0001209191-22-016872.txt : 20220307 0001209191-22-016872.hdr.sgml : 20220307 20220307195801 ACCESSION NUMBER: 0001209191-22-016872 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220304 FILED AS OF DATE: 20220307 DATE AS OF CHANGE: 20220307 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Kanner Steven CENTRAL INDEX KEY: 0001871131 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40631 FILM NUMBER: 22719988 MAIL ADDRESS: STREET 1: CARIBOU BIOSCIENCES, INC. STREET 2: 2929 7TH STREET, SUITE 105 CITY: BERKELEY STATE: CA ZIP: 94710 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Caribou Biosciences, Inc. CENTRAL INDEX KEY: 0001619856 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 453728228 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2929 7TH STREET, SUITE 105 CITY: BERKELEY STATE: CA ZIP: 94710 BUSINESS PHONE: 510-982-6030 MAIL ADDRESS: STREET 1: 2929 7TH STREET, SUITE 105 CITY: BERKELEY STATE: CA ZIP: 94710 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2022-03-04 0 0001619856 Caribou Biosciences, Inc. CRBU 0001871131 Kanner Steven C/O CARIBOU BIOSCIENCES, INC. 2929 7TH STREET, SUITE 105 BERKELEY CA 94710 0 1 0 0 Chief Scientific Officer Common Stock 2022-03-04 4 M 0 9171 2.69 A 226090 D Common Stock 2022-03-04 4 M 0 1549 4.11 A 227639 D Option to purchase Common Stock 2.69 2022-03-04 4 M 0 9171 0.00 D 2029-09-30 Common Stock 9171 122963 D Option to purchase Common Stock 4.11 2022-03-04 4 M 0 1549 0.00 D 2031-03-29 Common Stock 1549 230365 D Due to a rounding error, the exercise price for this stock option was inadvertently originally reported as $2.68 per share on the reporting person's Form 3 filed on July 22, 2021. Includes 1,888 shares purchased pursuant to the Issuer's 2021 Employee Stock Purchase Plan on February 15, 2022 for $9.85 per share. 1/4th of the shares subject to this option vested on October 1, 2020 and an additional 1/48th of the aggregate number of shares subject to the option have vested or will vest on the corresponding day of each month thereafter until the option is fully vested, subject to the reporting person's continued service to the Issuer through the applicable vesting dates. 1/4th of the shares subject to this option vested on March 2, 2022 and an additional 1/48th of the aggregate number of shares subject to the option will vest on the corresponding day of each month thereafter until the option is fully vested, subject to the reporting person's continued service to the Issuer through the applicable vesting dates. /s/ Barbara G. McClung, at attorney-in-fact 2022-03-07