| 2012-01-22 | Northrop Grumman Innovation Systems, Inc. | D | — | — | — | — |
| 2011-03-04 | Northrop Grumman Innovation Systems, Inc. | A | +57.848 sh | $69.97 | +$4,047.597 | 20,296 |
| 2011-01-23 | Northrop Grumman Innovation Systems, Inc. | D | — | — | — | — |
| 2010-05-12 | Northrop Grumman Innovation Systems, Inc. | A | +4,253 sh | — | — | 11,445 |
| 2010-05-12 | Northrop Grumman Innovation Systems, Inc. | F | −1,391 sh | $78.45 | −$109K | 10,054 |
| 2010-01-25 | Northrop Grumman Innovation Systems, Inc. | D | — | — | — | — |
| 2009-06-03 | Northrop Grumman Innovation Systems, Inc. | M | +8,000 sh | $57.43 | +$459K | 17,715 |
| 2009-06-03 | Northrop Grumman Innovation Systems, Inc. | S | ▼−10.5K sh | $87.00 | ▼−$916K | 7,192 |
| 2009-06-03 | Northrop Grumman Innovation Systems, Inc. | M | −8,000 sh | — | — | 0 |
| 2009-05-19 | Northrop Grumman Innovation Systems, Inc. | A | +3,750 sh | — | — | 10,942 |
| 2009-05-19 | Northrop Grumman Innovation Systems, Inc. | F | −1,227 sh | $85.63 | −$105K | 9,715 |
| 2009-05-14 | Northrop Grumman Innovation Systems, Inc. | D | — | — | — | — |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | M | +7,500 sh | $47.75 | +$358K | 14,692 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−300 sh | $98.95 | ▼−$29.7K | 14,392 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−300 sh | $99.05 | ▼−$29.7K | 14,092 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−1,000 sh | $98.65 | ▼−$98.7K | 13,092 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−200 sh | $98.70 | ▼−$19.7K | 12,892 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−500 sh | $98.79 | ▼−$49.4K | 12,392 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−200 sh | $98.80 | ▼−$19.8K | 12,192 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−100 sh | $98.83 | ▼−$9,883 | 12,092 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−300 sh | $98.84 | ▼−$29.7K | 11,792 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−400 sh | $98.87 | ▼−$39.5K | 11,392 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−900 sh | $98.88 | ▼−$89K | 10,492 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−1,800 sh | $98.90 | ▼−$178K | 8,692 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−300 sh | $98.91 | ▼−$29.7K | 8,392 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−400 sh | $98.96 | ▼−$39.6K | 7,992 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−400 sh | $98.98 | ▼−$39.6K | 7,592 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−300 sh | $99.00 | ▼−$29.7K | 7,292 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | S | ▼−100 sh | $99.04 | ▼−$9,904 | 7,192 |
| 2007-05-11 | Northrop Grumman Innovation Systems, Inc. | M | −7,500 sh | — | — | 0 |
| 2007-05-08 | Northrop Grumman Innovation Systems, Inc. | A | +218 sh | — | — | 7,410 |
| 2007-05-08 | Northrop Grumman Innovation Systems, Inc. | F | −218 sh | $99.79 | −$21.8K | 7,192 |
| 2007-05-08 | Northrop Grumman Innovation Systems, Inc. | A | +14.8K sh | — | — | 14,782 |
| 2007-01-29 | Northrop Grumman Innovation Systems, Inc. | D | — | — | — | — |
| 2005-08-08 | Northrop Grumman Innovation Systems, Inc. | I | −4,429 sh | $77.29 | −$342K | 0 |
| 2005-01-31 | Northrop Grumman Innovation Systems, Inc. | A | +15K sh | — | — | 15,000 |
| 2004-01-20 | Northrop Grumman Innovation Systems, Inc. | A | +8,000 sh | — | — | 8,000 |
| 2003-01-21 | Northrop Grumman Innovation Systems, Inc. | A | +15K sh | — | — | — |
| 2002-05-07 | Northrop Grumman Innovation Systems, Inc. | V | +845 sh | — | — | 845 |
| 2002-05-07 | Northrop Grumman Innovation Systems, Inc. | V | −294 sh | $110.40 | −$32.5K | 5,787 |