Over the 90-day window ending February 19, 2026, Diamond Hill Investment's three dominant insider ownership positions are held by Chief Executive Officer Heather E Brilliant (69.49K shares), President Of Dhcm Jo Ann Quinif (47.19K shares), Chief Financial Officer Thomas Edward Line (14.11K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Heather E Brilliant | Chief Executive Officer | 69,489 | 01 Jul, 2025 |
| Jo Ann Quinif | President Of Dhcm | 47,191 | 01 Oct, 2025 |
| Thomas Edward Line | Chief Financial Officer | 14,108 | 03 Apr, 2025 |
| Richard Scott Cooley | 13,829 | 07 May, 2025 | |
| James F Jr Laird | 12,500 | 11 Dec, 2024 | |
| Gordon B Fowler | 7,713 | 01 May, 2025 | |
| Pierre Nicole Renee St. | 5,113 | 01 May, 2025 | |
| Paula R Meyer | 3,763 | 09 Sep, 2025 | |
| L'Quentus Thomas | 2,534 | 25 Sep, 2025 | |
| Mark Zinkula | 727 | 15 May, 2023 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Oct, 2025 | Jo Ann Quinif | Common | A | 21,428 | $0.00 | 47,191 | D | A |
| 23 Sep, 2025 | L'Quentus Thomas | Common | D | 250 | $141.10 | 2,534 | D | S |
| 23 Sep, 2025 | L'Quentus Thomas | - | - | 2,534 | D | |||
| 05 Sep, 2025 | Paula R Meyer | Common | D | 350 | $141.80 | 3,763 | D | S |
| 05 Sep, 2025 | Paula R Meyer | - | - | 3,763 | D | |||
| 30 Jun, 2025 | Heather E Brilliant | Common | A | 27,528 | $0.00 | 69,489 | D | A |
| 13 Jun, 2025 | Jo Ann Quinif | Common | D | 2,750 | $144.00 | 23,013 | D | S |
| 13 Jun, 2025 | Jo Ann Quinif | Common | A | 2,750 | $144.01 | 25,763 | D | P |
| 06 May, 2025 | Richard Scott Cooley | Common | A | 278 | $134.10 | 13,829 | D | P |
| 02 May, 2025 | Richard Scott Cooley | Common | A | 124 | $129.00 | 13,551 | D | P |
| 01 May, 2025 | Richard Scott Cooley | Common | A | 692 | $127.50 | 13,427 | D | P |
| 30 Apr, 2025 | Richard Scott Cooley | Common | A | 1,000 | $124.50 | 12,735 | D | P |
| 30 Apr, 2025 | Richard Scott Cooley | - | - | 12,735 | D | |||
| 29 Apr, 2025 | Paula R Meyer | Common | A | 926 | $0.00 | 4,113 | D | A |
| 29 Apr, 2025 | Richard Scott Cooley | Common | A | 926 | $0.00 | 11,735 | D | A |
| 29 Apr, 2025 | Pierre Nicole Renee St. | Common | A | 926 | $0.00 | 5,113 | D | A |
| 29 Apr, 2025 | L'Quentus Thomas | Common | A | 926 | $0.00 | 2,784 | D | A |
| 29 Apr, 2025 | Gordon B Fowler | Common | A | 926 | $0.00 | 7,713 | D | A |
| 29 Apr, 2025 | Gordon B Fowler | - | - | 7,713 | D | |||
| 01 Apr, 2025 | Thomas Edward Line | Common | D | 795 | $142.84 | 14,108 | D | F |