Welcome to our dedicated page for Eledon Pharmaceuticals SEC filings (Ticker: ELDN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Clinical-stage biotechnology companies like Eledon Pharmaceuticals generate SEC filings that reveal cash burn rates, trial expenses, and financing activities critical to understanding their runway. For a pre-revenue company developing tegoprubart, these regulatory documents tell the story of how capital flows into drug development.
Eledon's 10-Q quarterly reports detail research and development spending, which constitutes the majority of operating expenses for clinical-stage biotechs. These filings break down trial costs, manufacturing expenses for drug supply, and general administrative overhead. Tracking R&D expense trends across quarters shows how actively the company is investing in tegoprubart's development.
The 10-K annual report provides a comprehensive view of Eledon's clinical pipeline status, intellectual property position, and risk factors specific to CD40L pathway development. The management discussion section explains trial progress and strategic priorities, while the financial statements reveal the full-year cash consumption that determines how long the company can operate before needing additional funding.
Form 8-K filings capture material events between quarterly reports: clinical data announcements, securities offerings, and material agreements. For Eledon, 8-K filings often accompany stock offerings, investor presentations with trial updates, or partnership announcements that affect company valuation.
Prospectus supplements (424B5 filings) document the terms of equity raises, showing share counts, pricing, and warrant structures that affect existing shareholders. Our AI summaries explain dilution calculations and offering mechanics in plain language.
Form 4 insider transaction reports track when executives and directors buy or sell ELDN shares. In biotechnology, insider purchases before clinical data readouts can signal management confidence, while sales may reflect diversification or liquidity needs.
Access Eledon's complete SEC filing history with AI-powered explanations that translate complex biotech disclosures into actionable insights for investors monitoring this transplant immunology company.
Eledon Pharmaceuticals reports a Q3 2025 net loss of $17.5 million, driven by $19.1 million of operating expenses, mainly research and development on its lead anti-CD40L antibody tegoprubart. For the first nine months of 2025, the net loss was $35.2 million on $61.8 million of operating expenses, reflecting heavier R&D investment versus 2024.
At September 30, 2025, Eledon held $3.7 million in cash and cash equivalents and $89.7 million in short-term investments, for total liquid resources of $93.4 million and working capital of $82.0 million. Management believes this is sufficient to fund planned operations for at least 12 months from the filing date, while noting that additional financing will be needed to support longer-term plans.
Warrant liabilities declined to $21.9 million from $44.9 million at year-end 2024, producing a $22.9 million non-cash gain over nine months. The company also restated prior financial statements to treat its Series X and X1 non-voting convertible preferred stock as a separate class for earnings per share and to classify it as temporary equity due to certain contingent redemption features.
Eledon Pharmaceuticals announced an underwritten public offering of 15,152,485 shares of common stock at $1.65 per share and pre-funded warrants priced at $1.649 each, exercisable for up to 15,151,515 shares at an exercise price of $0.001 per share.
The underwriters have a 30‑day option to purchase up to 4,545,600 additional shares. Estimated net proceeds to the company are approximately $46.5 million, or $53.6 million if the option is exercised in full. Closing is expected on November 13, 2025, subject to customary conditions. Eledon plans to use proceeds to support continued clinical development, advance pipeline programs, and for general corporate purposes.
Certain officers and directors agreed to 60‑day lock‑ups from November 12, 2025. Pre‑funded warrants include a beneficial ownership cap of 4.99% (or 9.99% at holder election), adjustable with 61 days’ notice, not to exceed 19.99% to comply with Nasdaq rules.
Eledon Pharmaceuticals (ELDN) launched a primary offering of 15,152,485 shares and pre‑funded warrants to purchase up to 15,151,515 shares. The public offering price is $1.65 per share and $1.649 per pre‑funded warrant, with warrant exercise price of $0.001 per share. Gross proceeds are $49,986,448, less $3,000,096 in underwriting discounts, for proceeds to the company of $46,986,352 before expenses. The underwriters have a 30‑day option to buy up to 4,545,600 additional shares.
The company estimates net proceeds of approximately $46.5 million (or about $53.6 million if the option is fully exercised), to fund continued clinical development and general corporate purposes. Pre‑funded warrants are not listed and include a 4.99% (or 9.99% at holder’s election) beneficial ownership cap. Shares outstanding were 59,881,775 as of June 30, 2025; this is a baseline figure, not the amount being offered.
