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Aggregate Amount Beneficially Owned by Each Reporting Person

8,853,173

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)

☐

Percent of Class Represented by Amount in Row (11)

65.4% (3)

Type of Reporting Person (See Instructions)

IN

Accession Number:: 0001193125-24-133433
Form Type:: 13D Filing
Publication Date:: 2024-05-06 20:00:00

Filed By:: Cr Group L.p.
Company:: T2 Biosystems Inc. (NASDAQ:TTOO)
Filing Date:: 2024-05-07
SEC Url:: 13D Filing

Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name	Shared Voting Power	Shared Dispositive Power	Aggregate Amount Owned Power	Percent of Class
Nathan D. Hukill	8,853,173	8,853,173	8,853,173	65.4%
CR Group	8,853,173	8,853,173	8,853,173	65.4%
CRG Partners III	1,330,175	1,330,175	1,330,175	9.8%
CRG Partners III 150 Parallel Fund 147 A 148	828,324	828,324	828,324	6.1%
CRG Partners III (Cayman) Unlev AIV I	266,038	266,038	266,038	2.0%
CRG Partners III (Cayman) Lev AIV I	3,548,707	3,548,707	3,548,707	26.2%
CRG Partners III Parallel Fund 147 B 148 (Cayman)	2,879,929	2,879,929	2,879,929	21.3%

Filing

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 1)*

T2 Biosystems, Inc.

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

89853L302

(CUSIP Number)

Andrei Dorenbaum

c/o CR Group L.P.

1000 Main Street, Suite 2500

Houston, TX 77002

(703) 209-7350

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

May 3, 2024

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. ☐

*	The remainder of this cover page shall be filled out for a reporting persons initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on 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 (the Exchange Act) or otherwise subject to the liabilities of that section of the Exchange Act but shall be subject to all other provisions of the Exchange Act (however, see the Notes).


CUSIP No. 89853L302				Page 2 of 11


1.		Names of Reporting Persons Nathan D. Hukill
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☒ (1) (b) ☐
3.		SEC Use Only
4.		Source of Funds (See Instructions) OO (2)
5.		Check Box if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization United States


Number of Shares Beneficially Owned by Each Reporting Person With	7.	Sole Voting Power 0
	8.	Shared Voting Power 8,853,173
	9.	Sole Dispositive Power 0
	10.	Shared Dispositive Power 8,853,173

(1)	Nathan D. Hukill, CR Group L.P., CRG Partners III L.P., CRG Partners III Parallel Fund A L.P., CRG Partners III (Cayman) Unlev AIV I L.P., CRG Partners III (Cayman) Lev AIV I L.P., and CRG Partners III Parallel Fund B (Cayman) L.P. are members of a group for the purposes of this Schedule 13D.

(2)	The shares of the Common Stock of the Issuer were acquired in exchange for and satisfaction of such partial debt cancellation of certain loans outstanding held by the group.

(3)	This percentage is calculated based on 13,541,285 shares of Common Stock issued and outstanding as of May 3, 2024, as provided by the Issuer.


CUSIP No. 89853L302				Page 3 of 11


1.		Names of Reporting Persons CR Group L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☒ (1) (b) ☐
3.		SEC Use Only
4.		Source of Funds (See Instructions) OO (2)
5.		Check Box if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Delaware


Number of Shares Beneficially Owned by Each Reporting Person With	7.	Sole Voting Power 0
	8.	Shared Voting Power 8,853,173
	9.	Sole Dispositive Power 0
	10.	Shared Dispositive Power 8,853,173

(1)	Nathan D. Hukill, CR Group L.P., CRG Partners III L.P., CRG Partners III Parallel Fund A L.P., CRG Partners III (Cayman) Unlev AIV I L.P., CRG Partners III (Cayman) Lev AIV I L.P., and CRG Partners III Parallel Fund B (Cayman) L.P. are members of a group for the purposes of this Schedule 13D..

(2)	The shares of the Common Stock of the Issuer were acquired in exchange for and satisfaction of such partial debt cancellation of certain loans outstanding held by the group.

(3)	This percentage is calculated based on 13,541,285 shares of Common Stock issued and outstanding as of May 3, 2024, as provided by the Issuer.


CUSIP No. 89853L302				Page 4 of 11


1.		Names of Reporting Persons CRG Partners III L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☒ (1) (b) ☐
3.		SEC Use Only
4.		Source of Funds (See Instructions) OO (2)
5.		Check Box if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Delaware


Number of Shares Beneficially Owned by Each Reporting Person With	7.	Sole Voting Power 0
	8.	Shared Voting Power 1,330,175
	9.	Sole Dispositive Power 0
	10.	Shared Dispositive Power 1,330,175

(1)	Nathan D. Hukill, CR Group L.P., CRG Partners III L.P., CRG Partners III Parallel Fund A L.P., CRG Partners III (Cayman) Unlev AIV I L.P., CRG Partners III (Cayman) Lev AIV I L.P., and CRG Partners III Parallel Fund B (Cayman) L.P. are members of a group for the purposes of this Schedule 13D.

