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Knowles Corp — DEFA14A Filings

17 DEFA14A filings on record

This page lists all DEFA14A 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 17 DEFA14A documents with the SEC since 2013. To view all SEC filings by Knowles Corp, see the full filings list.

Overview All Filings Financials Insiders
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
DEFA14A DEFA14A 0001587523-26-000011 Mar 11, 2026 —
DEFA14A DEFA14A 0001587523-25-000032 Mar 14, 2025 —
DEFA14A DEFA14A 0001587523-24-000034 Mar 15, 2024 —
DEFA14A DEFA14A 0001587523-23-000035 Mar 17, 2023 —
DEFA14A DEFA14A 0001587523-22-000036 Mar 11, 2022 —
DEFA14A DEFA14A 0001587523-21-000045 Mar 11, 2021 —
DEFA14A DEFA14A 0001193125-20-112167 Apr 20, 2020 —
DEFA14A DEFA14A 0001193125-20-099605 Apr 6, 2020 —
DEFA14A DEFA14A 0001193125-20-099598 Apr 6, 2020 —
DEFA14A DEFA14A 0001587523-20-000012 Mar 12, 2020 —
DEFA14A — 0001213900-19-008295 May 10, 2019 —
DEFA14A CURRENT REPORT 0001213900-19-008109 May 9, 2019 —
DEFA14A DEFA14A 0001213900-19-006123 Apr 10, 2019 —
DEFA14A DEFA14A 0001193125-18-082095 Mar 14, 2018 —
DEFA14A DEFA14A 0001193125-17-135304 Apr 25, 2017 —
DEFA14A DEFA14A 0001193125-16-504850 Mar 15, 2016 —
DEFA14A DEFA14A 0001193125-15-091487 Mar 13, 2015 —