LXEO Form 144: 3,861 Common Shares Reported

LXEO submitted a Form 144 reporting the proposed sale of 3,861 common shares tied to restricted stock vesting on 02/17/2026.

Rhea-AI Filing Summary

LXEO submitted a Form 144 reporting the proposed sale of 3,861 common shares tied to restricted stock vesting on 02/17/2026. The filing lists Fidelity Brokerage Services LLC as a broker/firm with a trade date of 02/18/2026 and indicates NASDAQ as the market.

FAQ

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

What does LXEO's Form 144 report?

The filing reports a proposed sale of 3,861 common shares related to restricted stock vesting on 02/17/2026. It lists Fidelity Brokerage Services LLC as the broker and references NASDAQ with a trade date of 02/18/2026.

Who is listed as the broker on the LXEO Form 144?

Fidelity Brokerage Services LLC is named as the broker/firm on the filing. The entry shows the firm address and a trade-related date of 02/18/2026 in connection with the reported securities transaction.

What type of securities and transaction are shown for LXEO?

The filing concerns common shares and identifies the reason as restricted stock vesting with an issuer designation. The vesting date recorded is 02/17/2026, and the file references proposed sale activity.

Which market is indicated for the reported LXEO shares?

The filing specifies NASDAQ as the market for the transaction and lists a broker trade-related date of 02/18/2026. The document does not state execution details beyond those entries.

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

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Accepted by SEC EDGAR 02/18/2026 - 03:34 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	0002009350
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	See Tai Sandi
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	3861	24684.14	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			3861	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
Sandi Mae V. See Tai 345 Park Avenue South Floor 6 New York NY 10010	Common	11/18/2025	386	3580.00

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/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Sandi Mae V. See Tai
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)