DIAMOND HILL INVESTMENT GROUP INC ($DHIL) Insider Transactions

Last updated: 2026-03-14 11:57 UTC | Total transactions: 92

In the last 12 months, insiders at DIAMOND HILL INVESTMENT GROUP INC ($DHIL) filed 92 transactions with the SEC: 26 open-market purchases totaling $1,389,016 and 18 sales totaling $4,649,465. Net insider sentiment: net selling.

DIAMOND HILL INVESTMENT GROUP INC operates in the Investment advice industry (Finance sector).

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Recent Insider Transactions

Transaction Date Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 22, 2024 Thomas L'Quentus Not found P Common Shares 7 $151.87 2,608.6090 2,823,076 0.25% 0.00%
Dec. 8, 2023 Thomas L'Quentus Not found P Common Shares 6 $166.59 2,614.5340 3,010,457 0.23% 0.00%
June 14, 2024 Thomas L'Quentus Not found P Common Shares 7 $149.44 2,540.7310 2,823,076 0.27% 0.00%
Sept. 13, 2024 Thomas L'Quentus Not found P Common Shares 14 $152.34 2,554.5580 2,751,331 0.54% 0.00%
Dec. 6, 2024 Thomas L'Quentus Not found P Common Shares 11 $165.07 2,565.1730 2,732,931 0.42% 0.00%
March 21, 2025 Thomas L'Quentus Not found P Common Shares 12 $146.50 2,577.2420 2,670,469 0.47% 0.00%
June 13, 2025 Thomas L'Quentus Not found P Common Shares 12 $146.51 2,589.4330 2,670,469 0.47% 0.00%
Sept. 12, 2025 Thomas L'Quentus Not found P Common Shares 13 $143.00 2,602.0510 2,729,994 0.49% 0.00%
Oct. 1, 2025 Quinif Jo Ann President of DHCM A Common 21428 $0.00 48,007.0000 2,723,160 80.62% 0.79%
Sept. 23, 2025 Thomas L'Quentus Director S Common 250 $141.10 2,534.0000 2,729,994 8.98% 0.01%
Sept. 5, 2025 Meyer Paula R Director S Common 350 $141.80 3,763.0000 2,729,994 8.51% 0.01%
June 30, 2025 BRILLIANT HEATHER E Chief Executive Officer A Common 27528 $0.00 69,962.0000 2,670,469 64.87% 1.03%
June 13, 2025 Quinif Jo Ann President of DHCM P Common 2750 $144.01 26,579.0000 2,670,469 11.54% 0.10%
June 13, 2025 Quinif Jo Ann President of DHCM S Common 2750 $144.00 23,829.0000 2,670,469 10.35% 0.10%
May 6, 2025 Cooley Richard Scott Director P Common 278 $134.10 13,829.0000 2,670,469 2.05% 0.01%
May 2, 2025 Cooley Richard Scott Director P Common 124 $129.00 13,551.0000 2,670,469 0.92% 0.00%
May 1, 2025 Cooley Richard Scott Director P Common 692 $127.50 13,427.0000 2,670,469 5.43% 0.03%
April 29, 2025 St. Pierre Nicole Renee Director A Common 926 $0.00 5,113.0000 2,670,469 22.12% 0.03%
April 29, 2025 Thomas L'Quentus Director A Common 926 $0.00 2,784.0000 2,670,469 49.84% 0.03%
April 29, 2025 Meyer Paula R Director A Common 926 $0.00 4,113.0000 2,670,469 29.06% 0.03%
April 29, 2025 Fowler Gordon B Director A Common 926 $0.00 7,713.0000 2,670,469 13.64% 0.03%
April 29, 2025 Cooley Richard Scott Director A Common 926 $0.00 11,735.0000 2,670,469 8.57% 0.03%
April 30, 2025 Cooley Richard Scott Director P Common 1000 $124.50 12,735.0000 2,670,469 8.52% 0.04%
April 1, 2025 Quinif Jo Ann President of DHCM J Common 167 $121.41 28,715.0000 2,670,469 0.58% 0.01%
April 1, 2025 BRILLIANT HEATHER E Chief Executive Officer J Common 167 $121.41 44,662.0000 2,670,469 0.38% 0.01%
April 1, 2025 BRILLIANT HEATHER E Chief Executive Officer F Common 2228 $142.84 42,434.0000 2,670,469 4.99% 0.08%
April 1, 2025 Line Thomas Edward Chief Financial Officer F Common 795 $142.84 15,402.0000 2,670,469 4.91% 0.03%
