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): July 25, 2017 GI DYNAMICS, INC. (Exact name of registrant as specified in its charter) Delaware 000-55195 84-1621425

(State or other jurisdiction of incorporation)

(Commission File Number)

(IRS Employer Identification No.)

355 Congress Street Boston, MA 02210

(Address of principal executive offices and zip code)

Registrant's telephone number, including area code: (781) 357-3300

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))

Indicate by check mark whether the registrant is an emerging growth company as defined in 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 July 25, 2017 (Eastern Daylight Time), GI Dynamics, Inc. (the "Company") announced the selection of Proven Process Medical Devices, Inc. ("PPMD") as its contract manufacturing partner. Proven Process Medical Devices will manufacture the Company's product, EndoBarrier, at its facilities in Mansfield, Massachusetts. A copy of the press release announcing the selection of PPMD is attached hereto as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

See Exhibit Index attached hereto, which is incorporated by reference herein.

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.

GI DYNAMICS, INC.

Dated: July 26, 2017 /s/ James Murphy James Murphy

Chief Financial Officer

EXHIBIT INDEX

Exhibit

No. Description

99.1 Press release issued by the Company on July 25, 2017.

GI Dynamics Inc. published this content on 27 July 2017 and is solely responsible for the information contained herein.
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