FibroBiologics Pays Off Convertible Debt, Strengthening Balance Sheet

FBLG
November 26, 2025

FibroBiologics, Inc. (NASDAQ: FBLG) has fully settled all outstanding convertible promissory notes issued to Yorkville, Ltd., an investment fund managed by Yorkville Advisors Global, LP. The notes, totaling approximately $4.6 million, were part of a Standby Equity Purchase Agreement (SEPA) signed on December 20, 2024 that allowed the company to sell up to $25 million of common stock to Yorkville over two years.

The SEPA remains in effect through December 20, 2026, giving FibroBiologics the option to sell an additional $10 million of common stock under the same terms. By eliminating the convertible debt, the company removes a potential dilution trigger and reduces its total debt load, improving its debt‑to‑equity ratio from 56.9% to a more manageable level, although the ratio remains high at 36.58% when calculated against the current equity base of $125 k.

Despite the payoff, FibroBiologics’ balance sheet still reflects significant liquidity pressure. The current ratio sits at 0.78, and the Altman Z‑score is –14.07, indicating a high risk of bankruptcy. Net losses have widened to $15.4 million for the nine months ended September 30, 2025, compared with $8.1 million for the same period in 2024, and the company has yet to generate revenue growth.

The company is preparing to launch its Phase 1/2 clinical trial for CYWC628 in diabetic foot ulcers in early 2026 and to file Investigational New Drug applications for CYPS317 (psoriasis) and CYMS101 (multiple sclerosis). These milestones are critical to moving the pipeline forward and generating future revenue streams, but they require substantial capital investment.

Market reaction to the debt payoff was muted; shares fell more than 2% in pre‑market trading on the day of the announcement. Investors remain concerned about the company’s ongoing losses, low current ratio, and reliance on the SEPA for future financing, which temper enthusiasm for the positive balance‑sheet move.

Founder and CEO Pete O’Heeron said, “Strengthening our balance sheet and eliminating our convertible debt allows us to focus on our highest priority: advancing into the clinic and initiating first‑in‑human trials.” The statement underscores the company’s intent to use the freed‑up capital to accelerate clinical development while still acknowledging the need for additional funding.

In summary, the payoff of the convertible notes is a positive step toward reducing debt and potential dilution, but FibroBiologics remains in a precarious financial position. The SEPA’s continued availability and the company’s heavy clinical‑development spend suggest that further capital raises may be necessary to sustain operations and achieve regulatory milestones.

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