0001972481-24-000157.txt : 20240620 0001972481-24-000157.hdr.sgml : 20240620 20240620162152 ACCESSION NUMBER: 0001972481-24-000157 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240620 DATE AS OF CHANGE: 20240620 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MAXCYTE, INC. CENTRAL INDEX KEY: 0001287098 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731] ORGANIZATION NAME: 08 Industrial Applications and Services IRS NUMBER: 522210438 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-40674 FILM NUMBER: 241056551 BUSINESS ADDRESS: STREET 1: 9713 KEY WEST AVENUE, STREET 2: SUITE 400 CITY: ROCKVILLE STATE: MD ZIP: 20850 BUSINESS PHONE: 301-517-5556 MAIL ADDRESS: STREET 1: 9713 KEY WEST AVENUE, STREET 2: SUITE 400 CITY: ROCKVILLE STATE: MD ZIP: 20850 FORMER COMPANY: FORMER CONFORMED NAME: MAXCYTE INC DATE OF NAME CHANGE: 20040415 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Ross Thomas M. CENTRAL INDEX KEY: 0001874572 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O MAXCYTE, INC. STREET 2: 22 FIRSTFIELD ROAD, SUITE 110 CITY: GAITHERSBURG STATE: MD ZIP: 20878 144 1 primary_doc.xml 144 0001874572 XXXXXXXX LIVE 0001287098 MAXCYTE, INC. 001-40674 9713 KEY WEST AVENUE, SUITE 400 ROCKVILLE MD 20850 301-517-5556 Ross Thomas M. Officer Common Stock Stifel Nicolaus & Company Inc.

501 N Broadway St. Louis MO 63102

133332 587994.00 104544289 06/20/2024 NASDAQ Common Stock 01/20/2020 Option Exercise Issuer N 100000 06/20/2024 Cash Y 06/20/2024 03/19/2024 /s/ Dominick Iadicicco, as a duly authorized representative of STIFEL as attorney-in-fact for Thomas M Ross