IPO registrations (S-1, F-1) · Registrants
TRex Bio, Inc.
- SEC CIK
- 2139097 · filings on EDGAR ↗
- Registration
- Form S-1, first filed 2026-09-18, last 2026-10-05; 1 initial registration, 1 amendment
- Outcome
- Final prospectus filed 2026-10-09; declared effective 2026-10-08
- Industry (SIC)
- Biological Products, (No Diagnostic Substances) 2836
- Incorporated in
- DE
- Business address
- C/O TREX BIO, INC., 269 EAST GRAND AVENUE SUITE 300, South San Francisco, CA
- Ticker
- TRXB (Nasdaq)
- EDGAR entity type
- other
Offering terms
- Proposed price range
- $14.00–$16.00 per share (S-1/A filed 2026-10-05)
- Final price
- $14.00 per share, within the range (424B4 filed 2026-10-09, an initial public offering)
- Shares sold
- 8,333,334
- Gross proceeds
- $116,666,676 before underwriting discounts and any over-allotment option
- Listing
- Nasdaq under the symbol TRXB
- Lead underwriters
- J.P. Morgan
- Syndicate
- Evercore; Cantor Fitzgerald; Stifel; Wedbush Securities
Read from the cover pages of the filings listed under “Prospectus pages read” below; check the document for anything that matters.
Filings 4
| Filed | Form | What it is | Name as filed | EDGAR |
|---|---|---|---|---|
| 2026-09-18 | S-1 | S-1 (registration) | TRex Bio, Inc. | 0001193125-26-395671 ↗ |
| 2026-10-05 | S-1/A | S-1/A (amendment) | TRex Bio, Inc. | 0001193125-26-413060 ↗ |
| 2026-10-08 | EFFECT | EFFECT (declared effective) | TRex Bio, Inc. | 9999999995-26-003188 ↗ |
| 2026-10-09 | 424B4 | 424B4 (final prospectus) | TRex Bio, Inc. | 0001193125-26-419203 ↗ |
Prospectus pages read 2
| Filed | Form | Read as | Range | Price | Shares | Proceeds | Listing | Underwriters | What was found | Document |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-05 | S-1/A | registration statement | $14.00–$16.00 | 8,333,334 | - | Nasdaq TRXB | 5 | primary document; range, shares headline, cover names 5 | document ↗ | |
| 2026-10-09 | 424B4 | final prospectus | $14.00 | 8,333,334 | $116,666,676 | Nasdaq TRXB | 5 | primary document; price sentence, shares headline, proceeds table, cover names 5 | document ↗ |
Data: SEC EDGAR. The quarterly full index (every S-1, S-1/A, F-1 and F-1/A since 1993, with the pricing prospectus, notice of effectiveness and withdrawal request of each registrant) and the company submissions data (SIC, state of incorporation, address, EIN, tickers, former names). Company details are what EDGAR holds today, not at the time of the filing.
Also on this site Fuzzy
| Record | Name as filed | Where | Dataset | Matched by |
|---|---|---|---|---|
| Patent assignee | TRex Bio, Inc. | CA | Patents (USPTO) | name and state |
| Trademark owner | TRex Bio, Inc. | CA | Trademarks (USPTO) | name and state |
Matched by an identifier (EIN, CIK, CRD), by name and state or city, or by street address; a shared name or address is not proof of the same person or organization. Every link says how it was made; how the cross-referencing works.
Others with the same interests
SIC industry Biological Products, (No Diagnostic Substances), CA first:
- SANGAMO THERAPEUTICS, INC CA
- GENITOPE CORP CA
- ABGENIX INC CA
- COLLATERAL THERAPEUTICS INC CA
- Life Technologies Corp CA
- DRUGABUSE SCIENCES INC CA
- STRATAGENE CORP CA
- Cordex Pharma, Inc. CA
- COTHERIX INC CA
- Cardiff Oncology, Inc. CA
In other datasets, the same topic (Health) in CA:
- Nonprofit: 24 HOUR CANCER DANCE-A-THON (Nonprofits (IRS Form 990))
Interests: Biological Products, (No Diagnostic Substances) · Health