---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-288264"
form_type: "8-K"
ticker: "FBLG"
cik: "0001958777"
company_name: "FibroBiologics, Inc."
filed_at: "2025-11-19T23:59:59+00:00"
generated_at: "2026-05-16T18:34:19.765197+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# FibroBiologics raises ~$4M in registered direct offering paid in gold coins; redeems $3.4M note

## Summary
- Priced 3,540,000 shares and 8,570,203 pre-funded warrants at $0.3303/unit, gross proceeds ~$4M.
- Payment in sovereign-issued .9999 fine gold coins valued at $4,069.18/oz, intent to liquidate to USD.
- Concurrent private placement of 12,110,203 warrants at $0.3303, exercisable after stockholder approval.
- Redeemed final Promissory Note (third tranche) of $3.4M principal plus 6% premium for total $3.604M.
- Net proceeds for general corporate purposes, including debt satisfaction; offering closes Nov. 19, 2025.

## SEC filing metadata
- accession: 0001193125-25-288264
- form_type: 8-K
- ticker: FBLG
- cik: 0001958777
- company_name: FibroBiologics, Inc.
- filed_at: 2025-11-19T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 3.02, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1958777/000119312525288264/0001193125-25-288264-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1958777/000119312525288264/fblg-20251118.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-288264
- JSON: https://secwatch.observer/filing/0001193125-25-288264.json
- Plain text: https://secwatch.observer/filing/0001193125-25-288264.txt

## Key facts
- Equity Issuances
  FibroBiologics, Inc. issued 8,570,203 pre-funded warrants of warrant to a single investor for sovereign-issued .9999 fine gold coins valued at $4,069.18 per oz. based on the spot price of gold at the time of signing of the Purchase Agreement.
  - Security: warrant
  - Shares: 8,570,203 pre-funded warrants
  - Purchaser: a single investor
  - Consideration: sovereign-issued .9999 fine gold coins valued at $4,069.18 per oz. based on the spot price of gold at the time of signing of the Purchase Agreement
  source text: below. The exercise price of the Warrants is $0.3303 per share. The purchase price for the Shares or Pre-Funded Warrants will be paid not in cash but with sovereign-issued .9999 fine gold coins valued at $4,069.18 per oz. based on the spot price of gold at the time of signing of the Purchase Agreement, delivered to the Company’s depository. The Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1958777/000119312525288264/0001193125-25-288264-index.htm
- Equity Issuances
  FibroBiologics, Inc. issued 3,540,000 shares of common stock to a single investor for sovereign-issued .9999 fine gold coins valued at $4,069.18 per oz. based on the spot price of gold at the time of signing of the Purchase Agreement.
  - Security: common stock
  - Shares: 3,540,000 shares
  - Purchaser: a single investor
  - Consideration: sovereign-issued .9999 fine gold coins valued at $4,069.18 per oz. based on the spot price of gold at the time of signing of the Purchase Agreement
  source text: below. The exercise price of the Warrants is $0.3303 per share. The purchase price for the Shares or Pre-Funded Warrants will be paid not in cash but with sovereign-issued .9999 fine gold coins valued at $4,069.18 per oz. based on the spot price of gold at the time of signing of the Purchase Agreement, delivered to the Company’s depository. The Company
  evidence_url: https://www.sec.gov/Archives/edgar/data/1958777/000119312525288264/0001193125-25-288264-index.htm
- Equity Issuances
  FibroBiologics, Inc. issued 12,110,203 shares of warrant to the Purchaser for Not stated separately; warrants issued in connection with the Registered Direct Offering.
  - Security: warrant
  - Shares: 12,110,203 shares
  - Purchaser: the Purchaser
  - Consideration: Not stated separately; warrants issued in connection with the Registered Direct Offering
  source text: Additionally, pursuant to the Purchase Agreement, the Company will issue and sell to the Purchaser, in a concurrent private placement, warrants to purchase one share of its common stock for each share of common stock or Pre-Funded Warrant purchased in the Registered Direct Offering, for an aggregate of 12,110,203 shares of Common Stock (the “Warrants”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/1958777/000119312525288264/0001193125-25-288264-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.