0000950170-23-027060.txt : 20230608 0000950170-23-027060.hdr.sgml : 20230608 20230608170244 ACCESSION NUMBER: 0000950170-23-027060 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230606 FILED AS OF DATE: 20230608 DATE AS OF CHANGE: 20230608 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Burow Kristina CENTRAL INDEX KEY: 0001569248 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39208 FILM NUMBER: 231002768 MAIL ADDRESS: STREET 1: 8755 W. HIGGINS ROAD STREET 2: SUITE 1025 CITY: CHICAGO STATE: IL ZIP: 60631 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Beam Therapeutics Inc. CENTRAL INDEX KEY: 0001745999 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 26 LANDSDOWNE STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 BUSINESS PHONE: 857-327-8775 MAIL ADDRESS: STREET 1: 26 LANDSDOWNE STREET CITY: CAMBRIDGE STATE: MA ZIP: 02139 4 1 ownership.xml 4 X0407 4 2023-06-06 0001745999 Beam Therapeutics Inc. BEAM 0001569248 Burow Kristina C/O BEAM THERAPEUTICS INC. 238 MAIN STREET CAMBRIDGE MA 02142 true false false false false Common Stock 2721520 I See footnote Common Stock 2721519 I See footnote Common Stock 26011 D Stock Option (Right to Buy) 34.33 2023-06-06 4 A false 16532 0 A 2033-06-06 Common Stock 16532 16532 D Reflects change from indirect to direct ownership of shares previously reported as beneficially owned by the reporting person as a result of a distribution of Common Stock held by a limited partnership to its partners for no consideration. The shares are held by ARCH Venture Fund IX, L.P. ("ARCH IX"). ARCH Venture Partners IX, L.P. ("GPLP"), as the sole general partner of ARCH IX, may be deemed to beneficially own the shares held by ARCH IX. ARCH Venture Partners IX, LLC ("GPLLC"), as the sole general partner of GPLP, may be deemed to beneficially own the shares held by GPLP. The reporting person has an interest in the GPLP and the GPLLC but does not have voting or investment control over the shares held by ARCH IX. The reporting person disclaims ownership of such shares, except to the extent of her pecuniary interest therein. The shares are directly held by ARCH Venture Fund IX Overage, L.P. ("ARCH Overage"). ARCH Venture Partners IX Overage, L.P. ("Overage GPLP"), as the sole general partner of ARCH Overage, may be deemed to beneficially own the shares held by ARCH Overage. GPLLC, as the sole general partner of Overage GPLP, may be deemed to beneficially own the shares held by Overage GPLP. The reporting person has an interest in the Overage GPLP and the GPLLC but does not have voting or investment control over the shares held by ARCH Overage. The reporting person disclaims ownership of such shares, except to the extent of her pecuniary interest therein. The option vests in full on the earlier of the first anniversary of the date of grant and the date of the next year's annual meeting of stockholders, subject to the reporting person's continued service to the board of directors of Beam Therapeutics Inc. through the vesting date. By: /s/ Christine Bellon, Attorney-in-fact 2023-06-08