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): December 3, 2018

SIENNA BIOPHARMACEUTICALS, INC.

(Exact name of registrant as specified in its charter)

Delaware

001-38155

27-3364627

(State or Other Jurisdiction of

Incorporation or Organization)

(Commission

File Number)

(I.R.S. Employer

Identification No.)

30699 Russell Ranch Road, Suite 140

Westlake Village, CA 91362

(Address of principal executive office, including Zip Code)

Registrant’s telephone number, including area code: (818) 629-2256

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))

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 December 3, 2018, Sienna Biopharmaceuticals, Inc. (the “Company”) announced (i) top-line results from a Phase 2b study of SNA-120 for the treatment of itch and psoriasis and (ii) results from an exploratory Phase 1/2 study of SNA-125 for the treatment of atopic dermatitis. Additionally, the Company will be hosting a conference call for analysts and investors to discuss the top-line results utilizing the attached presentation (the “Presentation”). A copy of the press release and the Presentation are filed as Exhibits 99.1 and 99.2 to this Current Report on Form 8-K, respectively, and incorporated by reference herein.

Item 9.01.

Financial Statements and Exhibits.

(d) Exhibits


Exhibit No.		Description

99.1		Press Release dated December 3, 2018.

99.2		Presentation dated December 3, 2018.

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.