X0708 D LIVE 0001018399 ENTERPRISE BANCORP INC /MA/ 222 MERRIMACK ST LOWELL MA MASSACHUSETTS 01852 9784599000 MASSACHUSETTS None None Corporation true Richard W. Main 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Executive Officer Director President Joseph R. Lussier 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Executive Officer Executive Vice President, Chief Financial Officer, Treasurer John A. Koutsos 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Executive Officer Director Secretary John, Jr. P. Clancy 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Executive Officer Director CEO George L. Duncan 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Executive Officer Director Executive Chairman James, III F. Conway 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Vice Chairman and Lead Director of Board Shelagh E. Mahoney 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Joseph C. Lerner 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Gino J. Baroni 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Michael T. Putziger 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Kenneth S. Ansin 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director John R. Clementi 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director John, Jr. T. Grady 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Carole A. Cowan 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Jacqueline F. Moloney 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Mary Jane King 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Luis M. Pedroso 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Assistant Secretary of Board Carol L. Reid 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Normand E. Deschene 222 Merrimack St Lowell MA MASSACHUSETTS 01852 Director Commercial Banking Decline to Disclose 06b false 2020-07-07 false true false 1000 N/A None Piper Sandler & Co. 665 800 Nicolett Mall Minneapolis MN MINNESOTA 55402-7020 AL ALABAMA CT CONNECTICUT GA GEORGIA ME MAINE MA MASSACHUSETTS MI MICHIGAN MN MINNESOTA MS MISSISSIPPI PA PENNSYLVANIA RI RHODE ISLAND VA VIRGINIA false N/A None Raymond James & Associates, Inc. 705 880 Carillon Parkway St. Petersburg FL FLORIDA 33716 AL ALABAMA CT CONNECTICUT GA GEORGIA ME MAINE MA MASSACHUSETTS MI MICHIGAN MN MINNESOTA MS MISSISSIPPI PA PENNSYLVANIA RI RHODE ISLAND VA VIRGINIA false 60000000 60000000 0 false 28 900000 0 0 false ENTERPRISE BANCORP INC /MA/ /s/ Joseph R. Lussier Joseph R. Lussier Executive VP, CFO, Treasurer 2020-07-22