1、 UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549FORM 10-K(Mark One)ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIESEXCHANGE ACT OF 1934For the fiscal year ended June 30,2023OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIESEXCHANGE ACT OF 1934For
2、the transition period from to Commission file number:000-55710 NioCorp Developments Ltd.(Exact name of registrant as specified in its charter)British Columbia,Canada 98-1262185(State or other jurisdiction of incorporation or organization)(I.R.S.Employer Identification No.)7000 South Yosemite Street,
3、Suite 115 Centennial,CO(Address of principal executive offices)80112(Zip Code)Registrants telephone number,including area code:(720)334-7066 Securities registered pursuant to Section 12(b)of the Act:Title of each classTrading Symbol(s)Name of each exchange on which registeredCommon Shares,without pa
4、r valueNBThe Nasdaq Stock Market LLCWarrants,each exercisable for 1.11829212Common SharesNIOBWThe Nasdaq Stock Market LLC Securities registered pursuant to section 12(g)of the Act:None.Indicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities A
5、ct.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 SecuritiesExchange Act of 1934 during th
6、e preceding 12 months(or for such shorter period that the registrant was required to file suchreports),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