| SC 13G/A | 2023-02-10 | Versor Investments LP | FERRO CORP | 0 | 0.0% | EDGAR |
| SC 13D/A | 2022-04-22 | GAMCO INVESTORS, INC. ET AL | FERRO CORP | - | 0.0% | EDGAR |
| SC 13D/A | 2022-03-14 | GAMCO INVESTORS, INC. ET AL | FERRO CORP | 2,746,696 | 3.3% | EDGAR |
| SC 13G/A | 2022-03-11 | BlackRock Inc. | FERRO CORP | 12,466,025 | 15.1% | EDGAR |
| SC 13G | 2022-02-17 | Versor Investments LP | FERRO CORP | 4,159,383 | 5.0% | EDGAR |
| SC 13G/A | 2022-02-10 | VANGUARD GROUP INC | FERRO CORP | 9,010,244 | 10.9% | EDGAR |
| SC 13G | 2022-02-08 | BlackRock Inc. | FERRO CORP | 12,466,025 | 15.1% | EDGAR |
| SC 13G/A | 2022-02-02 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | FERRO CORP | 0 | 0.0% | EDGAR |
| SC 13D/A | 2022-01-12 | GAMCO INVESTORS, INC. ET AL | FERRO CORP | 2,825,817 | 3.4% | EDGAR |
| SC 13D | 2021-05-21 | Magnetar Financial LLC | FERRO CORP | 4,881,152 | 5.9% | EDGAR |
| SC 13G/A | 2021-02-11 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | FERRO CORP | 6,067,639 | 7.4% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | FERRO CORP | 8,522,184 | 10.4% | EDGAR |
| SC 13D/A | 2021-02-08 | GAMCO INVESTORS, INC. ET AL | FERRO CORP | 3,094,181 | 3.8% | EDGAR |
| SC 13G/A | 2021-01-26 | BlackRock Inc. | FERRO CORP | 12,498,850 | 15.2% | EDGAR |
| SC 13G | 2020-02-14 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | FERRO CORP | 5,289,569 | 6.5% | EDGAR |
| SC 13G/A | 2020-02-12 | VANGUARD GROUP INC | FERRO CORP | 8,662,572 | 10.6% | EDGAR |
| SC 13G/A | 2020-02-04 | BlackRock Inc. | FERRO CORP | 12,571,371 | 15.3% | EDGAR |
| SC 13G/A | 2020-01-28 | WELLINGTON MANAGEMENT GROUP LLP | FERRO CORP | 1,203,579 | 1.5% | EDGAR |
| SC 13G/A | 2019-04-10 | BlackRock Inc. | FERRO CORP | 12,008,753 | 14.6% | EDGAR |
| SC 13G/A | 2019-04-08 | VANGUARD GROUP INC | FERRO CORP | 8,826,334 | 10.7% | EDGAR |