0001104659-21-145059.txt : 20211130 0001104659-21-145059.hdr.sgml : 20211130 20211130181048 ACCESSION NUMBER: 0001104659-21-145059 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20211126 FILED AS OF DATE: 20211130 DATE AS OF CHANGE: 20211130 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: GREEN DAVID CENTRAL INDEX KEY: 0001008643 FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35853 FILM NUMBER: 211460672 MAIL ADDRESS: STREET 1: C/O HARVARD BIOSCIENCE INC STREET 2: 84 OCTOBER HILL ROAD CITY: HOLLISTON STATE: MA ZIP: 01746-1371 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Biostage, Inc. CENTRAL INDEX KEY: 0001563665 STANDARD INDUSTRIAL CLASSIFICATION: SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841] IRS NUMBER: 455210462 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 84 OCTOBER HILL ROAD STREET 2: SUITE 11 CITY: HOLLISTON STATE: MA ZIP: 01746 BUSINESS PHONE: (774) 233-7300 MAIL ADDRESS: STREET 1: 84 OCTOBER HILL ROAD STREET 2: SUITE 11 CITY: HOLLISTON STATE: MA ZIP: 01746 FORMER COMPANY: FORMER CONFORMED NAME: Harvard Apparatus Regenerative Technology, Inc. DATE OF NAME CHANGE: 20121204 3 1 tm2134262d1_3seq1.xml OWNERSHIP DOCUMENT X0206 3 2021-11-26 0 0001563665 Biostage, Inc. BSTG 0001008643 GREEN DAVID C/O BIOSTAGE, INC., 84 OCTOBER HILL ROAD, SUITE 11 HOLLISTON MA 07146 1 1 0 0 See Remarks Common Stock 23052 D Common Stock 16468 I 2018 Biostage GRAT Stock Option (right to buy) 33.80 2026-03-22 Common Stock 1250 D Stock Option (right to buy) 36.80 2025-05-29 Common Stock 1250 D Stock Option (right to buy) 85.80 2022-04-17 Common Stock 36281 D All of these options are currently fully exercisable. Interim Chief Executive Officer /s/ Chad Porter, by power of attorney 2021-11-30