Main Street Capital CORP — All Filings
1,012 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.
All
10-K
10-Q
144
25
25-NSE
3
4
4/A
40-17G
40-6C
40-6C/A
40-APP
40-APP/A
424B2
424B3
497
497AD
5
5/A
8-A12B
8-K
APP NTC
APP ORDR
APP WD
CERT
CERTNAS
CERTNYS
CORRESP
D
DEF 14A
DEFA14A
EFFECT
FWP
N-2
N-2/A
N-23C-2
N-23C-2/A
N-2ASR
N-54A
N-6F
NO ACT
POS 8C
POS EX
PRE 14A
S-8
S-8 POS
SC 13G
SC 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 497AD | 497AD | 0001396440-26-000035 | Mar 27, 2026 | — |
| 497AD | 497AD | 0001396440-26-000034 | Mar 27, 2026 | — |
| FWP | FWP | 0001396440-26-000033 | Mar 27, 2026 | — |
| 424B2 | 424B2 | 0001396440-26-000025 | Mar 27, 2026 | — |
| DEF 14A | DEF 14A | 0001396440-26-000020 | Mar 23, 2026 | — |
| 4 | — | 0001182313-26-000004 | Mar 11, 2026 | Feb 13, 2026 |
| 4 | — | 0001525628-26-000004 | Mar 11, 2026 | Feb 13, 2026 |
| 4 | — | 0001007549-26-000004 | Mar 11, 2026 | Feb 13, 2026 |
| 4 | — | 0001667260-26-000004 | Mar 11, 2026 | Feb 13, 2026 |
| 4 | — | 0001448240-26-000006 | Mar 11, 2026 | Feb 13, 2026 |
| 4 | — | 0001414109-26-000006 | Mar 11, 2026 | Feb 13, 2026 |
| 4 | — | 0001414108-26-000005 | Mar 11, 2026 | Feb 13, 2026 |
| 4 | — | 0001437113-26-000006 | Mar 11, 2026 | Feb 13, 2026 |
| 4 | — | 0001236849-26-000004 | Mar 11, 2026 | Feb 13, 2026 |
| 4 | — | 0001069725-26-000004 | Mar 11, 2026 | Feb 13, 2026 |
| FWP | FWP | 0001396440-26-000017 | Feb 27, 2026 | — |
| 10-K | 10-K | 0001396440-26-000016 | Feb 27, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001396440-26-000012 | Feb 26, 2026 | — |
| 8-K | 8-K | 0001396440-26-000009 | Feb 24, 2026 | — |
| 4 | — | 0001448240-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 4 | — | 0001525628-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 4 | — | 0001236849-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 4 | — | 0001667260-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 4 | — | 0001069725-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 4 | — | 0001007549-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 4 | — | 0001414108-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 4 | — | 0001414109-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 4 | — | 0001182313-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 4 | — | 0001437113-26-000003 | Feb 13, 2026 | Jan 15, 2026 |
| 8-K | 8-K | 0001396440-26-000005 | Jan 15, 2026 | — |
| 4 | — | 0001182313-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 4 | — | 0001437113-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 4 | — | 0001007549-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 4 | — | 0001069725-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 4 | — | 0001236849-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 4 | — | 0001667260-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 4 | — | 0001448240-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 4 | — | 0001414108-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 4 | — | 0001414109-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 4 | — | 0001525628-26-000002 | Jan 13, 2026 | Dec 15, 2025 |
| 8-K | 8-K | 0001396440-26-000003 | Jan 8, 2026 | — |
| 4 | — | 0001667260-25-000008 | Dec 5, 2025 | Nov 14, 2025 |
| 4 | — | 0001525628-25-000008 | Dec 5, 2025 | Nov 14, 2025 |
| 4 | — | 0001182313-25-000007 | Dec 5, 2025 | Nov 14, 2025 |
| 4 | — | 0001007549-25-000008 | Dec 5, 2025 | Nov 14, 2025 |
| 4 | — | 0001448240-25-000010 | Dec 5, 2025 | Nov 14, 2025 |
| 4 | — | 0001414109-25-000012 | Dec 5, 2025 | Nov 14, 2025 |
| 4 | — | 0001414108-25-000012 | Dec 5, 2025 | Nov 14, 2025 |
| 4 | — | 0001236849-25-000008 | Dec 5, 2025 | Nov 14, 2025 |
| 4 | — | 0001069725-25-000008 | Dec 5, 2025 | Nov 14, 2025 |