There have been 50 recent insider transactions recorded for Northrop Grumman Corporation (NOC), including 13 buys and 34 sells. Total insider buying was valued at $379.84K and total insider selling at $24.5M.
Notable insiders with recent activity include Krishna Arvind, Brown Marianne Catherine, Simpson Kathryn G. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — NOC
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-31 |
Krishna Arvind |
Director |
RSU Award |
53 |
$682.24 |
$36.16K |
2,317 |
| 2026-03-31 |
Brown Marianne Catherine |
Director |
RSU Award |
68 |
$682.24 |
$46.39K |
11,066 |
| 2026-03-02 |
Simpson Kathryn G |
Corp VP & General Counsel |
Informative Sell |
873 |
$745.00 |
$650.39K |
1 |
| 2026-02-27 |
Roeder Roshan S |
CVP & Pres. Mission Systems |
Informative Sell |
1,754 |
$720.00 |
$1.26M |
2,353 |
| 2026-02-19 |
Hardesty Michael A |
Corp VP, Controller & CAO |
Informative Sell |
147 |
$732.98 |
$107.75K |
2,525 |
| 2026-02-19 |
Roeder Roshan S |
CVP & Pres. Mission Systems |
Informative Sell |
512 |
$727.62 |
$372.54K |
4,107 |
| 2026-02-19 |
Simpson Kathryn G |
Corp VP & General Counsel |
Informative Sell |
194 |
$727.62 |
$141.16K |
874 |
| 2026-02-18 |
Davies Benjamin R. |
CVP & Pres. Defense Systems |
Informative Sell |
2,189 |
$719.61 |
$1.58M |
151 |
| 2026-02-17 |
Warden Kathy J |
Chair, CEO and President |
Option Exercise (Sell) |
10,760 |
- |
- |
31,020 |
| 2026-02-17 |
Hardesty Michael A |
Corp VP, Controller & CAO |
Option Exercise (Sell) |
538 |
- |
- |
1,494 |
| 2026-02-17 |
Jones Thomas H |
CVP & Pres Aeronautics Systems |
Option Exercise (Sell) |
2,152 |
- |
- |
6,513 |
| 2026-02-17 |
Roeder Roshan S |
CVP & Pres. Mission Systems |
Informative Sell |
318 |
$702.56 |
$223.41K |
4,619 |
| 2026-02-17 |
Simpson Kathryn G |
Corp VP & General Counsel |
Informative Sell |
779 |
$702.56 |
$547.29K |
1,068 |
| 2026-02-17 |
Fleming Robert J. |
CVP and Pres. Space Systems |
Tax Withholding of RSU |
85 |
$701.12 |
$59.6K |
2,619 |
| 2026-02-17 |
Davies Benjamin R. |
CVP & Pres. Defense Systems |
Tax Withholding of RSU |
123 |
$701.12 |
$86.24K |
2,340 |
| 2026-02-13 |
Hardesty Michael A |
Corp VP, Controller & CAO |
Informative Sell |
1 |
$703.21 |
$703.21 |
3,093 |
| 2026-02-12 |
Grady Christopher W. |
Director |
Unknown |
- |
- |
- |
- |
| 2026-02-12 |
Grady Christopher W. |
Director |
RSU Award |
71 |
$695.06 |
$49.35K |
71 |
| 2026-02-11 |
Warden Kathy J |
Chair, CEO and President |
RSU Award |
8,113 |
- |
- |
41,780 |
| 2026-02-11 |
Hardesty Michael A |
Corp VP, Controller & CAO |
RSU Award |
379 |
- |
- |
2,032 |
| 2026-02-11 |
Greene John |
CVP & Chief Financial Officer |
RSU Award |
4,981 |
- |
- |
4,981 |
| 2026-02-11 |
Jones Thomas H |
CVP & Pres Aeronautics Systems |
RSU Award |
1,701 |
- |
- |
8,665 |
| 2026-02-11 |
Roeder Roshan S |
CVP & Pres. Mission Systems |
Tax Withholding of RSU |
2,968 |
$678.83 |
$2.01M |
3,912 |
| 2026-02-11 |
