Lexeo Therapeutics Inc SEC Filings

Lexeo Therapeutics, Inc. reported an insider stock sale by its Chief Medical Officer. On 11/18/2025, the officer sold 615 shares of common stock at a weighted average price of $9.27 per share, coded as a sale transaction. The company notes this sale was made to cover tax obligations related to the release of restricted stock units.

After this transaction, the officer beneficially owned 72,646 shares of Lexeo common stock, which includes 58,866 restricted stock units. The filing confirms this was a Form 4 filed by a single reporting person in the capacity of an officer.

Lexeo Therapeutics, Inc. (LXEO)11/18/2025, the officer sold 386 shares of common stock at a weighted average price of $9.27 per share. The company notes this was a sale to cover tax obligations arising from the release of restricted stock units (RSUs), rather than an open-market discretionary sale.

After this transaction, the officer beneficially owned 65,476 shares of Lexeo common stock, which the filing states includes 48,098 RSUs. The sale price resulted from multiple trades executed in a price range from $9.09 to $9.37 per share.

Lexeo Therapeutics (LXEO) Chief Legal Officer Form 4 filing reports a small insider sale tied to tax obligations. On 11/18/2025, the officer sold 549 shares of common stock in a sale to cover taxes due upon the release of restricted stock units. The weighted average sale price was $9.27 per share, based on multiple trades between $9.09 and $9.37.

After this transaction, the officer beneficially owns 68,381 shares of Lexeo Therapeutics common stock, which includes 49,607 restricted stock units. The filing states that detailed trade‑by‑trade pricing information will be provided upon request to the SEC staff, the company, or any security holder.

Lexeo Therapeutics, Inc. (LXEO) reported an insider transaction by its Chief Technical Officer on a Form 4. The officer sold 721 shares of common stock on 08/18/2025 at a weighted average price of $9.27 per share. The sale was made to cover tax obligations arising from the release of restricted stock units (RSUs). After this transaction, the officer beneficially owned 63,476 shares of Lexeo common stock, which includes 47,733 RSUs.

Lexeo Therapeutics (LXEO) filed a resale registration covering up to 1,250,015 shares of common stock. The shares are issuable upon exercise of outstanding pre-funded warrants held by a single selling stockholder and may be sold from time to time by that holder.

Lexeo is not selling any shares in this filing and will not receive proceeds from the selling stockholder’s sales. The company would receive nominal cash equal to the $0.0001 per-share exercise price only if the pre-funded warrants are exercised for cash; the warrants may also be exercised on a cashless basis under certain conditions.

The pre-funded warrants were issued in an October 2025 private placement at $7.9999 per warrant for aggregate proceeds of approximately $10 million. They are exercisable at any time, subject to a 9.99% beneficial ownership limit that the holder may reset up to 19.99% effective 61 days after notice. LXEO’s common stock trades on Nasdaq under “LXEO,” with a last quoted sale price of $8.35 on November 4, 2025.

Lexeo Therapeutics (LXEO) filed a Form S-8 to register 2,000,000 shares of common stock reserved for issuance under the 2025 Inducement Equity Incentive Plan. The plan is intended for equity awards granted as hiring inducements outside stockholder-approved plans.

This is an administrative registration to facilitate future employee equity awards, not a public offering. The filing includes customary legal opinions and consents.

Lexeo Therapeutics (LXEO) reported Q3 2025 results with a net loss of $20.3 million (basic and diluted $0.33 per share). Operating expenses were $21.6 million, driven by $15.7 million in research and development and $6.0 million in general and administrative costs. Other income reflected $1.5 million of interest income.

As of September 30, 2025, cash, cash equivalents and investments in U.S. Treasury securities totaled $122.8 million (cash and cash equivalents $41.0 million; current Treasuries $81.8 million). Management estimates these resources are sufficient to fund operations for at least 12 months from the issuance date. The company received net proceeds of $73.1 million from a May 2025 private placement during the period, and subsequently added $143.9 million of estimated net proceeds in October 2025 financing transactions. An at-the-market program for up to $75.0 million was in place with no sales through quarter end. Shares outstanding were 72,987,327 as of November 3, 2025.

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.