Insider Transactions Reported by 12 Insiders of DIAMOND HILL INVESTMENT GROUP INC

Symbol
DHIL on Nasdaq
Location
Columbus, OH

Insiders trading volume in the past year

DIAMOND HILL INVESTMENT GROUP INC executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Heather E. Brilliant Chief Executive Officer, Director $16,798,956 30 Jun 2025
Austin Hawley Director $10,125,401 27 May 2025
Jo Ann Quinif President of DHCM $7,102,635 +$28 +0% 01 Oct 2025
James F. Laird Jr. Director $6,563,450 10 Dec 2024
Thomas Edward Line Chief Financial Officer $4,463,930 01 Apr 2025
Richard Scott Cooley Director $3,112,518 +$287,431 +10% 06 May 2025
Pierre Nicole Renee St. Director $1,362,995 29 Apr 2025
Gordon B. Fowler Director $1,012,562 29 Apr 2025
Paula R. Meyer Director $533,593 -$49,630 -8.5% 05 Sep 2025
L'Quentus Thomas Director $435,555 -$29,916 -6.4% 23 Sep 2025
Mark Zinkula Director $123,852 11 May 2023
Diane C. Nordin Director $0 29 Oct 2025

Recent Insider Transactions by Companies or Individuals for DIAMOND HILL INVESTMENT GROUP INC

