0001612630FALSE00016126302026-05-202026-05-20

Washington, D.C. 20549

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

Date of Report (Date of earliest event reported): May 20, 2026

(Exact Name of Registrant as Specified in Charter)

(Address of principal executive offices) (Zip Code)

(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:

☐ 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))

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 §CFR 230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth 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. ☐

Our 2026 annual meeting of stockholders was held on May 20, 2026. Set forth below is a brief description of each matter voted on at the meeting and the final voting results.

Proposal 1. The election to our Board of Directors of seven nominees for director to serve for the term expiring on the date of the next annual meeting of stockholders in 2027 or until his or her successors are elected and qualified. In accordance with the results below, each nominee was elected to serve as a director.

Proposal 2. The approval, on an advisory basis, of the compensation of our named executive officers. In accordance with the results below, the compensation of our named executive officers was approved.

Proposal 3. The approval, on an advisory basis, of the frequency of an advisory vote on the compensation of our named executive officers. In accordance with the results below, an annual non-binding advisory vote on the compensation of our named executive officers was approved.

In light of these results, we will hold future advisory votes on the compensation of our named executive officers on an annual basis until the occurrence of the next advisory vote to determine the frequency of such vote or until our Board of Directors otherwise determines that a different frequency is in the best interests of our company and its stockholders.

Proposal 4. The ratification of the appointment of BDO USA, P.C. as our independent registered public accounting firm for the year ending December 31, 2026. In accordance with the results below, the appointment of BDO USA, P.C. was ratified.

(d) Exhibits.

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.