Current Report Filing (8-k)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

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

Date of Report (Date of earliest event reported): June 28, 2017

CYTOMX THERAPEUTICS, INC.

(Exact name of Registrant as Specified in Its Charter)

Delaware

001-37587

27-3521219

(State or Other Jurisdiction

of Incorporation)

(Commission File Number)

(IRS Employer

Identification No.)

151 Oyster Point Boulevard, Suite 400

South San Francisco, CA 94080

(Address of principal executive offices, including Zip Code)

Registrant’s telephone number, including area code: (650) 515-3185

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 Instructions 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))

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. ☒

Item 8.01. Other Events.

On June 28, 2017, CytomX Therapeutics, Inc. issued a press release announcing the treatment of the first patient in the PROCLAIM-CX-2009 study, a Phase 1/2 clinical trial evaluating CX-2009 as monotherapy in patients with select advanced solid tumors. The full text of the press release is furnished as Exhibit 99.1 hereto.

Item 9.01

Financial Statements and Exhibits.

Reference is made to the Exhibit Index attached hereto

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.




Date: June 28, 2017	CYTOMX THERAPEUTICS, INC.

		By:	/s/ Cynthia J. Ladd
			Cynthia J. Ladd
			Senior Vice President and General Counsel

EXHIBIT INDEX


Exhibit No.		Description
99.1		Press release titled “CytomX Announces the First Patient Treated in Phase 1/2 PROCLAIM-CX-2009 Trial” issued by CytomX Therapeutics, Inc. on June 28, 2017.