0000919574-22-005788.txt : 20221005 0000919574-22-005788.hdr.sgml : 20221005 20221005162422 ACCESSION NUMBER: 0000919574-22-005788 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20221003 FILED AS OF DATE: 20221005 DATE AS OF CHANGE: 20221005 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Casdin Capital, LLC CENTRAL INDEX KEY: 0001534261 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40674 FILM NUMBER: 221295899 BUSINESS ADDRESS: STREET 1: 1350 AVENUE OF THE AMERICAS STREET 2: SUITE 2600 CITY: NEW YORK STATE: NY ZIP: 10019 BUSINESS PHONE: 212.300.5575 MAIL ADDRESS: STREET 1: 1350 AVENUE OF THE AMERICAS STREET 2: SUITE 2600 CITY: NEW YORK STATE: NY ZIP: 10019 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Casdin Partners GP, LLC CENTRAL INDEX KEY: 0001534260 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40674 FILM NUMBER: 221295898 BUSINESS ADDRESS: STREET 1: 1350 AVENUE OF THE AMERICAS STREET 2: SUITE 1140 CITY: NEW YORK STATE: NY ZIP: 10019 BUSINESS PHONE: 212.300.5575 MAIL ADDRESS: STREET 1: 1350 AVENUE OF THE AMERICAS STREET 2: SUITE 1140 CITY: NEW YORK STATE: NY ZIP: 10019 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Casdin Partners Master Fund, L.P. CENTRAL INDEX KEY: 0001534265 STATE OF INCORPORATION: E9 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40674 FILM NUMBER: 221295900 BUSINESS ADDRESS: STREET 1: WALKER HOUSE STREET 2: 87 MARY STREET CITY: GEORGE TOWN STATE: E9 ZIP: KY1-9001 BUSINESS PHONE: 212.300.5575 MAIL ADDRESS: STREET 1: WALKER HOUSE STREET 2: 87 MARY STREET CITY: GEORGE TOWN STATE: E9 ZIP: KY1-9001 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Casdin Eli CENTRAL INDEX KEY: 0001534264 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40674 FILM NUMBER: 221295897 MAIL ADDRESS: STREET 1: 1350 AVENUE OF THE AMERICAS STREET 2: SUITE 1140 CITY: NEW YORK STATE: NY ZIP: 10019 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: 22 FIRSTFIELD ROAD STREET 2: SUITE 250 CITY: GAITHERSBURG STATE: MD ZIP: 20878 BUSINESS PHONE: 301-517-5556 MAIL ADDRESS: STREET 1: 22 FIRSTFIELD ROAD STREET 2: SUITE 250 CITY: GAITHERSBURG STATE: MD ZIP: 20878 FORMER COMPANY: FORMER CONFORMED NAME: MAXCYTE INC DATE OF NAME CHANGE: 20040415 4 1 ownership.xml X0306 4 2022-10-03 1 0001287098 MAXCYTE, INC. MXCT 0001534265 Casdin Partners Master Fund, L.P. 1350 AVENUE OF THE AMERICAS SUITE 2600 NEW YORK NY 10019 0 0 1 0 0001534261 Casdin Capital, LLC 1350 AVENUE OF THE AMERICAS SUITE 2600 NEW YORK NY 10019 0 0 1 0 0001534260 Casdin Partners GP, LLC 1350 AVENUE OF THE AMERICAS SUITE 2600 NEW YORK NY 10019 0 0 1 0 0001534264 Casdin Eli 1350 AVENUE OF THE AMERICAS SUITE 2600 NEW YORK NY 10019 0 0 1 0 Common Stock, par value $0.01 per share 2022-10-03 4 S 0 735786 6.15 D 10000000 D (1) The securities are owned directly by Casdin Partners Master Fund, LP (the "Master Fund") and may be deemed to be indirectly beneficially owned by (i) Casdin Capital, LLC, the investment adviser to the Master Fund, (ii) Casdin Partners GP, LLC, the general partner of the Master Fund, and (iii) Eli Casdin, the managing member of Casdin Capital, LLC and Casdin Partners GP, LLC. Each Reporting Person disclaims beneficial ownership in the securities reported on this Form 4 except to the extent of its or his pecuniary interest, if any, therein, and this report shall not be deemed to be an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose. Casdin Partners Master Fund, LP, By: Casdin Partners GP, LLC, its General Partner By: /s/ Eli Casdin Managing Member 2022-10-05 Casdin Capital LLC, By: /s/ Eli Casdin Managing Member 2022-10-05 Casdin Partners GP LLC, By: /s/ Eli Casdin, Managing Member 2022-10-05 /s/ Eli Casdin, Eli Casdin 2022-10-05