TScan Therapeutics, Inc.
TCRXAs of the close on Sep 25, 2026
Price
$0.34
Market cap
—
The cover-page share count does not match the latest report's share count
P/E (diluted TTM)
—
Not meaningful: the last four quarters were a loss
EPS (TTM)
−$0.91
Four quarters to Jun 30, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments
Figures shown here come from public SEC filings. Dates beside each section show the available history.
How TScan Therapeutics, Inc. Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
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Financial Summary
Choose a year or quarter, compare it with the same period a year earlier, and open any row for its full filing history.
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 6 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated May 22, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2026-03-31 | 157,228 | Not shown | SEC filing |
| Kestra Advisory Services, LLC | 2026-03-31 | 62,525 | Not shown | SEC filing |
| STATE STREET CORP | 2026-03-31 | 207,313 | Not shown | SEC filing |
| GEODE CAPITAL MANAGEMENT, LLC | 2026-03-31 | 616,952 | Not shown | SEC filing |
| Aries Wealth Management | 2026-03-31 | 10,000 | Not shown | SEC filing |
| D. E. Shaw & Co., Inc. | 2026-03-31 | 319,587 | Not shown | SEC filing |
| JPMORGAN CHASE & CO | 2026-03-31 | 16,436 | Not shown | SEC filing |
| BAKER BROS. ADVISORS LP | 2026-03-31 | 2,784,792 | Not shown | SEC filing |
| PRUDENTIAL FINANCIAL INC | 2026-03-31 | 29,800 | Not shown | SEC filing |
| Vanguard Personalized Indexing Management, LLC | 2026-03-31 | 21,359 | Not shown | SEC filing |
| PANAGORA ASSET MANAGEMENT INC | 2026-03-31 | 28,797 | Not shown | SEC filing |
| DC Funds, LP | 2026-03-31 | 630,000 | Not shown | SEC filing |
| ROYAL BANK OF CANADA | 2026-03-31 | 73 | Not shown | SEC filing |
| BARCLAYS PLC | 2026-03-31 | 17,080 | Not shown | SEC filing |
| HSBC HOLDINGS PLC | 2026-03-31 | 24,574 | Not shown | SEC filing |
| LETKO, BROSSEAU & ASSOCIATES INC | 2026-03-31 | 95,875 | Not shown | SEC filing |
| GOLDMAN SACHS GROUP INC | 2026-03-31 | 37,267 | Not shown | SEC filing |
| FMR LLC | 2026-03-31 | 1,300 | Not shown | SEC filing |
| BANK OF AMERICA CORP /DE/ | 2026-03-31 | 57,529 | Not shown | SEC filing |
| AMERIPRISE FINANCIAL INC | 2026-03-31 | 52,635 | Not shown | SEC filing |
- Each value is checked against TScan Therapeutics, Inc.'s share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 20 rows: no share price from within three months of their report dates is on file, so they could not be checked.
Filer report history
Two reports per filer, as filed. No change is calculated, because the data on file cannot confirm that both reports describe the same security.
- LPL Financial LLC: 22,500 shares reported 2025-12-31; 22,500 shares reported 2026-03-31.
- GSA CAPITAL PARTNERS LLP: 226,164 shares reported 2025-12-31; 378,960 shares reported 2026-03-31.
- XTX Topco Ltd: 219,001 shares reported 2025-12-31; 60,720 shares reported 2026-03-31.
- Deer Management Co. LLC: 1,245,504 shares reported 2025-12-31; 1,245,504 shares reported 2026-03-31.
- OSAIC HOLDINGS, INC.: 12,245 shares reported 2025-12-31; 9,756 shares reported 2026-03-31.
- DIMENSIONAL FUND ADVISORS LP: 74,467 shares reported 2025-12-31; 65,335 shares reported 2026-03-31.
- FEDERATED HERMES, INC.: 4,989 shares reported 2025-12-31; 4,295 shares reported 2026-03-31.
- TWO SIGMA INVESTMENTS, LP: 651,179 shares reported 2025-12-31; 1,209,009 shares reported 2026-03-31.
- JANE STREET GROUP, LLC: 388,284 shares reported 2025-12-31; 144,421 shares reported 2026-03-31.
