X0202 SCHEDULE 13G/A 0002068530 XXXXXXXX LIVE 1 Common Stock, par value $0.01 per share 05/27/2026 0001035354 Eloxx Pharmaceuticals, Inc. 29014R103 P.O. Box 274, 10 Court Street Arlington MA 02476 Rule 13d-1(b) Rule 13d-1(c) Coastlands Capital LP b DE 0.00 266539.00 0.00 266539.00 266539.00 N 4.99 IA PN 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. Coastlands Capital Partners LP b DE 0.00 266539.00 0.00 266539.00 266539.00 N 4.99 PN 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. Coastlands Capital GP LLC b DE 0.00 266539.00 0.00 266539.00 266539.00 N 4.99 OO 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. Coastlands Capital LLC b DE 0.00 266539.00 0.00 266539.00 266539.00 N 4.99 HC OO 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. Matthew D. Perry b X1 0.00 266539.00 0.00 266539.00 266539.00 N 4.99 HC IN 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. Eloxx Pharmaceuticals, Inc. P.O. Box 274, 10 Court Street, Arlington, MA 02476 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. 601 California Street, Suite 1210, San Francisco, CA 94108 See Item 4 of the cover sheet for each reporting person. N IA HC Coastlands: 266,539 Partnership: 266,539 General Partner: 266,539 Coastlands GP: 266,539 Matthew D. Perry: 266,539 Coastlands: 4.99% Partnership: 4.99% General Partner: 4.99% Coastlands GP: 4.99% Matthew D. Perry: 4.99% Coastlands: 0 Partnership: 0 General Partner: 0 Coastlands GP: 0 Matthew D. Perry: 0 Coastlands: 266,539 Partnership: 266,539 General Partner: 266,539 Coastlands GP: 266,539 Matthew D. Perry: 266,539 Coastlands: 0 Partnership: 0 General Partner: 0 Coastlands GP: 0 Matthew D. Perry: 0 Coastlands: 266,539 Partnership: 266,539 General Partner: 266,539 Coastlands GP: 266,539 Matthew D. Perry: 266,539 N Y Y Y Y Y N 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. Coastlands Capital LP /s/ Mark Shamia 05/29/2026 Coastlands Capital Partners LP /s/ Mark Shamia 05/29/2026 Coastlands Capital GP LLC /s/ Mark Shamia 05/29/2026 Coastlands Capital LLC /s/ Mark Shamia 05/29/2026 Matthew D. Perry /s/ Matthew D. Perry 05/29/2026