DHIL
Diamond Hill Investment Group, Inc.$174.99+0.00 (—)Prev Close$174.97·MCap$473.3M·P/E9.77·Vol—·Yield0.05%
▲
Buys (12M)
0
$0.00
▼
Sells (12M)
1
$35.3K
◆
Net Activity
Net Seller
$35.3K
●
Active Insiders
1
last 12 mo
Over the past 12 months, insider activity at Diamond Hill Investment Group, Inc. (DHIL) has been exclusively selling, with 0 insider purchases totaling $0.00 and 1 insider sale totaling $35.3K. The most recent insider transaction was by Thomas L'Quentus (Director), who sold $35.3K worth of shares on Sep 23, 2025. Diamond Hill Investment Group, Inc. operates in the Financial Services sector, within the Asset Management industry, with a market cap of $473.3M.
DHIL Insider Trading Activity
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 23, 2025 | Thomas L'Quentus | Director | Sell | 250 | $141.10 | $35.3K | 0 |
| Sep 5, 2025 | Meyer Paula R | Director | Sell | 350 | $141.80 | $49.6K | 0 |
| Jun 13, 2025 | Quinif Jo Ann | President of DHCM | Buy | 2,750 | $144.01 | $396.0K | 0 |
| Jun 13, 2025 | Quinif Jo Ann | President of DHCM | Sell | 2,750 | $144.00 | $396.0K | 0 |
| May 6, 2025 | Cooley Richard Scott | Director | Buy | 278 | $134.10 | $37.3K | 0 |
| May 2, 2025 | Cooley Richard Scott | Director | Buy | 124 | $129.00 | $16.0K | 0 |
| May 1, 2025 | Cooley Richard Scott | Director | Buy | 692 | $127.50 | $88.2K | 0 |
| Apr 29, 2025 | Cooley Richard Scott | Director | Buy | 1,000 | $124.50 | $124.5K | 0 |
| Apr 1, 2025 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 2,228 | $142.84 | $318.2K | 0 |
| Apr 1, 2025 | Line Thomas Edward | Chief Financial Officer | Sell | 795 | $142.84 | $113.6K | 0 |
| Apr 1, 2025 | Quinif Jo Ann | President of DHCM | Sell | 2,136 | $142.84 | $305.1K | 0 |
| Mar 31, 2025 | Cooley Richard Scott | Director | Buy | 100 | $142.50 | $14.3K | 0 |
| Mar 21, 2025 | Cooley Richard Scott | Director | Buy | 50 | $143.50 | $7.2K | 0 |
| Mar 12, 2025 | Cooley Richard Scott | Director | Buy | 500 | $144.00 | $72.0K | 0 |
| Mar 5, 2025 | Cooley Richard Scott | Director | Buy | 500 | $146.00 | $73.0K | 0 |
| Feb 28, 2025 | Cooley Richard Scott | Director | Buy | 272 | $144.00 | $39.2K | 0 |
| Dec 20, 2024 | Cooley Richard Scott | Director | Buy | 1,000 | $152.25 | $152.3K | 0 |
| Nov 21, 2024 | LAIRD JAMES F JR | Director | Sell | 6,000 | $170.26 | $1.02M | 0 |
| Nov 14, 2024 | Meyer Paula R | Director | Sell | 300 | $169.00 | $50.7K | 0 |
| Nov 11, 2024 | LAIRD JAMES F JR | Director | Sell | 1,000 | $171.07 | $171.1K | 0 |
| Nov 8, 2024 | St. Pierre Nicole Renee | Director | Sell | 300 | $167.00 | $50.1K | 0 |
| Nov 6, 2024 | LAIRD JAMES F JR | Director | Sell | 5,000 | $168.53 | $842.6K | 0 |
| Oct 1, 2024 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 9,850 | $161.61 | $1.59M | 0 |
| Sep 23, 2024 | Thomas L'Quentus | Director | Sell | 250 | $161.64 | $40.4K | 0 |
| Aug 8, 2024 | LAIRD JAMES F JR | Director | Sell | 3,000 | $150.20 | $450.6K | 0 |
| Jun 27, 2024 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 550 | $139.72 | $76.8K | 0 |
| Jun 27, 2024 | Quinif Jo Ann | President of DHCM | Buy | 400 | $139.24 | $55.7K | 0 |
| Jun 3, 2024 | Cooley Richard Scott | Director | Buy | 500 | $150.00 | $75.0K | 0 |
| May 15, 2024 | LAIRD JAMES F JR | Director | Sell | 2,500 | $158.40 | $396.0K | 0 |
| May 13, 2024 | Line Thomas Edward | Chief Financial Officer | Sell | 3,500 | $157.01 | $549.5K | 0 |
| Apr 1, 2024 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 1,528 | $154.17 | $235.6K | 0 |
| Apr 1, 2024 | Line Thomas Edward | Chief Financial Officer | Sell | 739 | $154.17 | $113.9K | 0 |
| Apr 1, 2024 | Quinif Jo Ann | President of DHCM | Sell | 1,632 | $154.17 | $251.6K | 0 |
