Bridgeline Digital, Inc. 10-Q

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds. There were no sales of unregistered equity securities in the three months ended December 31, 2020. 35 Item 6. Exhibits. Exhibit No. Description of Document 1.1 Underwriting Agreement (incorporated by reference to Exhibit 1.1 to our Form 8-K filed on October 19, 2018) 3.1 Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to our Quarterly Report on Form 10-Q filed on May 15, 2013) 3.3 Certificate of Designations of the Series A Convertible Preferred Stock (incorporated by reference to Exhibit 3.1 to our Current Report on Form 8-K filed on November 4, 2014) 3.4 Amended and Restated By-laws (incorporated by reference to Exhibit 3.1 to our current Report on Form 10-Q filed on February 17, 2015) 3.5 Certificate of Designations of the Series B Convertible Preferred Stock (incorporated by reference to Exhibit 3.1 to our Current Report on Form 8-K filed on October 19, 2018) 3.6 Amended and Restated By-laws (incorporated by reference to Exhibit 3.1 to our current Report on Form 8-K filed on December 14, 2018) 4.1 Registration Rights Agreement, dated November 3, 2016, by and between Bridgeline Digital, Inc. and the Investors party thereto (incorporated by reference to Exhibit 10.3 to our Current Report on Form 8-K Filed on November 4, 2016) 31.1 Certification required by Rule 13a-14(a) or Rule 15d-14(a). 31.2 Certification required by Rule 13a-14(a) or Rule 15d-14(a). 32.1 Certification required by Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. §1350). 32.2 Certification required by Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code (18 U.S.C. §1350). 101.INS* XBRL Instance 101.SCH* XBRL Taxonomy Extension Schema 101.CAL* XBRL Taxonomy Extension Calculation 101.DEF* XBRL Taxonomy Extension Definition 101.LAB* XBRL Taxonomy Extension Labels 101.PRE* XBRL Taxonomy Extension Presentation *Management compensatory plan **XBRL information is furnished and not filed or a part of a registration statement or prospectus for purposes of sections 11 and 12 of the Securities Act of 1933, as amended, is deemed not filed for purposes of section 18 of the Securities Exchange Act of 1934, as amended, and otherwise is not subject to liability under these sections. 36 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Bridgeline Digital, Inc. (Registrant) February 11, 2021 /s/ Roger Kahn Date Roger Kahn President and Chief Executive Officer (Principal Executive Officer) February 11, 2021 /s/ Mark G. Downey Date Mark G. Downey Chief Financial Officer (Principal Financial and Accounting Officer) 37