| SC 13G/A | 2018-02-12 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | Air Transport Services Group, Inc. | 1,599,166 | 2.7% | EDGAR |
| SC 13G/A | 2018-02-09 | DIMENSIONAL FUND ADVISORS LP | Air Transport Services Group, Inc. | 4,235,212 | 7.2% | EDGAR |
| SC 13G/A | 2018-02-08 | VANGUARD GROUP INC | Air Transport Services Group, Inc. | 4,489,197 | 7.6% | EDGAR |
| SC 13G | 2018-02-08 | BlackRock Inc. | Air Transport Services Group, Inc. | 3,331,539 | 5.6% | EDGAR |
| SC 13G/A | 2018-01-26 | AMAZON COM INC | Air Transport Services Group, Inc. | 3,519,163 | 5.6% | EDGAR |
| SC 13G/A | 2017-07-10 | BlackRock Inc. | Air Transport Services Group, Inc. | 2,966,137 | 5.0% | EDGAR |
| SC 13D/A | 2017-06-06 | RED MOUNTAIN CAPITAL PARTNERS LLC | Air Transport Services Group, Inc. | 2,326,108 | 3.9% | EDGAR |
| SC 13D/A | 2017-06-02 | RED MOUNTAIN CAPITAL PARTNERS LLC | Air Transport Services Group, Inc. | 6,703,438 | 11.3% | EDGAR |
| SC 13G/A | 2017-02-10 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | Air Transport Services Group, Inc. | 3,179,540 | 5.3% | EDGAR |
| SC 13G/A | 2017-02-09 | VANGUARD GROUP INC | Air Transport Services Group, Inc. | 3,839,430 | 6.4% | EDGAR |
| SC 13G/A | 2017-02-09 | DIMENSIONAL FUND ADVISORS LP | Air Transport Services Group, Inc. | 4,996,383 | 8.4% | EDGAR |
| SC 13G | 2017-01-30 | BlackRock Inc. | Air Transport Services Group, Inc. | 3,017,755 | 5.1% | EDGAR |
| SC 13G/A | 2017-01-27 | AMAZON COM INC | Air Transport Services Group, Inc. | 4,899,749 | 7.6% | EDGAR |
| SC 13D/A | 2016-07-15 | RED MOUNTAIN CAPITAL PARTNERS LLC | Air Transport Services Group, Inc. | 7,326,871 | 11.5% | EDGAR |
| SC 13D/A | 2016-06-23 | RED MOUNTAIN CAPITAL PARTNERS LLC | Air Transport Services Group, Inc. | 11,152,425 | 17.5% | EDGAR |
| SC 13G | 2016-03-18 | AMAZON COM INC | Air Transport Services Group, Inc. | 7,098,775 | 10.0% | EDGAR |
| SC 13D/A | 2016-03-14 | RED MOUNTAIN CAPITAL PARTNERS LLC | Air Transport Services Group, Inc. | 11,230,354 | 17.4% | EDGAR |
| SC 13G/A | 2016-02-10 | VANGUARD GROUP INC | Air Transport Services Group, Inc. | 3,483,565 | 5.4% | EDGAR |
| SC 13G/A | 2016-02-09 | DIMENSIONAL FUND ADVISORS LP | Air Transport Services Group, Inc. | 4,571,113 | 7.1% | EDGAR |
| SC 13G/A | 2016-01-29 | PRESCOTT GROUP CAPITAL MANAGEMENT, L.L.C. | Air Transport Services Group, Inc. | 4,936,333 | 7.7% | EDGAR |