April 1, 2025 Quinif Jo Ann President of DHCM F Common 2136 $142.84 26,579.0000 2,670,469 7.44% 0.08%
March 31, 2025 Cooley Richard Scott Director P Common 100 $142.50 10,809.0000 2,670,469 0.93% 0.00%
March 21, 2025 Cooley Richard Scott Director P Common 50 $143.50 10,709.0000 2,670,469 0.47% 0.00%
March 12, 2025 Cooley Richard Scott Director P Common 500 $144.00 10,659.0000 2,670,469 4.92% 0.02%
March 5, 2025 Cooley Richard Scott Director P Common 500 $146.00 10,159.0000 2,670,469 5.18% 0.02%
Feb. 28, 2025 Cooley Richard Scott Director P Common 272 $144.00 9,659.0000 2,670,469 2.90% 0.01%
Feb. 21, 2025 Line Thomas Edward Chief Financial Officer A Common 2052 $0.00 16,197.0000 2,670,469 14.51% 0.08%
Feb. 21, 2025 BRILLIANT HEATHER E Chief Executive Officer A Common 8550 $0.00 44,495.0000 2,670,469 23.79% 0.32%
Feb. 21, 2025 Quinif Jo Ann President of DHCM A Common 6840 $0.00 28,548.0000 2,670,469 31.51% 0.26%
Dec. 20, 2024 Cooley Richard Scott Director P Common 1000 $152.25 9,387.0000 2,732,931 11.92% 0.04%
Dec. 17, 2024 BRILLIANT HEATHER E Chief Executive Officer G Common 1567 $0.00 35,945.0000 2,732,931 4.18% 0.06%
Dec. 10, 2024 LAIRD JAMES F JR Director G Common 500 $0.00 12,500.0000 2,732,931 3.85% 0.02%
Nov. 21, 2024 LAIRD JAMES F JR Director S Common 6000 $170.26 13,000.0000 2,732,931 31.58% 0.22%
Nov. 14, 2024 Meyer Paula R Director S Common 300 $169.00 3,187.0000 2,732,931 8.60% 0.01%
Nov. 11, 2024 LAIRD JAMES F JR Director S Common 1000 $171.07 19,000.0000 2,732,931 5.00% 0.04%
Nov. 8, 2024 St. Pierre Nicole Renee Director S Common 300 $167.00 4,187.0000 2,732,931 6.69% 0.01%
Nov. 6, 2024 LAIRD JAMES F JR Director S Common 5000 $168.53 20,000.0000 2,732,931 20.00% 0.18%
Oct. 1, 2024 BRILLIANT HEATHER E Chief Executive Officer F Common 9850 $161.61 37,512.0000 2,732,931 20.80% 0.36%
Sept. 23, 2024 Thomas L'Quentus Director S Common 250 $161.64 1,858.0000 2,751,331 11.86% 0.01%
Aug. 8, 2024 LAIRD JAMES F JR Director S Common 3000 $150.20 25,000.0000 2,751,331 10.71% 0.11%
June 27, 2024 Quinif Jo Ann President of DHCM P Common 400 $139.24 21,708.0000 2,823,076 1.88% 0.01%
June 27, 2024 BRILLIANT HEATHER E Chief Executive Officer P Common 250 $139.38 47,062.0000 2,823,076 0.53% 0.01%
June 28, 2024 BRILLIANT HEATHER E Chief Executive Officer P Common 300 $140.00 47,362.0000 2,823,076 0.64% 0.01%
June 3, 2024 Cooley Richard Scott Director P Common 500 $150.00 8,387.0000 2,823,076 6.34% 0.02%
May 15, 2024 LAIRD JAMES F JR Director S Common 2500 $158.40 28,000.0000 2,823,076 8.20% 0.09%
May 15, 2024 Line Thomas Edward Chief Financial Officer G Common 100 $0.00 14,145.0000 2,823,076 0.70% 0.00%
May 13, 2024 Line Thomas Edward Chief Financial Officer S Common 1000 $156.00 16,745.0000 2,823,076 5.64% 0.04%
May 14, 2024 Line Thomas Edward Chief Financial Officer S Common 2000 $156.75 14,745.0000 2,823,076 11.94% 0.07%
May 15, 2024 Line Thomas Edward Chief Financial Officer S Common 500 $160.05 14,245.0000 2,823,076 3.39% 0.02%
May 9, 2024 St. Pierre Nicole Renee Director A Common 723 $0.00 4,487.0000 2,823,076 19.21% 0.03%
May 9, 2024 Thomas L'Quentus Director A Common 723 $0.00 2,108.0000 2,823,076 52.20% 0.03%
May 9, 2024 Meyer Paula R Director A Common 723 $0.00 3,487.0000 2,823,076 26.16% 0.03%
May 9, 2024 Cooley Richard Scott Director A Common 723 $0.00 7,887.0000 2,823,076 10.09% 0.03%
