0000878526-18-000134.txt : 20180806 0000878526-18-000134.hdr.sgml : 20180806 20180806175805 ACCESSION NUMBER: 0000878526-18-000134 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20180802 FILED AS OF DATE: 20180806 DATE AS OF CHANGE: 20180806 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: LUDLUM KEN CENTRAL INDEX KEY: 0001255825 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-33001 FILM NUMBER: 18995794 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: NATUS MEDICAL INC CENTRAL INDEX KEY: 0000878526 STANDARD INDUSTRIAL CLASSIFICATION: ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845] IRS NUMBER: 770154833 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 6701 KOLL CENTER PARKWAY, SUITE 120 CITY: PLEASANTON STATE: CA ZIP: 94566 BUSINESS PHONE: 9252236700 MAIL ADDRESS: STREET 1: 6701 KOLL CENTER PARKWAY, SUITE 120 CITY: PLEASANTON STATE: CA ZIP: 94566 4 1 wf-form4_153359266915831.xml FORM 4 X0306 4 2018-08-02 0 0000878526 NATUS MEDICAL INC BABY 0001255825 LUDLUM KEN C/O NATUS MEDICAL INCORPORATED 6701 KOLL CENTER PARKWAY, SUITE 120 PLEASANTON CA 94566 1 0 0 0 Common Stock, $0.001 par value per share 2018-08-02 2018-08-02 4 M 0 5000 14.34 A 98957 D Common Stock, $0.001 par value per share 2018-08-02 2018-08-02 4 S 0 5000 36.89 D 93957 D Common Stock, $0.001 par value per share 2018-08-02 2018-08-02 4 M 0 3000 24.50 A 96957 D Common Stock, $0.001 par value per share 2018-08-02 2018-08-02 4 S 0 3000 36.89 D 93957 D Nonqualified Stock Option 14.34 2018-08-02 2018-08-02 4 M 0 5000 14.34 D 2013-07-07 2019-06-07 Common Stock 5000.0 0 D Nonqualified Stock Option 24.5 2018-08-02 2018-08-02 4 M 0 3000 24.50 D 2014-07-05 2020-06-05 Common Stock 3000.0 0 D This transaction was executed in multiple trades at prices ranging from $36.83 to $36.90. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. /s/ WILLIAM B. HILL, by POWER OF ATTORNEY 2018-08-06