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FEDERAL DEPOSIT INSURANCE CORPORATION Washington , D.C. 20429 FORM 10 - K ( Mark One ) ☑ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended June 30 , 2021 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Maine to FDIC Certificate No. 19690 NORTHEAST BANK ( State or other jurisdiction of incorporation or organization ) 27 Pearl Street , Portland , Maine ( Address of principal executive offices ) Voting Common Stock , $ 1.00 par value ( Title of each class ) ( Exact name of registrant as specified in its charter ) ( 207 ) 786-3245 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : NBN ( Trading Symbol ) Securities registered pursuant to Section 12 ( g ) of the Act : None 01-0029040 ( I.R.S. Employer Identification No. ) 04101 ( Zip Code ) The NASDAQ Stock Market LLC ( Name of each exchange on which registered ) Indicate by check mark if the registrant is a well - known seasoned issuer as defined in Rule 405 of the Securities Act . Yes No ☑ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes ☐ No ☑ Indicate by check mark whether the registrant : ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months ( or for such shorter period that the registrant was required to file such reports ) , and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes > No ☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T ( §229.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit such files ) . Yes No ☐ Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer or a smaller reporting company . See the definitions of " large accelerated filer , " " accelerated filer ” , “ smaller reporting company " and " emerging growth company ” in Rule 12b - 2 of the Exchange Act . Large Accelerated filer Non - accelerated filer Emerging growth company ☐ ☑ ப Accelerated filer Smaller Reporting Company ☑ If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . ☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( a ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Yes > No ☐ Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . Yes No ☑ The aggregate market value of the registrant's voting and non - voting common stock held by non - affiliates , computed by reference to the last reported sales price of the registrant's voting common stock on the NASDAQ Global Market on December 31 , 2020 was approximately $ 163,986,714 . As of September 3 , 2021 , the registrant had outstanding 8,183,442 shares of voting common stock , $ 1.00 par value per share , and zero shares of non - voting common stock , $ 1.00 par value per share . DOCUMENTS INCORPORATED BY REFERENCE Portions of the registrant's proxy statement for the 2021 Annual Meeting of Shareholders to be held on November 22 , 2021 are incorporated by reference in Items 10 , 11 , 12 , 13 and 14 of Part III of this Annual Report on Form 10 - K . The registrant intends to file such proxy statement with the Federal Deposit Insurance Corporation no later than 120 days after the end of its fiscal year ended June 30 , 2021 . 1