(2)	The shares of the Common Stock of the Issuer were acquired in exchange for and satisfaction of such partial debt cancellation of certain loans outstanding held by the group.

(3)	This percentage is calculated based on 13,541,285 shares of Common Stock issued and outstanding as of May 3, 2024, as provided by the Issuer.


CUSIP No. 89853L302				Page 5 of 11


1.		Names of Reporting Persons CRG Partners III Parallel FundA L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☒ (1) (b) ☐
3.		SEC Use Only
4.		Source of Funds (See Instructions) OO (2)
5.		Check Box if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Delaware


Number of Shares Beneficially Owned by Each Reporting Person With	7.	Sole Voting Power 0
	8.	Shared Voting Power 828,324
	9.	Sole Dispositive Power 0
	10.	Shared Dispositive Power 828,324

(1)	Nathan D. Hukill, CR Group L.P., CRG Partners III L.P., CRG Partners III Parallel Fund A L.P., CRG Partners III (Cayman) Unlev AIV I L.P., CRG Partners III (Cayman) Lev AIV I L.P., and CRG Partners III Parallel Fund B (Cayman) L.P. are members of a group for the purposes of this Schedule 13D.

(2)	The shares of the Common Stock of the Issuer were acquired in exchange for and satisfaction of such partial debt cancellation of certain loans outstanding held by the group.

(3)	This percentage is calculated based on 13,541,285 shares of Common Stock issued and outstanding as of May 3, 2024, as provided by the Issuer.


CUSIP No. 89853L302				Page 6 of 11


1.		Names of Reporting Persons CRG Partners III (Cayman) Unlev AIV I L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☒ (1) (b) ☐
3.		SEC Use Only
4.		Source of Funds (See Instructions) OO (2)
5.		Check Box if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization Cayman Islands


Number of Shares Beneficially Owned by Each Reporting Person With	7.	Sole Voting Power 0
	8.	Shared Voting Power 266,038
	9.	Sole Dispositive Power 0
	10.	Shared Dispositive Power 266,038

(1)	Nathan D. Hukill, CR Group L.P., CRG Partners III L.P., CRG Partners III Parallel Fund A L.P., CRG Partners III (Cayman) Unlev AIV I L.P., CRG Partners III (Cayman) Lev AIV I L.P., and CRG Partners III Parallel Fund B (Cayman) L.P. are members of a group for the purposes of this Schedule 13D.

(2)	The shares of the Common Stock of the Issuer were acquired in exchange for and satisfaction of such partial debt cancellation of certain loans outstanding held by the group.

(3)	This percentage is calculated based on 13,541,285 shares of Common Stock issued and outstanding as of May 3, 2024, as provided by the Issuer.


CUSIP No. 89853L302				Page 7 of 11


1.		Names of Reporting Persons CRG Partners III (Cayman) Lev AIV I L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☒ (1) (b) ☐
3.		SEC Use Only
4.		Source of Funds (See Instructions) OO (2)
5.		Check Box if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization United States


Number of Shares Beneficially Owned by Each Reporting Person With	7.	Sole Voting Power 0
	8.	Shared Voting Power 3,548,707
	9.	Sole Dispositive Power 0
	10.	Shared Dispositive Power 3,548,707

(1)	Nathan D. Hukill, CR Group L.P., CRG Partners III L.P., CRG Partners III Parallel Fund A L.P., CRG Partners III (Cayman) Unlev AIV I L.P., CRG Partners III (Cayman) Lev AIV I L.P., and CRG Partners III Parallel Fund B (Cayman) L.P. are members of a group for the purposes of this Schedule 13D.

(2)	The shares of the Common Stock of the Issuer were acquired in exchange for and satisfaction of such partial debt cancellation of certain loans outstanding held by the group.

(3)	This percentage is calculated based on 13,541,285 shares of Common Stock issued and outstanding as of May 3, 2024, as provided by the Issuer.


CUSIP No. 89853L302				Page 8 of 11


1.		Names of Reporting Persons CRG Partners III Parallel Fund B (Cayman) L.P.
2.		Check the Appropriate Box if a Member of a Group (See Instructions) (a) ☒ (1) (b) ☐
3.		SEC Use Only
4.		Source of Funds (See Instructions) OO (2)
5.		Check Box if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ☐
6.		Citizenship or Place of Organization United States


Number of Shares Beneficially Owned by Each Reporting Person With	7.	Sole Voting Power 0
	8.	Shared Voting Power 2,879,929
	9.	Sole Dispositive Power 0
	10.	Shared Dispositive Power 2,879,929

(1)	Nathan D. Hukill, CR Group L.P., CRG Partners III L.P., CRG Partners III Parallel Fund A L.P., CRG Partners III (Cayman) Unlev AIV I L.P., CRG Partners III (Cayman) Lev AIV I L.P., and CRG Partners III Parallel Fund B (Cayman) L.P. are members of a group for the purposes of this Schedule 13D.