- SBI Securities Co., Ltd.: 392 shares reported 2025-12-31; 392 shares reported 2026-03-31.
- RENAISSANCE TECHNOLOGIES LLC: 1,141,069 shares reported 2025-12-31; 1,364,783 shares reported 2026-03-31.
- Aberdeen Group plc: 1,785,241 shares reported 2025-12-31; 918,020 shares reported 2026-03-31.
Showing the 12 most recent filer reports.
21 filers have only one report here.
Unusually large insider trades
Each trade is compared with the other insider trades of the same kind in the same security among TScan Therapeutics, Inc.'s recent filings on file. Size alone is context, not a prediction or evidence of improper trading.
- 2025-05-20 · Nichols Weston: Larger than 12 of the 13 other insider purchases of Common Stock on file. SEC filing
- 2023-12-18 · BARBERICH TIMOTHY J: Larger than 18 of the 20 other insider purchases of Voting Common Stock on file. SEC filing
- 2023-06-02 · BARBERICH TIMOTHY J: Larger than 19 of the 20 other insider purchases of Voting Common Stock on file. SEC filing
- 2021-07-20 · Westphal Christoph H: Larger than all 20 other insider purchases of Voting Common Stock on file. SEC filing
- 2021-07-20 · BAKER JULIAN: Larger than all 13 other insider purchases of Common Stock on file. SEC filing
Independent insiders buying near the same time
- 2023-12-14–2023-12-19: 3 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing )
- 2021-09-20–2021-09-23: 4 event(s) across 3 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing , filing , filing )
- 2021-09-08–2021-09-09: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
- 2021-07-20–2021-07-20: 2 event(s) across 2 owner(s) — A cluster counts independent reporting owners that reported purchases within a set time. Co-filers and declared affiliates count once, and duplicate reports of the same event count once. ( filing , filing )
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2025-12-23 | Nichols Weston · 10% owner | Common Stock | P — Open market or private purchase | +6,232 | 0.90 | SEC filing |
| 2025-12-22 | Nichols Weston · 10% owner | Common Stock | P — Open market or private purchase | +75,500 | 0.90 | SEC filing |
| 2025-12-19 | Nichols Weston · 10% owner | Common stock, $0.0001 par value per share ("Common Stock") | P — Open market or private purchase | +80,069 | 0.90 | SEC filing |
| 2025-05-20 | Nichols Weston · 10% owner | Common Stock | P — Open market or private purchase | +1,200,000 | 1.20 | SEC filing |
| 2025-05-19 | Nichols Weston · 10% owner | Common stock, $0.0001 par value per share ("Common Stock") | P — Open market or private purchase | +1,388,794 | 1.20 | SEC filing |
| 2024-12-26 | Nichols Weston · 10% owner | Pre-funded Warrant (right to buy) | P — Open market or private purchase | +7,500,000 | 4.00 | SEC filing |
| 2024-12-13 | Nichols Weston · 10% owner | Common Stock | P — Open market or private purchase | +100,000 | 2.90 | SEC filing |
| 2024-12-12 | Nichols Weston · 10% owner | Common stock, $0.0001 par value per share ("Common Stock") | P — Open market or private purchase | +31,800 | 3.01 | SEC filing |
Showing 8 of 14 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-05-20 | Dorton Katina · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +67,000 | SEC filing |
| 2026-05-20 | Klencke Barbara · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +67,000 | SEC filing |
| 2026-05-20 | BAKER JULIAN · Director | Non- Qualified Stock Option (right to buy) | A — Grant, award, or other acquisition | +67,000 | SEC filing |
| 2026-05-20 | Gruia Gabriela · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +67,000 | SEC filing |
| 2026-05-20 | Woods Keith · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +67,000 | SEC filing |
| 2026-05-20 | Nicholson Garry A · Director | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +67,000 | SEC filing |
| 2026-01-20 | ZDRAVESKI ZORAN · See Remarks | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +350,000 | SEC filing |
| 2026-01-20 | Louis Chrystal · Chief Medical Officer | Stock Option (Right to Buy) | A — Grant, award, or other acquisition | +420,000 | SEC filing |
Showing 8 of 20 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.