# Arthur J. Gallagher & Co. — DEF 14A

Arthur J. Gallagher & Co. of ROLLING MEADOWS, IL filed a DEF 14A with the SEC on 1998-03-27. Industry: Insurance Agents, Brokers & Service.

## Filing

- Filed: 1998-03-27
- Form: DEF 14A
- Accession: 0000950131-98-002090
- Registrant: Arthur J. Gallagher & Co.
- CIK: 0000354190
- Industry (SIC): Insurance Agents, Brokers & Service (6411)
- State of incorporation: DE
- Location: ROLLING MEADOWS, IL

## Filing timeline for this registrant (59)

_Showing 12 of 59 filings._

| Filed | Form |
| --- | --- |
| [2026-04-03](https://search.stillhousedata.com/proxy/0000354190-26-000127) | DEFA14A |
| [2026-03-23](https://search.stillhousedata.com/proxy/0000354190-26-000102) | DEFA14A |
| [2026-03-23](https://search.stillhousedata.com/proxy/0000354190-26-000101) | DEF 14A |
| [2025-03-24](https://search.stillhousedata.com/proxy/0000950170-25-043728) | DEFA14A |
| [2025-03-24](https://search.stillhousedata.com/proxy/0000950170-25-043725) | DEF 14A |
| [2024-03-22](https://search.stillhousedata.com/proxy/0000950170-24-035201) | DEFA14A |
| [2024-03-22](https://search.stillhousedata.com/proxy/0000950170-24-035183) | DEF 14A |
| [2023-04-28](https://search.stillhousedata.com/proxy/0001193125-23-127162) | DEFA14A |
| [2023-03-27](https://search.stillhousedata.com/proxy/0001193125-23-079748) | DEFA14A |
| [2023-03-27](https://search.stillhousedata.com/proxy/0001193125-23-079740) | DEF 14A |
| [2023-03-17](https://search.stillhousedata.com/proxy/0001193125-23-074073) | PRE 14A |
| [2022-04-19](https://search.stillhousedata.com/proxy/0001193125-22-109536) | DEFA14A |

## More

- [CIK 354190 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=354190&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0000950131-98-002090.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.
