undamentalytics Newsletter

Leidos insider trading

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

Insider purchase Insider sale Marker size reflects trade value. Weekly closes adjusted for splits; may be delayed.
Leidos 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 Leidos’s insiders pay?

From January 5, 2010 to September 2, 2026, 39 insiders reported 19 open-market purchases and 83 sales not made under a pre-set plan in Leidos. Twelve months after each purchase was reported, the shares were +19.4% against the S&P 500 on average (median +19.6%), over 19 purchases with a full year of prices; 79% beat the index. After sales, the shares moved −14.4% 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 April 12, 2010 into $55,858 by November 2, 2026, +11.0% a year. It held shares 50% of the time; the S&P 500 on those same days, with Treasury bills otherwise, made $27,527 (+6.3% a year), and held throughout $84,516 (+13.8%).

$0$25.0k$50.0k$75.0k 201020122014201620182020202220242026 $84.5k$55.9k$27.5k
Copying Leidos's insidersS&P 500, same days investedS&P 500, held throughout $10,000 copying every open-market purchase by Leidos's insiders from April 12, 2010, before costs and taxes, marked weekly. Uninvested money earns the Treasury bill rate; the portfolio held shares 50% of the time.
Leidos: each insider's record
InsiderRolePurchases12 months after their purchasesBeat the S&P 500Sales12 months after their salesLatest report
May Gary Stephen Director 0 — — 16 −2.8% (14) September 2, 2026
Stevens Roy E Sector President 0 — — 6 −9.2% (6) August 27, 2025
Mohapatra Surya N Director 2 +15.9% (2) 100% 3 −0.4% (3) November 12, 2024
Drummond Jere A Director 0 — — 4 −25.7% (4) January 12, 2011
Fubini David G Director 0 — — 4 −19.6% (4) March 14, 2024
Hartley John Robert Senior VP and Controller 0 — — 4 −19.9% (4) April 5, 2012
John Miriam E Director 0 — — 4 −1.8% (4) November 17, 2023
Jones Anita K Director 0 — — 4 −26.4% (4) January 7, 2011
Kovarik Robert C Jr Director 0 — — 4 +2.2% (4) February 14, 2025
Dahlberg Gregory R Director 1 +57.1% (1) 100% 2 −44.5% (2) August 13, 2025
Geer Noel B Director 1 +2.3% (1) 100% 2 +58.9% (1) August 13, 2026
Hull Stephen Edward Sector President 0 — — 3 −44.2% (3) September 4, 2025
Jumper John P Director 0 — — 3 +2.3% (3) December 14, 2017
Kraemer Harry M Jansen Jr Director 0 — — 3 −6.4% (3) August 7, 2023
Alderson Deborah Harrell Group President 0 — — 2 −24.3% (2) December 29, 2010
Bell Thomas Arthur CEO 2 +29.8% (2) 100% 0 — August 5, 2024
Craver Joseph W III Group President 0 — — 2 −24.9% (2) January 3, 2011
Howe Jerald S Jr EVP, General Counsel 2 +32.2% (2) 100% 0 — May 8, 2023
Krone Roger A CEO 2 +30.4% (2) 100% 0 — March 9, 2016
Nussdorf Lawrence C Director 2 +5.5% (2) 50% 0 — March 4, 2016
Sanderson Edward J Jr Director 0 — — 2 −26.3% (2) January 10, 2011
Shapard Robert S Director 2 +47.3% (2) 100% 0 — May 8, 2023
Shea K Stuart Group President 0 — — 2 −25.4% (2) January 6, 2011
Walkush Joseph P Executive Vice President 0 — — 2 −29.6% (2) January 14, 2010
Young A Thomas/ca Director 0 — — 2 −26.9% (2) January 4, 2011
Dahlberg Kenneth C Chairman of the Board 1 −14.0% (1) 0% 0 — April 9, 2010
Fasano Gerard A Group President 1 +7.5% (1) 100% 0 — August 13, 2021
Frist Thomas F III Director 1 −16.1% (1) 0% 0 — April 14, 2010
Hamre John J Director 0 — — 1 −21.2% (1) January 11, 2011
Havenstein Walter P Chief Executive Officer 1 −26.8% (1) 0% 0 — September 15, 2010
James Deborah L Executive Vice President 0 — — 1 −24.7% (1) January 6, 2011
Keenan Brian F Executive Vice President 0 — — 1 −24.1% (1) December 23, 2010
Punaro Arnold L Executive Vice President 0 — — 1 −28.9% (1) January 14, 2010
Reagan James EVP, Chief Financial Officer 1 +37.4% (1) 100% 0 — March 15, 2016
Scholl Jonathan W Group President 0 — — 1 −48.1% (1) March 10, 2020
Scott Douglas E Exec VP, Gen'l Counsel & Sec'y 0 — — 1 −29.6% (1) January 12, 2010
Sharp Kenneth P Senior VP and Controller 0 — — 1 +5.2% (1) November 6, 2015
Sopp Mark W Executive VP and CFO 0 — — 1 −26.3% (1) September 21, 2010
Stalnecker Susan M Director 0 — — 1 −1.1% (1) May 3, 2024

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 Leidos

Months when 2 or more insiders became net buyers, or 3 or more net sellers, of Leidos 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 the 3 buying crowds with six months of prices, it averaged +10.1% against the index. After 7 selling crowds, −4.4%. 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
August 29, 20254 selling−0.4%−5.8%−41.7%
November 29, 20243 selling−16.0%−11.7%+0.3%
May 31, 20244 selling+0.8%−1.9%−15.2%
November 30, 20234 selling+8.4%+20.0%+20.7%
May 31, 20234 buying+17.7%+27.6%+63.1%
March 31, 20223 selling+10.4%+1.8%−5.0%
May 29, 20204 selling−27.6%−22.0%−41.3%
March 31, 20164 buying−7.5%+13.8%+25.0%
September 30, 20105 selling−10.7%−11.4%−27.4%
April 30, 20102 buying+2.3%−11.2%−17.2%

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. Total returns from the month end; past patterns are not a forecast.

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