13D Filing: OrbiMed Advisors and Clementia Pharmaceuticals Inc (CMTA)

CUSIP No. 185575107
1	NAME OF REPORTING PERSON OrbiMed Advisors LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP			(a) ☐ (b) ☐
3	SEC USE ONLY
4	SOURCE OF FUNDS N/A
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)			☐
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		7	SOLE VOTING POWER 0
		8	SHARED VOTING POWER 10,425,225
		9	SOLE DISPOSITIVE POWER 0
		10	SHARED DISPOSITIVE POWER 10,425,225
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 10,425,225
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES (See Instructions)			☐
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 34.15%*
14	TYPE OF REPORTING PERSON (See Instructions) IA

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^* This percentage is calculated based upon 30,526,584 Common Shares (as defined below) of the Issuer outstanding, as set forth in the Issuer’s Final Prospectus filed with the Securities and Exchange Commission on August 2, 2017 pursuant to Rule 424(b)(4) of the Securities Act of 1933, as amended.