Ownership Information

Top Holders

Holder	Shares Held	% O/S	Share Change	Filing Date
Engaged Capital, LLC	15,996,598	15.90	--	9/30/20
The Vanguard Group, Inc.	7,634,914	7.59	-206,275	9/30/20
Brown Advisory	7,068,891	7.02	424,513	9/30/20
BlackRock Institutional Trust Company, N.A.	6,183,955	6.14	-23,223	9/30/20
Soros Fund Management, L.L.C.	4,391,753	4.36	--	9/30/20
AllianceBernstein L.P.	4,282,665	4.26	-927,251	9/30/20
Wells Fargo Bank, N.A.	3,424,845	3.40	-468,221	9/30/20
Thrivent Asset Management, LLC	3,403,513	3.38	-100,955	9/30/20
Segall Bryant & Hamill, LLC	3,103,788	3.08	1,315,723	9/30/20
Black Creek Investment Management, Inc.	2,686,994	2.67	134,442	9/30/20

Fund	Shares Held	% O/S	Share Change	Filing Date
Vanguard Total Stock Market Index Fund	2,274,648	2.26	2,509	10/31/20
iShares Core S&P Mid-Cap ETF	2,171,899	2.16	-16,848	10/31/20
Vanguard Small-Cap Index Fund	1,904,038	1.89	5,918	10/31/20
Stichting Pensioenfonds Zorg en Welzijn	1,892,766	1.88	485,876	12/31/19
Thrivent Mid Cap Stock Fund	1,593,346	1.58	--	9/30/20
Black Creek Global Leaders Fund	1,577,812	1.57	-566,529	6/30/20
Brown Advisory Small-Cap Growth Fund	1,564,328	1.55	--	9/30/20
Thrivent Mid Cap Stock Portfolio	1,297,663	1.29	--	9/30/20
Vanguard Small-Cap Value Index Fund	1,111,153	1.10	2,715	10/31/20
Vanguard Extended Market Index Fund	1,091,314	1.08	-18,011	10/31/20

* Insider values reflect direct beneficial ownership.