IPO registrations (S-1, F-1) · Registrants
FibroBiologics, Inc.
- SEC CIK
- 1958777 · filings on EDGAR ↗
- Former names
- FibroBiologics Inc. (2023–2024)
- Registration
- Form S-1, first filed 2023-11-07, last 2026-03-27; 7 initial registrations, 13 amendments
- Outcome
- Final prospectus filed 2024-01-31; declared effective 2024-01-24; withdrawal requested 2024-06-06
- Industry (SIC)
- Pharmaceutical Preparations 2834
- Incorporated in
- DE
- Business address
- 9350 KIRBY DRIVE, SUITE 300, Houston, TX 77054
- EIN
- 86-3329066
- Ticker
- FBLG (Nasdaq)
- EDGAR entity type
- operating
- Insiders and CEO pay
- FibroBiologics, Inc. on the corporate pages
Offering terms
- Shares offered
- 318,049
- Listing
- Nasdaq under the symbol FBLG
- Lead underwriters
- of Contents
Read from the cover pages of the filings listed under “Prospectus pages read” below; check the document for anything that matters.
On this site
- Business registration: FIBROBIOLOGICS, INC. Fuzzy (name and state)
- Form D issuer: FibroBiologics, Inc. EXACT (CIK (EXACT))
- SEC filer: FibroBiologics, Inc. EXACT (CIK (EXACT))
Filings 38
| Filed | Form | What it is | Name as filed | EDGAR |
|---|---|---|---|---|
| 2023-11-07 | S-1 | S-1 (registration) | FibroBiologics Inc. | 0001493152-23-039680 ↗ |
| 2023-11-28 | S-1/A | S-1/A (amendment) | FibroBiologics Inc. | 0001493152-23-042818 ↗ |
| 2023-11-30 | S-1/A | S-1/A (amendment) | FibroBiologics Inc. | 0001493152-23-043235 ↗ |
| 2023-12-04 | S-1/A | S-1/A (amendment) | FibroBiologics Inc. | 0001493152-23-043517 ↗ |
| 2023-12-07 | S-1/A | S-1/A (amendment) | FibroBiologics Inc. | 0001493152-23-044026 ↗ |
| 2024-01-12 | S-1/A | S-1/A (amendment) | FibroBiologics Inc. | 0001493152-24-002195 ↗ |
| 2024-01-22 | S-1/A | S-1/A (amendment) | FibroBiologics Inc. | 0001493152-24-003183 ↗ |
| 2024-01-24 | S-1/A | S-1/A (amendment) | FibroBiologics Inc. | 0001493152-24-003511 ↗ |
| 2024-01-24 | S-1/A | S-1/A (amendment) | FibroBiologics Inc. | 0001493152-24-003594 ↗ |
| 2024-01-24 | EFFECT | EFFECT (declared effective) | FibroBiologics Inc. | 9999999995-24-000192 ↗ |
| 2024-01-31 | 424B4 | 424B4 (final prospectus) | FibroBiologics Inc. | 0001493152-24-004389 ↗ |
| 2024-02-12 | S-1 | S-1 (registration) | FibroBiologics, Inc. | 0001493152-24-005929 ↗ |
| 2024-03-15 | S-1/A | S-1/A (amendment) | FibroBiologics, Inc. | 0001493152-24-010095 ↗ |
| 2024-03-26 | S-1/A | S-1/A (amendment) | FibroBiologics, Inc. | 0001493152-24-011358 ↗ |
| 2024-03-28 | 424B4 | 424B4 (final prospectus) | FibroBiologics, Inc. | 0001493152-24-011750 ↗ |
| 2024-03-28 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-24-000764 ↗ |
| 2024-04-26 | S-1 | S-1 (registration) | FibroBiologics, Inc. | 0001493152-24-015999 ↗ |
| 2024-05-15 | S-1/A | S-1/A (amendment) | FibroBiologics, Inc. | 0001493152-24-019903 ↗ |
| 2024-06-04 | S-1/A | S-1/A (amendment) | FibroBiologics, Inc. | 0001493152-24-022517 ↗ |
| 2024-06-06 | RW | RW (withdrawal request) | FibroBiologics, Inc. | 0001493152-24-022878 ↗ |
| 2024-06-18 | S-1 | S-1 (registration) | FibroBiologics, Inc. | 0001493152-24-024281 ↗ |
| 2024-06-25 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-24-001957 ↗ |
| 2024-06-26 | 424B4 | 424B4 (final prospectus) | FibroBiologics, Inc. | 0001493152-24-025194 ↗ |
| 2024-08-14 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-24-002525 ↗ |
| 2024-12-30 | S-1 | S-1 (registration) | FibroBiologics, Inc. | 0001493152-24-052400 ↗ |
| 2025-01-10 | S-1/A | S-1/A (amendment) | FibroBiologics, Inc. | 0001493152-25-001793 ↗ |
| 2025-01-14 | 424B4 | 424B4 (final prospectus) | FibroBiologics, Inc. | 0001493152-25-002162 ↗ |
| 2025-01-14 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-25-000105 ↗ |
| 2025-01-21 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-25-000146 ↗ |
