LXEO: Tamayo Louis Edward discloses securities transactions

By AlphaYouPublished Sep 28, 2026Form 4

Stocks in this disclosure

Reported activity

Tamayo Louis Edward

Reporting filer

Tamayo Louis Edward reported Grant or award in Lexeo Therapeutics, Inc.: 54750 units of Stock Option (right to buy) (derivative), dated 2026-09-24. The full Form 4 contains 1 transaction entry.

Disclosed: Sep 28, 2026

Reported details

1 entry

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
Stock Option (right to buy) (derivative)	Tamayo Louis Edward	2026-09-24	A	Grant or award	54750	0	54,750	4 days	Filed terms security Title: Stock Option (right to buy) conversion Or Exercise Price: 3.39 transaction Date: 2026-09-24 transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Shares: 54750 transaction Price Per Share: 0 transaction Acquired Disposed Code: A id: F1 expiration Date: 2036-09-23 underlying Security Title: Common Stock underlying Security Shares: 54750 shares Owned Following Transaction: 54750 direct Or Indirect Ownership: D nature Of Ownership:

Stock Option (right to buy) (derivative)

Owner: Tamayo Louis Edward
Date: 2026-09-24
Code: A
Action: Grant or award
Quantity: 54750
Price: 0
Following holdings: 54,750
Reporting delay: 4 days
Filed terms and references: Filed terms
security Title: Stock Option (right to buy)
conversion Or Exercise Price: 3.39
transaction Date: 2026-09-24
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Shares: 54750
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F1
expiration Date: 2036-09-23
underlying Security Title: Common Stock
underlying Security Shares: 54750
shares Owned Following Transaction: 54750
direct Or Indirect Ownership: D
nature Of Ownership:

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
Tamayo Louis Edward: Chief Financial Officer.
F1: 25% of the shares underlying the option vest and become exercisable on September 24, 2027, and 1/48th of the shares underlying the option shall vest in monthly installments thereafter, subject to the Reporting Person's continuous service.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

Stock Option (right to buy) (derivative)

Tamayo Louis Edward

2026-09-24

Grant or award

54750

54,750

4 days

Filed terms

security Title: Stock Option (right to buy)
conversion Or Exercise Price: 3.39
transaction Date: 2026-09-24
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Shares: 54750
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F1
expiration Date: 2036-09-23
underlying Security Title: Common Stock
underlying Security Shares: 54750
shares Owned Following Transaction: 54750
direct Or Indirect Ownership: D
nature Of Ownership:

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

Tamayo Louis Edward: Chief Financial Officer.

F1: 25% of the shares underlying the option vest and become exercisable on September 24, 2027, and 1/48th of the shares underlying the option shall vest in monthly installments thereafter, subject to the Reporting Person's continuous service.