| Date Filed | Type | Description |
| 08/02/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
| 08/02/2023 |
8-K
| Quarterly results |
| 06/15/2023 |
11-K
| Form 11-K - Annual report of employee stock purchase, savings and similar plans: |
| 05/24/2023 |
SD
| Form SD - Specialized disclosure report: |
| 05/18/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 05/04/2023 |
8-K
| Submission of Matters to a Vote of Security Holders, Financial Statements and Exhibits Interactive Data |
| 05/03/2023 |
144
| Form 144 - Report of proposed sale of securities: |
| 05/02/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
| 03/17/2023 |
ARS
| Form ARS - Annual Report to Security Holders: |
| 03/17/2023 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 03/17/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 02/23/2023 |
8-K
| Regulation FD Disclosure, Financial Statements and Exhibits Interactive Data |
| 02/14/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/10/2023 |
SC 13G/A
| DIMENSIONAL FUND ADVISORS LP reports a 7.2% stake in Knowles Corp |
| 02/09/2023 |
10-K
| Annual Report for the period ended December 31, 2022 |
| 02/09/2023 |
8-K
| Entry into a Material Definitive Agreement, Results of Operations and Financial Condition, Creation of a Direct Financial Obl... |
| 02/09/2023 |
SC 13G/A
| VANGUARD GROUP INC reports a 11.9% stake in Knowles Corp. |
| 01/31/2023 |
SC 13G/A
| FRANKLIN MUTUAL ADVISERS LLC reports a 7.2% stake in Knowles Corporation |
| 01/26/2023 |
SC 13G/A
| BlackRock Inc. reports a 18.3% stake in KNOWLES CORPORATION |
| 01/20/2023 |
SC 13G/A
| BlackRock Inc. reports a 18.3% stake in KNOWLES CORPORATION |
| 11/28/2022 |
8-K
| Quarterly results |
| 11/16/2022 |
8-K
| Quarterly results |
| 10/27/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
| 10/27/2022 |
8-K
| Quarterly results |
| 08/09/2022 |
8-K
| Quarterly results |
| 08/02/2022 |
10-Q
| Quarterly Report for the period ended June 30, 2022 |
| 08/02/2022 |
8-K
| Quarterly results |
| 07/27/2022 |
8-K
| Quarterly results |
| 06/16/2022 |
11-K
| Form 11-K - Annual report of employee stock purchase, savings and similar plans: |
| 05/26/2022 |
SD
| Form SD - Specialized disclosure report: |
| 05/10/2022 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 05/02/2022 |
8-K
| Quarterly results |
| 04/29/2022 |
8-K
| Quarterly results |
| 04/28/2022 |
10-Q
| Quarterly Report for the period ended March 31, 2022 |
|