(2)	The shares of the Common Stock of the Issuer were acquired in exchange for and satisfaction of such partial debt cancellation of certain loans outstanding held by the group.

(3)	This percentage is calculated based on 13,541,285 shares of Common Stock issued and outstanding as of May 3, 2024, as provided by the Issuer.

Explanatory Note

This Amendment No. 1 (Amendment No. 1) to Schedule 13D supplements and amends the statement on Schedule 13D originally filed with the Securities and Exchange Commission (the SEC) on April 19, 2024 (together, as so amended, the Schedule 13D) jointly by each of the following persons (collectively, the Reporting Persons): Nathan D. Hukill (Mr. Hukill), a citizen of the United States, CR Group L.P., a Delaware limited partnership (CR Group), CRG Partners III Parallel Fund A L.P., a Delaware limited partnership (CRG Parallel Fund A), CRG Partners III (Cayman) Unlev AIV I L.P., a Cayman Islands exempted limited partnership (CRG Unlev AIV), CRG Partners III (Cayman) Lev AIV I L.P., a Cayman Islands exempted limited partnership (CRG Lev AIV), and CRG Partners III Parallel Fund B (Cayman) L.P., a Cayman Islands exempted limited partnership (CRG Parallel Fund B and collectively with CRG Parallel Fund A, CRG Unlev AIV and CRG Lev AIV, the CRG Funds). Except as otherwise specified in this Amendment No. 1, all items in the Schedule 13D remain unchanged. All capitalized terms used herein and not otherwise defined have the meanings ascribed to such terms in the Schedule 13D.

The Reporting Persons are filing this Amendment No. 1 to report certain changes in their beneficial ownership of the common stock, par value $0.001 per share (the Common Stock), of T2 Biosystems, Inc., a Delaware corporation (the Issuer) as result of certain transactions in Common Stock of the Issuer.

Item 3. Source and Amount of Funds or Other Consideration

The response to Item 3 in the Schedule 13D is hereby amended and restated as follows:

The information set forth in Items 5 and 6 of this Schedule 13D is hereby incorporated by reference in its entirety into this Item 3.

All of the shares reported on this Schedule 13D were acquired from the Issuer in exchange for the Reporting Persons cancellation of outstanding loans to the Issuer under that certain Term Loan Agreement, dated as of December 30, 2016, as amended, by and among the Issuer and CRG Servicing LLC, as administrative agent and collateral agent, and the lenders named therein. The most recent acquisitions occurred on April 12, 2024 and May 3, 2024. Refer to the Issuers current reports on Form 8-K filed on July 6, 2023, February 15, 2024, April 18, 2024 and May 6, 2024 for additional information.

Item 5. Interest in Securities of the Issuer

The response to Item 5 in the Schedule 13D is hereby amended and restated as follows:

The information contained in rows 7, 8, 9, 10, 11 and 13 on each of the cover pages of this Schedule 13D and the information set forth or incorporated in Items 2 and 3 of this Schedule 13D is incorporated by reference in its entirety into this Item 5.

By virtue of the relationships among the Reporting Persons described herein, the Reporting Persons may be deemed to constitute a group within the meaning of Section 13(d)(5) of the rules and regulations promulgated by the Securities and Exchange Commission pursuant to the Exchange Act. As such, pursuant to Rule 13d-3 under the Exchange Act, such group may be deemed to beneficially own an aggregate of 8,853,173 shares of Common Stock, representing in the aggregate approximately 65.4% of the issued and outstanding shares of Common Stock, as calculated pursuant to Rule 13d-3 under the Exchange Act.

Except as set forth in this Schedule 13D, none of the Reporting Persons has effected any transactions in Common Stock during the last 60 days.

No other person is known to have the right to receive or the power to direct the receipt of dividends from, or any proceeds from the sale of, the shares of Common Stock beneficially owned by any of the Reporting Persons.


CUSIP No. 89853L302				Page 10 of 11

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer

Item 6 of the Schedule 13D is hereby amended and restated in its entirety to read:

The information set forth in Items 3 and 4 of this Schedule 13D is incorporated by reference in its entirety to this Item 6.

Item 7. Material to be Filed as Exhibits

Joint Filing Agreement*

*	Previously filed.


CUSIP No. 89853L302				Page 11 of 11

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Dated: May 7, 2024


Nathan D. Hukill

/s/ Nathan D. Hukill
An individual

CR Group L.P. CRG Partners III L.P. CRG Partners III Parallel FundA L.P. CRG Partners III (Cayman) Unlev AIV I L.P. CRG Partners III (Cayman) Lev AIV I L.P. CRG Partners III Parallel Fund B (Cayman) L.P.

By:		/s/ Nathan D. Hukill
		Nathan D. Hukill, authorized signatory