MARSH & MCLENNAN COMPANIES, INC. — All Filings
1,007 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
13F-HR
13F-NT
13F-NT/A
144
144/A
25
3
3/A
4
4/A
424B2
424B3
424B4
424B5
5
5/A
8-A12B
8-A12B/A
8-K
8-K/A
ARS
CERT
CORRESP
DEF 14A
DEFA14A
DEFR14A
EFFECT
FWP
NO ACT
POS EX
PRE 14A
PRER14A
PX14A6G
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14D1
SC 14D1/A
SC TO-C
SC TO-I
SC TO-I/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001788 | Mar 27, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000073 | Mar 17, 2026 | Mar 15, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000072 | Mar 12, 2026 | Mar 11, 2026 |
| 144 | — | 0001959173-26-002203 | Mar 11, 2026 | — |
| 8-K | 8-K | 0000062709-26-000071 | Mar 10, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000065 | Mar 5, 2026 | Mar 4, 2026 |
| 144 | — | 0001959173-26-001873 | Mar 4, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000064 | Mar 4, 2026 | Mar 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000060 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000059 | Mar 3, 2026 | Feb 28, 2026 |
| 144 | — | 0001959173-26-001835 | Mar 3, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000058 | Mar 3, 2026 | Feb 28, 2026 |
| 3 | PRIMARY DOCUMENT | 0000062709-26-000063 | Mar 3, 2026 | Feb 25, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000054 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000052 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000056 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000055 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000062 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000057 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000053 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000061 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000040 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000041 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000042 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000044 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000045 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000047 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000046 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000049 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000039 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000050 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000038 | Feb 26, 2026 | Feb 24, 2026 |
| 8-K | 8-K | 0000062709-26-000035 | Feb 25, 2026 | — |
| 8-K | 8-K | 0001193125-26-059544 | Feb 19, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000030 | Feb 18, 2026 | Feb 13, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000029 | Feb 18, 2026 | Feb 13, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000023 | Feb 18, 2026 | Feb 15, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000024 | Feb 18, 2026 | Feb 13, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000025 | Feb 18, 2026 | Feb 13, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000026 | Feb 18, 2026 | Feb 13, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000027 | Feb 18, 2026 | Feb 13, 2026 |
| 4 | PRIMARY DOCUMENT | 0000062709-26-000028 | Feb 18, 2026 | Feb 13, 2026 |
| 424B2 | 424B2 | 0001193125-26-049992 | Feb 13, 2026 | — |
| 424B2 | 424B2 | 0001193125-26-045654 | Feb 11, 2026 | — |
| FWP | FWP | 0001193125-26-046577 | Feb 11, 2026 | — |
| S-8 | FORM S-8 | 0000950103-26-001877 | Feb 10, 2026 | — |
| 10-K | 10-K | 0000062709-26-000022 | Feb 9, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0000062709-26-000014 | Jan 29, 2026 | — |
| 8-K | 8-K | 0000062709-26-000008 | Jan 14, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0000062709-25-000143 | Dec 2, 2025 | Dec 1, 2025 |