Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Checkbox checked   Rule 13d-1(b)
Checkbox not checked   Rule 13d-1(c)
Checkbox not checked   Rule 13d-1(d)






SCHEDULE 13G




Comment for Type of Reporting Person:  Includes (i) 50,226 American Depositary Shares ("Depositary Shares"), each representing thirty-five (35) Ordinary Shares, no par value per share ("Ordinary Shares") held by ADAR1 Partners, LP, (ii) 7,655 Depositary Shares held by Spearhead Insurance Solutions IDF, LLC, and (iii) 349 Depositary Shares held by other separately managed accounts as of December 31, 2025. Excludes 242,424 Depositary Shares underlying Warrants to Purchase Ordinary Shares Represented by American Depositary Shares or Exchange Warrants held by ADAR1 Partners, LP and Spearhead Insurance Solutions IDF, LLC, the exchange and exercise of which are subject to 4.99% beneficial ownership limitations determined in relation to the number of Ordinary Shares underlying the Depositary Shares. As the investment manager of ADAR1 Partners, LP and as the sub-advisor of Spearhead Insurance Solutions IDF, LLC and the separately managed accounts referenced above, ADAR1 Capital Management, LLC may be deemed to indirectly beneficially own securities held by ADAR1 Partners, LP, Spearhead Insurance Solutions IDF, LLC and the separately managed accounts. Based on 838,976 Depositary Shares of Quoin Pharmaceuticals, Ltd. (the "Issuer") outstanding as of November 3, 2025, reported in the Issuer's prospectus filed with the Securities and Exchange Commission on December 5, 2025.


SCHEDULE 13G




Comment for Type of Reporting Person:  Includes 50,226 American Depositary Shares ("Depositary Shares"), each representing thirty-five (35) Ordinary Shares, no par value per share ("Ordinary Shares") held by ADAR1 Partners, LP as of December 31, 2025. Excludes 209,696 Depositary Shares underlying Warrants to Purchase Ordinary Shares Represented by American Depositary Shares or Exchange Warrants held by ADAR1 Partners, LP, the exchange and exercise of which are subject to 4.99% beneficial ownership limitations determined in relation to the number of Ordinary Shares underlying the Depositary Shares. As the general partner of ADAR1 Partners, LP, ADAR1 Capital Management GP, LLC may be deemed to indirectly beneficially own securities held by ADAR1 Partners, LP. Based on 838,976 Depositary Shares of Quoin Pharmaceuticals, Ltd. (the "Issuer") outstanding as of November 3, 2025, reported in the Issuer's prospectus filed with the Securities and Exchange Commission on December 5, 2025.


SCHEDULE 13G




Comment for Type of Reporting Person:  Includes (i) 50,226 American Depositary Shares ("Depositary Shares"), each representing thirty-five (35) Ordinary Shares, no par value per share ("Ordinary Shares") held by ADAR1 Partners, LP, (ii) 7,655 Depositary Shares held by Spearhead Insurance Solutions IDF, LLC, and (iii) 349 Depositary Shares held by other separately managed accounts as of December 31, 2025. Excludes 242,424 Depositary Shares underlying Warrants to Purchase Ordinary Shares Represented by American Depositary Shares or Exchange Warrants held by ADAR1 Partners, LP and Spearhead Insurance Solutions IDF, LLC, the exchange and exercise of which are subject to 4.99% beneficial ownership limitations determined in relation to the number of Ordinary Shares underlying the Depositary Shares. As the manager of ADAR1 Capital Management, LLC and ADAR1 Capital Management GP, LLC, Mr. Schneeberger may be deemed to indirectly beneficially own securities held by ADAR1 Partners, LP, Spearhead Insurance Solutions IDF, LLC and the separately managed accounts. Based on 838,976 Depositary Shares of Quoin Pharmaceuticals, Ltd. (the "Issuer") outstanding as of November 3, 2025, reported in the Issuer's prospectus filed with the Securities and Exchange Commission on December 5, 2025.


SCHEDULE 13G



 
ADAR1 Capital Management, LLC
 
Signature:/s/ Daniel Schneeberger
Name/Title:Daniel Schneeberger, Manager
Date:02/17/2026
 
ADAR1 Capital Management GP, LLC
 
Signature:/s/ Daniel Schneeberger
Name/Title:Daniel Schneeberger, Manager
Date:02/17/2026
 
Daniel Schneeberger
 
Signature:/s/ Daniel Schneeberger
Name/Title:Daniel Schneeberger, in his individual capacity
Date:02/17/2026
Exhibit Information

Exhibit A: Joint Filing Agreement

 

EXHIBIT A

 

JOINT FILING AGREEMENT

 

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to American Depository Shares, each representing thirty-five (35) Ordinary Shares, no par value per share, of Quoin Pharmaceuticals, Ltd., and further agree that this Joint Filing Agreement be included as an Exhibit to such joint filings.

 

In evidence thereof, the undersigned, being duly authorized, have executed this Joint Filing Agreement as of February 17, 2026.

 

  ADAR1 CAPITAL MANAGEMENT, LLC
   
  /s/ Daniel Schneeberger
  Daniel Schneeberger
  Manager
   
  ADAR1 CAPITAL MANAGEMENT GP, LLC
   
  /s/ Daniel Schneeberger
  Daniel Schneeberger
  Manager
   
  /s/ Daniel Schneeberger
  Daniel Schneeberger, in his individual capacity