| SC 13G/A | 2023-01-13 | Sudbury Capital Fund, LP | MANNATECH INC | 141,139 | 7.6% | EDGAR |
| SC 13G/A | 2022-02-08 | Challen Michael | MANNATECH INC | 771 | 0.0% | EDGAR |
| SC 13G/A | 2022-01-04 | Sudbury Capital Fund, LP | MANNATECH INC | 142,340 | 7.4% | EDGAR |
| SC 13G/A | 2021-01-27 | Sudbury Capital Fund, LP | MANNATECH INC | 154,327 | 7.4% | EDGAR |
| SC 13G/A | 2020-01-27 | Sudbury Capital Fund, LP | MANNATECH INC | 130,274 | 5.5% | EDGAR |
| SC 13G | 2019-05-06 | Sudbury Capital Fund, LP | MANNATECH INC | 120,150 | 5.0% | EDGAR |
| SC 13G/A | 2019-02-13 | RENAISSANCE TECHNOLOGIES LLC | MANNATECH INC | 17,797 | 0.8% | EDGAR |
| SC 13G/A | 2019-02-11 | Challen Michael | MANNATECH INC | 199,997 | 8.4% | EDGAR |
| SC 13G/A | 2018-02-14 | RENAISSANCE TECHNOLOGIES LLC | MANNATECH INC | 206,581 | 7.6% | EDGAR |
| SC 13G/A | 2018-02-07 | Challen Michael | MANNATECH INC | 190,581 | 6.9% | EDGAR |
| SC 13G | 2018-01-02 | Rameson Tyler | MANNATECH INC | 268,748 | 9.7% | EDGAR |
| SC 13G/A | 2017-02-14 | RENAISSANCE TECHNOLOGIES LLC | MANNATECH INC | 199,260 | 7.4% | EDGAR |
| SC 13G/A | 2017-01-30 | Challen Michael | MANNATECH INC | 190,057 | 7.1% | EDGAR |
| SC 13G | 2017-01-11 | Rameson Tyler | MANNATECH INC | 239,398 | 8.5% | EDGAR |
| SC 13G | 2016-02-12 | RENAISSANCE TECHNOLOGIES LLC | MANNATECH INC | 171,660 | 6.4% | EDGAR |
| SC 13G/A | 2016-02-09 | Challen Michael | MANNATECH INC | 187,557 | 7.2% | EDGAR |
| SC 13G/A | 2015-02-05 | Challen Michael | MANNATECH INC | 228,758 | 8.6% | EDGAR |
| SC 13G/A | 2015-01-06 | Rameson Tyler | MANNATECH INC | 228,815 | 8.6% | EDGAR |
| SC 13G | 2013-11-25 | Challen Michael | MANNATECH INC | 241,258 | 9.1% | EDGAR |
| SC 13G | 2013-11-25 | Rameson Tyler | MANNATECH INC | 241,258 | 9.1% | EDGAR |