0001209191-21-012657.txt : 20210222 0001209191-21-012657.hdr.sgml : 20210222 20210222160509 ACCESSION NUMBER: 0001209191-21-012657 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210218 FILED AS OF DATE: 20210222 DATE AS OF CHANGE: 20210222 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Knight David CENTRAL INDEX KEY: 0001547394 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35506 FILM NUMBER: 21660231 MAIL ADDRESS: STREET 1: C/O PROOFPOINT, INC. STREET 2: 892 ROSS DRIVE CITY: SUNNYVALE STATE: CA ZIP: 94089 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: PROOFPOINT INC CENTRAL INDEX KEY: 0001212458 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374] IRS NUMBER: 510414846 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 925 W. MAUDE AVENUE CITY: SUNNYVALE STATE: CA ZIP: 94085 BUSINESS PHONE: 408-517-4710 MAIL ADDRESS: STREET 1: 925 W. MAUDE AVENUE CITY: SUNNYVALE STATE: CA ZIP: 94085 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2021-02-18 0 0001212458 PROOFPOINT INC PFPT 0001547394 Knight David C/O PROOFPOINT, INC. 892 ROSS DRIVE SUNNYVALE CA 0 1 0 0 EVP/GM, Security Products Common Stock 2021-02-18 4 S 0 350 134.7929 D 20170 D Common Stock 2021-02-18 4 S 0 900 135.9211 D 19270 D Common Stock 2021-02-18 4 S 0 800 137.1301 D 18470 D Common Stock 2021-02-18 4 S 0 450 137.7233 D 18020 D This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. Represents the weighted average sale price. The lowest price at which shares were sold was $134.43 and the highest price at which shares were sold was $135.43. The Reporting Person undertakes to provide upon request to the staff of the Securities Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the ranges set forth in footnotes (2), (3), (4) and (5) to this Form 4. Represents the weighted average sale price. The lowest price at which shares were sold was $135.52 and the highest price at which shares were sold was $136.29. Represents the weighted average sale price. The lowest price at which shares were sold was $136.57 and the highest price at which shares were sold was $137.56. Represents the weighted average sale price. The lowest price at which shares were sold was $137.60 and the highest price at which shares were sold was $137.80. /s/ David Knight by Michael Yang, Attorney-in-Fact 2021-02-22