Companies / TScan Therapeutics, Inc.
TScan Therapeutics, Inc.
Nasdaq: TCRXCIK 1783328WALTHAM, MA
Financials · FY2025
Ownership
67.8M shares outstanding · as of Aug 7, 2026
Ownership
Share classes
| Common Stock | 93.69% | |
| Common Stock | 6.31% |
| Institutions | 47.92% | 32,476,972 |
| Public float | 52.08% | 35,302,283 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 11
View all →| Insider | % of shares | Shares |
|---|---|---|
667, L.P.Director | — | — |
Amello JasonChief Financial Officer | — | — |
Baker Bros. Advisors (GP) LLCDirector | — | — |
Baker Bros. Advisors LPDirector | — | — |
Baker Brothers Life Sciences LPDirector | — | — |
Baker FelixDirector | — | — |
Baker JulianDirector | — | — |
Dworak LeidenSee Remarks | — | — |
Louis ChrystalChief Medical Officer | — | — |
MacBeath GavinCEOChief Executive Officer · Director | — | — |
Institutional holders 62
View all →| Holder | Value | % of shares |
|---|---|---|
| $8.02M | 11.83% | |
| $5.62M | 8.21% | |
| $2.81M | 4.11% | |
| $2.48M | 3.65% | |
| $1.79M | 2.63% | |
| $1.47M | 2.15% | |
| $1.38M | 2.01% | |
| $1.25M | 1.84% | |
| $1.22M | 1.78% | |
| $974.9K | 1.47% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| May 20, 2026 | Baker Bros. Advisors LP Director | Grant | Non- Qualified Stock Option (right to buy) | — | +67K | 67,000 0.10% of shares | low |
| May 20, 2026 | Baker Bros. Advisors LP Director | Grant | Non- Qualified Stock Option (right to buy) | — | +67K | 67,000 0.10% of shares | low |
| Jan 20, 2026 | Amello Jason Executive | Grant | Stock Option (Right to Buy) | — | +350K | 350,000 0.52% of shares | low |
| Jan 20, 2026 | MacBeath Gavin CEO | Grant | Stock Option (Right to Buy) | — | +1.2M | 1,165,000 1.72% of shares | low |
| Jan 20, 2026 | Dworak Leiden Executive | Grant | Stock Option (Right to Buy) | — | +100K | 100,000 0.15% of shares | low |
| Jan 20, 2026 | Louis Chrystal Executive | Grant | Stock Option (Right to Buy) | — | +420K | 420,000 0.62% of shares | low |
| Jan 20, 2026 | Zdraveski Zoran Executive | Grant | Stock Option (Right to Buy) | — | +350K | 350,000 0.52% of shares | low |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| TCRX | Common Stock | 89854M101 |