| SECURITIES AND EXCHANGE
COMMISSION Washington, D.C. 20549 |
SCHEDULE 13G |
UNDER THE SECURITIES EXCHANGE ACT OF 1934
|
(Amendment
No. 1
)*
|
Dianthus Therapeutics, Inc. (Name of Issuer) |
Common Stock, $0.001 par value per share (Title of Class of Securities) |
252828108 (CUSIP Number) |
12/31/2024 (Date of Event Which Requires Filing of this Statement) |
| Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |
 Rule
13d-1(b) |
 Rule
13d-1(c) |
| Rule
13d-1(d) |
SCHEDULE 13G |
| CUSIP No. | 252828108 |
| 1 | Names of Reporting Persons BCLS Fund III Investments, LP | ||||||||
| 2 | Check the appropriate box if a member of a Group (see
instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization DELAWARE | ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting
Person 2,689,707.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes
certain shares (See Instructions) | ||||||||
| 11 | Percent of class represented by amount in row (9) 8.8 % | ||||||||
| 12 | Type of Reporting Person (See Instructions) PN |
SCHEDULE 13G |
| Item 1. | ||
| (a) | Name of issuer: Dianthus Therapeutics, Inc. | |
| (b) | Address of issuer's principal executive
offices: 7 Times Square, 43rd Floor, New York, New York 10036 | |
| Item 2. | ||
| (a) | Name of person filing: This Schedule 13G is being filed by BCLS Fund III Investments, LP, a Delaware limited partnership (the "Reporting Person").
Bain Capital Life Sciences Investors, LLC, a Delaware limited liability company ("BCLSI"), is the manager of Bain Capital Life Sciences III General Partner, LLC, a Delaware limited liability company ("BCLS Fund III GP"), which is the general partner of Bain Capital Life Sciences Fund III, L.P., a Delaware limited partnership ("BCLS Fund III"), which is the managing member of BCLS Fund III Investments GP, LLC, a Delaware limited liability company (together with the Reporting Person, BCLSI, BCLS Fund III GP and BCLS Fund III, the "Bain Capital Life Sciences Entities"), which is the general partner of the Reporting Person. As a result, BCLSI may be deemed to share voting and dispositive power with respect to the securities held by the Reporting Person. | |
| (b) | Address or principal business office or, if
none, residence: The principal business address for each of the Bain Capital Life Sciences Entities is 200 Clarendon Street, Boston, Massachusetts 02116. | |
| (c) | Citizenship: Each of the Bain Capital Life Sciences Entities is organized under the laws of the State of Delaware. | |
| (d) | Title of class of securities: Common Stock, $0.001 par value per share | |
| (e) | CUSIP No.: 252828108 | |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: | |
| (a) | Broker
or dealer registered under section 15 of the Act (15 U.S.C. 78o); | |
| (b) | Bank
as defined in section 3(a)(6) of the Act (15 U.S.C. 78c); | |
| (c) | Insurance
company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c); | |
| (d) | Investment
company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8); | |
| (e) | An
investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E); | |
| (f) | An
employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F); | |
| (g) | A
parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G); | |
| (h) | A
savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C.
1813); | |
| (i) | A
church plan that is excluded from the definition of an investment company under section 3(c)(14)
of the Investment Company Act of 1940 (15 U.S.C. 80a-3); | |
| (j) | A
non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S.
institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution: | |
| (k) | Group,
in accordance with Rule 240.13d-1(b)(1)(ii)(K). | |
| Item 4. | Ownership | |
| (a) | Amount beneficially owned: As of December 31, 2024, the Reporting Person held 1,689,374 shares of Common Stock and a pre-funded warrant to purchase up to 1,000,333 shares of Common Stock, together representing approximately 8.8% of the outstanding Common Stock.
The Reporting Person is prohibited from exercising the pre-funded warrant if, as a result of such exercise, the Reporting Person would beneficially own more than 9.99% of the total number of shares of Common Stock then issued and outstanding immediately after giving effect to such exercise.
The calcualtion of beneficial ownership is based on (i) 29,596,965 shares of Common Stock outstanding as of November 5, 2024, as reported by the Issuer in its Quarterly Report on Form 10-Q for the quarter ended September 30, 2024 and (ii) 1,000,333 shares of Common Stock that may be issued upon the exercise of the pre-funded warrant held by the Reporting Person. | |
| (b) | Percent of class: See Item 4(a) hereof. % | |
| (c) | Number of shares as to which the person has: | |
| (i) Sole power to vote or to direct the vote: 0 | ||
| (ii) Shared power to vote or to direct the
vote: See Item 4(a) hereof. | ||
| (iii) Sole power to dispose or to direct the
disposition of: 0 | ||
| (iv) Shared power to dispose or to direct the
disposition of: See Item 4(a) hereof. | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
Not Applicable
| ||
| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
Not Applicable
| ||
| Item 8. | Identification and Classification of Members of the Group. | |
Not Applicable
| ||
| Item 9. | Notice of Dissolution of Group. | |
Not Applicable
| ||
| Item 10. | Certifications: |
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-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. |
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