Filing Details

Accession Number:
0000950170-25-020474
Form Type:
13G Filing
Publication Date:
2025-02-13 19:00:00
Filed By:
Omega Fund VI, L.P.
Company:
Lexeo Therapeutics Inc.
Filing Date:
2025-02-14
SEC Url:
13G Filing
Ownership Summary

Please notice the below summary table is generated without human intervention and may contain errors. Please refer to the complete filing displayed below for exact figures.

Name Beneficially Owned Number of Shares Beneficially Owned Number of Aggregate Shares Percent of Class
Omega Fund VI, L.P. 0 1,184,636 3.6%
Omega Fund VI GP, L.P. 0 1,184,636 3.6%
Omega Fund VI GP Manager, Ltd. 0 1,184,636 3.6%
Claudio Nessi 0 1,184,636 3.6%
Otello Stampacchia 0 1,184,636 3.6%
Francesco Draetta 0 1,184,636 3.6%
Filing





Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Checkbox not checked   Rule 13d-1(b)
Checkbox not checked   Rule 13d-1(c)
Checkbox checked   Rule 13d-1(d)






SCHEDULE 13G



Comment for Type of Reporting Person:  This Schedule 13G is filed by Omega Fund VI, L.P. ("Omega Fund"), Omega Fund VI GP, L.P. ("Omega GP"), Omega Fund VI GP Manager, Ltd. ("Omega Ltd"), Claudio Nessi ("Nessi"), Otello Stampacchia ("Stampacchia"), and Francesco Draetta ("Draetta") (together, the "Reporting Persons"). Omega Ltd serves as the general partner of Omega GP, which serves as the general partner of Omega Fund; and each of Omega Ltd and Omega GP may be deemed to own beneficially the shares held by Omega Fund. Nessi, Stampacchia, and Draetta are the directors of Omega Ltd and may be deemed to beneficially own the shares held by Omega Fund. The Reporting Persons may be deemed a "group" for purposes of Section 13 of the Exchange Act and expressly disclaim status as a "group" for purposes of this Schedule 13G. The reported percentages are based on 33,065,947 shares of common stock outstanding as of November 12, 2024, as set forth in the Issuer's Quarterly Report on 10-Q for the period ended September 30, 2024, filed with the Securities and Exchange Commission on November 13, 2024.


SCHEDULE 13G



Comment for Type of Reporting Person:  This Schedule 13G is filed by Omega Fund VI, L.P. ("Omega Fund"), Omega Fund VI GP, L.P. ("Omega GP"), Omega Fund VI GP Manager, Ltd. ("Omega Ltd"), Claudio Nessi ("Nessi"), Otello Stampacchia ("Stampacchia"), and Francesco Draetta ("Draetta") (together, the "Reporting Persons"). Omega Ltd serves as the general partner of Omega GP, which serves as the general partner of Omega Fund; and each of Omega Ltd and Omega GP may be deemed to own beneficially the shares held by Omega Fund. Nessi, Stampacchia, and Draetta are the directors of Omega Ltd and may be deemed to beneficially own the shares held by Omega Fund. The Reporting Persons may be deemed a "group" for purposes of Section 13 of the Exchange Act and expressly disclaim status as a "group" for purposes of this Schedule 13G. The reported percentages are based on 33,065,947 shares of common stock outstanding as of November 12, 2024, as set forth in the Issuer's Quarterly Report on 10-Q for the period ended September 30, 2024, filed with the Securities and Exchange Commission on November 13, 2024.


SCHEDULE 13G



Comment for Type of Reporting Person:  This Schedule 13G is filed by Omega Fund VI, L.P. ("Omega Fund"), Omega Fund VI GP, L.P. ("Omega GP"), Omega Fund VI GP Manager, Ltd. ("Omega Ltd"), Claudio Nessi ("Nessi"), Otello Stampacchia ("Stampacchia"), and Francesco Draetta ("Draetta") (together, the "Reporting Persons"). Omega Ltd serves as the general partner of Omega GP, which serves as the general partner of Omega Fund; and each of Omega Ltd and Omega GP may be deemed to own beneficially the shares held by Omega Fund. Nessi, Stampacchia, and Draetta are the directors of Omega Ltd and may be deemed to beneficially own the shares held by Omega Fund. The Reporting Persons may be deemed a "group" for purposes of Section 13 of the Exchange Act and expressly disclaim status as a "group" for purposes of this Schedule 13G. The reported percentages are based on 33,065,947 shares of common stock outstanding as of November 12, 2024, as set forth in the Issuer's Quarterly Report on 10-Q for the period ended September 30, 2024, filed with the Securities and Exchange Commission on November 13, 2024.


