Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of
the Securities Exchange Act of 1934

December 28, 2015

Date of Report (Date of earliest event reported)

Nevada

(State or other jurisdiction of incorporation)

333-127953

(Commission File Number)

59-3509694

(I.R.S. Employer Identification No.)

10632 Little Patuxent Parkway

Suite 406

Columbia, Maryland 21044

(Address of principal executive offices)

(800) 213-0689

(Registrant's telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 1.01. Entry Into a Material Definitive Agreement.

On December 28, 2015, SolarWindow Technologies, Inc. (the "Company") entered into a modification to the Stevenson-Wydler Cooperative Research and Development Agreement (the "CRADA Modification") with the Alliance for Sustainable Energy, LLC, operator of The National Renewable Energy Laboratory ("NREL") under its U.S. Department of Energy contract, previously entered into between the Company and NREL. The purpose of the CRADA Modification is to extend the date pursuant to which NREL's researchers will make use of the Company's exclusive intellectual property and NREL's background intellectual property in order to work towards specific product development goals.

The above description of the CRADA Modification does not purport to be complete and is qualified in its entirety by reference to the CRADA Modification, a redacted copy of which is attached hereto as Exhibit 10.1 and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits

† Portions of this exhibit (indicated by asterisks) have been omitted pursuant to a request for confidential treatment pursuant to Rule 24b-2 under the Securities Exchange Act of 1934.

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 hereunto duly authorized on January 4, 2016.

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