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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

AMENDMENT NO. 1

Under the Securities Exchange Act of 1934

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐	Rule 13d-1(b)

☐	Rule 13d-1(c)

☒	Rule 13d-1(d)

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*The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

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1	NAMES OF REPORTING PERSONS AVISTA CAPITAL PARTNERS II GP, LLC
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	26-2708016
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			10,761,139*
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			10,761,139*
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	10,761,139*
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	20.0%*
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

 

* See Items 4 and 8

 

 

1	NAMES OF REPORTING PERSONS AVISTA CAPITAL PARTNERS II, L.P.
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	26-2708127
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			6,550,396*
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			6,550,396*
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	6,550,396*
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	12.2%*
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	PN

 

* See Items 4 and 8

 

1	NAMES OF REPORTING PERSONS AVISTA CAPITAL PARTNERS (OFFSHORE) II, L.P.
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	98-0588109
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	BERMUDA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			2,151,060*
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			2,151,060*
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	2,151,060*
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	4.0%*
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	FI

 

* See Items 4 and 8

 

 

1	NAMES OF REPORTING PERSONS AVISTA CAPITAL PARTNERS (OFFSHORE) II-A, L.P.
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	98-0644474
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	BERMUDA
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			522,152*
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			522,152*
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	522,152*
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	1.0%*
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	FI

 

* See Items 4 and 8

 

1	NAMES OF REPORTING PERSONS ACP INC RESEARCH CO-INVEST, LLC
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	90-0611463
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			1,079,102*
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			1,079,102*
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	1,079,102*
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	2.0%*
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

 

* See Items 4 and 8

 

1	NAMES OF REPORTING PERSONS INC RESEARCH MEZZANINE CO-INVEST, LLC
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	80-0644238
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	DELAWARE
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			458,429*
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			458,429*
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	458,429*
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	0.9%*
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

 

* See Items 4 and 8

 

 

Item 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

☐

Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);

☐

Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

☐

Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);

☐

Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

☐

An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

☐

An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

☐

A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

☐

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

☐

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

☐

A non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J);

☐

A group, in accordance with §240.13d-1(b)(1)(ii)(K). If filing as a non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J), please specify the type of institution:

 

Item 4.

Ownership

(a)-(c)

 

 

Item 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following ☐.

Item 6.

Ownership of More than Five Percent on Behalf of Another Person

 

Not Applicable

Item 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person

Not Applicable

 

Item 8.

Identification and Classification of Members of the Group

The Issuer, Avista Capital Partners II, L.P., Avista Capital Partners (Offshore) II, L.P., Avista Capital Partners (Offshore) II-A, L.P. and INC Research Mezzanine Co-Invest, LLC (each, an affiliate of Avista Capital Partners, L.P. and collectively, the “Avista Entities”), an affiliate of Ontario Teachers’ Pension Plan Board (“OTPP”), ACP INC Research Co-Invest, LLC and certain management stockholders are party to an Amended and Restated Stockholders Agreement (the “Stockholders Agreement”) dated as of November 6, 2014, pursuant to which the Avista Entities and OTPP have agreed to vote all outstanding shares of Class A Common Stock and Class B Common Stock (together, the “Common Stock”) held by them to ensure the composition of the Issuer’s Board as set forth in the Stockholders Agreement, for so long as each of the Avista Entities and OTPP owns at least 5% of the Issuer’s outstanding shares of Common Stock. Consequently, the Avista Entities and OTPP may be deemed to be a group under Section 13(d) of the Securities Exchange Act of 1934 (the “Exchange Act”) with respect to the securities of the Issuer.

OTPP owns of record 10,302,711 shares, or 19.2%, of the Class A Common Stock outstanding as of December 31, 2015, as provided by the Issuer’s transfer agent.  The filing of this statement shall not be deemed an admission that, for purposes of Section 13 of the Exchange Act, or otherwise, any of the Avista Entities is the beneficial owner of equity securities covered by this statement or any other statement that are beneficially owned, directly or indirectly, by any other person other than as stated herein.

Item 9.

Notice of Dissolution of Group

Not Applicable

Item 10.

Certifications

Not Applicable

 

SIGNATURE

After reasonable inquiry and to the best of our knowledge and belief, we certify that the information set forth in this statement is true, complete and correct.

Date: February 8, 2016

 

 

EXHIBIT INDEX

 

 

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