Coastlands discloses 1.25M shares (16.51%) in Eloxx

Eloxx Pharmaceuticals disclosed that Coastlands-related reporting persons collectively hold 1,250,000 shares of Common Stock, representing 16.51% of the class.

Rhea-AI Filing Summary

Eloxx Pharmaceuticals disclosed that Coastlands-related reporting persons collectively hold 1,250,000 shares of Common Stock, representing 16.51% of the class. The filing states the ownership calculation uses 5,071,935 shares outstanding as of March 12, 2026 and reflects 2,500,000 shares issued on April 27, 2026 upon exercise of pre-funded warrants. The reporting persons state shared voting and dispositive power over 1,250,000 shares and disclaim control-group status and beneficial ownership beyond their pecuniary interest; a 4.99% beneficial ownership limitation for certain pre-funded warrants is noted.

Insights

Governance Analyst

Coastlands reports a sizable passive stake with shared control flags; governance implications are routine for large investors.

Coastlands and affiliated entities report beneficial ownership of 1,250,000 shares (16.51%) using the issuer's March 12, 2026 outstanding count. The filing states shared voting and dispositive power, which is typical for an LP/GP structure where power is exercised collectively.

Key items to watch in future disclosures include any schedule amendments that change percent ownership, any acquisitions or dispositions, and whether the partnership converts pre-funded warrants beyond stated 4.99% limitations.

Securities Counsel

The filing disclaims group status and control; legal posture focuses on compliance with Rule 13d-3 definitions.

The reporting persons expressly disclaim membership in a group and broader beneficial ownership except for pecuniary interest. The signature block and Exhibit 99.1 (joint filing agreement) are included to document filing mechanics.

Material legal signals would appear if future amendments assert group formation, increase voting power, or alter the beneficial ownership limitation; none of those changes are stated here.

Key Figures

Coastlands shares owned: 1,250,000 shares Percent of class: 16.51% Shares outstanding used: 5,071,935 shares +2 more

5 metrics

Coastlands shares owned 1,250,000 shares Amount beneficially owned reported by Coastlands-related persons

Percent of class 16.51% Percent of class reported for 1,250,000 shares

Shares outstanding used 5,071,935 shares Shares outstanding as of March 12, 2026 used for calculation

Warrants exercised 2,500,000 shares Shares issued on April 27, 2026 upon exercise of pre-funded warrants

Beneficial ownership cap 4.99% Limitation applicable to shares issuable upon certain pre-funded warrants

Key Terms

Schedule 13G, beneficial ownership, pre-funded warrants, shared dispositive power, +1 more

5 terms

Schedule 13G regulatory

"Joint filing of Statement on Schedule 13D or 13G"

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.

beneficial ownership regulatory

"Amount beneficially owned: Coastlands: 1,250,000.00"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pre-funded warrants financial

"2,500,000 shares issued on April 27, 2026 to certain holders 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.

shared dispositive power regulatory

"Shared Dispositive Power 1,250,000.00"

beneficial ownership limitation legal

"Excludes shares ... in excess of a beneficial ownership limitation of 4.99%"

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does Coastlands hold in Eloxx Pharmaceuticals (ELOX)?

Coastlands-related reporting persons hold 1,250,000 shares, reported as 16.51% of the class. The percentage is calculated using 5,071,935 shares outstanding as of March 12, 2026 and reflects recent pre-funded warrant issuances.

How was the 16.51% ownership percentage calculated for ELOX?

The filing bases the calculation on 5,071,935 shares outstanding as of March 12, 2026 plus recognition of 2,500,000 shares issued on April 27, 2026 upon exercise of pre-funded warrants, per the disclosed methodology.

Do Coastlands reporting persons claim control of Eloxx (ELOX)?

No. The reporting persons state they disclaim membership in a group and disclaim beneficial ownership except to the extent of pecuniary interest, and they certify the shares were not acquired to change control.

What voting and disposition powers are reported for the 1,250,000 shares?

The filing reports shared voting power and shared dispositive power over 1,250,000 shares and zero sole voting or dispositive power for each reporting person, reflecting collective LP/GP arrangements.

What is the 4.99% beneficial ownership limitation mentioned in the filing?