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Jo Ann Quinif DHIL Common Award 83.2% 21,428 47,191 01 Oct 2025 Direct
L'Quentus Thomas DHIL Common Sale -8.98% $35,275 $141.10 -250 2,534 23 Sep 2025 Direct
L'Quentus Thomas DHIL Common Shares Purchase 0.49% $1,804 $143.00 12.62 2,602 12 Sep 2025 Direct
Paula R. Meyer DHIL Common Sale -8.51% $49,630 $141.80 -350 3,763 05 Sep 2025 Direct
Heather E. Brilliant DHIL Common Award 65.6% 27,528 69,489 30 Jun 2025 Direct
L'Quentus Thomas DHIL Common Shares Purchase 0.47% $1,786 $146.51 12.19 2,589 13 Jun 2025 Direct
Jo Ann Quinif DHIL Common Purchase 12% $396,028 $144.01 2,750 25,763 13 Jun 2025 Direct
Jo Ann Quinif DHIL Common Sale -10.7% $396,000 $144.00 -2,750 23,013 13 Jun 2025 Direct
Richard Scott Cooley DHIL Common Purchase 2.05% $37,280 $134.10 278 13,829 06 May 2025 Direct
Richard Scott Cooley DHIL Common Purchase 0.92% $15,996 $129.00 124 13,551 02 May 2025 Direct
Richard Scott Cooley DHIL Common Purchase 5.43% $88,230 $127.50 692 13,427 01 May 2025 Direct
Richard Scott Cooley DHIL Common Purchase 8.52% $124,500 $124.50 1,000 12,735 30 Apr 2025 Direct
L'Quentus Thomas DHIL Common Award 49.8% 926 2,784 29 Apr 2025 Direct
Pierre Nicole Renee St. DHIL Common Award 22.1% 926 5,113 29 Apr 2025 Direct
Paula R. Meyer DHIL Common Award 29.1% 926 4,113 29 Apr 2025 Direct
Gordon B. Fowler DHIL Common Award 13.6% 926 7,713 29 Apr 2025 Direct
Richard Scott Cooley DHIL Common Award 8.57% 926 11,735 29 Apr 2025 Direct
Thomas Edward Line DHIL Common Tax liability -5.33% -795 14,108 01 Apr 2025 Direct
Jo Ann Quinif DHIL Common Tax liability -7.66% -2,136 25,763 01 Apr 2025 Direct
Jo Ann Quinif DHIL Common Other 0.6% 167 27,899 01 Apr 2025 Direct
Heather E. Brilliant DHIL Common Tax liability -5.04% -2,228 41,961 01 Apr 2025 Direct
Heather E. Brilliant DHIL Common Other 0.38% 167 44,189 01 Apr 2025 Direct
Richard Scott Cooley DHIL Common Purchase 0.93% $14,250 $142.50 100 10,809 31 Mar 2025 Direct
L'Quentus Thomas DHIL Common Shares Purchase 0.47% $1,768 $146.50 12.07 2,577 21 Mar 2025 Direct
Richard Scott Cooley DHIL Common Purchase 0.47% $7,175 $143.50 50 10,709 21 Mar 2025 Direct
Richard Scott Cooley DHIL Common Purchase 4.92% $72,000 $144.00 500 10,659 12 Mar 2025 Direct
Richard Scott Cooley DHIL Common Purchase 5.18% $73,000 $146.00 500 10,159 05 Mar 2025 Direct
Richard Scott Cooley DHIL Common Purchase 2.9% $39,168 $144.00 272 9,659 28 Feb 2025 Direct
Jo Ann Quinif DHIL Common Award 32.7% 6,840 27,732 21 Feb 2025 Direct
Thomas Edward Line DHIL Common Award 16% 2,052 14,903 21 Feb 2025 Direct
Heather E. Brilliant DHIL Common Award 24.1% 8,550 44,022 21 Feb 2025 Direct
Richard Scott Cooley DHIL Common Purchase 11.9% $152,250 $152.25 1,000 9,387 20 Dec 2024 Direct
Heather E. Brilliant DHIL Common Gift -4.23% -1,567 35,472 17 Dec 2024 Direct
James F. Laird Jr. DHIL Common Gift -3.85% -500 12,500 10 Dec 2024 Direct
L'Quentus Thomas DHIL Common Shares Purchase 0.42% $1,752 $165.07 10.62 2,565 06 Dec 2024 Direct
James F. Laird Jr. DHIL Common Sale -31.6% $1,021,560 $170.26 -6,000 13,000 21 Nov 2024 Direct
Paula R. Meyer DHIL Common Sale -8.6% $50,700 $169.00 -300 3,187 14 Nov 2024 Direct
James F. Laird Jr. DHIL Common Sale -5% $171,070 $171.07 -1,000 19,000 11 Nov 2024 Direct
Pierre Nicole Renee St. DHIL Common Sale -6.69% $50,100 $167.00 -300 4,187 08 Nov 2024 Direct
James F. Laird Jr. DHIL Common Sale -20% $842,650 $168.53 -5,000 20,000 06 Nov 2024 Direct
Heather E. Brilliant DHIL Common Tax liability -21% -9,850 37,039 01 Oct 2024 Direct
L'Quentus Thomas DHIL Common Sale -11.9% $40,410 $161.64 -250 1,858 23 Sep 2024 Direct
L'Quentus Thomas DHIL Common Shares Purchase 0.54% $2,106 $152.34 13.83 2,555 13 Sep 2024 Direct
James F. Laird Jr. DHIL Common Sale -10.7% $450,600 $150.20 -3,000 25,000 08 Aug 2024 Direct
Heather E. Brilliant DHIL Common Purchase 0.64% $42,000 $140.00 300 46,889 28 Jun 2024 Direct
Jo Ann Quinif DHIL Common Purchase 1.95% $55,696 $139.24 400 20,892 27 Jun 2024 Direct
Heather E. Brilliant DHIL Common Purchase 0.54% $34,845 $139.38 250 46,589 27 Jun 2024 Direct
L'Quentus Thomas DHIL Common Shares Purchase 0.27% $1,006 $149.44 6.73 2,541 14 Jun 2024 Direct
Richard Scott Cooley DHIL Common Purchase 6.34% $75,000 $150.00 500 8,387 03 Jun 2024 Direct
James F. Laird Jr. DHIL Common Sale -8.2% $396,000 $158.40 -2,500 28,000 15 May 2024 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.