April 1, 2024 BRILLIANT HEATHER E Chief Executive Officer F Common 1528 $154.17 46,812.0000 2,823,076 3.16% 0.05%
April 1, 2024 Quinif Jo Ann President of DHCM J Common 156 $131.04 22,940.0000 2,823,076 0.68% 0.01%
April 1, 2024 Quinif Jo Ann President of DHCM F Common 1632 $154.17 21,308.0000 2,823,076 7.11% 0.06%
April 1, 2024 Line Thomas Edward Chief Financial Officer F Common 739 $154.17 17,745.0000 2,823,076 4.00% 0.03%
April 1, 2024 BRILLIANT HEATHER E Chief Executive Officer J Common 156 $131.04 48,340.0000 2,823,076 0.32% 0.01%
Feb. 16, 2024 Line Thomas Edward Chief Financial Officer A Common 1955 $0.00 18,484.0000 2,823,076 11.83% 0.07%
Jan. 1, 2024 Line Thomas Edward Chief Financial Officer F Common 3681 $165.59 16,529.0000 2,823,076 18.21% 0.13%
Feb. 16, 2024 BRILLIANT HEATHER E Chief Executive Officer A Common 6516 $0.00 48,184.0000 2,823,076 15.64% 0.23%
Feb. 16, 2024 Quinif Jo Ann President of DHCM A Common 5864 $0.00 22,784.0000 2,823,076 34.66% 0.21%
Dec. 18, 2023 LAIRD JAMES F JR Director S Common 500 $169.50 33,000.0000 3,010,457 1.49% 0.02%
Dec. 19, 2023 LAIRD JAMES F JR Director S Common 1000 $170.00 32,000.0000 3,010,457 3.03% 0.03%
Dec. 20, 2023 LAIRD JAMES F JR Director S Common 1500 $170.36 30,500.0000 3,010,457 4.69% 0.05%
Nov. 2, 2023 BRILLIANT HEATHER E Chief Executive Officer P Common 325 $149.48 41,668.0000 3,010,457 0.79% 0.01%
Aug. 30, 2023 Meyer Paula R Director S Common 500 $171.31 2,764.0000 3,010,457 15.32% 0.02%
Aug. 24, 2023 Line Thomas Edward Chief Financial Officer G Common 100 $0.00 20,210.0000 3,010,457 0.49% 0.00%
May 11, 2023 St. Pierre Nicole Renee Director A Common 727 $0.00 3,764.0000 3,010,457 23.94% 0.02%
May 11, 2023 Meyer Paula R Director A Common 727 $0.00 3,264.0000 3,010,457 28.66% 0.02%
May 11, 2023 Cooley Richard Scott Director A Common 727 $0.00 7,164.0000 3,010,457 11.29% 0.02%
May 11, 2023 Zinkula Mark Director A Common 727 $0.00 727.0000 3,010,457 9999.99% 0.02%
May 11, 2023 Thomas L'Quentus Director A Common 727 $0.00 1,385.0000 3,010,457 110.49% 0.02%
March 31, 2023 BRILLIANT HEATHER E Chief Executive Officer J Common 135 $164.58 42,286.0000 3,010,457 0.32% 0.00%
March 31, 2023 Quinif Jo Ann President of DHCM J Common 135 $164.58 18,090.0000 3,010,457 0.75% 0.00%
April 1, 2023 Quinif Jo Ann President of DHCM F Common 1170 $164.58 16,920.0000 3,010,457 6.47% 0.04%
April 1, 2023 Line Thomas Edward Chief Financial Officer F Common 552 $164.58 20,310.0000 3,010,457 2.65% 0.02%
April 1, 2023 BRILLIANT HEATHER E Chief Executive Officer F Common 943 $164.58 41,343.0000 3,010,457 2.23% 0.03%
March 16, 2023 Cooley Richard Scott Director P Common 500 $158.00 6,437.0000 3,010,457 8.42% 0.02%
Feb. 17, 2023 Line Thomas Edward Chief Financial Officer A Common 1306 $0.00 20,862.0000 3,010,457 6.68% 0.04%
Feb. 17, 2023 BRILLIANT HEATHER E Chief Executive Officer A Common 3918 $0.00 42,151.0000 3,010,457 10.25% 0.13%
Oct. 31, 2022 BRILLIANT HEATHER E Chief Executive Officer G Common 281 $0.00 38,233.0000 3,171,536 0.73% 0.01%
March 31, 2022 BRILLIANT HEATHER E Chief Executive Officer P Common 137 $159.21 38,514.0000 3,171,536 0.36% 0.00%
March 7, 2022 BRILLIANT HEATHER E Chief Executive Officer G Common 242 $0.00 38,377.0000 3,171,536 0.63% 0.01%
Aug. 17, 2022 LAIRD JAMES F JR Director G Common 500 $0.00 33,500.0000 3,171,536 1.47% 0.02%