The filing states shares issuable on pre-funded warrants are excluded to the extent they would exceed a 4.99% beneficial ownership limitation, indicating a contractual or plan-based cap on beneficial ownership from those instruments.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/01/2026 - 09:55 PM EDT Learn about SEC filing dates

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)

04/27/2026

(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 1,250,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,250,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,250,000.00

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)

16.51 %

12

Type of Reporting Person (See Instructions)

IA, PN

Comment for Type of Reporting Person: Consists of 1,250,000 shares of Common Stock held directly by Coastlands Capital LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 5,071,935 shares outstanding as of March 12, 2026, as disclosed in the Annual Report on Form 10-K for the year ended December 31, 2025 filed by the Issuer on March 17, 2026 and (B) 2,500,000 shares of Common Stock issued on April 27, 2026 to certain holders upon the exercise of pre-funded warrants. Excludes shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons in excess of a beneficial ownership limitation of 4.99%.

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 1,250,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,250,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,250,000.00

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)

16.51 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: Consists of 1,250,000 shares of Common Stock held directly by Coastlands Capital LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 5,071,935 shares outstanding as of March 12, 2026, as disclosed in the Annual Report on Form 10-K for the year ended December 31, 2025 filed by the Issuer on March 17, 2026 and (B) 2,500,000 shares of Common Stock issued on April 27, 2026 to certain holders upon the exercise of pre-funded warrants. Excludes shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons in excess of a beneficial ownership limitation of 4.99%.

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 1,250,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,250,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,250,000.00

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)

16.15 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: Consists of 1,250,000 shares of Common Stock held directly by Coastlands Capital LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 5,071,935 shares outstanding as of March 12, 2026, as disclosed in the Annual Report on Form 10-K for the year ended December 31, 2025 filed by the Issuer on March 17, 2026 and (B) 2,500,000 shares of Common Stock issued on April 27, 2026 to certain holders upon the exercise of pre-funded warrants. Excludes shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons in excess of a beneficial ownership limitation of 4.99%.

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 1,250,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,250,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,250,000.00

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)

16.51 %

12

Type of Reporting Person (See Instructions)

HC, OO

Comment for Type of Reporting Person: Consists of 1,250,000 shares of Common Stock held directly by Coastlands Capital LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 5,071,935 shares outstanding as of March 12, 2026, as disclosed in the Annual Report on Form 10-K for the year ended December 31, 2025 filed by the Issuer on March 17, 2026 and (B) 2,500,000 shares of Common Stock issued on April 27, 2026 to certain holders upon the exercise of pre-funded warrants. Excludes shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons in excess of a beneficial ownership limitation of 4.99%.

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 1,250,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,250,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,250,000.00

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)

16.51 %

12

Type of Reporting Person (See Instructions)

HC, IN

Comment for Type of Reporting Person: Consists of 1,250,000 shares of Common Stock held directly by Coastlands Capital LP. The calculation of the beneficial ownership of the Reporting Persons is based on (A) 5,071,935 shares outstanding as of March 12, 2026, as disclosed in the Annual Report on Form 10-K for the year ended December 31, 2025 filed by the Issuer on March 17, 2026 and (B) 2,500,000 shares of Common Stock issued on April 27, 2026 to certain holders upon the exercise of pre-funded warrants. Excludes shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons in excess of a beneficial ownership limitation of 4.99%.

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: 1,250,000.00 Partnership: 1,250,000.00 General Partner: 1,250,000.00 Coastlands GP: 1,250,000.00 Matthew D. Perry: 1,250,000.00
(b)	Percent of class: Coastlands: 16.51% Partnership: 16.51% General Partner: 16.51% Coastlands GP: 16.51% Matthew D. Perry: 16.51%
(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: 1,250,000.00 Partnership: 1,250,000.00 General Partner: 1,250,000.00 Coastlands GP: 1,250,000.00 Matthew D. Perry: 1,250,000.00
	(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: 1,250,000.00 Partnership: 1,250,000.00 General Partner: 1,250,000.00 Coastlands GP: 1,250,000.00 Matthew D. Perry: 1,250,000.00
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 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.
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:	05/01/2026

Coastlands Capital Partners LP

Signature:	/s/ Mark Shamia
Name/Title:	Chief Operating Officer of the General Partner, Coastlands Capital GP LLC
Date:	05/01/2026

Coastlands Capital GP LLC

Signature:	/s/ Mark Shamia
Name/Title:	Chief Operating Officer
Date:	05/01/2026

Coastlands Capital LLC

Signature:	/s/ Mark Shamia
Name/Title:	Chief Operating Officer
Date:	05/01/2026

Matthew D. Perry

Signature:	/s/ Matthew D. Perry
Name/Title:	Reporting Person
Date:	05/01/2026

Comments accompanying signature: Exhibit 99.1 - Agreement Regarding Joint Filing of Statement on Schedule 13D or 13G

Exhibit Information

Exhibit 99.1 - Agreement Regarding Joint Filing of Statement on Schedule 13D or 13G