DIAMOND HILL INVESTMENT GROUP INC of COLUMBUS, OH filed a DEFA14A with the SEC on 2026-04-13. Industry: Investment Advice.
| Seq | Type | Description |
|---|---|---|
| 1 | DEFA14A | DEFA14A |
| 2 | GRAPHIC | GRAPHIC |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | EX-101.SCH | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT |
| 15 | XML | EXTRACTED XBRL INSTANCE DOCUMENT |
Showing 12 of 45 filings.
| Filed | Form |
|---|---|
| 2026-04-13 | DEFA14A |
| 2026-04-13 | DEF 14A |
| 2026-02-17 | DEFA14A |
| 2026-01-28 | DEFM14A |
| 2026-01-28 | DEFA14A |
| 2026-01-16 | PREM14A |
| 2025-12-18 | DEFA14A |
| 2025-12-11 | DEFA14A |
| 2025-12-11 | DEFA14A |
| 2025-12-11 | DEFA14A |
| 2025-12-11 | DEFA14A |
| 2025-12-11 | DEFA14A |