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Form 4 Eloxx Pharmaceuticals, For: May 27 Filed by: Coastlands Capital LP

May 29, 2026 9:56 PM
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
Coastlands Capital LP

(Last) (First) (Middle)
601 CALIFORNIA STREET
SUITE 1210

(Street)
SAN FRANCISCO CA 94108

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Eloxx Pharmaceuticals, Inc. [ ELOX ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
05/27/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
X Form filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 05/27/2026 J (1) 1,250,000 D $ 0 0 I By Coastlands Capital LP (2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Pre-funded Warrant $ 0.01 05/27/2026 J (1) 1,250,000 (3) (3) Common Stock 1,250,000 $ 0 30,612,243 I By Coastlands Capital LP (2)
Explanation of Responses:
1. Pursuant to the terms of that certain Amended and Restated Pre-Funded Warrant to Purchase Common Stock, dated as of April 27, 2026, Coastlands Capital Partners LP (the "Partnership"), exchanged 1,250,000 shares of common stock of the Issuer for pre-funded warrants to purchase an equivalent number of shares of common stock of the Issuer.
2. Coastlands Capital LP ("Coastlands") and Coastlands Capital GP LLC (the "General Partner") are the investment adviser and general partner, respectively, of the Partnership. Coastlands Capital LLC ("Coastlands GP") is the general partner of Coastlands. Matthew Perry is the control person of Coastlands, the Partnership, Coastlands GP and the General Partner. The reporting persons are filing this Form 4 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.
3. The pre-funded warrants to purchase shares of the Issuer's common stock (the "Pre-Funded Warrants") have no expiration date and are exercisable at any time after the date of issuance. A holder of Pre-Funded Warrants may not exercise the Pre-Funded Warrant if the holder, together with its affiliates, would beneficially own more than 4.99% of the number of shares of common stock outstanding immediately after giving effect to such exercise.
/s/ Mark Shamia, Chief Operating Officer of the General Partner of Coastlands Capital LP 05/29/2026
** Signature of Reporting Person Date
/s/ Mark Shamia, Chief Operating Officer of the General Partner of Coastlands Capital Partners LP 05/29/2026
** Signature of Reporting Person Date
/s/ Mark Shamia, Chief Operating Officer of Coastlands Capital GP LLC 05/29/2026
** Signature of Reporting Person Date
/s/ Mark Shamia, Chief Operating Officer of Coastlands Capital LLC 05/29/2026
** Signature of Reporting Person Date
/s/ Matthew D. Perry 05/29/2026
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

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