| Feb 28, 2019 SForm 4 → | Mar 1, 5:37 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 1,447 | $286.20 | $414,131 | 4,806 | −23.1% | plan? |
| Feb 21, 2019 SForm 4 → | Feb 22, 5:08 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 259 | $288.38 | $74,690 | 6,253 | −3.98% | plan? |
| Feb 19, 2019 SForm 4 → | Feb 21, 5:21 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 2,307 | $285.99 | $659,779 | 6,512 | −26.2% | plan? |
| Feb 19, 2019 FMForm 4 → | Feb 21, 5:21 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 1,375 | $287.35 | $122,986 | 8,819 | — | plan? |
| Feb 13, 2019 FMForm 4 → | Feb 15, 4:24 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 5,773 | — | — | 8,300 | — | plan? |
| Feb 5, 2019 GForm 4 → | Feb 7, 2:03 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 1,271 | — | — | 5,406 | — | plan? |
| Feb 26, 2018 SForm 4 → | Feb 27, 4:25 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 1,296 | $353.20 | $457,747 | 6,677 | −16.3% | plan? |
| Feb 20, 2018 GForm 4 → | Feb 22, 5:28 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 1,231 | — | — | 7,971 | — | plan? |
| Feb 20, 2018 SForm 4 → | Feb 22, 5:28 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 2,941 | $351.06 | $1,032,467 | 9,202 | −24.2% | plan? |
| Feb 18, 2018 FMForm 4 → | Feb 22, 5:19 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 1,485 | $350.36 | $161,866 | 12,143 | — | plan? late |
| Feb 13, 2018 FMForm 4/A → | Feb 26, 5:54 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 4,223 | — | — | 11,584 | — | plan? |
| Feb 13, 2018 FMForm 4 → | Feb 15, 5:38 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 4,225 | — | — | 11,582 | — | plan? amended |
| Feb 23, 2017 SForm 4 → | Feb 24, 4:10 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 329 | $242.11 | $79,654 | 9,550 | −3.33% | plan? |
| Feb 21, 2017 GForm 4 → | Feb 23, 3:50 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 1,700 | — | — | 9,879 | — | plan? |
| Feb 21, 2017 SForm 4 → | Feb 23, 3:50 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 3,389 | $242.09 | $820,443 | 11,579 | −22.6% | plan? |
| Feb 17, 2017 FMForm 4 → | Feb 22, 4:38 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 7,918 | $243.58 | $526,133 | 14,968 | — | plan? |
| May 4, 2016 SForm 4 → | May 6, 4:10 pm EDT | NORTHROP GRUMMAN CORP /DE/NOC | 1,357 | $209.53 | $284,332 | 11,370 | −10.7% | plan? |
| Feb 23, 2016 GForm 4 → | Feb 25, 5:01 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 3,228 | — | — | 12,727 | — | plan? |
| Feb 23, 2016 SForm 4 → | Feb 25, 5:01 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 3,578 | $191.97 | $686,855 | 15,955 | −18.3% | plan? |
| Feb 20, 2016 FMForm 4 → | Feb 23, 5:18 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 3,188 | $190.68 | $196,400 | 19,533 | — | plan? |
| Feb 17, 2016 FForm 4/A → | Feb 23, 5:18 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 2,808 | $190.06 | $533,688 | 18,405 | — | plan? |
| Feb 17, 2016 FMForm 4 → | Feb 19, 7:21 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 9,118 | $190.06 | $536,729 | 18,389 | — | plan? amended |
| Feb 5, 2016 FMForm 4 → | Feb 9, 10:42 am EST | NORTHROP GRUMMAN CORP /DE/NOC | 5,125 | $186.49 | $240,759 | 14,919 | — | plan? |
| Jun 2, 2015 SForm 4 → | Jun 4, 4:04 pm EDT | NORTHROP GRUMMAN CORP /DE/NOC | 385 | $160.35 | $61,788 | 0 | −100% | plan? |
| Feb 20, 2015 SForm 4 → | Feb 24, 3:59 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 4,172 | $171.29 | $714,622 | 12,376 | −25.2% | plan? |
| Feb 18, 2015 FMForm 4 → | Feb 20, 4:04 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 16,779 | $167.68 | $856,006 | 16,548 | — | plan? |
| Feb 13, 2015 FMForm 4 → | Feb 17, 5:14 pm EST | NORTHROP GRUMMAN CORP /DE/NOC | 3,577 | $167.14 | $150,593 | 9,979 | — | plan? |