---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-418065"
form_type: "8-K"
ticker: "FBLG"
cik: "0001958777"
company_name: "FibroBiologics, Inc."
filed_at: "2026-10-08T21:15:13+00:00"
generated_at: "2026-10-12T15:22:47.239449+00:00"
event_type: "debt"
sentiment: "negative"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# FibroBiologics raises $1.02M via $1.2M convertible debenture to Peak One; 15% OID, 0% interest

## Summary
- Issued $1.2M principal convertible debenture to Peak One Opportunity Fund for $1,020,000 cash, a 15% original issue discount, plus 125,000 restricted commitment shares and a $20,000 fee.
- Debenture matures Oct 8, 2027, pays 0% interest, and is convertible at $0.78/share only after an Event of Default; default allows 18% interest and 120% acceleration.
- Company must pay $1,080,000 on Apr 8, 2027, $60,000 on Jul 8, 2027, and $60,000 or remaining balance at maturity; holder can require 50% of cash proceeds over $1.5M be used to repay.
- Exchange cap limits issuance to 1,671,094 shares absent stockholder approval; 4.99% beneficial ownership blocker applies; no variable-rate transactions while debenture outstanding.
- Company may redeem at 100% principal anytime no Event of Default; proceeds solely for business operations.

## SEC filing metadata
- accession: 0001193125-26-418065
- form_type: 8-K
- ticker: FBLG
- cik: 0001958777
- company_name: FibroBiologics, Inc.
- filed_at: 2026-10-08T21:15:13+00:00
- event_type: debt
- sentiment: negative
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 1.01, 2.03, 3.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1958777/000119312526418065/0001193125-26-418065-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1958777/000119312526418065/fblg-20261007.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-418065
- JSON: https://secwatch.observer/filing/0001193125-26-418065.json
- Plain text: https://secwatch.observer/filing/0001193125-26-418065.txt

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