TOP TIERMARKET NEWSWIRE
Movers explained · October 28, 2026

Why Is KRATOS DEFENSE & SEC (KTOS) Stock Moving Today?

By the Top Tier Newswire AI Desk · September 22, 2026 at 10:47 AM ET · reviewed against 6 wire stories

KRATOS DEFENSE & SEC (KTOS) is drawing unusual attention today. Our newswire has captured 6 stories on KTOS across 5 sources in the last 36 hours, with AI sentiment reading bullish (avg 59/100).

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Kratos Defense & Security Solutions (KTOS) fell 5.04% to $46.14 in afternoon trading on September 22, 2026. The stock opened with a 1.1% gap up from the previous close of $48.59 but quickly reversed course. The decline followed a significant drop in early morning trading after the stock reached an intraday high of $49.72. The session low of $46.02 was reached at 10:35 AM ET, with volume of 1.2 million shares, well below the 3-month average. The move appears to reflect broader market uncertainty and a lack of follow-through on recent positive news.

What Happened

Kratos and GE Aerospace announced a milestone in the development of the GEK800 (F143) turbofan propulsion system for cruise missiles. The companies reported a 100% success rate in the ignition test at Kratos’ X-58 facility. This development is a key step toward the production of the JASSM (Joint Air-to-Surface Standoff Missile) program. Despite the technical progress, the stock declined sharply. The move comes amid a broader context of mixed signals for defense contractors, including a report that Red Cat missed a Pentagon drone procurement round. Additionally, recent insider selling by multiple executives, including SVP Marie Mendoza and President Phillip Carrai, has raised questions about internal confidence.

What The Data Shows

KTOS is trading near its 52-week low of $43.09, having printed 22 fresh 52-week lows on September 22. Over the past eight sessions, the stock has fallen 0.4%, from $46.40 to $46.22. The company’s fundamentals remain mixed: it has a high P/E of 287.6 and a narrow net margin of 2.0%. Insiders have sold 16 times in the last 90 days, totaling $24.7 million. The recent selling activity includes transactions by several top executives, with the most recent reported on September 17. The stock’s beta of 1.11 suggests it is somewhat sensitive to broader market swings, which may have amplified the decline.

What To Watch

The stock has no upcoming earnings report to anchor near-term movement. Investors will likely monitor the breadth of coverage for the GEK800 milestone in the coming days, as well as any further insider transactions or contract awards.

AI-assisted analysis composed exclusively from headlines and data on the Top Tier newswire. Public view is delayed 4 hours from real time. Not financial advice.

KTOS by the numbers

7 sessions: +2.25%Coverage: 6 stories / 5 sourcesAI sentiment: 59/100 (bullish)Mkt cap: $8.9BP/E: 287.652w: $43.09 to $134.00
KTOS · Sep 22 session (5-min) · -2.96% vs prior close · updated 8:56 PM ET
$45.79$47.87$49.95prev close $48.59$47.157:00 AM10:13 AM1:27 PM4:41 PM7:55 PM7:00 AM · $49.137:10 AM · $49.007:20 AM · $49.037:30 AM · $49.027:35 AM · $49.117:40 AM · $49.157:45 AM · $49.097:50 AM · $49.058:05 AM · $49.058:10 AM · $49.038:20 AM · $49.188:25 AM · $49.208:30 AM · $49.208:40 AM · $49.378:45 AM · $49.438:50 AM · $49.409:00 AM · $49.499:05 AM · $49.349:10 AM · $49.729:15 AM · $49.499:20 AM · $49.469:25 AM · $49.509:30 AM · $47.989:35 AM · $48.689:40 AM · $47.749:45 AM · $47.629:50 AM · $47.699:55 AM · $47.5110:00 AM · $47.4610:05 AM · $46.9110:10 AM · $46.7710:15 AM · $46.7110:20 AM · $46.3110:25 AM · $46.4710:30 AM · $46.3210:35 AM · $46.1310:40 AM · $46.1510:45 AM · $46.0810:50 AM · $46.1710:55 AM · $46.0111:00 AM · $46.1611:05 AM · $46.6011:10 AM · $46.7711:15 AM · $47.0011:20 AM · $47.0311:25 AM · $46.9411:30 AM · $46.7311:35 AM · $46.7211:40 AM · $46.8311:45 AM · $46.8711:50 AM · $46.8011:55 AM · $47.0312:00 PM · $46.9612:05 PM · $46.7512:10 PM · $46.8512:15 PM · $46.9012:20 PM · $46.8212:25 PM · $46.9112:30 PM · $46.9512:35 PM · $46.8812:40 PM · $46.8812:45 PM · $47.2312:50 PM · $47.2612:55 PM · $47.201:00 PM · $47.011:05 PM · $47.061:10 PM · $47.121:15 PM · $47.081:20 PM · $46.981:25 PM · $47.031:30 PM · $46.851:35 PM · $46.901:40 PM · $46.981:45 PM · $46.991:50 PM · $47.101:55 PM · $47.262:00 PM · $47.352:05 PM · $47.502:10 PM · $47.432:15 PM · $47.452:20 PM · $47.382:25 PM · $47.442:30 PM · $47.452:35 PM · $47.512:40 PM · $47.502:45 PM · $47.552:50 PM · $47.592:55 PM · $47.783:00 PM · $47.773:05 PM · $47.683:10 PM · $47.633:15 PM · $47.493:20 PM · $47.313:25 PM · $47.243:30 PM · $47.383:35 PM · $47.383:40 PM · $47.353:45 PM · $47.253:50 PM · $47.003:55 PM · $46.994:00 PM · $47.004:10 PM · $47.014:15 PM · $47.104:20 PM · $46.884:25 PM · $47.034:30 PM · $46.974:35 PM · $47.044:40 PM · $47.004:45 PM · $47.044:55 PM · $47.005:00 PM · $46.995:05 PM · $47.045:10 PM · $47.175:25 PM · $47.055:30 PM · $47.055:35 PM · $46.965:40 PM · $46.965:45 PM · $46.925:50 PM · $47.045:55 PM · $47.056:00 PM · $47.056:05 PM · $46.906:10 PM · $47.036:15 PM · $47.056:35 PM · $47.056:40 PM · $47.056:45 PM · $47.056:50 PM · $47.067:00 PM · $47.017:15 PM · $47.267:30 PM · $47.237:35 PM · $47.217:40 PM · $47.177:45 PM · $47.167:55 PM · $47.15
AI sentiment, last 36h · averaged over 6 stories · 59/100 bullish
AI sentiment 59/100 (bullish)0 · bearish50bullish · 100