SCHEDULE 13G



Comment for Type of Reporting Person:  This Schedule 13G is filed by Omega Fund VI, L.P. ("Omega Fund"), Omega Fund VI GP, L.P. ("Omega GP"), Omega Fund VI GP Manager, Ltd. ("Omega Ltd"), Claudio Nessi ("Nessi"), Otello Stampacchia ("Stampacchia"), and Francesco Draetta ("Draetta") (together, the "Reporting Persons"). Omega Ltd serves as the general partner of Omega GP, which serves as the general partner of Omega Fund; and each of Omega Ltd and Omega GP may be deemed to own beneficially the shares held by Omega Fund. Nessi, Stampacchia, and Draetta are the directors of Omega Ltd and may be deemed to beneficially own the shares held by Omega Fund. The Reporting Persons may be deemed a "group" for purposes of Section 13 of the Exchange Act and expressly disclaim status as a "group" for purposes of this Schedule 13G. The reported percentages are based on 33,065,947 shares of common stock outstanding as of November 12, 2024, as set forth in the Issuer's Quarterly Report on 10-Q for the period ended September 30, 2024, filed with the Securities and Exchange Commission on November 13, 2024.


SCHEDULE 13G



Comment for Type of Reporting Person:  This Schedule 13G is filed by Omega Fund VI, L.P. ("Omega Fund"), Omega Fund VI GP, L.P. ("Omega GP"), Omega Fund VI GP Manager, Ltd. ("Omega Ltd"), Claudio Nessi ("Nessi"), Otello Stampacchia ("Stampacchia"), and Francesco Draetta ("Draetta") (together, the "Reporting Persons"). Omega Ltd serves as the general partner of Omega GP, which serves as the general partner of Omega Fund; and each of Omega Ltd and Omega GP may be deemed to own beneficially the shares held by Omega Fund. Nessi, Stampacchia, and Draetta are the directors of Omega Ltd and may be deemed to beneficially own the shares held by Omega Fund. The Reporting Persons may be deemed a "group" for purposes of Section 13 of the Exchange Act and expressly disclaim status as a "group" for purposes of this Schedule 13G. The reported percentages are based on 33,065,947 shares of common stock outstanding as of November 12, 2024, as set forth in the Issuer's Quarterly Report on 10-Q for the period ended September 30, 2024, filed with the Securities and Exchange Commission on November 13, 2024.


SCHEDULE 13G



Comment for Type of Reporting Person:  This Schedule 13G is filed by Omega Fund VI, L.P. ("Omega Fund"), Omega Fund VI GP, L.P. ("Omega GP"), Omega Fund VI GP Manager, Ltd. ("Omega Ltd"), Claudio Nessi ("Nessi"), Otello Stampacchia ("Stampacchia"), and Francesco Draetta ("Draetta") (together, the "Reporting Persons"). Omega Ltd serves as the general partner of Omega GP, which serves as the general partner of Omega Fund; and each of Omega Ltd and Omega GP may be deemed to own beneficially the shares held by Omega Fund. Nessi, Stampacchia, and Draetta are the directors of Omega Ltd and may be deemed to beneficially own the shares held by Omega Fund. The Reporting Persons may be deemed a "group" for purposes of Section 13 of the Exchange Act and expressly disclaim status as a "group" for purposes of this Schedule 13G. The reported percentages are based on 33,065,947 shares of common stock outstanding as of November 12, 2024, as set forth in the Issuer's Quarterly Report on 10-Q for the period ended September 30, 2024, filed with the Securities and Exchange Commission on November 13, 2024.


SCHEDULE 13G


 
Omega Fund VI, L.P.
 
Signature:/s/ Otello Stampacchia
Name/Title:Otello Stampacchia, Director of General Partner of General Partner
Date:02/14/2025
 
Omega Fund VI GP, L.P.
 
Signature:/s/ Otello Stampacchia
Name/Title:Otello Stampacchia, Director of General Partner
Date:02/14/2025
 
Omega Fund VI GP Manager, Ltd.
 
Signature:/s/ Otello Stampacchia
Name/Title:Otello Stampacchia, Director
Date:02/14/2025
 
Claudio Nessi
 
Signature:/s/ Otello Stampacchia
Name/Title:Otello Stampacchia, Attorney-in-Fact
Date:02/14/2025
 
Otello Stampacchia
 
Signature:/s/ Otello Stampacchia
Name/Title:Otello Stampacchia
Date:02/14/2025
 
Francesco Draetta
 
Signature:/s/ Otello Stampacchia
Name/Title:Otello Stampacchia, Attorney-in-Fact
Date:02/14/2025