0001891712-26-000002.txt : 20260602 0001891712-26-000002.hdr.sgml : 20260602 20260602163017 ACCESSION NUMBER: 0001891712-26-000002 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260601 FILED AS OF DATE: 20260602 DATE AS OF CHANGE: 20260602 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Long Alison S CENTRAL INDEX KEY: 0001891712 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39536 FILM NUMBER: 261056543 MAIL ADDRESS: STREET 1: KALEIDO BIOSCIENCES, INC. STREET 2: 65 HAYDEN AVENUE CITY: LEXINGTON STATE: MA ZIP: 02421 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Taysha Gene Therapies, Inc. CENTRAL INDEX KEY: 0001806310 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences EIN: 843199512 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 3000 PEGASUS PARK DRIVE STREET 2: SUITE 1430 CITY: DALLAS STATE: TX ZIP: 75247 BUSINESS PHONE: (214) 612-0000 MAIL ADDRESS: STREET 1: 3000 PEGASUS PARK DRIVE STREET 2: SUITE 1430 CITY: DALLAS STATE: TX ZIP: 75247 4 1 form4-06022026_040612.xml X0609 4 2026-06-01 0001806310 Taysha Gene Therapies, Inc. TSHA 0001891712 Long Alison S false C/O TAYSHA GENE THERAPIES, INC. 3000 PEGASUS PARK DRIVE, SUITE 1430 DALLAS TX 75247 true false false false 0 Common Stock 2026-06-01 4 A 0 21335 0 A 127178 D Stock Option (right to buy) 5.97 2026-06-01 4 A 0 42671 0 A 2036-06-01 Common Stock 42671 42671 D Represents a restricted stock unit ("RSU") award. The RSUs will vest on the earlier of June 1, 2027 or the next annual stockholders meeting, subject to the Reporting Person's continued service as a director through the applicable vesting date. The shares vest on the earlier of June 1, 2027 or the next annual stockholders meeting, subject to the Reporting Person's continued service as a director through the applicable vesting date. /s/ Kamran Alam, Attorney-in-Fact 2026-06-02