Related Party Transactions

3 Months Ended

Mar. 31, 2017

13. Related Party Transactions

The Company’s largest shareholder, Avista Capital Partners, L.P. and its affiliates (“Avista”), is also a principal owner of certain of the Company’s vendors. Related party expenses consisted of the following:


		Three Months Ended
		March 31,
(in thousands)	Transaction Type	2017		2016
Avista	Offering costs paid on behalf of Avista pursuant to registration rights agreement	$	149	$	—
INC Research Holdings, Inc. (“INC”)*	Pharmacovigilance services		—		166
VWR Scientific	Inventory supplies		208		103

Total related party expenses		$	357	$	269

During the year ended December 31, 2016, Avista’s relationship with INC changed and Avista was no longer considered a principal owner of that Company. Related party expenses included in this table represent expenses incurred during the period under which the Company and INC were under common ownership by Avista.

Amounts billed and unbilled for related parties included in accounts payable and accrued expenses are immaterial at both March 31, 2017 and December 31, 2016.