Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39929 NORTHERN STAR INVESTMENT CORP. II (Exact Name of Registrant as Specified in Its Charter) Delaware 85-3909728 (State or other jurisdiction of incorporation or organization) Washington, D.C. 20549 FORM 10-Q (MARK ONE) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES E ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the fiscal year ended December 31, 2020 Commission File Number 001-39929 NORTHERN STAR INVESTMENT CORP. II (Exact name of registrant as specified in its charter) (State or Other Jurisdiction of Incorporation) Delaware 85-3909728 (I.R.S. Employer Identification No.) c/o Graubard Miller The Chrysler Building 405 Lexington ...