Insiders Trades
Mercury Systems Inc Stock: price and insider trades · United States
No insider purchase over the last 90 days. The latest was filed 29 Aug 2024.
Mercury Systems Inc: what insiders have been doing
Every trade that managers of Mercury Systems Inc disclose to SEC (Form 4) is tracked on this page. The company sits in the Defense & Aerospace sector and is based in Andover, United States. It was founded in 1981. From 18 October 2025 to 18 October 2026, the disclosure feed for Mercury Systems Inc logged 78 filings by 18 insiders.
Only sales appear on the open market, 23 sales in all totalling €139.4M, filed by 8 insiders. At €65.6M, the sale published on 10 November 2025 by JANA Partners Management, LP is the largest of the period.
The median gap between a trade and its publication by SEC (Form 4) is 2 days. Section 16 rules allow two business days to file each Form 4. Keep in mind that insiders sell for many reasons unrelated to the outlook, from tax bills to estate planning.
For context, the typical company on the same exchange (median of 5,814 companies) published 19 filings over the same period, against 78 filings here. Since 2021, the database holds 15 purchases and 90 sales by insiders of the company. The 10-K for the year ended 3 July 2026 shows 983.6 m USD of revenue and -29.7 m USD of net income.
Elsewhere in the same sector, our signals recently picked up insider purchases at Heico Corp. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Insider Decl.
261
Thresholds
n/a
Buy Volume
€49M
15 ops. · all time
Sell Volume
€195M
90 ops. · all time
Who traded when
BuySaleWilliam L. Ballhaus13 sales
Douglas Munro10 sales
Steven Ratner10 sales
Kupinsky Stuart8 sales
David E. Farnsworth6 sales
JANA Partners Management, LP5 sales
+2 other insiders
Since the insiders bought
- +78.5%Entry US$37.90 · Close at T+365 US$67.66
- +52.4%Entry US$30.04 · Close at T+365 US$45.77
- +52.4%Entry US$30.04 · Close at T+365 US$45.77
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Analyst consensus: bullish or bearish?
Analysts rate Mercury Systems Inc Buy (bullish), based on 10 analysts. Average price target: US$114.80.
This score ranks the purchase within its own market. A position size is suggested only on the venues of the backtested strategy universe; elsewhere, signals stay on watch. Not investment advice.
Fundamental score
Ranked 19,193 of 24,148 companies
31.3
score / 100
Value38
Quality25
FCF yld1.5%
Earn yld-0.7%
EV/EBITDA·
ROE-2.0%
Gross mgn29%
Net mgn-3.0%
Debt/EBITDA6.6x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2026FY ended June 2026 · cache
US$76.71
Analyst consensus
10 analystsBuy
US$78.00Target US$114.80(+50%)US$131.00
Income statement
RevenueUS$983.6M
Gross profitUS$281.2M29% margin
EBITDAUS$73.4M7% margin
Net income-US$29.7M-3.0% margin
Valuation
PER (forward)34.4x
P/Book3.1x
Beta0.98
Balance sheet & cash
Market capUS$4.7B
Total debtUS$487.7M
Free Cash FlowUS$68.1M
Debt / Equity34%
Profitability & ownership
ROE-2.0%
ROA0.2%
% insiders1.1%
% institutions111.9%
Last declaration on 16 October 2026
Declarations261 total
235 shares0Common StockSEC:0001049521-26-000084:0
1,000 shares@ US$86.520.0017% mcap9.1% of flowCommonSEC144:0001959173-26-007052
23,629 shares0Common StockSEC:0001049521-26-000067:0
5,619 shares0Common StockSEC:0001049521-26-000070:0
2,882 shares0Common StockSEC:0001049521-26-000071:0
5,187 shares0Common StockSEC:0001049521-26-000072:0
8,212 shares0Common StockSEC:0001049521-26-000069:0
4,000 shares@ US$84.50760.0066% mcap15.3% of flowCommonSEC144:0001959173-26-006711
153,676 shares@ US$43.000.13% mcap6.9% of flowCommon StockSEC:0001049521-26-000063:0
107,628 shares@ US$87.0890.18% mcap9.8% of flowCommon StockSEC:0001049521-26-000063:1
3,448 shares@ US$87.9930.0059% mcap0.3% of flowCommon StockSEC:0001049521-26-000063:2
68,476 shares@ US$43.000.057% mcap3.1% of flowCommon StockSEC:0001049521-26-000063:3
38,276 shares@ US$88.9130.066% mcap3.6% of flowCommon StockSEC:0001049521-26-000063:4
