| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| GENTEX CORP | 47.4% | 10,660,660 | 6,463,808 | 4,196,852 | GENTEX CORP | Kevin C. Nash / Chief Financial Officer, Treasurer and Vice President, Finance | 0000355811 |
| Instrument Merger Sub, Inc. | 18.6% | 4,196,852 | 0 | 4,196,852 | Instrument Merger Sub, Inc. | Kevin C. Nash / Chief Financial Officer and Treasurer |