Insider Ledger

DHIL insider buying and SEC filings, explained

Diamond Hill Investment Group Inc. · CIK 909108

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Industry (SIC)
Investment Advice
State of incorporation
OH
Fiscal year end
Dec 31
Former names
BANC STOCK GROUP INC; HEARTLAND GROUP OF COMPANIES INC

Insider activity in the last 12 months

Bought
$12K
Insiders who bought
1
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Dec 8, 2023–Sep 12, 2025Purchase (code P)L'Quentus Thomas (Director) bought 81 shares between Dec 8, 2023 and Sep 12, 2025 at about $151.57 ($12K), reported as a purchase (code P). Holdings up 3% to 2,602 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Mar 10, 2026

13 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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