| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| DENSO International America, Inc | 4.4% | 4,521,365 | 4,521,365 | 9,195,111 | Jon Canty | Vice President, Legal | |
| DENSO Corporation | 4.6% | 4,673,746 | 4,673,746 | 9,195,111 | Yuko Takagaki | General Manager of Finance and Accounting |