InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (13 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
13
T+90 hit rate
100%
T+90 mean return
+5.8%
Across 2 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Browse the complete record of transactions filed by Caylor Mark A, CVP & Pres, Mission Systems. Insider active across 3 companies, notably Northrop Grumman CORP. Aggregated, 22 disclosures have been recorded. Breakdown: 0 buy · 13 sells. Total volume traded: €7.4m. History available since 3 May 2021. The latest transaction was disclosed on 27 May 2026 (Attribution). Regulator: SEC (Form 4). All data is openly available.
Declarations22 total
1,200 shares0Common StockSEC:0001193125-26-248555:0
825 shares@ US$454.6817.4% of flowCommon StockSEC:0001628280-24-006607:0
3,284 shares0Common StockSEC:0001628280-24-005945:0
10,184.43 shares0Common StockSEC:0001628280-24-005296:0
1,670 shares@ US$472.6236.9% of flowCommon StockSEC:0001628280-23-037862:0
1,670 shares@ US$437.8733.3% of flowCommon StockSEC:0001628280-23-028331:0
280 shares@ US$465.506.2% of flowCommon StockSEC:0001628280-23-006702:0
8,112.15 shares0Common StockSEC:0001628280-23-004313:0
2,545 shares0Common StockSEC:0001628280-23-003733:0
60 shares@ US$511.761.6% of flowCommon StockSEC:0001628280-22-028934:0
200 shares@ US$470.344.6% of flowCommon StockSEC:0001628280-22-021985:0
4,038 shares@ US$452.400.0021% mcap30.2% of flowCommon StockSEC:0001628280-22-005249:0
11,026 shares0Common StockSEC:0001628280-22-003048:0
3,830 shares0Common StockSEC:0001628280-22-002863:0
427 shares@ US$363.540.0002% mcap2.5% of flowCommon StockSEC:0001628280-21-024771:0
427 shares@ US$363.540.0002% mcap9.4% of flowCommon StockSEC:0001628280-21-024771
1,655 shares0Common StockSEC:0001628280-21-024704
1,655 shares0Common StockSEC:0001628280-21-024704:0
4,386 shares@ US$358.650.0017% mcap24.4% of flowCommon StockSEC:0001628280-21-016257:0
4,386 shares@ US$358.6524.4% of flowCommon StockSEC:0001628280-21-016257
2,961 sharesCommon StockSEC:0001225208-21-007559
2,961 shares@ US$352.040.0011% mcap15.9% of flowCommon StockSEC:0001225208-21-007559:0
22 of 22 declarations
About Caylor Mark A
Mark A. Caylor is Corporate Vice President and President of Mission Systems at Northrop Grumman Corp. He leads strategic and operational initiatives within the company, focusing on technological innovation and security. His expertise helps strengthen Northrop Grumman's position in the defense sector.
