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Signature
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/s/ Stephanie J. Brown, Duly authorized under Powers of Attorney, by and on behalf of FMR LLC and its direct and indirect subsidiaries, and Abigail P. Johnson
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Issuer symbol
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RLYB
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Transactions as of
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04 Mar 2026
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Net transactions value
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$0
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Form type
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3
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Filing time
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10 Mar 2026, 13:24:15 UTC
Reporting Owners (1)
| Name |
Relationship |
Address |
Signature |
Signature date |
CIK |
| FMR LLC |
Other*, 10%+ Owner |
245 SUMMER STREET, BOSTON |
/s/ Stephanie J. Brown, Duly authorized under Powers of Attorney, by and on behalf of FMR LLC and its direct and indirect subsidiaries, and Abigail P. Johnson |
10 Mar 2026 |
0000315066 |
Transactions Table
| Type |
Sym |
Class |
Transaction |
Value $ |
Shares |
Change % |
* Price $ |
Shares After |
Date |
Ownership |
Footnotes |
| holding |
RLYB |
Common Stock |
|
|
|
|
|
211,798 |
04 Mar 2026 |
F-Prime Capital Partners Life Sciences Fund VI LP |
|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.
Remarks:
Remark 1: Abigail P. Johnson is a Director, the Chairman and the Chief Executive Officer of FMR LLC. Members of the Johnson family, including Abigail P. Johnson, are the predominant owners,directly or through trusts, of Series B voting common shares of FMR LLC, representing 49% of the voting power of FMR LLC. The Johnson family group and all other Series B shareholders haveentered into a shareholders' voting agreement under which all Series B voting common shares will be voted in accordance with the majority vote of Series B voting common shares. Accordingly,through their ownership of voting common shares and the execution of the shareholders' voting agreement, members of the Johnson family may be deemed, under the Investment Company Act of 1940,to form a controlling group with respect to FMR LLC. The address of Abigail P. Johnson is c/o FMR LLC, 245 Summer Street, Boston, MA 02110. Remark 2: The filing of this statement shall not bedeemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the undersigned are the beneficial owners of any securities reported herein. Remark 3: F-Prime Capital Partners Life Sciences Advisors Fund VI LP (FPCPLSA) is the general partner of F-Prime Capital Partners Life Sciences Fund VI LP. FPCPLSA is solely managed by Impresa Management LLC, the managing member of its general partner and its investment manager. Impresa Management LLC is owned, directly or indirectly, by various shareholders and employees of FMR LLC, including certain members of the Johnson family.