LXEO files Form 144 to sell 3,016 common shares

LXEO notice of proposed sale of 3,016 common shares.

Rhea-AI Filing Summary

LXEO notice of proposed sale of 3,016 common shares. The filing lists 3,016 shares as "Securities To Be Sold" with an event labeled Restricted Stock Vesting dated 02/17/2026. It also shows 721 common shares sold on 11/18/2025 as a prior three‑month disposition.

Insights

Securities Compliance Analyst

TL;DR: A Form 144 records a proposed sale of 3,016 LXEO common shares tied to restricted stock vesting.

The filing lists 3,016 common shares under "Securities To Be Sold" with the transaction event described as Restricted Stock Vesting dated 02/17/2026. This indicates a holder intends to sell shares that vested on that date.

Prior activity shows 721 common shares sold on 11/18/2025. Cash‑flow treatment and purchaser details are not provided in the excerpt; subsequent filings may disclose execution details.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the LXEO Form 144 disclose about shares to be sold?

The Form 144 discloses a proposed sale of 3,016 common shares listed under "Securities To Be Sold" with an event labeled Restricted Stock Vesting dated 02/17/2026, indicating vested shares are the subject of the notice.

Does the filing show any recent LXEO share sales?

Yes. The filing shows a prior disposition of 721 common shares on 11/18/2025 recorded under "Securities Sold During The Past 3 Months." This appears as a historical sale entry in the notice.

Who is listed as the broker or intermediary in the LXEO filing?

The broker identified is Fidelity Brokerage Services LLC with an address at 900 Salem Street, Smithfield, RI; the excerpt lists this entity in the securities information section tied to the proposed sale.

Is the LXEO filing linked to compensation or vesting?

Yes. The filing describes the event as Restricted Stock Vesting dated 02/17/2026, indicating the shares listed for sale are tied to vested compensation awards rather than open‑market purchases.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/18/2026 - 03:51 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0002024096
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Lexeo Therapeutics, Inc.
SEC File Number	001-41855
Address of Issuer	345 PARK AVENUE SOUTH FLOOR 6 NEW YORK NEW YORK 10010
Phone	(212) 547-9879
Name of Person for Whose Account the Securities are To Be Sold	Otero Jose Manuel
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	3016	19293.96	72987327	02/18/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/17/2026	Restricted Stock Vesting	Issuer			3016	02/17/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Jose M. Otero 345 Park Avenue South Floor 6 New York NY 10010	Common	11/18/2025	721	6686.99

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	02/18/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Joshua Schmitt, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Jose M. Otero.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)