| Item 1. | |
| (a) | Name of issuer:
X4 Pharmaceuticals, Inc. |
| (b) | Address of issuer's principal executive offices:
61 North Beacon Street, 4th Floor Boston, MA, 02134 |
| Item 2. | |
| (a) | Name of person filing:
Coastlands Capital LP, a Delaware limited partnership ("Coastlands")
Coastlands Capital Partners LP, a Delaware limited partnership (the "Partnership")
Coastlands Capital GP LLC, a Delaware limited liability company (the "General Partner")
Coastlands Capital LLC, a Delaware limited liability company ("Coastlands GP")
Matthew D. Perry
Coastlands and the General Partner are the investment adviser and general partner, respectively, of the Partnership. Coastlands GP is the general partner of Coastlands. Mr. Perry is the control person of Coastlands, the Partnership, Coastlands GP and the General Partner. The reporting persons are filing this Schedule 13G jointly, but not as members of a group, and each disclaims membership in a group. Each reporting person also disclaims beneficial ownership of Common Stock except to the extent of that person's pecuniary interest therein. In addition, the filing of this Schedule 13G on behalf of the Partnership should not be construed as an admission that it is, and it disclaims that it is, a beneficial owner, as defined in Rule 13d-3 under the Act, of any Common Stock covered by this Schedule 13G. |
| (b) | Address or principal business office or, if none, residence:
601 California Street, Suite 1210, San Francisco, CA 94108 |
| (c) | Citizenship:
See Item 4 of the cover sheet for each reporting person. |
| (d) | Title of class of securities:
Common Stock, par value $0.001 per share |
| (e) | CUSIP No.:
98420X202 |
| 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);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) |  An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (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);
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| (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:
Coastlands: 2,491,638
Partnership: 2,491,638
General Partner: 2,491,638
Coastlands GP: 2,491,638
Matthew D. Perry: 2,491,638 |
| (b) | Percent of class:
Coastlands: 9.99%
Partnership: 9.99%
General Partner: 9.99%
Coastlands GP: 9.99%
Matthew D. Perry: 9.99% |
| (c) | Number of shares as to which the person has:
|
| | (i) Sole power to vote or to direct the vote:
Coastlands: 0
Partnership: 0
General Partner: 0
Coastlands GP: 0
Matthew D. Perry: 0
|
| | (ii) Shared power to vote or to direct the vote:
Coastlands: 2,491,638
Partnership: 2,491,638
General Partner: 2,491,638
Coastlands GP: 2,491,638
Matthew D. Perry: 2,491,638
|
| | (iii) Sole power to dispose or to direct the disposition of:
Coastlands: 0
Partnership: 0
General Partner: 0
Coastlands GP: 0
Matthew D. Perry: 0
|
| | (iv) Shared power to dispose or to direct the disposition of:
Coastlands: 2,491,638
Partnership: 2,491,638
General Partner: 2,491,638
Coastlands GP: 2,491,638
Matthew D. Perry: 2,491,638
|
| Item 5. | Ownership of 5 Percent or Less of a Class. |
| | |
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. |
| |
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
The Partnership holds the shares of Common Stock issuable upon exercise of pre-funded warrants, for the benefit of its investors and has the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, shares of Common Stock, including shares of Common Stock issuable upon exercise of pre-funded warrants. |
| 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
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| Item 8. | Identification and Classification of Members of the Group. |
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Not Applicable
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| Item 9. | Notice of Dissolution of Group. |
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Not Applicable
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