| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ETNB | Common Stock | Purchase | $415,530 | +22,138 | +0.45% | $18.77 | 4,965,769 | 02 Jun 2021 | See Footnote | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | This transaction was executed in multiple trades at prices ranging from $18.60 to $18.90; the price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which these transactions, and all other transactions reported in this Form 4, were effected upon request to the SEC staff, the issuer, or a security holder of the issuer. |
| F2 | These securities include 4,630,405 shares held directly by RA Capital Healthcare Fund, L.P. (the "Fund") and 335,364 shares held by RA Capital Nexus Fund, L.P. ("the Nexus Fund") |
| F3 | RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund and the Nexus Fund. 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 Adviser, the Adviser GP, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein. |