Exhibit 1
JOINT FILING AGREEMENT
The undersigned hereby agree that this Statement on Schedule 13D, dated July 27, 2026, with respect to the common stock, par value $0.0001 per share, of Yarrow Bioscience, Inc. is filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended. Each of the undersigned agrees to be responsible for the timely filing of this Statement, and for the completeness and accuracy of the information concerning itself contained therein. This Joint Filing Agreement may be executed in any number of counterparts, all of which taken together shall constitute one and the same instrument.
IN WITNESS WHEREOF, the undersigned have executed this Joint Filing Agreement as of the 5th day of August 2026.
| ORBIMED ADVISORS LLC | |||
| By: | /s/ Carl L. Gordon | ||
| Name: Carl L. Gordon | |||
| Title: Member | |||
| ORBIMED CAPITAL GP X LLC | |||
| By: | ORBIMED ADVISORS LLC, its managing member | ||
| By: | /s/ Carl L. Gordon | ||
| Name: Carl L. Gordon | |||
| Title: Member of OrbiMed Advisors LLC | |||
| ORBIMED CAPITAL GP X, LP | |||
| By: | ORBIMED ADVISORS LLC, its managing member | ||
| By: | /s/ Carl L. Gordon | ||
| Name: Carl L. Gordon | |||
| Title: Member of OrbiMed Advisors LLC | |||
| ORBIMED GENESIS GP LLC | |||
| By: | ORBIMED ADVISORS LLC, its managing member | ||
| By: | /s/ Carl L. Gordon | ||
| Name: Carl L. Gordon | |||
| Title: Member of OrbiMed Advisors LLC | |||