Knowles Corp — SCHEDULE 13G/A Filings
6 SCHEDULE 13G/A filings on record
This page lists all SCHEDULE 13G/A filings submitted to the SEC by Knowles Corp (KN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Knowles Corp has filed 6 SCHEDULE 13G/A documents with the SEC since 2013. To view all SEC filings by Knowles Corp, see the full filings list.
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 | — |
| SCHEDULE 13G/A | — | 0001023875-26-000003 | Jan 29, 2026 | — |
| SCHEDULE 13G/A | — | 0000936753-25-000083 | Nov 14, 2025 | — |
| SCHEDULE 13G/A | — | 0002052113-25-003318 | Jul 18, 2025 | — |
| SCHEDULE 13G/A | — | 0001023875-25-000015 | May 9, 2025 | — |
| SCHEDULE 13G/A | — | 0001023875-25-000005 | Jan 27, 2025 | — |