| Jan 1, 2024 | Line Thomas Edward | Chief Financial Officer | Sell | 3,681 | $165.59 | $609.5K | 0 |
| Dec 18, 2023 | LAIRD JAMES F JR | Director | Sell | 3,000 | $170.10 | $510.3K | 0 |
| Nov 2, 2023 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 325 | $149.48 | $48.6K | 0 |
| Aug 30, 2023 | Meyer Paula R | Director | Sell | 500 | $171.31 | $85.7K | 0 |
| Apr 1, 2023 | Line Thomas Edward | Chief Financial Officer | Sell | 552 | $164.58 | $90.8K | 0 |
| Mar 31, 2023 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 943 | $164.58 | $155.2K | 0 |
| Mar 31, 2023 | Quinif Jo Ann | President of DHCM | Sell | 1,170 | $164.58 | $192.6K | 0 |
| Mar 16, 2023 | Cooley Richard Scott | Director | Buy | 500 | $158.00 | $79.0K | 0 |
| Aug 2, 2022 | Line Thomas Edward | Chief Financial Officer | Sell | 1,500 | $182.36 | $273.5K | 0 |
| Apr 28, 2022 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 736 | $172.01 | $126.6K | 0 |
| Apr 1, 2022 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 297 | $187.30 | $55.6K | 0 |
| Apr 1, 2022 | Line Thomas Edward | Chief Financial Officer | Sell | 166 | $187.30 | $31.1K | 0 |
| Mar 2, 2022 | Meyer Paula R | Director | Sell | 500 | $197.00 | $98.5K | 0 |
| Jun 30, 2021 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 21 | $142.21 | $3.0K | 0 |
| May 10, 2021 | Line Thomas Edward | Chief Financial Officer | Sell | 1,500 | $177.50 | $266.3K | 0 |
| Mar 31, 2021 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 56 | $132.61 | $7.4K | 0 |
| Feb 26, 2021 | Cooley Richard Scott | Director | Buy | 1,500 | $142.00 | $213.0K | 0 |
Showing 1–50 of 51
1 / 2
DHIL Insider Buying Activity
The following table shows recent insider purchases of Diamond Hill Investment Group, Inc. (DHIL) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Jun 13, 2025 | Quinif Jo Ann | President of DHCM | Buy | 2,750 | $144.01 | $396.0K | 0 |
| May 6, 2025 | Cooley Richard Scott | Director | Buy | 278 | $134.10 | $37.3K | 0 |
| May 2, 2025 | Cooley Richard Scott | Director | Buy | 124 | $129.00 | $16.0K | 0 |
| May 1, 2025 | Cooley Richard Scott | Director | Buy | 692 | $127.50 | $88.2K | 0 |
| Apr 29, 2025 | Cooley Richard Scott | Director | Buy | 1,000 | $124.50 | $124.5K | 0 |
| Mar 31, 2025 | Cooley Richard Scott | Director | Buy | 100 | $142.50 | $14.3K | 0 |
| Mar 21, 2025 | Cooley Richard Scott | Director | Buy | 50 | $143.50 | $7.2K | 0 |
| Mar 12, 2025 | Cooley Richard Scott | Director | Buy | 500 | $144.00 | $72.0K | 0 |
| Mar 5, 2025 | Cooley Richard Scott | Director | Buy | 500 | $146.00 | $73.0K | 0 |
| Feb 28, 2025 | Cooley Richard Scott | Director | Buy | 272 | $144.00 | $39.2K | 0 |
| Dec 20, 2024 | Cooley Richard Scott | Director | Buy | 1,000 | $152.25 | $152.3K | 0 |
| Jun 27, 2024 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 550 | $139.72 | $76.8K | 0 |
| Jun 27, 2024 | Quinif Jo Ann | President of DHCM | Buy | 400 | $139.24 | $55.7K | 0 |
| Jun 3, 2024 | Cooley Richard Scott | Director | Buy | 500 | $150.00 | $75.0K | 0 |
| Nov 2, 2023 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 325 | $149.48 | $48.6K | 0 |
| Mar 16, 2023 | Cooley Richard Scott | Director | Buy | 500 | $158.00 | $79.0K | 0 |
| Apr 28, 2022 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 736 | $172.01 | $126.6K | 0 |
| Jun 30, 2021 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 21 | $142.21 | $3.0K | 0 |
| Mar 31, 2021 | BRILLIANT HEATHER E | Chief Executive Officer | Buy | 56 | $132.61 | $7.4K | 0 |
| Feb 26, 2021 | Cooley Richard Scott | Director | Buy | 1,500 | $142.00 | $213.0K | 0 |
DHIL Insider Selling Activity
The following table shows recent insider sales of Diamond Hill Investment Group, Inc. (DHIL) stock reported via SEC Form 4 filings.
