Eloxx: Coastlands reports 4.99% holding

Eloxx Pharmaceuticals — Amendment No. 1 to a Schedule 13G/A: Coastlands-related reporting persons state they beneficially own 266,539 shares of Common Stock, representing 4.99% based on 5,074,935 shares outstanding as of May 27, 2026.

Rhea-AI Filing Summary

Eloxx Pharmaceuticals — Amendment No. 1 to a Schedule 13G/A: Coastlands-related reporting persons state they beneficially own 266,539 shares of Common Stock, representing 4.99% based on 5,074,935 shares outstanding as of May 27, 2026. The filing describes these shares as issuable upon exercise of pre-funded warrants and notes this Amendment constitutes an exit filing because the reporting persons no longer beneficially own more than 5% of any class of the issuer's securities.

Insights

Corporate Governance Analyst

Coastlands discloses sub-5% position and exit status.

The filing lists 266,539 shares issuable upon exercise of pre-funded warrants and calculates a 4.99% beneficial ownership limitation using May 27, 2026 outstanding shares of 5,074,935. The report is an amendment identifying the reporting persons as now below the 5% threshold.

Governance implications are procedural: the filing clarifies ownership and limitation language. Subsequent public filings would show any change; timing and cash-flow treatment are not stated in the provided excerpt.

SEC Filings Specialist

Schedule 13G/A amendment used as an exit filing after ownership falls below 5%.

The Schedule 13G/A amendment references pre-funded warrants exercisable into 266,539 shares, and explicitly applies a 4.99% beneficial ownership limitation. The filing disclaims group membership and clarifies reporting relationships among Coastlands entities and Mr. Perry.

This is a routine disclosure under Rule 13d-1; it documents beneficial ownership calculations and signatures dated May 29, 2026. Materiality to investors is limited to updated ownership transparency.

Key Figures

Reported shares beneficially owned: 266,539 shares Percent of class: 4.99% Shares outstanding used in calculation: 5,074,935 shares +1 more

4 metrics

Reported shares beneficially owned 266,539 shares issuable upon exercise of pre-funded warrants

Percent of class 4.99% beneficial ownership limitation applied

Shares outstanding used in calculation 5,074,935 shares as of <date>May 27, 2026</date>

Filing signatory date 05/29/2026 signatures on the amendment

Key Terms

pre-funded warrants, beneficial ownership limitation, Schedule 13G/A

3 terms

pre-funded warrants financial

"Consists of 266,539 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 limitation regulatory

"which reflects the 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.

Schedule 13G/A regulatory

"Amendment No. 1 to a Schedule 13G/A"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

FAQ

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

What does the Eloxx (ELOX) Schedule 13G/A amendment say about Coastlands' holdings?

It states Coastlands-related reporting persons beneficially own 266,539 shares, representing 4.99% based on 5,074,935 shares outstanding as of May 27, 2026. The filing is an exit amendment indicating they no longer exceed 5%.

Are the 266,539 shares of Eloxx common stock issued or exercisable?

The filing describes the 266,539 shares as issuable upon the exercise of pre-funded warrants held directly by the Partnership. The document treats those shares as beneficially owned for calculation purposes.

Does the Schedule 13G/A for Eloxx (ELOX) signal a change in control?

No; the signing certification states the securities were not acquired to change or influence control. The filing disclaims group membership and denies acquisition for control purposes.

What outstanding share count did Eloxx provide for the ownership calculation?

The ownership calculation uses an issuer-provided figure of 5,074,935 shares outstanding as of May 27, 2026 as stated in the amendment.

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

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Accepted by SEC EDGAR 05/29/2026 - 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

(Amendment No. 1)

Eloxx Pharmaceuticals, Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

29014R103

(CUSIP Number)

05/27/2026

(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 266,539.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 266,539.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

266,539.00

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)

4.99 %

12

Type of Reporting Person (See Instructions)

IA, PN

Comment for Type of Reporting Person: Consists of 266,539 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) 5,074,935 shares outstanding as of May 27, 2026 as provided by the Issuer to the Reporting Persons and (B) 266,539 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 4.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation. This Amendment No. 1 constitutes an exit filing for the Reporting Persons, as the Reporting Persons no longer beneficially own more than 5 percent of any class of securities of the Issuer.

