Sandi Mae V. See Tai's Securities Transactions in Lexeo Therapeutics, Inc.

Sandi Mae V. See Tai, an officer of Lexeo Therapeutics, Inc., reported the sale of 3,888 common shares on October 17, 2025, with an aggregate market value of $34,766.88. The shares were acquired on October 15, 2025, through the vesting of restricted stock as part of compensation. Additionally, See Tai sold 382 common shares on August 18, 2025, for $1,783.25. The sale on October 17, 2025, included an amount necessary to cover a tax obligation resulting from the settlement of the vested equity award distribution. The transactions were facilitated by Fidelity Brokerage Services LLC.