UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2018

Commission File Number: 333-219066

Clementia Pharmaceuticals Inc.
(Translation of registrant's name into English)

4150 St Catherine Street West, Suite 550
(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ X ]      Form 40-F [   ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant's "home country"), or under the rules of the home country exchange on which the registrant's securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant's security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR. 


The information contained in this Report (including the exhibits hereto) is hereby incorporated by reference into Clementia Pharmaceuticals Inc.’s Registration Statement on Form F-3 (File No. 333-227726).

On November 30, 2018, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

(c) Exhibit 99.1. Press release dated November 30, 2018


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, thereunto duly authorized.

      Clementia Pharmaceuticals Inc.    
  (Registrant)
   
  
Date: November 30, 2018     /s/ Steve Forte    
  Steve Forte
  Chief Financial Officer
  
EdgarFiling

EXHIBIT 99.1

Clementia Announces the Departure of Chief Commercial Officer

MONTREAL, Nov. 30, 2018 (GLOBE NEWSWIRE) -- Clementia Pharmaceuticals Inc. (Nasdaq: CMTA), a clinical-stage biopharmaceutical company innovating treatments for people with ultra-rare bone disorders and other diseases, today announced the departure of Eric Grinstead as the Company’s chief commercial officer effective November 30, 2018.

“Thanks to Eric’s tenure at Clementia, we stand today with a well-designed approach for market development and future commercialization of palovarotene,” stated Clarissa Desjardins, Ph.D., chief executive officer, Clementia. “As we prepare to submit our first New Drug Application in 2019, we look forward to further building our leadership and capabilities to support our transformation into a fully integrated biotech company.”

The Company has initiated a search process for a new chief commercial officer, who is expected to have significant product launch and market access experience. Steve Forte, chief financial officer, will assume responsibility for the company’s ongoing pre-commercial efforts in the interim.

About Clementia Pharmaceuticals Inc.

Clementia is a clinical-stage company innovating treatments for people with ultra-rare bone disorders and other diseases with high medical need. The company is preparing for a 2019 NDA submission to the FDA to seek approval of its lead product candidate, palovarotene, a novel RARγ agonist, for the prevention of heterotopic ossification (HO) associated with flare up symptoms in adults and children with fibrodysplasia ossificans progressiva (FOP). The ongoing Phase 3 MOVE Trial is evaluating an additional dosing regimen of palovarotene for the treatment of FOP. Palovarotene is also in a Phase 2 trial, the MO-Ped Trial, for the treatment of multiple osteochondromas (MO, also known as multiple hereditary exostoses, or MHE). In addition, Clementia has commenced a Phase 1 trial for an eye drop formulation of palovarotene for the potential treatment of dry eye disease and is also investigating other conditions that may benefit from RARγ therapy. For more information, please visit www.clementiapharma.com and connect with us on Twitter @ClementiaPharma.

Investor/Media Contact:

Joseph Walewicz
Clementia Pharmaceuticals Inc.
+1-514-940-1080

Monique Allaire
THRUST Strategic Communications
+1-617-895-9511