LXEO files Rule 144 notice for 3,342 vested shares

LXEO notice under Rule 144 reporting proposed sale of 3,342 shares of common stock tied to restricted stock vesting on 05/15/2026.

Accepted by SEC EDGAR 05/18/2026 - 03:41 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

LXEO notice under Rule 144 reporting proposed sale of 3,342 shares of common stock tied to restricted stock vesting on 05/15/2026. The filing also lists a prior sale of 10,173 shares by Richard N. Townsend on 02/18/2026.

Insights

Equity Compliance Analyst

Rule 144 notice lists a proposed resale tied to vested compensation shares.

The filing records 3,342 shares associated with restricted stock vesting on 05/15/2026, submitted under Rule 144 procedures. It provides transaction dates and a prior sale of 10,173 shares on 02/18/2026.

Cash‑flow treatment and buyer details are not stated; subsequent sale activity will depend on holder execution and compliance with Rule 144 conditions.

Key Figures

Shares listed for resale/vesting: 3,342 shares Prior shares sold: 10,173 shares Filing date present in excerpt: 05/18/2026

3 metrics

Shares listed for resale/vesting 3,342 shares Restricted Stock Vesting on 05/15/2026

Prior shares sold 10,173 shares Sale by Richard N. Townsend on 02/18/2026

Filing date present in excerpt 05/18/2026 Filer / issuer information entry date

Key Terms

Rule 144, Restricted Stock Vesting, Compensation

3 terms

Rule 144 regulatory

"Securities To Be Sold section shows Rule 144 style notice"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vesting financial

"Common | 05/15/2026 | Restricted Stock Vesting | Issuer"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Compensation financial

"3342 | 05/15/2026 | Compensation"

FAQ

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

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

It reports 3,342 shares of common stock tied to restricted stock vesting on 05/15/2026. The entry is filed as a Rule 144 notice and lists the shares as compensation‑related vesting.

Who previously sold LXEO shares in the filing and when?

The filing lists a prior sale by Richard N. Townsend of 10,173 shares on 02/18/2026. That transaction is shown in the 'Securities Sold During The Past 3 Months' section.

Does the Form 144 disclose proceeds or buyers for the LXEO shares?

No proceeds or buyer identities are disclosed in the provided excerpt. The filing identifies the number of shares, vesting date, and transaction dates only.

What is the nature of the 3,342 LXEO shares listed in the filing?

Those 3,342 shares are recorded as Restricted Stock Vesting and are labeled under Compensation, indicating they arise from an equity compensation vesting event.

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

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

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	0001995218
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	Townsend Richard Nolan
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
Relationship to Issuer	Director

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	3342	16926.90	78521634	05/18/2026	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	05/15/2026	Restricted Stock Vesting	Issuer			3342	05/15/2026	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
Richard N. Townsend 345 Park Avenue South Floor 6 New York NY 10010	Common	02/18/2026	10173	64921.03

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	05/18/2026
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 Richard N. Townsend.
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)