| SC 13G | 2018-04-10 | SailingStone Capital Partners LLC | FAIRMOUNT SANTROL HOLDINGS INC. | 26,519,627 | 11.8% | EDGAR |
| SC 13G/A | 2018-02-14 | Point72 Asset Management, L.P. | FAIRMOUNT SANTROL HOLDINGS INC. | 13,468,364 | 6.0% | EDGAR |
| SC 13G/A | 2018-02-09 | VANGUARD GROUP INC | FAIRMOUNT SANTROL HOLDINGS INC. | 13,188,752 | 5.9% | EDGAR |
| SC 13D | 2017-12-21 | Unimin Corp | FAIRMOUNT SANTROL HOLDINGS INC. | 58,415,452,666 | 26.1% | EDGAR |
| SC 13G | 2017-05-01 | Point72 Asset Management, L.P. | FAIRMOUNT SANTROL HOLDINGS INC. | 13,744,500 | 6.1% | EDGAR |
| SC 13G/A | 2017-02-14 | Point72 Asset Management, L.P. | FAIRMOUNT SANTROL HOLDINGS INC. | 7,749,125 | 3.5% | EDGAR |
| SC 13G/A | 2017-02-14 | ASP FML Holdings, LLC | FAIRMOUNT SANTROL HOLDINGS INC. | 48,156,628 | 21.6% | EDGAR |
| SC 13G | 2017-02-10 | VANGUARD GROUP INC | FAIRMOUNT SANTROL HOLDINGS INC. | 11,761,749 | 5.3% | EDGAR |
| SC 13G/A | 2017-02-02 | Fowler Charles D. | FAIRMOUNT SANTROL HOLDINGS INC. | - | - | EDGAR |
| SC 13G/A | 2016-12-15 | Point72 Asset Management, L.P. | FAIRMOUNT SANTROL HOLDINGS INC. | 11,099,170 | 5.0% | EDGAR |
| SC 13G | 2016-12-07 | Point72 Asset Management, L.P. | FAIRMOUNT SANTROL HOLDINGS INC. | 13,481,721 | 6.0% | EDGAR |
| SC 13G | 2015-02-17 | ASP FML Holdings, LLC | FMSA HOLDINGS INC | 71,156,624 | 44.8% | EDGAR |
| SC 13G | 2015-01-27 | Fowler Charles D. | FMSA HOLDINGS INC | - | - | EDGAR |