Eledon Pharmaceuticals (ELDN) filed a preliminary prospectus supplement for a primary offering of common stock and, in lieu of shares to certain investors, pre-funded warrants. Each pre-funded warrant will be priced at the share offering price minus $0.001 and carries a $0.001 per‑share exercise price. Leerink Partners and Cantor are joint bookrunning managers, and the underwriters have a 30‑day option to purchase additional shares. The pre-funded warrants will not be listed. ELDN’s common stock trades on Nasdaq; the last reported price was $2.25.
The company highlighted topline Phase 2 BESTOW data in kidney transplantation: tegoprubart showed 12‑month eGFR of ~69 mL/min/1.73 m² (n=51) versus 66 for tacrolimus (n=56). The primary endpoint did not reach statistical significance, while a composite efficacy‑failure endpoint was 22% for tegoprubart versus 17% for tacrolimus, which the company states demonstrated non‑inferiority using a 20% margin. Safety signals favored tegoprubart on several measures, including new‑onset diabetes and tremor.
Preliminary, unaudited cash, cash equivalents and short‑term investments were approximately $93.4 million as of September 30, 2025. Net proceeds are intended to support clinical development and general corporate purposes.
Eledon Pharmaceuticals furnished an 8-K announcing an estimated $93.4 million in cash, cash equivalents, and short-term investments as of September 30, 2025. The company described this figure as unaudited, preliminary, and subject to completion of financial closing procedures and management review.
Eledon also disclosed it issued a press release with results from its Phase 2 BESTOW trial evaluating tegoprubart in de novo kidney transplant patients, and plans a conference call on November 7, 2025 to discuss updated data. The 8-K states the Item 2.02 and Item 7.01 information, including the press release, is being furnished and not filed under the Exchange Act.
Eledon Pharmaceuticals (ELDN) reported continued clinical-stage activity focused on tegoprubart, with increased clinical and manufacturing spending to support Phase 1b, Phase 2 BESTOW and a Phase 2 open-label extension. The company disclosed material risk factors including a short operating history, sustained operating losses, the need for additional financing, and potential dilution from multiple warrant and equity programs. Share structure updates and equity programs are described, including a $75.0 million ATM shelf (not yet used), recent registered and private offerings with pre-funded warrants, and designated preferred share series. The report emphasizes reliance on CROs and CMOs, regulatory and enrollment risks, and increased personnel and professional costs tied to expanded development activity.
Eledon Pharmaceuticals (ELDN) reports continued clinical-stage operations focused on tegoprubart and related development programs. The company operates as a single reporting segment with the chief executive officer as the CODM. It has incurred significant operating losses and states it will require additional funding to complete development of its lead candidate. Recent activity increased expenses: a $4.0 million rise tied to kidney transplantation programs, $0.9 million higher manufacturing costs, $0.7 million higher personnel costs and $0.7 million higher stock-based compensation. The company established an "at-the-market" equity program for up to $75.0 million (Shelf effective October 2, 2024) but has not sold shares under it as of March 31, 2025. Capital structure disclosures include 59,881,775 common shares outstanding at March 31, 2025 and several series of non-voting convertible preferred stock and pre-funded warrants outstanding.
Eledon Pharmaceuticals (ELDN) amended its Form 10-K to disclose extensive risk factors, financing arrangements, clinical development progress for tegoprubart, and accounting matters. The company reports increased R&D spending—notably a $15.5 million rise in kidney transplantation programs and higher manufacturing and personnel costs—driven by Phase 1b, Phase 2 BESTOW and Phase 2 open-label extension trials. It described equity financings including pre-funded warrants, common warrants, a 2024 offering and a $75.0 million at-the-market shelf (no shares sold under the ATM as of year-end). The filing reiterates significant liquidity needs, ongoing operating losses, potential dilution from warrant and stock issuances, regulatory and clinical risks, and certain accounting conclusions about preferred stock and warrant classification.
Date: August 6, 2025.
Eledon Pharmaceuticals, Inc. (ELDN) disclosed updated data from its ongoing Phase 1b open-label trial of tegoprubart for the prevention of organ rejection in kidney transplant patients. The results were presented at the World Transplant Congress in San Francisco, CA. The company issued a press release (attached as Exhibit 99.1) and hosted a conference call on the same date. The presentation for the call will be posted on the company investor site at https://ir.eledon.com/investor-relations prior to the call.
The filing notes that the Item 7.01 disclosure and Exhibit 99.1 are not deemed "filed" under Section 18 of the Exchange Act and are not incorporated by reference into Securities Act or Exchange Act filings unless expressly stated.
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