SC 13G/A | 2017-02-09 | DIMENSIONAL FUND ADVISORS LP | PAM TRANSPORTATION SERVICES INC | 336,937 | 5.3% | EDGAR |
SC 13D/A | 2016-05-02 | MOROUN MATTHEW T | PAM TRANSPORTATION SERVICES INC | 3,903,670 | 59.4% | EDGAR |
SC 13G/A | 2016-02-09 | DIMENSIONAL FUND ADVISORS LP | PAM TRANSPORTATION SERVICES INC | 536,970 | 7.6% | EDGAR |
SC 13G/A | 2015-02-05 | FRANKLIN RESOURCES INC | PAM TRANSPORTATION SERVICES INC | 154,678 | 1.9% | EDGAR |
SC 13G/A | 2015-02-05 | DIMENSIONAL FUND ADVISORS LP | PAM TRANSPORTATION SERVICES INC | 663,864 | 8.3% | EDGAR |
SC 13D/A | 2015-01-29 | MOROUN MATTHEW T | PAM TRANSPORTATION SERVICES INC | 4,331,877 | 58.4% | EDGAR |
SC 13G/A | 2014-02-13 | FRANKLIN RESOURCES INC | PAM TRANSPORTATION SERVICES INC | 565,000 | 6.5% | EDGAR |
SC 13G/A | 2014-02-10 | DIMENSIONAL FUND ADVISORS LP | PAM TRANSPORTATION SERVICES INC | 629,283 | 7.3% | EDGAR |
SC 13G | 2014-02-10 | DONALD SMITH & CO., INC. | PAM TRANSPORTATION SERVICES INC | 385,082 | 4.4% | EDGAR |
SC 13D/A | 2014-01-29 | MOROUN MATTHEW T | PAM TRANSPORTATION SERVICES INC | 4,731,373 | 59.3% | EDGAR |
SC 13G | 2013-02-13 | DONALD SMITH & CO., INC. | PAM TRANSPORTATION SERVICES INC | 522,616 | 6.0% | EDGAR |
SC 13G/A | 2013-02-12 | FRANKLIN RESOURCES INC | PAM TRANSPORTATION SERVICES INC | 560,000 | 6.4% | EDGAR |
SC 13G/A | 2013-02-11 | DIMENSIONAL FUND ADVISORS LP | PAM TRANSPORTATION SERVICES INC | 634,682 | 7.3% | EDGAR |
SC 13G/A | 2012-02-14 | DIMENSIONAL FUND ADVISORS LP | PAM TRANSPORTATION SERVICES INC | 633,531 | 7.1% | EDGAR |
SC 13G/A | 2012-02-09 | FRANKLIN RESOURCES INC | PAM TRANSPORTATION SERVICES INC | 535,000 | 6.0% | EDGAR |
SC 13G/A | 2011-02-14 | SCOPUS ASSET MANAGEMENT, L.P. | PAM TRANSPORTATION SERVICES INC | 328,748 | 3.5% | EDGAR |
SC 13G/A | 2011-02-11 | DIMENSIONAL FUND ADVISORS LP | PAM TRANSPORTATION SERVICES INC | 641,154 | 6.8% | EDGAR |
SC 13G/A | 2011-02-08 | FRANKLIN RESOURCES INC | PAM TRANSPORTATION SERVICES INC | 500,401 | 5.3% | EDGAR |
SC 13G/A | 2010-02-16 | SCOPUS ASSET MANAGEMENT, L.P. | PAM TRANSPORTATION SERVICES INC | 676,815 | 7.2% | EDGAR |
SC 13G/A | 2010-02-08 | DIMENSIONAL FUND ADVISORS LP | PAM TRANSPORTATION SERVICES INC | 635,142 | 6.8% | EDGAR |