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 |
2025-03-31 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 |
2023-12-18 Sale |
2023-12-20 2:35 pm |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | LAIRD JAMES F JR Director |
3,000 | $170.1 | $510,290 | 30,500 (Direct) |
View |
2023-11-02 Purchase |
2023-11-03 3:25 pm |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer |
325 | $149.48 | $48,581 | 41,668 (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 |
2025-04-01 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 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 11:47 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 11:45 am |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer |
167 | $121.41 | 42,601 (Direct) |
View |
2025-04-01 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 |
2025-02-21 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 |
2024-05-09 Option Award |
2024-05-10 10:07 am |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | St. Pierre Nicole Renee Director |
723 | $0 | 4,487 (Direct) |
View |
2024-05-09 Option Award |
2024-05-10 10:05 am |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | Meyer Paula R Director |
723 | $0 | 3,487 (Direct) |
View |
2024-05-09 Option Award |
2024-05-10 10:01 am |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | Cooley Richard Scott Director |
723 | $0 | 7,887 (Direct) |
View |
2024-04-01 Other |
2024-04-03 2:03 pm |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | Quinif Jo Ann President of DHCM |
156 | $131.04 | 21,464 (Direct) |
View |
2024-04-01 Tax Withholding |
2024-04-03 2:03 pm |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | Quinif Jo Ann President of DHCM |
1,632 | $154.17 | 21,464 (Direct) |
View |
2024-04-01 Tax Withholding |
2024-04-03 1:55 pm |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | Line Thomas Edward Chief Financial Officer |
739 | $154.17 | 17,745 (Direct) |
View |
2024-04-01 Other |
2024-04-03 1:53 pm |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer |
156 | $131.04 | 46,968 (Direct) |
View |
2024-04-01 Tax Withholding |
2024-04-03 1:53 pm |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer |
1,528 | $154.17 | 46,968 (Direct) |
View |
2024-02-16 Option Award |
2024-02-20 10:44 am |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | Quinif Jo Ann President of DHCM |
5,864 | $0 | 22,784 (Direct) |
View |
2024-02-16 Option Award |
2024-02-20 10:42 am |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | BRILLIANT HEATHER E Chief Executive Officer |
6,516 | $0 | 48,184 (Direct) |
View |
2024-02-16 Option Award |
2024-02-20 10:39 am |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | Line Thomas Edward Chief Financial Officer |
1,955 | $0 | 18,484 (Direct) |
View |
2024-01-01 Tax Withholding |
2024-02-20 10:39 am |
N/A N/A |
DIAMOND HILL INVESTMENT GROUP INC | DHIL | Line Thomas Edward Chief Financial Officer |
3,681 | $165.59 | 18,484 (Direct) |
View |