The headlines behind the move

Story flow · 5 stories on the wire, last 36h · hover or tap a dot for the headline
36h ago24h ago12h agonowStockTitan · sentiment 64 · Kratos Receives $33.6 Million Contract to Provide Power Conversion System for NASA’s Historic SR-1 Freedom Nuclear-Powered SpacecraftStockTitan · 64Kratos Receives $33.6 Million Contract to Provide Power Conversion System for NASA’s Hist…The Fly · sentiment 64 · Kratos Defense receives $33.6M contract from NASAThe Fly · 64Kratos Defense receives $33.6M contract from NASASeeking Alpha · sentiment 67 · Kratos wins $33.6M NASA subcontract for nuclear-powered spacecraftSeeking Alpha · 67Kratos wins $33.6M NASA subcontract for nuclear-powered spacecraftGuruFocus · sentiment 64 · Kratos Defense (KTOS) Secures $33.6M NASA Contract for Space Reactor-1 Freedom Power SystemGuruFocus · 64Kratos Defense (KTOS) Secures $33.6M NASA Contract for Space Reactor-1 Freedom Power SystemGuruFocus · sentiment 42 · KTOS Maintained by RBC Capital -- Price Target Lowered to $55.00GuruFocus · 42KTOS Maintained by RBC Capital -- Price Target Lowered to $55.00
6m agoGuruFocusBEARISH 42Analyst

KTOS Maintained by RBC Capital -- Price Target Lowered to $55.00

3h agoGuruFocusBULLISH 64Product/PR

Kratos Defense (KTOS) Secures $33.6M NASA Contract for Space Reactor-1 Freedom Power System

3h agoSeeking AlphaBULLISH 67Product/PR

Kratos wins $33.6M NASA subcontract for nuclear-powered spacecraft

Kratos wins a $33.6M NASA subcontract for Space Reactor-1 Freedom, boosting its space propulsion portfolio ahead of the 2028 mission.

3h agoThe FlyBULLISH 64Product/PR

Kratos Defense receives $33.6M contract from NASA

4h agoStockTitanBULLISH 64Product/PR

Kratos Receives $33.6 Million Contract to Provide Power Conversion System for NASA’s Historic SR-1 Freedom Nuclear-Powered Spacecraft

Targeted for Launch in 2028, Freedom Will Be the First U.S. Nuclear Fission Reactor-Powered Interplanetary Spacecraft...

2d agoGlobeNewswireNEUTRAL 50Earnings

Kratos Defense & Security Solutions Schedules Third Quarter 2026 Earnings Conference Call for Thursday, November 5th

SAN DIEGO, Oct. 26, 2026 (GLOBE NEWSWIRE) -- Kratos Defense Security Solutions, Inc. (NASDAQ: KTOS), a Technology Company in the Defense, National Security and Global Markets, announced today that it will publish financial...

Frequently asked questions

Why is KTOS stock moving today?

KRATOS DEFENSE & SEC (KTOS) is drawing unusual attention today. Our newswire has captured 6 stories on KTOS across 5 sources in the last 36 hours, with AI sentiment reading bullish (avg 59/100). The most recent driver: "KTOS Maintained by RBC Capital -- Price Target Lowered to $55.00" (GuruFocus).

Is KTOS a buy right now?

Top Tier Newswire does not give financial advice. Our AI sentiment across the last 36 hours of KTOS coverage reads 59/100 over 6 stories; treat it as a research signal and do your own diligence.

How fast does this page update?

The data sections refresh continuously as the newswire lands coverage; the written analysis is published once per trading day. Pro subscribers additionally get real-time push alerts, watchlists, and the full live terminal.

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More on KTOS: full news and sentiment history. Sentiment scores are AI-derived research signals, not financial advice.

Earlier KTOS move explainers: 2026-09-22 · 2026-08-21 · 2026-08-20