10,814 shares@ US$89.7440.019% mcap1.0% of flowCommon StockSEC:0001049521-26-000063:5
49,090 shares@ US$89.09640.085% mcap4.6% of flowCommonSEC144:0001959173-26-006471
111,076 shares@ US$87.1170.19% mcap10.2% of flowCommonSEC144:0001959173-26-006437
92,850 shares@ US$42.000.075% mcap4.1% of flowCommon StockSEC:0001049521-26-000060:0
64,796 shares@ US$92.4040.12% mcap6.3% of flowCommon StockSEC:0001049521-26-000060:1
204 shares@ US$93.5080.0004% mcap0.0% of flowCommon StockSEC:0001049521-26-000060:2
140,650 shares@ US$42.000.11% mcap6.2% of flowCommon StockSEC:0001049521-26-000060:3
11,348 shares@ US$43.000.0094% mcap0.5% of flowCommon StockSEC:0001049521-26-000060:4
105,471 shares@ US$89.4730.18% mcap9.9% of flowCommon StockSEC:0001049521-26-000060:5
2,738 shares@ US$90.600.0048% mcap0.3% of flowCommon StockSEC:0001049521-26-000060:6
356 shares@ US$91.360.0006% mcap1.5% of flowCommon StockSEC:0001049521-26-000062:0
100,121 shares@ US$89.44090.17% mcap9.4% of flowCommonSEC144:0001959173-26-006373
25 of 261 declarations
About Mercury Systems Inc
Mercury Systems, Inc. (NASDAQ: MRCY) is a U.S.-based defense and aerospace technology company headquartered in Andover, Massachusetts, United States. Founded in 1981, the company has built its franchise over several decades around mission-critical signal processing, embedded electronics, and secure hardware for demanding defense applications. Mercury positions itself as a provider of “mission-critical processing to the edge,” meaning it helps customers collect, process, and act on data closer to the sensor or platform, where speed, security, and reliability are essential.
The company primarily serves aerospace and defense end markets, with particular exposure to radar, electronic warfare, avionics, communications, command and control, C4I, and related military mission systems. Its product portfolio spans components, modules, subsystems, and systems, allowing it to support customers from chip-scale building blocks all the way to integrated mission solutions. Mercury’s commercial message is centered on its Mercury Processing Platform, a technology stack combining RF front-end capabilities, compute, software-defined architectures, open standards, and human-machine interface solutions. This platform is designed to help customers integrate advanced processing into defense systems more quickly and with lower development risk.
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From a competitive standpoint, Mercury operates in a specialized segment where barriers to entry are meaningful. Success depends not only on technical performance, but also on trusted supply relationships, manufacturing discipline, cybersecurity, qualification standards, and the ability to support long-cycle defense programs. The company sells to major U.S. and European defense prime contractors, U.S. government customers, and certain commercial aerospace OEMs. Its products and solutions are deployed across more than 300 programs and in 35 countries, indicating a global footprint even though its operational headquarters and corporate base remain firmly in the United States.
Mercury Systems is listed on the NASDAQ exchange, which is relevant for investors screening U.S. defense and electronics names. Recent disclosures point to improving execution and a stronger order pipeline. In 2025, Mercury reported a record backlog in its quarterly updates and continued to emphasize margin improvement, cash flow generation, and operating discipline. The company also announced new business wins, including a $12.3 million development contract for a cockpit communications subsystem for a new U.S. military aircraft, as well as expanded production agreements with a European defense prime contractor for radar and electronic warfare-related processing hardware. These developments underline Mercury’s role as a specialized supplier to modernization programs across the defense electronics value chain.
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