of Reporting Person* CRG Partners III - Parallel Fund (A) L.P. (Last) (First) (Middle) 1000 MAIN STREET, SUITE 2500 (Street) HOUSTON TX 77002 (City) (State) (Zip)

1. Name and Address of Reporting Person* CRG Partners III (Cayman) Unlev AIV I L.P. (Last) (First) (Middle) 1000 MAIN STREET, SUITE 2500 (Street) HOUSTON TX 77002 (City) (State) (Zip)

Explanation of Responses:

1. Each share of Series B Preferred Stock converted into 10 shares of Common Stock for no additional consideration.

2. CR Group L.P. may be deemed to beneficially own these shares by virtue of its position as the investment manager for the CRG Entities.

3. The preferred stock has no expiration date.

	/s/ Nathan D. Hukill, authorized signatory for CR Group LP, CRG Partners III LP, CRG Partners III Parallel Fund (A) LP, CRG Partners III Parallel Fund B LP, CRG Partners III (Cayman) Unlev AIV I LP, CRG Partners III (Cayman) Lev AIV I LP	02/16/2024
	** 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).
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