SCHEDULE 13G 0001586446 XXXXXXXX LIVE Common Stock, no par value 03/25/2025 0001755237 Cyclerion Therapeutics, Inc. 23255M204 245 First Street 18th Floor Cambridge MA 02142 Rule 13d-1(c) J. Wood Capital Advisors LLC CA 0.00 181818.00 0.00 181818.00 181818.00 N 5.4 OO Limited Liability Company Jason Wood X1 0.00 181818.00 0.00 181818.00 181818.00 N 5.4 IN Cyclerion Therapeutics, Inc. 245 First Street, 18th Floor, Cambridge, MA, 02142 Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is filed on behalf of: J. Wood Capital Advisors LLC Jason Wood The principal business address of each of the Reporting Persons is 1820 Calistoga Road, Santa Rosa, CA 95404. J. Wood Capital Advisors LLC is organized under the laws of the State of California. Jason Wood is a citizen of the United States. Y The ownership information presented below represents beneficial ownership of the shares of Common Stock, based upon 3,337,436 shares of Common Stock outstanding as of August 1, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q filed on August 5, 2025. J. Wood Capital Advisors LLC is the record holder of the shares of Common Stock reported herein. Jason Wood is the managing member of J. Wood Capital Advisors LLC. As a result, Jason Wood may be deemed to share beneficial ownership of the shares of Common Stock directly held by J. Wood Capital Advisors LLC. 5.4% 0 181,818 0 181,818 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 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. Exhibit 99: Joint Filing Agreement. J. Wood Capital Advisors LLC /s/ Jason Wood 10/17/2025 Jason Wood /s/ Jason Wood 10/17/2025