# EDGAR Filing Document

**Accession Number:** 0001958777
**File Stem:** 0001493152-26-013346
**Filing Date:** 2026-3
**Character Count:** 2301
**Document Hash:** e2d05e83513375d08412fa87db9d09a8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001493152-26-013346.hdr.sgml**: 20260501

**ACCESSION NUMBER**: 0001493152-26-013346

**CONFORMED SUBMISSION TYPE**: CORRESP

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260327

**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:** CORRESP

**BUSINESS ADDRESS:**
- **STREET 1:** 9350 KIRBY DRIVE
- **STREET 2:** SUITE 300
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77054
- **BUSINESS PHONE:** 281-671-5150

**MAIL ADDRESS:**
- **STREET 1:** 9350 KIRBY DRIVE
- **STREET 2:** SUITE 300
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77054

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

March 27, 2026

**<u>VIA EDGAR</u>**

U.S. Securities and Exchange Commission

Division of Corporation Finance

Washington, DC 20549

---

| | |
|:---|:---|
| **Re:** | **FibroBiologics, Inc.** |
|  | **Registration Statement on Form S-1 (File No. 333-294713), as amended – Concurrence in Acceleration Request** |

---

Ladies and Gentlemen:

H.C. Wainwright & Co., LLC ("<u>Wainwright</u>"), solely acting as placement agent on a best efforts basis in an offering pursuant to the registration statement on Form S-1 (File No. 333-294713) (as amended, the "<u>Registration Statement</u>"), hereby concurs in the request by FibroBiologics, Inc. that the effective date of the above-referenced registration statement be accelerated to 5:15 P.M. (Eastern Time), or as soon as practicable thereafter, on March 31, 2026, pursuant to Rule 461 under the Securities Act of 1933, as amended (the "<u>Securities Act</u>"). Wainwright affirms that it is aware of its obligations under the Securities Act as they pertain to the best efforts offering pursuant to the Registration Statement.

---

| | |
|:---|:---|
| Very truly yours, | Very truly yours, |
| **H.C. WAINWRIGHT & CO., LLC** | **H.C. WAINWRIGHT & CO., LLC** |
| By: | */s/ Edward Silvera* |
| Name: | Edward Silvera |
| Title: | Co-Chief Executive Officer |

---