0001967940-23-000048.txt : 20231101 0001967940-23-000048.hdr.sgml : 20231101 20231101172612 ACCESSION NUMBER: 0001967940-23-000048 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231101 DATE AS OF CHANGE: 20231101 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Achilles Therapeutics plc CENTRAL INDEX KEY: 0001830749 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 000000000 STATE OF INCORPORATION: X0 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-40299 FILM NUMBER: 231369301 BUSINESS ADDRESS: STREET 1: 245 HAMMERSMITH ROAD CITY: LONDON STATE: X0 ZIP: W6 8PW BUSINESS PHONE: 44 (0)20 8154 4600 MAIL ADDRESS: STREET 1: 245 HAMMERSMITH ROAD CITY: LONDON STATE: X0 ZIP: W6 8PW FORMER COMPANY: FORMER CONFORMED NAME: Achilles Therapeutics Ltd DATE OF NAME CHANGE: 20201030 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Peggs Karl Stuart Dr CENTRAL INDEX KEY: 0001974794 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: 245 HAMMERSMITH ROAD CITY: LONDON STATE: X0 ZIP: W68PW 144 1 primary_doc.xml 144 0001974794 XXXXXXXX LIVE 0001830749 Achilles Therapeutics plc 001-40299 245 HAMMERSMITH ROAD LONDON MN W6 8PW 44 (0)20 8154 4600 Peggs Karl Stuart Dr Officer ADS Piper Sandler & Co

800 Nicollet Mall, Ste 900 Minneapolis MN 55402

35000 30100.00 40950000 11/01/2023 NASDAQ ADSs 05/24/2016 Vested RSU's Issuer N 1323 05/24/2016 Compensation ADS's 01/01/2018 Vested RSU's Issuer N 5865 01/01/2018 Compensation Ads's 01/01/2019 Vested RSU's Issuer N 23467 01/01/2019 Compensation ADS's 01/01/2020 Vested RSU's Issuer N 4345 01/01/2020 Compensation N Carl Stuart Peggs

C/O Achilles Therapeutics Plc 245 Hammersmith Road London X0 W6 8PW

ADSs 08/17/2023 35000 31913.00 11/01/2023 05/19/2023 /s/ Linda Moran, as a duly authorized representative of Piper Sandler & Co Corporate & Venture Services FA, as attorney-in-fact for Karl Stuart Peggs