| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TSVT | Common Stock, par value $0.0001 per share | Purchase | $1,470,990 | +300,000 | +25% | $4.90 | 1,482,623 | 21 Mar 2024 | See footnote | F1, F2 |
| transaction | TSVT | Common Stock, par value $0.0001 per share | Purchase | $754,069 | +147,377 | +9.9% | $5.12 | 1,630,000 | 22 Mar 2024 | See footnote | F2, F3 |
| transaction | TSVT | Common Stock, par value $0.0001 per share | Purchase | $1,673,991 | +330,000 | +20% | $5.07 | 1,960,000 | 25 Mar 2024 | See footnote | F2, F4 |
| holding | TSVT | Common Stock, par value $0.0001 per share | 16,600 | 21 Mar 2024 | Direct | F5, F6 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TSVT | Total Return Swap | Sale | $297,782 | -63,151 | -11% | $4.72 | 536,784 | 21 Mar 2024 | Common Stock, par value $0.0001 per share | 63,151 | See footnote | F2, F7, F8 |
| Id | Content |
|---|---|
| F1 | The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $4.63 to $5. The Reporting Person undertakes 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 bought at each separate price within the range set forth in this footnote. |
| F2 | The securities are owned directly by Casdin Partners Master Fund, L.P. (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to the Master Fund ("Casdin"), (ii) Casdin Partners GP, LLC, the general partner of the Master Fund (the "GP"), and (iii) Eli Casdin, the managing member of Casdin and the GP. |
| F3 | The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $4.93 to $5.21. The Reporting Person undertakes 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 bought at each separate price within the range set forth in this footnote. |
| F4 | The price reported in Column 4 is a weighted average price. These shares were bought in multiple transactions within the range of $4.87 to $5.55. The Reporting Person undertakes 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 bought at each separate price within the range set forth in this footnote. |
| F5 | This restricted stock unit award vests ratable over three years in annual installments with the first installment vesting on March 20, 2025, subject to the Reporting Person's continued service through the applicable vesting date. |
| F6 | The securities are owned directly by Eli Casdin. |
| F7 | The Master Fund has entered into certain cash-settled total return swap agreements (the "Swap Agreements"), which represent, after the transaction reported herein, economic exposure to an aggregate of 536,784.15 notional shares of the Issuer's Common Stock, par value $0.0001 per share. The Swap Agreements provide the Master Fund with economic results that are comparable to the economic results of ownership but do not provide it with the power to vote or direct the voting or dispose of or direct the disposition of the securities that are referenced by the Swap Agreements. |
| F8 | The price reported in Column 7 is a weighted average price. These securities were sold in multiple transactions within the range of $4.62 to $4.84. The Reporting Person undertakes 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 securities sold at each separate price within the range set forth in this footnote. |
Eli Casdin has been deputized to represent the Reporting Persons on the board of directors of the Issuer. By virtue of Mr. Casdin's representation, for purposes of Section 16 of the Securities Exchange Act of 1934 (the "Exchange Act"), each of the Reporting Persons may be deemed directors by deputization of the Issuer. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.