Knowles Corp — All Filings
951 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
10-12B
10-12B/A
10-K
10-Q
11-K
144
15-15D
3
4
4/A
424B3
425
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
DEFC14A
DFAN14A
EFFECT
PRE 14A
PREC14A
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-T
SC TO-T/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001673 | Mar 27, 2026 | — |
| ARS | ARS | 0001587523-26-000014 | Mar 11, 2026 | — |
| DEF 14A | DEF 14A | 0001587523-26-000010 | Mar 11, 2026 | — |
| DEFA14A | DEFA14A | 0001587523-26-000011 | Mar 11, 2026 | — |
| 144 | — | 0001968582-26-000163 | Feb 26, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001181355-26-000004 | Feb 26, 2026 | Feb 24, 2026 |
| 4 | PRIMARY DOCUMENT | 0001268517-26-000004 | Feb 24, 2026 | Feb 10, 2026 |
| 144 | — | 0001950047-26-001690 | Feb 24, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001181355-26-000003 | Feb 23, 2026 | Feb 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001535760-26-000007 | Feb 23, 2026 | Feb 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598086-26-000003 | Feb 23, 2026 | Feb 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598091-26-000003 | Feb 23, 2026 | Feb 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001745084-26-000004 | Feb 23, 2026 | Feb 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598318-26-000005 | Feb 23, 2026 | Feb 20, 2026 |
| 4 | PRIMARY DOCUMENT | 0001196914-26-000001 | Feb 23, 2026 | Feb 20, 2026 |
| 8-K | 8-K | 0001587523-26-000007 | Feb 20, 2026 | Feb 17, 2026 |
| 144 | — | 0001959173-26-001276 | Feb 20, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001181355-26-000002 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | PRIMARY DOCUMENT | 0001535760-26-000005 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598086-26-000002 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598091-26-000002 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | PRIMARY DOCUMENT | 0001745084-26-000003 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598318-26-000004 | Feb 19, 2026 | Feb 17, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598318-26-000003 | Feb 11, 2026 | Feb 10, 2026 |
| 144 | — | 0001950047-26-001087 | Feb 10, 2026 | — |
| 144 | — | 0001950047-26-001084 | Feb 10, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001181355-26-000001 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001535760-26-000004 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598086-26-000001 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598091-26-000001 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001745084-26-000002 | Feb 10, 2026 | Feb 9, 2026 |
| 4 | PRIMARY DOCUMENT | 0001745084-26-000001 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001598318-26-000002 | Feb 10, 2026 | Feb 6, 2026 |
| 10-K | 10-K | 0001587523-26-000005 | Feb 9, 2026 | Dec 31, 2025 |
| 144 | — | 0001950047-26-001030 | Feb 9, 2026 | — |
| 144 | — | 0001950047-26-001025 | Feb 9, 2026 | — |
| 144 | — | 0001950047-26-001024 | Feb 9, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001535760-26-000003 | Feb 6, 2026 | — |
| 144 | — | 0001950047-26-001003 | Feb 6, 2026 | — |
| 8-K | 8-K | 0001587523-26-000002 | Feb 5, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001535760-26-000002 | Feb 3, 2026 | — |
| 144 | — | 0001950047-26-000870 | Feb 3, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001598318-26-000001 | Feb 2, 2026 | Jan 30, 2026 |
| SCHEDULE 13G/A | — | 0001023875-26-000003 | Jan 29, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001535760-26-000001 | Jan 20, 2026 | Jan 15, 2026 |
| 144 | — | 0001950047-26-000491 | Jan 15, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001598086-25-000002 | Dec 12, 2025 | Dec 11, 2025 |
| 4 | PRIMARY DOCUMENT | 0001535760-25-000004 | Dec 12, 2025 | Dec 10, 2025 |
| 144 | — | 0001950047-25-010112 | Dec 10, 2025 | — |
| 4 | PRIMARY DOCUMENT | 0001535760-25-000003 | Dec 8, 2025 | Dec 4, 2025 |