# EDGAR Filing Document

**Accession Number:** 0001958777
**File Stem:** 9999999995-25-003971
**Filing Date:** 2025-12
**Character Count:** 1444
**Document Hash:** e62d331ec1b9c28857ce4264dba28a35
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-003971.hdr.sgml**: 20251231

**ACCESSION NUMBER**: 9999999995-25-003971

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251230

**DATE AS OF CHANGE**: 20251231

**EFFECTIVENESS DATE**: 20251230

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FibroBiologics, Inc.
- **CENTRAL INDEX KEY:** 0001958777
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 863329066
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-292407
- **FILM NUMBER:** 251615647

**BUSINESS ADDRESS:**
- **STREET 1:** 455 E. MEDICAL CENTER BLVD
- **STREET 2:** SUITE 300
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77598
- **BUSINESS PHONE:** 281-671-5150

**MAIL ADDRESS:**
- **STREET 1:** 455 E. MEDICAL CENTER BLVD SUITE 300
- **STREET 2:** SUITE 300
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77598

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FibroBiologics Inc.
- **DATE OF NAME CHANGE:** 20221216

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** December 30, 2025

**Time:** 15:00:00

**Form Type:** S-1

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**CIK:** 0001958777

**Company Name:** FibroBiologics, Inc.

**File Number:** 333-292407