| Feb 24, 2019 FForm 4 → | Feb 26, 12:22 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 467 | $27.54 | $12,861 | 67,825 | — | plan? |
| Jan 28, 2019 FForm 4/A → | Feb 22, 6:52 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 453 | $25.20 | $11,416 | 68,292 | — | plan? |
| Jan 28, 2019 AFForm 4 → | Jan 30, 11:39 am EST | SIMMONS FIRST NATIONAL CORPSFNC | 1,453 | $25.20 | $36,616 | 69,294 | — | plan? amended |
| Jan 19, 2019 AFForm 4/A → | Feb 20, 2:55 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 1,370 | $26.17 | $35,853 | 68,745 | — | plan? |
| Jan 18, 2019 AFMForm 4 → | Jan 23, 7:12 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 3,789 | $26.37 | $99,907 | 68,747 | — | plan? |
| Jan 17, 2019 FMForm 4 → | Jan 18, 7:25 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 2,290 | $26.43 | $60,525 | 67,320 | — | plan? |
| Jan 16, 2019 AFForm 4 → | Jan 17, 7:05 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 13,336 | $26.27 | $350,337 | 66,458 | — | plan? |
| Apr 26, 2018 SForm 4 → | Apr 30, 5:16 pm EDT | SIMMONS FIRST NATIONAL CORPSFNC | 21,546 | $30.32 | $653,275 | 61,714 | −25.9% | plan? |
| Apr 26, 2018 MForm 4 → | Apr 30, 5:16 pm EDT | SIMMONS FIRST NATIONAL CORPSFNC | 8,760 | $15.16 | $132,802 | 83,260 | — | plan? |
| Mar 25, 2018 FForm 4 → | Mar 27, 2:28 pm EDT | SIMMONS FIRST NATIONAL CORPSFNC | 443 | $28.75 | $12,736 | 74,500 | — | plan? |
| Feb 24, 2018 FForm 4 → | Feb 27, 6:53 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 939 | $29.20 | $27,419 | 74,943 | — | plan? |
| Jan 27, 2018 FForm 4 → | Jan 30, 3:16 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 227 | $59.25 | $13,450 | 37,941 | — | plan? |
| Jan 19, 2018 AFForm 4 → | Jan 23, 2:22 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 686 | $59.15 | $40,577 | 38,168 | — | plan? |
| Jan 18, 2018 AFForm 4 → | Jan 22, 7:41 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 3,616 | $58.25 | $210,632 | 37,910 | — | plan? |
| Jan 17, 2018 FMForm 4 → | Jan 19, 5:07 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 1,075 | $58.80 | $63,210 | 36,572 | — | plan? |
| Dec 29, 2017 AFForm 4 → | Jan 3, 2018, 7:03 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 19,007 | $57.10 | $1,085,360 | 36,073 | — | plan? |
| Mar 25, 2017 FForm 4 → | Mar 28, 5:36 pm EDT | SIMMONS FIRST NATIONAL CORPSFNC | 168 | $54.20 | $9,106 | 30,080 | — | plan? |
| Feb 24, 2017 FForm 4 → | Feb 28, 4:57 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 499 | $58.62 | $29,250 | 30,248 | — | plan? |
| Jan 27, 2017 FForm 4 → | Jan 30, 2:20 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 172 | $60.95 | $10,483 | 30,747 | — | plan? |
| Jan 19, 2017 AFForm 4 → | Jan 20, 8:50 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 634 | $60.55 | $38,389 | 30,919 | — | plan? |
| Jan 17, 2017 AFForm 4 → | Jan 19, 3:45 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 4,022 | $58.50 | $235,287 | 30,609 | — | plan? |
| Dec 31, 2016 FForm 4 → | Jan 4, 2017, 5:07 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 356 | $62.65 | $22,303 | 28,667 | — | plan? |
| May 23, 2016 SForm 4 → | May 23, 5:50 pm EDT | SIMMONS FIRST NATIONAL CORPSFNC | 2,503 | $46.40 | $116,139 | 29,023 | −7.94% | plan? |
| Mar 25, 2016 FForm 4 → | Mar 29, 7:24 pm EDT | SIMMONS FIRST NATIONAL CORPSFNC | 168 | $44.04 | $7,399 | 31,526 | — | plan? |
| Feb 27, 2016 FForm 4 → | Mar 1, 5:39 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 318 | $42.12 | $13,395 | 31,694 | — | plan? |
| Feb 24, 2016 FForm 4 → | Feb 26, 3:53 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 353 | $41.41 | $14,619 | 32,012 | — | plan? |
| Jan 20, 2016 AFForm 4 → | Jan 21, 3:49 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 5,477 | $47.02 | $257,529 | 32,704 | — | plan? amended |
| Jan 2, 2016 FForm 4 → | Feb 2, 6:23 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 339 | $46.75 | $15,848 | 32,365 | — | plan? late |
| Dec 31, 2015 JForm 5 → | Feb 9, 2016, 1:41 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 194 | $38.54 | $7,477 | 423 | — | plan? |
| Nov 6, 2015 FMForm 4 → | Nov 10, 3:58 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 3,260 | $36.57 | $119,209 | 30,201 | — | plan? |
| May 13, 2015 SForm 4 → | May 13, 6:51 pm EDT | SIMMONS FIRST NATIONAL CORPSFNC | 2,350 | $43.63 | $102,531 | 29,061 | −7.48% | plan? |
| May 13, 2015 MForm 4 → | May 13, 6:51 pm EDT | SIMMONS FIRST NATIONAL CORPSFNC | 940 | $24.50 | $23,030 | 31,411 | — | plan? |
| Mar 25, 2015 AForm 4 → | Mar 25, 6:09 pm EDT | SIMMONS FIRST NATIONAL CORPSFNC | 1,465 | $44.40 | $65,046 | 30,471 | — | plan? |
| Feb 11, 2015 AForm 4 → | Feb 12, 5:42 pm EST | SIMMONS FIRST NATIONAL CORPSFNC | 2,350 | $39.54 | $92,919 | 29,006 | — | plan? |