Type	Name	Date
Registration rights agreement	Registration Rights Agreement, by and among the Company and the Purchasers	10/18/2021
Securities purchase agreement	Securities Purchase Agreement, by and among the Company and the Purchasers	10/18/2021
Registration rights agreement	REGISTRATION RIGHTS AGREEMENT	09/06/2018
Registration rights agreement	Registration Rights Agreement, by and among the Company and the Purchaser	10/12/2017
Securities purchase agreement	Securities Purchase Agreement, by and among the Company and the Purchaser	10/12/2017
Securities purchase agreement	SECURITIES PURCHASE AGREEMENT	12/31/2014
Credit agreement	First Amendment to Credit Agreement	08/01/2014
Securities purchase agreement	Securities Purchase Agreement	01/07/2013
Securities purchase agreement	Securities Purchase Agreement	01/07/2013
Credit agreement	Credit Agreement between the Registrant and Wells Fargo Bank, National Association	08/02/2012
Underwriting agreement	Underwriting Agreement	05/18/2012
Underwriting agreement	Underwriting Agreement	05/18/2012
Credit agreement	First Amendment to Credit Agreement between the Registrant and Wells Fargo Bank, National Association	03/14/2012
Credit agreement	First Amendment to Credit Agreement between the Registrant and Wells Fargo Bank, National Association	03/14/2012
Credit agreement	Credit Agreement between the Registrant and Wells Fargo Bank, National Association	04/01/2011
Credit agreement	Credit Agreement between the Registrant and Wells Fargo Bank, National Association	04/01/2011