Simpson Kathryn G |
Corp VP & General Counsel |
Tax Withholding of RSU |
461 |
$678.83 |
$312.94K |
1,653 |
| 2026-02-11 |
Fleming Robert J. |
CVP and Pres. Space Systems |
Tax Withholding of RSU |
300 |
$678.83 |
$203.65K |
2,440 |
| 2026-02-11 |
Davies Benjamin R. |
CVP & Pres. Defense Systems |
Tax Withholding of RSU |
1,214 |
$678.83 |
$824.1K |
2,189 |
| 2026-02-06 |
Warden Kathy J |
Chair, CEO and President |
Informative Sell |
1,306 |
$711.14 |
$928.75K |
171,602 |
| 2026-02-02 |
Welsh Mark A Iii |
Director |
Informative Sell |
5 |
$689.31 |
$3.45K |
4,203 |
| 2026-01-07 |
Greene John |
CVP & Chief Financial Officer |
Unknown |
- |
- |
- |
- |
| 2026-01-06 |
Warden Kathy J |
Chair, CEO and President |
Informative Sell |
3,000 |
$615.00 |
$1.85M |
191,602 |
| 2026-01-05 |
Warden Kathy J |
Chair, CEO and President |
Informative Sell |
7,000 |
$600.00 |
$4.2M |
194,602 |
| 2025-12-31 |
Krishna Arvind |
Director |
RSU Award |
64 |
$570.21 |
$36.49K |
2,257 |
| 2025-12-31 |
Brown Marianne Catherine |
Director |
RSU Award |
81 |
$570.21 |
$46.19K |
10,963 |
| 2025-12-09 |
Roeder Roshan S |
CVP & Pres. Mission Systems |
Informative Sell |
84 |
$555.35 |
$46.65K |
404 |
| 2025-12-05 |
Roeder Roshan S |
CVP & Pres. Mission Systems |
Tax Withholding of RSU |
159 |
$548.97 |
$87.29K |
488 |
| 2025-11-24 |
Welsh Mark A Iii |
Director |
Informative Sell |
1 |
$566.15 |
$566.15 |
4,281 |
| 2025-09-30 |
Krishna Arvind |
Director |
RSU Award |
59 |
$609.32 |
$35.95K |
2,184 |
| 2025-09-30 |
Brown Marianne Catherine |
Director |
RSU Award |
76 |
$609.32 |
$46.31K |
10,836 |
| 2025-07-17 |
Jones Thomas H |
CVP & Pres Aeronautics Systems |
Informative Sell |
729 |
$525.00 |
$382.73K |
6,207 |
| 2025-07-07 |
Welsh Mark A Iii |
Director |
Informative Sell |
1 |
$509.59 |
$509.59 |
4,363 |
| 2025-06-30 |
Krishna Arvind |
Director |
RSU Award |
73 |
$499.98 |
$36.5K |
2,116 |
| 2025-06-30 |
Brown Marianne Catherine |
Director |
RSU Award |
93 |
$499.98 |
$46.5K |
10,718 |
| 2025-06-16 |
Jones Thomas H |
CVP & Pres Aeronautics Systems |
Gift (Given) |
616 |
- |
- |
6,936 |
| 2025-06-13 |
Warden Kathy J |
Chair, CEO and President |
Informative Sell |
7,500 |
$505.77 |
$3.79M |
201,602 |
| 2025-06-13 |
Jones Thomas H |
CVP & Pres Aeronautics Systems |
Informative Sell |
729 |
$505.77 |
$368.71K |
7,552 |
| 2025-06-13 |
Fleming Robert J. |
CVP and Pres. Space Systems |
Informative Sell |
3,500 |
$505.77 |
$1.77M |
1,827 |
| 2025-06-12 |
Warden Kathy J |
Chair, CEO and President |
Informative Sell |
3,750 |
$495.00 |
$1.86M |
209,102 |
| 2025-06-05 |
Welsh Mark A Iii |
Director |
Informative Sell |
1 |
$491.07 |
$491.07 |
4,376 |
| 2025-06-04 |
Roeder Roshan S |
CVP & Pres. Mission Systems |
Informative Sell |
991 |
$490.00 |
$485.59K |
319 |
| 2025-05-30 |
Jones Thomas H |
CVP & Pres Aeronautics Systems |
Informative Sell |
729 |
$480.00 |
$349.92K |
8,281 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
