0000950170-23-042384.txt : 20230814 0000950170-23-042384.hdr.sgml : 20230814 20230814160626 ACCESSION NUMBER: 0000950170-23-042384 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230810 FILED AS OF DATE: 20230814 DATE AS OF CHANGE: 20230814 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: CROCKER GARY L CENTRAL INDEX KEY: 0001094201 STATE OF INCORPORATION: UT FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35409 FILM NUMBER: 231169881 MAIL ADDRESS: STREET 1: MERRIMACK PHARMACEUTICALS, INC. STREET 2: ONE KENDALL SQUARE, SUITE B7201 CITY: CAMBRIDGE STATE: MA ZIP: 02139 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MERRIMACK PHARMACEUTICALS INC CENTRAL INDEX KEY: 0001274792 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: ONE BROADWAY STREET 2: 14TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-441-1000 MAIL ADDRESS: STREET 1: ONE BROADWAY STREET 2: 14TH FLOOR CITY: CAMBRIDGE STATE: MA ZIP: 02142 4 1 ownership.xml 4 X0508 4 2023-08-10 0001274792 MERRIMACK PHARMACEUTICALS INC MACK 0001094201 CROCKER GARY L C/O MERRIMACK PHARMACEUTICALS, INC. ONE BROADWAY 14TH FLOOR CAMBRIDGE MA 02142 true true false false See Remarks false Common Stock 2023-08-10 4 P false 2000 12.5196 A 133105 I See footnote Common Stock 2023-08-11 4 P false 2000 12.4326 A 133105 I See footnote The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.48 to $12.54, inclusive on August 10, 2023. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4. Shares held by Crocker Family Investments, LLC, over which Reporting Person is the Managing Member. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $12.38 to $12.50, inclusive on August 11, 2023. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4. Chairman, President, and Treasurer /s/ Gary L. Crocker 2023-08-14