0001209191-23-039486.txt : 20230623 0001209191-23-039486.hdr.sgml : 20230623 20230623174127 ACCESSION NUMBER: 0001209191-23-039486 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230622 FILED AS OF DATE: 20230623 DATE AS OF CHANGE: 20230623 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Al-Wakeel Yasir B. CENTRAL INDEX KEY: 0001650691 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40674 FILM NUMBER: 231038900 MAIL ADDRESS: STREET 1: MERRIMACK PHARMACEUTICALS, INC. STREET 2: ONE KENDALL SQUARE, SUITE B7201 CITY: CAMBRIDGE STATE: MA ZIP: 02139 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MAXCYTE, INC. CENTRAL INDEX KEY: 0001287098 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731] IRS NUMBER: 522210438 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 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 4 1 doc4.xml FORM 4 SUBMISSION X0407 4 2023-06-22 0 0001287098 MAXCYTE, INC. MXCT 0001650691 Al-Wakeel Yasir B. C/O MAXCYTE, INC. 9713 KEY WEST AVENUE, SUITE 400 ROCKVILLE MD 20850 1 0 0 0 0 Stock Option (right to buy) 4.57 2023-06-22 4 A 0 50000 0.00 A 2033-06-21 Common Stock 50000 50000 D This annual option grant was made pursuant to the Issuer's Equity Grant Policy for non-employee directors. The shares underlying this option vest on June 22, 2024, subject to the reporting person's continuous service as of such vesting date. /s/ Katie Kazem, attorney-in-fact 2023-06-23