| 2025-02-10 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-25-000380 ↗ |
| 2025-12-23 | S-1 | S-1 (registration) | FibroBiologics, Inc. | 0001493152-25-029010 ↗ |
| 2025-12-30 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-25-003971 ↗ |
| 2026-03-27 | S-1 | S-1 (registration) | FibroBiologics, Inc. | 0001493152-26-013274 ↗ |
| 2026-03-31 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-26-001031 ↗ |
| 2026-04-01 | 424B4 | 424B4 (final prospectus) | FibroBiologics, Inc. | 0001193125-26-137949 ↗ |
| 2026-07-16 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-26-002341 ↗ |
| 2026-10-19 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-26-003282 ↗ |
| 2026-10-19 | EFFECT | EFFECT (declared effective) | FibroBiologics, Inc. | 9999999995-26-003284 ↗ |
Prospectus pages read 2
| Filed | Form | Read as | Range | Price | Shares | Proceeds | Listing | Underwriters | What was found | Document |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024-01-24 | S-1/A | registration statement | 4,806,226 | - | Nasdaq FBLG | 1 | primary document; shares headline, cover names 1 | document ↗ | ||
| 2024-01-31 | 424B4 | final prospectus | 318,049 | - | Nasdaq FBLG | 1 | primary document; shares headline, cover names 1 | document ↗ |
Officers, directors and large holders Forms 3, 4 and 5
| Insider | Role | Title | Filings | Years | On this site |
|---|---|---|---|---|---|
| Andersen Mark C. | Officer | Chief Financial Officer | 2 | 2024 | |
| Cilento Richard C. Jr. | Director | 5 | 2024–2026 | ||
| Hoffman Robert E. | Director | 5 | 2024–2026 | ||
| Khoja Hamid | Officer | Chief Scientific Officer; CHIEF SCIENTIFIC OFFICER | 9 | 2024–2026 | |
| O'HEERON PETE | Director,Officer | Chief Executive Officer; CHIEF EXECUTIVE OFFICER | 9 | 2024–2026 | |
| Coen Stacy Ann | Director | 4 | 2024–2025 | ||
| Link Matthew | Director | 5 | 2024–2026 | ||
| Niklas Victoria Ninon Olivia | Director | 5 | 2024–2026 | ||
| GARCIA RUBEN A | Officer | General Counsel | 7 | 2024–2026 | |
| Davis Jason | Officer | Chief Financial Officer | 4 | 2025–2026 | |
| Rubins Kathleen Hallisey | Director | 1 | 2026 | ||
| Steinberg Leigh | Director | 1 | 2026 |
Everyone who filed an insider report for this company, from the SEC’s Insider Transactions Data Sets (2006 on). Person pages are matched by name and state only.
Private offerings before or after (Form D)
| First filed | Issuer | Industry | Offering | Sold | Investors | Filings |
|---|---|---|---|---|---|---|
| 2026-09-16 | FibroBiologics, Inc. | Pharmaceuticals | $500,001 | $500,001 | 1 | 1 |
| 2026-06-29 | FibroBiologics, Inc. | Pharmaceuticals | $3,000,000 | $3,000,000 | 1 | 1 |
| 2025-12-16 | FibroBiologics, Inc. | Pharmaceuticals | $1,725,001 | $1,725,001 | 4 | 1 |
| 2025-12-03 | FibroBiologics, Inc. | Pharmaceuticals | $1,500,000 | $1,500,000 | 4 | 1 |
| 2025-12-03 | FibroBiologics, Inc. | Pharmaceuticals | $4,000,000 | $4,000,000 | 1 | 1 |
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 |
|---|---|---|---|---|
| Business registration | FIBROBIOLOGICS, INC. | TX | State business registries | name and state |
| Form D issuer | FibroBiologics, Inc. | TX | Form D private offerings | CIK (EXACT) |
| SEC filer | FibroBiologics, Inc. | SEC filers (EDGAR) | CIK (EXACT) |
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 Pharmaceutical Preparations, TX first:
- INTROGEN THERAPEUTICS INC TX
- LEXICON PHARMACEUTICALS, INC. TX
- FILANA THERAPEUTICS, INC. TX
- Marker Therapeutics, Inc. TX
- TANOX INC TX
- LUMOS PHARMA, INC. TX
- BIO-PATH HOLDINGS, INC. TX
- Savara Inc TX
- Altrazeal Life Sciences Inc. TX
- Molecular Templates, Inc. TX
In other datasets, the same topic (Health) in TX:
- Nonprofit: AARON ALEXANDERS CLUB NICU (Nonprofits (IRS Form 990))
Interests: Pharmaceutical Preparations · Health