| SC 13D/A | 2018-04-09 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 28,024,109 | 16.4% | EDGAR |
| SC 13G | 2018-02-14 | Pasternack Alla | GlyEco, Inc. | 3,523,339 | 2.1% | EDGAR |
| SC 13D/A | 2017-08-18 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 24,986,109 | 15.3% | EDGAR |
| SC 13D/A | 2017-05-17 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 15,942,637 | 12.2% | EDGAR |
| SC 13G/A | 2017-02-14 | FRENKEL LEONID | GlyEco, Inc. | 8,052,706 | 6.6% | EDGAR |
| SC 13D/A | 2017-01-06 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 15,942,637 | 13.1% | EDGAR |
| SC 13D/A | 2016-03-09 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 14,223,887 | 12.9% | EDGAR |
| SC 13G/A | 2016-02-17 | FRENKEL LEONID | GlyEco, Inc. | 8,992,706 | 10.0% | EDGAR |
| SC 13G/A | 2016-02-16 | TRIAGE CAPITAL LF GROUP, LLC | GlyEco, Inc. | 8,992,706 | 10.0% | EDGAR |
| SC 13G | 2015-06-19 | AMATO RALPH | GlyEco, Inc. | 6,100,000 | 8.6% | EDGAR |
| SC 13D/A | 2015-04-16 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 4,984,350 | 7.2% | EDGAR |
| SC 13D/A | 2015-02-25 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 4,984,350 | 7.2% | EDGAR |
| SC 13G/A | 2015-02-17 | FRENKEL LEONID | GlyEco, Inc. | 5,957,526 | 10.0% | EDGAR |
| SC 13D/A | 2014-11-18 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 2,139,335 | 3.7% | EDGAR |
| SC 13D/A | 2014-03-28 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 2,139,335 | 4.3% | EDGAR |
| SC 13D/A | 2014-03-13 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 1,948,122 | 4.0% | EDGAR |
| SC 13G/A | 2014-02-14 | FRENKEL LEONID | GlyEco, Inc. | 5,172,013 | 10.0% | EDGAR |
| SC 13D/A | 2014-01-24 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 1,593,675 | 3.3% | EDGAR |
| SC 13D | 2013-10-15 | WYNNEFIELD PARTNERS SMALL CAP VALUE LP I | GlyEco, Inc. | 1,593,675 | 3.3% | EDGAR |
| SC 13G/A | 2013-02-14 | FRENKEL LEONID | GlyEco, Inc. | 2,680,000 | 7.7% | EDGAR |