| Date Filed | Type | Description |
| 04/13/2020 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)]: |
| 04/02/2020 |
SC 13D/A
| GAMCO INVESTORS, INC. ET AL reports a 0% stake in OMNOVA Solutions Inc. |
| 04/01/2020 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 04/01/2020 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 04/01/2020 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 04/01/2020 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 04/01/2020 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 04/01/2020 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 04/01/2020 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 04/01/2020 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 04/01/2020 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 04/01/2020 |
8-K
| Termination of a Material Definitive Agreement, Completion of Acquisition or Disposition of Assets, Notice of Delisting or Fa... |
| 04/01/2020 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities: |
| 03/30/2020 |
10-Q
| Quarterly Report for the period ended February 29, 2020 |
| 03/27/2020 |
SC 13D/A
| GAMCO INVESTORS, INC. ET AL reports a 4.8% stake in OMNOVA Solutions Inc. |
| 03/27/2020 |
10-K/A
| Annual Report for the period ended November 30, 2019 [amend] |
| 03/26/2020 |
8-K
| Quarterly results |
| 03/06/2020 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 02/12/2020 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 02/11/2020 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 02/10/2020 |
SC 13G/A
| RBC Global Asset Management reports a 0.3% stake in OMNOVA Solutions Inc. |
| 02/05/2020 |
SC 13G/A
| BlackRock Inc. reports a 7.4% stake in OMNOVA SOLUTIONS INC |
| 01/31/2020 |
10-K
| Annual Report for the period ended November 30, 2019 |
| 01/27/2020 |
SC 13G/A
| WELLINGTON MANAGEMENT GROUP LLP reports a 2.5% stake in OMNOVA Solutions Inc. |
| 01/27/2020 |
SC 13G/A
| ARP AMERICAS LLC reports a 6.4% stake in OMNOVA SOLUTIONS INC. |
| 01/15/2020 |
8-K
| Other Events, Financial Statements and Exhibits |
| 11/25/2019 |
SC 13G
| ARP AMERICAS LLC reports a 5% stake in OMNOVA SOLUTIONS INC. |
| 10/10/2019 |
8-K
| Quarterly results |
| 10/03/2019 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
| 09/26/2019 |
10-Q
| Quarterly Report for the period ended August 31, 2019 |
| 09/09/2019 |
GN
| Shareholder Alert: Halper Sadeh LLP Continues to Investigate Whether the Sale of These Companies is Fair to Shareholders – ORIT, GWR, OMN, PVTL |
| 09/09/2019 |
DEFM14A
| Form DEFM14A - Definitive proxy statement relating to merger or acquisition: |
| 08/29/2019 |
SC 13D/A
| GAMCO INVESTORS, INC. ET AL reports a 4.8% stake in OMNOVA Solutions Inc. |
| 08/27/2019 |
DEFA14A
| Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material: |
|