| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| BROWN ADVISORY INC | 5.1% | 5,153,205 | 4,583,672 | 0 | Brett D. Rogers | General Counsel & Chief Compliance Officer | |
| BROWN INVESTMENT ADVISORY & TRUST CO | 2% | 48,498 | 48,498 | 0 | Brett D. Rogers | General Counsel & Chief Compliance Officer | |
| BROWN ADVISORY LLC | 5% | 5,100,437 | 4,533,460 | 0 | Brett D. Rogers | General Counsel & Chief Compliance Officer | |
| SIGNATURE FINANCIAL MANAGEMENT, INC. | 3% | 4,270 | 1,714 | 0 | Brett D. Rogers | General Counsel & Chief Compliance Officer |