Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
2025-06-13 Purchase | 2025-06-17 4:57 pm | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Quinif Jo Ann President of DHCM | 2,750 | $144.01 | $396,028 | 26,579 (Indirect Direct) | View |
2025-06-13 Sale | 2025-06-17 4:57 pm | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Quinif Jo Ann President of DHCM | 2,750 | $144 | $396,000 | 26,579 (Indirect Direct) | View |
2025-05-06 Purchase | 2025-05-07 09:09 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 278 | $134.1 | $37,280 | 13,829 (Direct) | View |
2025-05-02 Purchase | 2025-05-06 09:02 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 124 | $129 | $15,996 | 13,551 (Direct) | View |
2025-05-01 Purchase | 2025-05-02 11:06 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 692 | $127.5 | $88,230 | 13,427 (Direct) | View |
2025-04-30 Purchase | 2025-05-01 2:12 pm | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 1,000 | $124.5 | $124,500 | 12,735 (Direct) | View |
2025-03-31 Purchase | 2025-04-01 11:22 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 100 | $142.5 | $14,250 | 10,809 (Direct) | View |
2025-03-21 Purchase | 2025-03-24 09:38 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 50 | $143.5 | $7,175 | 10,709 (Direct) | View |
2025-03-12 Purchase | 2025-03-14 09:30 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 500 | $144 | $72,000 | 10,659 (Direct) | View |
2025-03-05 Purchase | 2025-03-06 09:46 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 500 | $146 | $73,000 | 10,159 (Direct) | View |
2025-02-28 Purchase | 2025-03-03 09:58 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 272 | $144 | $39,168 | 9,659 (Direct) | View |
2024-12-20 Purchase | 2024-12-23 3:51 pm | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 1,000 | $152.25 | $152,250 | 9,387 (Direct) | View |
2024-11-21 Sale | 2024-11-22 11:48 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | LAIRD JAMES F JR Director | 6,000 | $170.26 | $1,021,560 | 13,000 (Direct) | View |
2024-11-14 Sale | 2024-11-18 10:15 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Meyer Paula R Director | 300 | $169 | $50,700 | 3,187 (Direct) | View |
2024-11-11 Sale | 2024-11-12 10:42 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | LAIRD JAMES F JR Director | 1,000 | $171.07 | $171,070 | 19,000 (Direct) | View |
2024-11-08 Sale | 2024-11-12 09:15 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | St. Pierre Nicole Renee Director | 300 | $167 | $50,100 | 4,187 (Direct) | View |
2024-11-06 Sale | 2024-11-07 2:46 pm | DIAMOND HILL INVESTMENT GROUP INC | DHIL | LAIRD JAMES F JR Director | 5,000 | $168.53 | $842,650 | 20,000 (Direct) | View |
2024-09-23 Sale | 2024-09-24 12:13 pm | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Thomas L'Quentus Director | 250 | $161.64 | $40,410 | 1,858 (Direct) | View |
2024-08-08 Sale | 2024-08-12 10:51 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | LAIRD JAMES F JR Director | 3,000 | $150.2 | $450,600 | 25,000 (Direct) | View |
2024-06-27 Purchase | 2024-07-01 10:22 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Quinif Jo Ann President of DHCM | 400 | $139.24 | $55,696 | 21,708 (Indirect Direct) | View |
2024-06-27 Purchase | 2024-07-01 10:19 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer | 550 | $139.72 | $76,845 | 47,362 (Indirect Direct) | View |
2024-06-03 Purchase | 2024-06-04 09:24 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 500 | $150 | $75,000 | 8,387 (Direct) | View |
2024-05-15 Sale | 2024-05-17 11:21 am | DIAMOND HILL INVESTMENT GROUP INC | DHIL | LAIRD JAMES F JR Director | 2,500 | $158.4 | $396,000 | 28,000 (Direct) | View |
2024-05-13 Sale | 2024-05-15 4:12 pm | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Line Thomas Edward Chief Financial Officer | 3,500 | $157.01 | $549,525 | 14,145 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
2025-06-30 Option Award | 2025-07-01 10:08 am | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer | 27,528 | $0 | 69,962 (Direct) | View |
Ownership | 2025-05-30 10:13 am | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Hawley Austin Director | 0 | $0 | 78,650 (Direct) | View |
2025-04-29 Option Award | 2025-05-01 2:33 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Thomas L'Quentus Director | 926 | $0 | 2,784 (Direct) | View |
2025-04-29 Option Award | 2025-05-01 2:25 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | St. Pierre Nicole Renee Director | 926 | $0 | 5,113 (Direct) | View |
2025-04-29 Option Award | 2025-05-01 2:20 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Meyer Paula R Director | 926 | $0 | 4,113 (Direct) | View |
2025-04-29 Option Award | 2025-05-01 2:15 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Fowler Gordon B Director | 926 | $0 | 7,713 (Direct) | View |
2025-04-29 Option Award | 2025-05-01 2:12 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director | 926 | $0 | 12,735 (Direct) | View |
2025-04-01 Tax Withholding | 2025-04-03 11:48 am | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Line Thomas Edward Chief Financial Officer | 795 | $142.84 | 15,402 (Direct) | View |
2025-04-01 Tax Withholding | 2025-04-03 11:47 am | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Quinif Jo Ann President of DHCM | 2,136 | $142.84 | 26,746 (Direct) | View |
2025-04-01 Other | 2025-04-03 11:47 am | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Quinif Jo Ann President of DHCM | 167 | $121.41 | 26,746 (Direct) | View |
2025-04-01 Tax Withholding | 2025-04-03 11:45 am | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer | 2,228 | $142.84 | 42,601 (Direct) | View |
2025-04-01 Other | 2025-04-03 11:45 am | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer | 167 | $121.41 | 42,601 (Direct) | View |
2025-02-21 Option Award | 2025-02-24 5:09 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Quinif Jo Ann President of DHCM | 6,840 | $0 | 28,548 (Direct) | View |
2025-02-21 Option Award | 2025-02-24 5:08 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Line Thomas Edward Chief Financial Officer | 2,052 | $0 | 16,197 (Direct) | View |
2025-02-21 Option Award | 2025-02-24 5:04 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer | 8,550 | $0 | 44,495 (Direct) | View |
2024-12-17 Gift | 2024-12-18 1:50 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer | 1,567 | $0 | 35,945 (Direct) | View |
2024-12-10 Gift | 2024-12-11 10:06 am | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | LAIRD JAMES F JR Director | 500 | $0 | 12,500 (Direct) | View |
2024-10-01 Tax Withholding | 2024-10-01 12:47 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer | 9,850 | $161.61 | 37,512 (Direct) | View |
Ownership | 2024-08-05 2:00 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Fowler Gordon B Director | 0 | $0 | 6,787 (Direct) | View |
2024-05-15 Gift | 2024-05-15 4:12 pm | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Line Thomas Edward Chief Financial Officer | 100 | $0 | 14,145 (Direct) | View |
2024-05-09 Option Award | 2024-05-10 10:09 am | N/A N/A | DIAMOND HILL INVESTMENT GROUP INC | DHIL | Thomas L'Quentus Director | 723 | $0 | 2,108 (Direct) | View |