| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | Director, 10%+ Owner | 200 BERKELEY STREET, 18TH FLOOR, BOSTON | /s/ Peter Kolchinsky, Manager of RA Capital Management, L.P. | 07 Jan 2026 | 0001346824 |
| RA Capital Healthcare Fund LP | Director, 10%+ Owner | 200 BERKELEY STREET, 18TH FLOOR, BOSTON | /s/ Peter Kolchinsky, Manager of RA Capital Healthcare Fund GP, LLC the General Partner of RA Capital Healthcare Fund, L.P. | 07 Jan 2026 | 0001315082 |
| RA Capital Nexus Fund, L.P. | Director | 200 BERKELEY STREET, 18TH FLOOR, BOSTON | /s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund GP, LLC, the General Partner of RA Capital Nexus Fund, L.P. | 07 Jan 2026 | 0001780117 |
| RA Capital Nexus Fund II, L.P. | Director | 200 BERKELEY STREET, 18TH FLOOR, BOSTON | /s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund II GP, LLC, the General Partner of RA Capital Nexus Fund II, L.P. | 07 Jan 2026 | 0001825376 |
| RA Capital Nexus Fund III, L.P. | Director, 10%+ Owner | 200 BERKELEY STREET, 18TH FLOOR, BOSTON | /s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund III GP, LLC, the General Partner of RA Capital Nexus Fund III, L.P. | 07 Jan 2026 | 0001883840 |
| Kolchinsky Peter | Director, 10%+ Owner | C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON | /s/ Peter Kolchinsky, individually | 07 Jan 2026 | 0001384859 |
| Shah Rajeev M. | Director, 10%+ Owner | C/O RA CAPITAL MANAGEMENT, L.P., 200 BERKELEY STREET, 18TH FLOOR, BOSTON | /s/ Rajeev Shah, individually | 07 Jan 2026 | 0001619841 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CLYM | Common Stock | Purchase | $24,888 | +7,111 | +0.21% | $3.50 | 3,403,429 | 05 Jan 2026 | See footnotes | F1, F2, F3 |
| holding | CLYM | Common Stock | 2,479,872 | 05 Jan 2026 | See footnotes | F3, F4 | |||||
| holding | CLYM | Common Stock | 1,226,497 | 05 Jan 2026 | See footnotes | F3, F5 | |||||
| holding | CLYM | Common Stock | 483,679 | 05 Jan 2026 | See footnotes | F3, F6 | |||||
| holding | CLYM | Common Stock | 2,866,375 | 05 Jan 2026 | See footnotes | F3, F7 | |||||
| holding | CLYM | Common Stock | 841,087 | 05 Jan 2026 | See footnotes | F3, F8 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $3.495 to $3.50 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. |
| F2 | These securities are held directly by RA Capital Healthcare Fund, L.P. (the "Fund"). |
| F3 | RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund, RA Capital Nexus Fund, L.P. (the "Nexus Fund"), RA Capital Nexus II Fund, L.P. (the "Nexus Fund II"), RA Capital Nexus III Fund, L.P. (the "Nexus Fund III") and a separately managed account (the "Account"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Fund and the Nexus Fund III collectively own approximately 75% of the outstanding equity interests of Sera Medicines, LLC ("Sera"). Accordingly, each of the Fund, the Nexus Fund III and the Adviser may be deemed to beneficially own the securities held by Sera. The Adviser, the Adviser GP, the Fund, the Nexus Fund, the Nexus Fund II, the Nexus Fund III, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein. |
| F4 | These securities are held directly by Sera. |
| F5 | These securities are held directly by the Nexus Fund. |
| F6 | These securities are held directly by the Nexus Fund II. |
| F7 | These securities are held directly by Nexus Fund III. |
| F8 | These securities are held directly by the Account. |
Dr. Andrew Levin, a Partner and Managing Director of the Adviser, serves on the Issuer's board of directors.