Eloxx Pharmaceuticals disclosed that Coastlands-related reporting persons collectively beneficially own 410,530 shares of Common Stock, representing 9.99% of the class. The filing states the calculation uses 4,036,314 shares outstanding as of June 10, 2026 from the issuer's final prospectus.
The reported position comprises 337,431 shares owned and 73,099 shares issuable upon exercise of pre-funded warrants, with the 9.99% beneficial ownership limitation applied and excess pre-funded warrants excluded.
Positive
None.
Negative
None.
Insights
Coastlands reports a near-10% beneficial stake in Eloxx (410,530 shares).
The filing lists 410,530 shares and a 9.99% beneficial ownership figure calculated using June 10, 2026 outstanding shares of 4,036,314. The position includes 73,099 pre-funded-warrant shares counted to the 9.99% cap.
Cash-flow treatment and sale intentions are not stated; subsequent filings would show any transfers or dispositions.
Schedule 13G joint filing reports shared voting and dispositive power, with customary disclaimers.
The filing discloses that the reporting persons share voting and dispositive power over 410,530 shares and that each disclaims group membership and broader beneficial ownership beyond pecuniary interest. It attaches an agreement regarding joint filing.
Beneficial ownership is limited to 9.99% per the pre-funded-warrant limitation stated in the prospectus.
Key Figures
Beneficial ownership:410,530 sharesBeneficial ownership percent:9.99%Shares outstanding (as of):4,036,314 shares+2 more
5 metrics
Beneficial ownership410,530 sharesTotal reported beneficial ownership by Coastlands reporting persons
Beneficial ownership percent9.99%Percent of class based on 4,036,314 shares outstanding as of June 10, 2026
Shares outstanding (as of)4,036,314 sharesShares outstanding used for calculation as of <date>June 10, 2026</date>
Owned shares337,431 sharesShares of Common Stock directly held by the reporting persons
Pre-funded warrants issuable73,099 sharesShares issuable upon exercise of pre-funded warrants counted toward 9.99% cap
"73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants"
Pre-funded warrants are financial instruments that give investors the right to purchase a company's stock at a set price, but with most or all of the purchase price paid upfront. They function like a coupon or gift card for stock, allowing investors to buy shares later at a fixed price, which can be beneficial if they want to avoid future price increases. This makes them important for investors seeking flexibility and certainty in their investment plans.
beneficial ownership limitationregulatory
"which reflects the beneficial ownership limitation of 9.99%"
A beneficial ownership limitation is a rule that caps the percentage of a company’s shares an investor can be treated as owning or controlling for voting, regulatory or tax purposes. It matters to investors because it can restrict how many shares a person or group can buy or vote, affect takeover chances, and influence share liquidity and value — like a speed limit that prevents any single driver from taking over the whole road.
Schedule 13Gregulatory
"The reporting persons are filing this jointly"
A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.
How many Eloxx (ELOX) shares does Coastlands report owning?
Coastlands reports beneficial ownership of 410,530 shares, comprised of 337,431 shares plus 73,099 shares issuable upon exercise of pre-funded warrants, per the filing.
What percentage of Eloxx stock does the 410,530-share position represent?
The filing states the position represents 9.99% of the class, calculated using 4,036,314 shares outstanding as of June 10, 2026 referenced in the issuer's prospectus.
Are the pre-funded warrants included in the 9.99% calculation?
Yes. The filing counts 73,099 shares issuable upon exercise of pre-funded warrants toward the 9.99% beneficial ownership limitation, and excludes warrants in excess of that limit.
Who are the reporting persons named in the Schedule 13G?
The Schedule 13G lists Coastlands Capital LP, Coastlands Capital Partners LP, Coastlands Capital GP LLC, Coastlands Capital LLC, and Matthew D. Perry as reporting persons filing jointly.
Does the filing state whether Coastlands plans to buy or sell Eloxx shares?
The filing includes a certification that the securities were not acquired to change control, but it does not state any planned purchases or sales or disclose cash-flow treatment for the holdings.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Eloxx Pharmaceuticals, Inc.
(Name of Issuer)
Common Stock, par value $0.01 per share
(Title of Class of Securities)
29014R103
(CUSIP Number)
06/10/2026
(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)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
29014R103
1
Names of Reporting Persons
Coastlands Capital 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:
5
Sole Voting Power
0.00
6
Shared Voting Power
410,530.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
410,530.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
410,530.00
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)
9.99 %
12
Type of Reporting Person (See Instructions)
IA, PN
Comment for Type of Reporting Person: Consists of 337,431 shares of Common Stock and 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held directly by Coastlands Capital Partners LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 4,036,314 shares outstanding as of June 10, 2026 as disclosed in the final prospectus on Form 424B4 filed by the Issuer on June 9, 2026 and (B) 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 9.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation.