| Date | Insider | Role | Type | Shares | Avg Price | Value | Shares After |
|---|---|---|---|---|---|---|---|
| Sep 23, 2025 | Thomas L'Quentus | Director | Sell | 250 | $141.10 | $35.3K | 0 |
| Sep 5, 2025 | Meyer Paula R | Director | Sell | 350 | $141.80 | $49.6K | 0 |
| Jun 13, 2025 | Quinif Jo Ann | President of DHCM | Sell | 2,750 | $144.00 | $396.0K | 0 |
| Apr 1, 2025 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 2,228 | $142.84 | $318.2K | 0 |
| Apr 1, 2025 | Line Thomas Edward | Chief Financial Officer | Sell | 795 | $142.84 | $113.6K | 0 |
| Apr 1, 2025 | Quinif Jo Ann | President of DHCM | Sell | 2,136 | $142.84 | $305.1K | 0 |
| Nov 21, 2024 | LAIRD JAMES F JR | Director | Sell | 6,000 | $170.26 | $1.02M | 0 |
| Nov 14, 2024 | Meyer Paula R | Director | Sell | 300 | $169.00 | $50.7K | 0 |
| Nov 11, 2024 | LAIRD JAMES F JR | Director | Sell | 1,000 | $171.07 | $171.1K | 0 |
| Nov 8, 2024 | St. Pierre Nicole Renee | Director | Sell | 300 | $167.00 | $50.1K | 0 |
| Nov 6, 2024 | LAIRD JAMES F JR | Director | Sell | 5,000 | $168.53 | $842.6K | 0 |
| Oct 1, 2024 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 9,850 | $161.61 | $1.59M | 0 |
| Sep 23, 2024 | Thomas L'Quentus | Director | Sell | 250 | $161.64 | $40.4K | 0 |
| Aug 8, 2024 | LAIRD JAMES F JR | Director | Sell | 3,000 | $150.20 | $450.6K | 0 |
| May 15, 2024 | LAIRD JAMES F JR | Director | Sell | 2,500 | $158.40 | $396.0K | 0 |
| May 13, 2024 | Line Thomas Edward | Chief Financial Officer | Sell | 3,500 | $157.01 | $549.5K | 0 |
| Apr 1, 2024 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 1,528 | $154.17 | $235.6K | 0 |
| Apr 1, 2024 | Line Thomas Edward | Chief Financial Officer | Sell | 739 | $154.17 | $113.9K | 0 |
| Apr 1, 2024 | Quinif Jo Ann | President of DHCM | Sell | 1,632 | $154.17 | $251.6K | 0 |
| Jan 1, 2024 | Line Thomas Edward | Chief Financial Officer | Sell | 3,681 | $165.59 | $609.5K | 0 |
| Dec 18, 2023 | LAIRD JAMES F JR | Director | Sell | 3,000 | $170.10 | $510.3K | 0 |
| Aug 30, 2023 | Meyer Paula R | Director | Sell | 500 | $171.31 | $85.7K | 0 |
| Apr 1, 2023 | Line Thomas Edward | Chief Financial Officer | Sell | 552 | $164.58 | $90.8K | 0 |
| Mar 31, 2023 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 943 | $164.58 | $155.2K | 0 |
| Mar 31, 2023 | Quinif Jo Ann | President of DHCM | Sell | 1,170 | $164.58 | $192.6K | 0 |
| Aug 2, 2022 | Line Thomas Edward | Chief Financial Officer | Sell | 1,500 | $182.36 | $273.5K | 0 |
| Apr 1, 2022 | BRILLIANT HEATHER E | Chief Executive Officer | Sell | 297 | $187.30 | $55.6K | 0 |
| Apr 1, 2022 | Line Thomas Edward | Chief Financial Officer | Sell | 166 | $187.30 | $31.1K | 0 |
| Mar 2, 2022 | Meyer Paula R | Director | Sell | 500 | $197.00 | $98.5K | 0 |
| May 10, 2021 | Line Thomas Edward | Chief Financial Officer | Sell | 1,500 | $177.50 | $266.3K | 0 |
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