UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the

Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 28, 2020 (November 10, 2019)

3303 Monte Villa Parkway,

Bothell, WA 98021

(Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code: (425) 402-1400

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:

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

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. ☐

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

EXPLANATORY NOTE

This Amendment No. 2 on Form 8-K/A (this “Form 8-K/A”) amends our Current Report on Form 8-K filed with the Securities and Exchange Commission (the “SEC”) on November 15, 2019 (the “Original Form 8-K”), as amended by Amendment No. 1 on Form 8-K/A filed with the SEC on January 27, 2019 (“Amendment No. 1”). This Form 8-K/A is being filed to include Exhibit 23.1 which contains the consent of UHY LLP (“UHY”) permitting the Company to incorporate by reference into certain of the Company’s effective registration statements UHY’s report, dated January 24, 2020, relating to its audit of the financial statements of Custom Biogenic Systems, Inc. (“CBS”) for the years ended December 31, 2018 and 2017 which were included in Amendment No. 1. The Company is also re-filing the unaudited financial statements of CBS as of and for the nine months ended September 30, 2019 and 2018 as Exhibit 99.2 to this Form 8-K/A to correct the heading of the last column of the balance sheet included therein. Except as set forth herein, no other modifications have been made to the information contained in the Original Form 8-K or Amendment No. 1.