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Bone Biologics Corp

For the period ended Dec 31, 2025. Filed Mar 2, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 2, 2026

BBLG$0.33-0.6%Stored close · as of Nov 9, 2026

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Contents

Report of Independent Registered Public Accounting Firm

To the Stockholders and Board of Directors of Bone Biologics Corporation

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of Bone Biologics Corporation (the “Company”) as of December 31, 2025 and 2024, the related consolidated statements of operations, stockholders’ equity, and cash flows for the years then ended, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2025 and 2024, and the results of its operations and its cash flows for the years then ended in conformity with accounting principles generally accepted in the United States of America.

Going Concern

The accompanying financial statements have been prepared assuming that the Company will continue as a going concern. As discussed in Note 1 to the financial statements, during the year ended December 31, 2024, the Company incurred a net loss of $3.1 million and used cash in operating activities of $2.7 million. These conditions raise substantial doubt about the Company’s ability to continue as a going concern. Management’s plans in regard to these matters are also described in Note 1. The financial statements do not include any adjustments that might result from the outcome of this uncertainty.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the Public Accounting Oversight Board (United States) (“PCAOB”) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audits we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of a critical audit matter does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Accounting for June 2025 Public Offering and Equity Classification of Warrants

As described in Note 6 to the consolidated financial statements, in June 2025 the Company entered into a Securities Purchase Agreement and completed a public offering of common stock, pre-funded warrants, and warrants, resulting in net proceeds of approximately $4.4 million. The Company evaluated the terms of the pre-funded warrants and warrants under ASC 815, including the scope exception in ASC 815-40, and concluded the instruments qualified for equity classification.

We identified the evaluation of the warrant terms and the related accounting classification as a critical audit matter because auditing management’s analysis involved especially challenging auditor judgment in assessing multiple tranches of warrants with differing exercise prices and features, and in applying the complex guidance in ASC 815-40 to determine whether the instruments met the criteria for equity classification rather than liability treatment.

The primary procedures we performed to address this critical audit matter included, among others:

We obtained and read the Securities Purchase Agreement and all related warrant agreements and evaluated the key contractual terms, including exercise prices, expiration dates and settlement provisions.

We evaluated management’s accounting analysis and assessed the appropriateness of the equity classification conclusion by reference to the criteria in ASC 815-40.

We recalculated the allocation of proceeds and evaluated the related financial statement disclosures.

We have served as the Company’s auditor since 2017.

/s/Weinberg & Company, P.A.

Los Angeles, California

March 2, 2026

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