0001209191-18-018511.txt : 20180309 0001209191-18-018511.hdr.sgml : 20180309 20180309163258 ACCESSION NUMBER: 0001209191-18-018511 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180307 FILED AS OF DATE: 20180309 DATE AS OF CHANGE: 20180309 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: STEVENS ANTHONY CHRIS CENTRAL INDEX KEY: 0001284788 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38295 FILM NUMBER: 18680526 MAIL ADDRESS: STREET 1: 40 COMMONWEALTH AVE UNIT C CITY: BOSTON STATE: MA ZIP: 02116 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Arsanis, Inc. CENTRAL INDEX KEY: 0001501697 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 273181608 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 890 WINTER STREET, SUITE 230 CITY: WALTHAM STATE: MA ZIP: 02451 BUSINESS PHONE: 781-819-5704 MAIL ADDRESS: STREET 1: 890 WINTER STREET, SUITE 230 CITY: WALTHAM STATE: MA ZIP: 02451 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2018-03-07 0 0001501697 Arsanis, Inc. ASNS 0001284788 STEVENS ANTHONY CHRIS C/O ARSANIS, INC. 890 WINTER STREET, SUITE 230 WALTHAM MA 02451 0 1 0 0 Chief Medical Officer Stock option (right to buy) 17.34 2018-03-07 4 A 0 50000 0.00 A 2028-03-06 Common Stock 50000 50000 D This option becomes exercisable as to 25% of the shares underlying the award on the first anniversary of the date of grant, with the remainder vesting in equal monthly installments until the fourth anniversary of the date of grant. /s/ Michael Gray, attorney-in-fact 2018-03-09