| Date Filed | Type | Description |
| 08/03/2023 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
| 07/27/2023 |
10-Q
| Quarterly Report for the period ended June 30, 2023 |
| 07/26/2023 |
8-K
| Quarterly results |
| 06/28/2023 |
8-K
| Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements... |
| 05/31/2023 |
11-K
| Form 11-K - Annual report of employee stock purchase, savings and similar plans: |
| 04/27/2023 |
8-K
| Quarterly results |
| 04/27/2023 |
10-Q
| Quarterly Report for the period ended March 31, 2023 |
| 04/26/2023 |
8-K
| Quarterly results |
| 03/10/2023 |
ARS
| Form ARS - Annual Report to Security Holders: |
| 03/10/2023 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 03/10/2023 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 02/23/2023 |
8-K
| Other Events, Financial Statements and Exhibits Interactive Data |
| 02/14/2023 |
5
| GOTTWALD THOMAS E (Chairman, President & CEO) has filed a Form 5 on NEWMARKET CORP |
| 02/14/2023 |
5
| GOTTWALD BRUCE C (10% Owner) has filed a Form 5 on NEWMARKET CORP |
| 02/14/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/14/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/13/2023 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 01/31/2023 |
8-K
| Quarterly results |
| 12/16/2022 |
8-K/A
| Quarterly results |
| 10/31/2022 |
8-K
| Quarterly results |
| 10/27/2022 |
8-K
| Quarterly results |
| 10/25/2022 |
10-Q
| Quarterly Report for the period ended September 30, 2022 |
| 10/24/2022 |
8-K
| Quarterly results |
| 08/04/2022 |
8-K
| Quarterly results |
| 08/03/2022 |
10-Q
| Quarterly Report for the period ended June 30, 2022 |
| 08/02/2022 |
8-K
| Quarterly results |
| 06/02/2022 |
11-K
| Form 11-K - Annual report of employee stock purchase, savings and similar plans: |
| 05/23/2022 |
SC 13G
| Floyd D. Gottwald, Jr. Living Trust reports a 8.6% stake in NEWMARKET CORPORATION |
| 04/28/2022 |
8-K
| Submission of Matters to a Vote of Security Holders, Other Events, Financial Statements and Exhibits Interac... |
| 04/28/2022 |
10-Q
| Quarterly Report for the period ended March 31, 2022 |
| 04/27/2022 |
8-K
| Quarterly results |
| 03/11/2022 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 03/11/2022 |
DEF 14A
| Form DEF 14A - Other definitive proxy statements: |
| 02/24/2022 |
8-K
| Quarterly results |
|