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 266,539.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 266,539.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

266,539.00

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)

4.99 %

12

Type of Reporting Person (See Instructions)

PN

Comment for Type of Reporting Person: Consists of 266,539 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) 5,074,935 shares outstanding as of May 27, 2026 as provided by the Issuer to the Reporting Persons and (B) 266,539 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 4.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation. This Amendment No. 1 constitutes an exit filing for the Reporting Persons, as the Reporting Persons no longer beneficially own more than 5 percent of any class of securities of the Issuer.

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 266,539.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 266,539.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

266,539.00

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)

4.99 %

12

Type of Reporting Person (See Instructions)

OO

Comment for Type of Reporting Person: Consists of 266,539 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) 5,074,935 shares outstanding as of May 27, 2026 as provided by the Issuer to the Reporting Persons and (B) 266,539 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 4.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation. This Amendment No. 1 constitutes an exit filing for the Reporting Persons, as the Reporting Persons no longer beneficially own more than 5 percent of any class of securities of the Issuer.

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 266,539.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 266,539.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

266,539.00

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)

4.99 %

12

Type of Reporting Person (See Instructions)

HC, OO

Comment for Type of Reporting Person: Consists of 266,539 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) 5,074,935 shares outstanding as of May 27, 2026 as provided by the Issuer to the Reporting Persons and (B) 266,539 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 4.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation. This Amendment No. 1 constitutes an exit filing for the Reporting Persons, as the Reporting Persons no longer beneficially own more than 5 percent of any class of securities of the Issuer.

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 266,539.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 266,539.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

266,539.00

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)

4.99 %

12

Type of Reporting Person (See Instructions)

HC, IN

Comment for Type of Reporting Person: Consists of 266,539 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) 5,074,935 shares outstanding as of May 27, 2026 as provided by the Issuer to the Reporting Persons and (B) 266,539 shares of Common Stock issuable upon the exercise of pre-funded warrants held by the Reporting Persons, which reflects the beneficial ownership limitation of 4.99%. Excludes pre-funded warrants held by the Reporting Persons in excess of such beneficial ownership limitation. This Amendment No. 1 constitutes an exit filing for the Reporting Persons, as the Reporting Persons no longer beneficially own more than 5 percent of any class of securities of the Issuer.

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 No.: 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: 266,539 Partnership: 266,539 General Partner: 266,539 Coastlands GP: 266,539 Matthew D. Perry: 266,539
(b)	Percent of class: Coastlands: 4.99% Partnership: 4.99% General Partner: 4.99% Coastlands GP: 4.99% Matthew D. Perry: 4.99%
(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: 266,539 Partnership: 266,539 General Partner: 266,539 Coastlands GP: 266,539 Matthew D. Perry: 266,539
	(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: 266,539 Partnership: 266,539 General Partner: 266,539 Coastlands GP: 266,539 Matthew D. Perry: 266,539
Item 5.	Ownership of 5 Percent or Less of a Class.
	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 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:	05/29/2026

Coastlands Capital Partners LP

Signature:	/s/ Mark Shamia
Name/Title:	Chief Operating Officer of the General Partner, Coastlands Capital GP LLC
Date:	05/29/2026

Coastlands Capital GP LLC

Signature:	/s/ Mark Shamia
Name/Title:	Chief Operating Officer
Date:	05/29/2026

Coastlands Capital LLC

Signature:	/s/ Mark Shamia
Name/Title:	Chief Operating Officer
Date:	05/29/2026

Matthew D. Perry

Signature:	/s/ Matthew D. Perry
Name/Title:	Reporting Person
Date:	05/29/2026