Welcome to our dedicated page for Lexeo Therapeutics SEC filings (Ticker: LXEO), 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.
The Lexeo Therapeutics, Inc. (LXEO) SEC filings page on Stock Titan aggregates the company’s public regulatory documents from the U.S. Securities and Exchange Commission, with AI-powered tools to help interpret key disclosures. As a Nasdaq-listed, clinical stage genetic medicine company, Lexeo uses filings such as Forms 8-K, 10-Q, and 10-K to report material events, financial results, and risk factors related to its gene therapy programs and corporate activities.
In its 8-K filings, Lexeo has reported items such as quarterly financial results, equity financings through underwritten public offerings and concurrent private placements, material definitive agreements like underwriting and securities purchase agreements, and registration rights agreements related to pre-funded warrants. The company also uses 8-Ks to furnish press releases that provide interim clinical and regulatory updates for its lead programs, LX2006 in Friedreich ataxia (FA) cardiomyopathy and LX2020 in PKP2-associated arrhythmogenic cardiomyopathy.
Filings also describe Lexeo’s interactions with the FDA, including feedback on potential accelerated approval pathways, participation of LX2006 in the Chemistry, Manufacturing, and Controls Development and Readiness Pilot program, and regulatory designations such as Breakthrough Therapy, RMAT, Orphan Drug, Rare Pediatric Disease, and Fast Track. Corporate governance matters, executive appointments, compensation arrangements, and stockholder meeting results are likewise documented in SEC reports.
On Stock Titan, investors can review these filings alongside AI-generated highlights that summarize complex sections, helping to identify information on clinical development plans, capital structure changes, and other material disclosures. Real-time updates from EDGAR, combined with structured access to forms such as 10-K annual reports, 10-Q quarterly reports, and 8-K current reports, support deeper analysis of Lexeo’s regulatory and financial reporting history.
Lexeo Therapeutics (LXEO) furnished an 8-K announcing it issued a press release with business highlights and financial results for the three and nine months ended September 30, 2025. The press release is provided as Exhibit 99.1 and incorporated by reference. The company states the information under Item 2.02 and Exhibit 99.1 is being furnished and shall not be deemed filed under the Exchange Act. LXEO’s common stock trades on the Nasdaq Global Market.
Lexeo Therapeutics (LXEO) insider filing: the Chief Development Officer reported equity transactions on a Form 4. On 10/15/2025, the officer acquired 10,890 shares of Common Stock at $0, reflecting the release of RSUs. On 10/17/2025, the officer sold 3,844 shares at a weighted average price of $8.935 (executed between $8.53 and $9.52) and 44 shares at a weighted average price of $9.561 (executed between $9.53 and $9.59). The filing states the sales were to cover tax obligations upon RSU release. Following these transactions, the officer beneficially owned 65,862 shares directly, which includes 49,138 RSUs, each representing a right to receive one share.
Lexeo Therapeutics (LXEO) insider activity: the Chief Legal Officer reported acquiring 9,900 shares of common stock on 10/15/2025 at $0, and selling shares to cover tax obligations on released RSUs.
On 10/17/2025, the officer sold 3,486 shares at a weighted average price of $8.935 (trades ranged from $8.53 to $9.52) and 40 shares at a weighted average price of $9.561 (trades ranged from $9.53 to $9.59). Following these transactions, beneficial ownership was 68,930 shares, which includes 51,092 RSUs, with each RSU representing a right to one share.
Lexeo Therapeutics (LXEO): insider transaction disclosed. The company’s Chief Technical Officer filed a Form 4 showing 5,940 shares of common stock acquired on 10/15/2025 at a price of $0. Following this, sales on 10/17/2025 totaled 2,091 shares at a weighted average price of $8.935 and 24 shares at a weighted average price of $9.561, with both ranges detailed in the notes. The filing states the sales represent shares sold to cover tax obligations on the release of RSUs.
After these transactions, the reporting person beneficially owned 64,197 shares directly, which includes 49,687 RSUs, each representing a contingent right to one share of common stock.
