| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | TCRX | Common Stock | Purchase | $69.4K | +40.8K | +38.97% | $1.70 | 145K | May 10, 2022 | See Footnotes | F1, F2, F3 |
| transaction | TCRX | Common Stock | Purchase | $553K | +325K | +24.64% | $1.70 | 1.65M | May 10, 2022 | See Footnotes | F2, F3, F4 |
| transaction | TCRX | Common Stock | Purchase | $24.7K | +12.8K | +8.78% | $1.93 | 158K | May 10, 2022 | See Footnotes | F1, F2, F3, F5 |
| transaction | TCRX | Common Stock | Purchase | $197K | +102K | +6.19% | $1.93 | 1.75M | May 10, 2022 | See Footnotes | F2, F3, F4, F5 |
| transaction | TCRX | Common Stock | Purchase | $185K | +95.1K | +60.06% | $1.95 | 253K | May 10, 2022 | See Footnotes | F1, F2, F3, F6 |
| transaction | TCRX | Common Stock | Purchase | $1.48M | +758K | +43.38% | $1.95 | 2.51M | May 10, 2022 | See Footnotes | F2, F3, F4, F6 |
| transaction | TCRX | Common Stock | Purchase | $5.72K | +2.88K | +1.14% | $1.99 | 256K | May 11, 2022 | See Footnotes | F1, F2, F3, F7 |
| transaction | TCRX | Common Stock | Purchase | $45.6K | +23K | +0.92% | $1.99 | 2.53M | May 11, 2022 | See Footnotes | F2, F3, F4, F7 |
| Id | Content |
|---|---|
| F1 | After giving effect to the transaction reported herein and as a result of their ownership interest in (i) Baker Biotech Capital, L.P. and (ii) 667, L.P. ("667"), Julian C. Baker and Felix J. Baker each may be deemed to have an indirect pecuniary interest in the common stock ("Common Stock") of TScan Therapeutics, Inc. (the "Issuer") reported in column 5 of Table I directly held by 667, a limited partnership of which the sole general partner is Baker Biotech Capital, L.P., a limited partnership of which the sole general partner is Baker Biotech Capital (GP), LLC, due to their interest in 667 and Baker Biotech Capital, L.P.'s right to receive an allocation of a portion of the profits from 667. |
| F2 | Baker Bros. Advisors LP (the "Adviser") serves as the investment adviser to 667 and Baker Brothers Life Sciences, L.P. ("Life Sciences", and togehter with 667, the "Funds"). In connection with the services provided by the Adviser, the Adviser receives an asset-based management fee that does not confer any pecuniary interest in the securities held by the Funds. Baker Bros. Advisors (GP) LLC (the "Adviser GP") is the Adviser's sole general partner. Julian C. Baker and Felix J. Baker are managing members of the Adviser GP. The Adviser has complete and unlimited discretion and authority with respect to the investment and voting power of the securities held by the Funds. The general partners of the Funds relinquished to the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds. |
| F3 | Julian C. Baker, Felix J. Baker, the Adviser GP and the Adviser disclaim beneficial ownership of the securities held directly by the Funds except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that any of Julian C. Baker, Felix J. Baker, the Adviser GP or the Adviser is a beneficial owner of such securities for purposes of Section 16 or any other purpose. |
| F4 | After giving effect to the transaction reported herein and as a result of their ownership interest in (i) Baker Brothers Life Sciences Capital L.P. and (ii) Life Sciences, Felix J. Baker and Julian C. Baker may be deemed to have an indirect pecuniary interest in the Common Stock reported in column 5 of Table I directly held by Life Sciences, a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital, L.P., a limited partnership of which the sole general partner is Baker Brothers Life Sciences Capital (GP), LLC, due to their interest in Life Sciences and Baker Brothers Life Sciences Capital, L.P.'s right to receive an allocation of a portion of the profits from Life Sciences. |
| F5 | The price reported in Column 4 is a weighted average price. These shares of Common Stock of the Issuer were traded by the Funds in multiple transactions at prices ranging from $1.90 to $2.00, 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 (the "Staff"), upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote. |
| F6 | The price reported in Column 4 is a weighted average price. These shares of Common Stock of the Issuer were traded by the Funds in multiple transactions at prices ranging from $1.78 to $2.00, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote. |
| F7 | The price reported in Column 4 is a weighted average price. These shares of Common Stock of the Issuer were traded by the Funds in multiple transactions at prices ranging from $1.98 to $1.99, inclusive. The reporting persons undertake to provide to the Issuer, any security holder of the Issuer, or the Staff, upon request, full information regarding the number of shares traded at each separate price within the range set forth in this footnote. |
Dr. Stephen R. Biggar, a full-time employee of Baker Bros. Advisors LP, is a director of TScan Therapeutics, Inc. (the "Issuer"). By virtue of their representation on the board of directors of the Issuer, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the reporting persons are deemed directors by deputization of the Issuer.