Type	Name	Date
Underwriting agreement	UNDERWRITING AGREEMENT	05/06/2020
Underwriting agreement	UNDERWRITING AGREEMENT	05/14/2019
Underwriting agreement	UNDERWRITING AGREEMENT	01/30/2019
Underwriting agreement	UNDERWRITING AGREEMENT	11/06/2015
Underwriting agreement	UNDERWRITING AGREEMENT	08/04/2015
Underwriting agreement	UNDERWRITING AGREEMENT	02/05/2015
Underwriting agreement	UNDERWRITING AGREEMENT	11/25/2014
Underwriting agreement	UNDERWRITING AGREEMENT	11/05/2014
Underwriting agreement	UNDERWRITING AGREEMENT	02/11/2014
Underwriting agreement	UNDERWRITING AGREEMENT	11/20/2013
Underwriting agreement	UNDERWRITING AGREEMENT	10/31/2011
Underwriting agreement	UNDERWRITING AGREEMENT	12/08/2010
Underwriting agreement	UNDERWRITING AGREEMENT	08/04/2010
Underwriting agreement	UNDERWRITING AGREEMENT	11/05/2009

Type	Name	Date
Merger agreement	Agreement and Plan of Merger, by and among IBM, Red Hat and Socrates Acquisition Corp	10/29/2018