Lexeo Therapeutics (LXEO) reported insider activity by its Chief Medical Officer on a Form 4. On 10/15/2025, 9,570 shares of Common Stock were acquired at $0 upon the release of Restricted Stock Units. On 10/17/2025, the officer sold 3,344 shares at a weighted average price of $8.935 and 38 shares at a weighted average price of $9.561; the filing states these sales were to cover tax obligations related to the RSU release.
After the transactions, beneficial ownership was 73,261 shares, which includes 60,546 RSUs.
Lexeo Therapeutics (LXEO) reported insider activity by its Chief Executive Officer and Director. On 10/15/2025, the reporting person acquired 33,000 shares of Common Stock at $0 upon RSU release. On 10/17/2025, shares were sold to cover taxes in open market transactions: 12,985 shares at a weighted average price of $8.935 and 148 shares at a weighted average price of $9.561. Following these transactions, beneficial ownership stands at 242,118 shares, which includes 131,092 RSUs, held directly.
Lexeo Therapeutics priced a public offering of 15,625,000 common shares at $8.00 per share, with underwriters purchasing at $7.52. The company granted a 30‑day option for up to 2,343,750 additional shares. Gross proceeds are expected to be approximately $125 million before fees, with closing targeted for October 20, 2025.
Separately, Lexeo agreed to sell 1,250,015 pre‑funded warrants in a private placement for approximately $10 million; the warrants are immediately exercisable at $0.0001 per share and include a 9.99% beneficial ownership cap, adjustable up to 19.99%. As of September 30, 2025, the company estimated $122.8 million in cash, cash equivalents and investments.
Clinical updates: for LX2006, the FDA indicated openness to an accelerated approval BLA using pooled Phase I/II and pivotal data, contingent on enhanced comparability and nonclinical requirements. For LX2020, nine participants have been dosed; the program has been generally well tolerated with one Grade 3 serious adverse event possibly treatment related. Additional safety and efficacy data are expected in January 2026.
Lexeo Therapeutics (Nasdaq: LXEO) launched a primary offering of 15,625,000 shares of common stock at $8.00 per share, generating gross proceeds of $125.0 million, less $0.48 per share in underwriting discounts. The company also entered a concurrent private placement of pre-funded warrants to purchase 1,250,015 shares for approximately $10.0 million at $7.9999 per warrant. The underwriters have a 30-day option to purchase up to 2,343,750 additional shares at the public price, less discounts.
Lexeo estimates net proceeds of approximately $126.2 million from the offering and concurrent private placement, or approximately $143.8 million if the option is exercised in full, to support operations and development plans. As context, cash, cash equivalents and investments were $122.8 million as of September 30, 2025. Shares outstanding were 54,001,214 as of June 30, 2025.
Lexeo Therapeutics (LXEO) filed a preliminary prospectus supplement for a primary offering of common stock and pre-funded warrants. The pre-funded warrants carry a $0.0001 exercise price, do not expire, and are offered in lieu of shares to certain investors subject to 4.99% or 9.99% beneficial ownership limits. The filing includes a 30‑day underwriters’ option to purchase additional shares.
A concurrent private placement is contemplated with Balyasny Asset Management at the public offering price, contingent on the closing of this offering. Lexeo’s common stock last closed at $8.83 on October 15, 2025, and 54,001,214 shares were outstanding as of June 30, 2025.
Operational updates: the company reported preliminary cash, cash equivalents and investments of $122.8 million as of September 30, 2025. For LX2006 (FA cardiomyopathy), the FDA indicated openness to an accelerated approval BLA using pooled data with enhanced manufacturing comparability for the planned pivotal study. LX2020 (PKP2-ACM) has dosed nine participants across dose cohorts with ongoing safety and efficacy assessments.
Lexeo Therapeutics, Inc. reported regulatory updates and clinical progress for its gene therapy candidate LX2006 for Friedreich ataxia cardiomyopathy. The company received FDA feedback on key components of a potential accelerated approval pathway for LX2006 and highlighted positive interim Phase 1/2 clinical data in this indication. On October 7, 2025, Lexeo issued a press release detailing these developments and scheduled a conference call and webcast at 8:00 a.m. ET the same day to discuss the regulatory updates and interim data. The corporate presentation and press release are furnished as exhibits to provide more detail on the program and pathway.
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