Related Party Transactions

9 Months Ended

Sep. 30, 2017

Related party expenses consisted of the following:



		Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	Transaction Type	2017		2016		2017		2016
Avista Capital Partners, L.P. and its affiliates*	Offering costs paid on behalf of Avista pursuant to registration rights agreement	$	—	$	—	$	326	$	—
INC Research Holdings, Inc. (“INC”)**	Pharmacovigilance services	—		293		—		647
VWR Scientific*	Inventory supplies	—		60		297		245
Total related party expenses		$	—	$	353	$	623	$	892

* During the quarter ended September 30, 2017, Avista Capital Partners, L.P., Avista Capital Partners (Offshore), L.P. and ACP-Lantern Co-Invest, LLC (collectively, “Avista”) distributed approximately 6.3 million shares of common stock of the Company in the aggregate, representing the remainder of their holdings in the Company. The transactions were effected as distributions-in-kind of the Company’s common stock to the investors in those investment funds. As such, Avista and VWR Scientific (an entity in which Avista had an interest) are no longer related parties.

** During the year ended December 31, 2016, investment funds affiliated with Avista disposed of shares of INC common stock held by them. As a result, such investment funds were no longer a principal owner of INC. Related party expenses included in this table represent expenses incurred during the period under which investment funds affiliated with Avista held an investment in INC.

Amounts billed and unbilled for related parties included in accounts payable and accrued expenses are immaterial at December 31, 2016.