undamentalytics Newsletter

Northrop Grumman insider trading

Every open-market purchase and sale by Northrop Grumman's officers, directors and largest shareholders since November 4, 2021, and what the share price did next.

No insider has bought shares on the open market in five years.

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
Northrop Grumman insider open-market trades
DateInsiderTrade SharesPriceValue 1M after 3M after 6M after

From insiders' Form 4 filings with the SEC: open-market purchases and sales only (awards, option exercises and shares withheld for tax are excluded), combined to one line per insider per day. "Plan" marks trades the filing says were made under a pre-set Rule 10b5-1 trading plan, which are scheduled in advance. Price changes run from the close on the trade date; hover a figure for the change relative to the S&P 500. Past moves don't predict future ones.

Does following Northrop Grumman’s insiders pay?

From March 15, 2010 to February 20, 2026, 36 insiders reported 8 open-market purchases and 123 sales not made under a pre-set plan in Northrop Grumman. Twelve months after each purchase was reported, the shares were +12.9% against the S&P 500 on average (median +13.1%), over 8 purchases with a full year of prices; 75% beat the index. After sales, the shares moved +17.4% against the index over 12 months (a negative figure means selling was the right call). That rests on fewer than 20 purchases, too few to read much into. Buying each purchase the day after it was reported, an equal amount each, held 12 months or until that insider reported a sale, would have turned $10,000 on May 23, 2011 into $30,269 by November 2, 2026, +7.5% a year. It held shares 22% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $20,978 (+4.9% a year), and held throughout $75,139 (+14.0%).

$0$25.0k$50.0k$75.0k 20112013201520172019202120232025 $75.1k$30.3k$21.0k
Copying Northrop Grumman's insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Northrop Grumman's insiders from May 23, 2011, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 22% of the time.
Northrop Grumman: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
Perry David T CVP Chief Global Bus Off 0 — — 12 +20.9% (12) March 8, 2023
Hardesty Michael A Corp VP, Controller & CAO 0 — — 11 +29.3% (8) February 20, 2026
Mills Linda A Corp. VP, Operations 1 +3.4% (1) 100% 8 +18.4% (8) November 20, 2014
Vice Thomas E Corp VP & Pres Aerospace Sys 0 — — 9 +18.4% (9) August 16, 2016
Ervin Gary W. Corp VP & Pres Aerospace Sys 0 — — 8 +7.0% (8) August 31, 2012
Peppard Denise M. Corp VP & Chf HR Ofcr 0 — — 8 +20.8% (8) May 11, 2016
Fraser Darryl M Corp VP, Communications 0 — — 7 +20.9% (7) December 11, 2014
Cheston Sheila C. Corp. VP & General Counsel 0 — — 6 +25.4% (6) February 20, 2014
Warden Kathy J Chair, CEO and President 1 +16.2% (1) 100% 4 +19.8% (3) February 10, 2026
Ashworth Sid Corp VP, Government Relations 0 — — 4 +28.9% (4) February 26, 2015
Bush Wesley G Chairman 2 +16.7% (2) 100% 2 +9.9% (2) February 21, 2019
Peters Aulana L Director 0 — — 4 +10.1% (4) February 13, 2014
Antkowiak Patrick M. Corp VP & CTO 0 — — 3 +21.2% (3) March 3, 2016
Bedingfield Kenneth L Corp VP, CFO 0 — — 3 +16.0% (3) March 1, 2019
Caylor Mark A Corp VP & Pres ES & CSO 0 — — 3 +9.5% (3) August 18, 2016
Flach Gloria A Corp. VP & Pres Electronic Sys 0 — — 3 +15.7% (3) November 12, 2014
Jones Christopher T Corp VP & Pres Tech Svcs 0 — — 3 +14.4% (3) February 25, 2019
Palmer James F Corp. VP 0 — — 3 +21.1% (3) March 11, 2015
Petryszyn Mary D CVP, Pres, Defense Systems 0 — — 3 −20.2% (3) February 8, 2021
Coleman Lewis W Director 0 — — 2 −4.8% (2) May 6, 2011
Fazio Vic Director 0 — — 2 +24.0% (2) February 21, 2014
Kalan Lesley A CVP, Chief Strategy & Dev Ofc 0 — — 2 +23.9% (2) March 10, 2021
Pitts James F Corp VP & Pres Electronic Sys 0 — — 2 +10.1% (2) August 20, 2012
Purvis Shawn N CVP, Pres, Enterprise Svcs 0 — — 2 +25.0% (2) March 9, 2021
Schoewe Thomas M Director 2 +21.7% (2) 50% 0 — November 13, 2012
Addison Ann M Corp VP & Chief HR Officer 0 — — 1 +40.2% (1) March 12, 2021
Davies Benjamin R. CVP & Pres. Defense Systems 0 — — 1 — February 19, 2026
Felsinger Donald E Director 0 — — 1 +2.3% (1) June 7, 2016
Heintz Kenneth N Corporate VP, Controller & CAO 1 −8.3% (1) 0% 0 — May 20, 2011
Hernandez William H Director 1 +15.1% (1) 100% 0 — October 29, 2013
Kleiner Madeleine Director 0 — — 1 −0.5% (1) May 22, 2019
Krapek Karl J Director 0 — — 1 +59.1% (1) November 15, 2021
Livanos Alexander C Corp VP & Chf Tech Officer 0 — — 1 −4.7% (1) May 2, 2011
Rabinowitz Mark Corp. VP & Treasurer 0 — — 1 −5.4% (1) May 9, 2011
Sharer Kevin W Director 0 — — 1 +19.6% (1) March 12, 2014
Yslas Stephen D Corp. VP & General Counsel 0 — — 1 −7.0% (1) March 15, 2010

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.

When several insiders traded Northrop Grumman

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Northrop Grumman in reports dated in the 91 days before the month end, and how the stock did against the S&P 500 from that month end. After 14 selling crowds, +2.9%. One company's history is too short to judge by; the test across every company is the better guide.

MonthCrowd3 months on, vs S&P 5006 months12 months
February 27, 20263 selling−32.8%−37.1%not yet
March 31, 20216 selling+4.4%+2.8%+25.2%
February 28, 20194 selling+6.3%+21.4%+6.8%
February 29, 20163 selling+2.4%−2.2%+5.3%
November 30, 20153 selling+8.2%+13.5%+28.7%
November 28, 20146 selling+14.1%+11.8%+31.9%
November 29, 20137 selling+6.6%+1.4%+9.9%
May 31, 20136 selling+12.7%+28.0%+31.1%
December 31, 20123 selling−4.8%+9.2%+42.1%
August 31, 20126 selling−0.1%−11.8%+24.1%
February 29, 20124 selling+2.7%+9.7%−2.7%
May 31, 20115 selling−7.0%−4.1%−6.2%

Colours show whether the crowd was right: green when buyers were followed by a rise above the index, or sellers by a fall below it. Latest 12 of 14. Total returns from the month end; past patterns are not a forecast.

← Back to Northrop Grumman · Funds · Politicians