AJG - Company ID 0000354190
Arthur J. Gallagher & Co. has filed 2,521 public company documents between 1994 and 2026. The most frequent type is insider trade (1,406 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Type | Filing | Filed | Period covered | Open |
|---|---|---|---|---|
| 10-Q | Quarterly report | 24y ago2001-08-13 | 2001-06-30 | View filing |
| S-8 | Employee stock plan | 25y ago2001-06-13 | - | View filing |
| SC 13G | Passive ownership stake | 25y ago2001-05-22 | - | View filing |
| 10-Q | Quarterly report | 25y ago2001-05-14 | 2001-03-31 | View filing |
| DEF 14A | Proxy statement | 25y ago2001-04-02 | 2001-05-22 | View filing |
| 10-K | Annual report | 25y ago2001-03-27 | 2000-12-31 | View filing |
| PRE 14A | PRE 14A | 25y ago2001-03-23 | 2001-05-22 | View filing |
| SC 13G | Passive ownership stake | 25y ago2001-02-12 | - | View filing |
| S-4 | S-4 | 25y ago2001-02-09 | - | View filing |
| 10-Q | Quarterly report | 25y ago2000-11-14 | 2000-09-30 | View filing |
| 10-Q | Quarterly report | 25y ago2000-08-10 | 2000-06-30 | View filing |
| S-8 | Employee stock plan | 26y ago2000-06-23 | - | View filing |
| 10-Q | Quarterly report | 26y ago2000-05-12 | 2000-03-31 | View filing |
| DEF 14A | Proxy statement | 26y ago2000-03-30 | 2000-05-16 | View filing |
| 10-K | Annual report | 26y ago2000-03-23 | 1999-12-31 | View filing |
| PRE 14A | PRE 14A | 26y ago2000-03-20 | 2000-05-16 | View filing |
| 10-Q | Quarterly report | 26y ago1999-11-12 | 1999-09-30 | View filing |
| 10-Q | Quarterly report | 26y ago1999-08-10 | 1999-06-30 | View filing |
| S-3 | Securities registration | 26y ago1999-07-30 | - | View filing |
| S-4/A | S-4/A | 27y ago1999-07-08 | - | View filing |
| 10-Q/A | Quarterly report (amended) | 27y ago1999-07-08 | 1999-03-31 | View filing |
| 10-K/A | Annual report (amended) | 27y ago1999-07-07 | 1998-12-31 | View filing |
| 10-Q | Quarterly report | 27y ago1999-05-17 | 1999-03-31 | View filing |
| S-4/A | S-4/A | 27y ago1999-05-10 | - | View filing |
| S-1 | IPO registration | 27y ago1999-03-29 | - | View filing |
| DEF 14A | Proxy statement | 27y ago1999-03-26 | 1999-05-18 | View filing |
| 10-K | Annual report | 27y ago1999-03-26 | 1998-12-31 | View filing |
| SC 13G/A | Passive ownership stake (update) | 27y ago1999-01-11 | - | View filing |
| SC 13G | Passive ownership stake | 27y ago1999-01-11 | - | View filing |
| SC 13G/A | Passive ownership stake (update) | 27y ago1999-01-08 | - | View filing |
| 10-Q | Quarterly report | 27y ago1998-11-09 | 1998-09-30 | View filing |
| 10-Q | Quarterly report | 27y ago1998-08-03 | 1998-06-30 | View filing |
| S-8 | Employee stock plan | 28y ago1998-06-18 | - | View filing |
| 10-Q | Quarterly report | 28y ago1998-04-29 | 1998-03-31 | View filing |
| DEF 14A | Proxy statement | 28y ago1998-03-27 | 1998-05-19 | View filing |
| POS AM | POS AM | 28y ago1998-03-20 | - | View filing |
| 10-K405 | 10-K405 | 28y ago1998-02-27 | 1997-12-31 | View filing |
| SC 13G | Passive ownership stake | 28y ago1998-02-04 | - | View filing |
| 10-Q | Quarterly report | 28y ago1997-11-07 | 1997-09-30 | View filing |
| 10-Q | Quarterly report | 28y ago1997-08-01 | 1997-06-30 | View filing |
| 10-Q | Quarterly report | 29y ago1997-05-05 | 1997-03-31 | View filing |
| DEF 14A | Proxy statement | 29y ago1997-03-26 | 1997-05-20 | View filing |
| S-1 | IPO registration | 29y ago1997-03-25 | - | View filing |
| 10-K | Annual report | 29y ago1997-03-21 | 1996-12-31 | View filing |
| SC 13G/A | Passive ownership stake (update) | 29y ago1997-02-13 | - | View filing |
| SC 13G/A | Passive ownership stake (update) | 29y ago1997-02-13 | - | View filing |
| 10-Q | Quarterly report | 29y ago1996-11-12 | 1996-09-30 | View filing |
| 10-Q | Quarterly report | 29y ago1996-07-31 | 1996-06-30 | View filing |
| S-8 | Employee stock plan | 30y ago1996-06-20 | - | View filing |
| 10-Q | Quarterly report | 30y ago1996-04-29 | 1996-03-31 | View filing |