SCHEDULE 13G
CUSIP Number(s):
29014R103
1
Names of Reporting Persons
Coastlands Capital Partners 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:
5
Sole Voting Power
0.00
6
Shared Voting Power
410,530.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
410,530.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
410,530.00
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)
9.99 %
12
Type of Reporting Person (See Instructions)
PN
Comment for Type of Reporting Person: Consists of 337,431 shares of Common Stock and 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held directly by Coastlands Capital Partners LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 4,036,314 shares outstanding as of June 10, 2026 as disclosed in the final prospectus on Form 424B4 filed by the Issuer on June 9, 2026 and (B) 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 9.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation.
SCHEDULE 13G
CUSIP Number(s):
29014R103
1
Names of Reporting Persons
Coastlands Capital GP LLC
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:
5
Sole Voting Power
0.00
6
Shared Voting Power
410,530.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
410,530.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
410,530.00
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)
9.99 %
12
Type of Reporting Person (See Instructions)
OO
Comment for Type of Reporting Person: Consists of 337,431 shares of Common Stock and 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held directly by Coastlands Capital Partners LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 4,036,314 shares outstanding as of June 10, 2026 as disclosed in the final prospectus on Form 424B4 filed by the Issuer on June 9, 2026 and (B) 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 9.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation.
SCHEDULE 13G
CUSIP Number(s):
29014R103
1
Names of Reporting Persons
Coastlands Capital LLC
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:
5
Sole Voting Power
0.00
6
Shared Voting Power
410,530.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
410,530.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
410,530.00
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)
9.99 %
12
Type of Reporting Person (See Instructions)
HC, OO
Comment for Type of Reporting Person: Consists of 337,431 shares of Common Stock and 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held directly by Coastlands Capital Partners LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 4,036,314 shares outstanding as of June 10, 2026 as disclosed in the final prospectus on Form 424B4 filed by the Issuer on June 9, 2026 and (B) 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 9.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation.
SCHEDULE 13G
CUSIP Number(s):
29014R103
1
Names of Reporting Persons
Matthew D. Perry
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
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
0.00
6
Shared Voting Power
410,530.00
7
Sole Dispositive Power
0.00
8
Shared Dispositive Power
410,530.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
410,530.00
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)
9.99 %
12
Type of Reporting Person (See Instructions)
HC, IN
Comment for Type of Reporting Person: Consists of 337,431 shares of Common Stock and 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held directly by Coastlands Capital Partners LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 4,036,314 shares outstanding as of June 10, 2026 as disclosed in the final prospectus on Form 424B4 filed by the Issuer on June 9, 2026 and (B) 73,099 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 9.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation.
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Eloxx Pharmaceuticals, Inc.
(b)
Address of issuer's principal executive offices:
P.O. Box 274, 10 Court Street, Arlington, MA 02476
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 $0.01 per share
(e)
CUSIP Number(s):
29014R103
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:
Coastlands: 410,530
Partnership: 410,530
General Partner: 410,530
Coastlands GP: 410,530
Matthew D. Perry: 410,530
(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: 410,530
Partnership: 410,530
General Partner: 410,530
Coastlands GP: 410,530
Matthew D. Perry: 410,530
(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: 410,530
Partnership: 410,530
General Partner: 410,530
Coastlands GP: 410,530
Matthew D. Perry: 410,530
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
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, including 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
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 acquired and are held in the ordinary course of business and 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.
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.
Coastlands Capital LP
Signature:
/s/ Mark Shamia
Name/Title:
Chief Operating Officer of the General Partner, Coastlands Capital LLC
Date:
06/17/2026
Coastlands Capital Partners LP
Signature:
/s/ Mark Shamia
Name/Title:
Chief Operating Officer of the General Partner, Coastlands Capital GP LLC
Date:
06/17/2026
Coastlands Capital GP LLC
Signature:
/s/ Mark Shamia
Name/Title:
Chief Operating Officer
Date:
06/17/2026
Coastlands Capital LLC
Signature:
/s/ Mark Shamia
Name/Title:
Chief Operating Officer
Date:
06/17/2026
Matthew D. Perry
Signature:
/s/ Matthew D. Perry
Name/Title:
Reporting Person
Date:
06/17/2026
Exhibit Information
Exhibit 99.1 - Agreement Regarding Joint Filing of Statement on Schedule 13D or 13G
