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Allegro Microsystems, Inc. Stock: price and insider trades · United States
No insider purchase over the last 90 days. The latest was filed 19 Nov 2024.
Allegro Microsystems, Inc.: what insiders have been doing
Allegro Microsystems, Inc., classified in the Technology sector, is a listed company based in Manchester, United States, founded in 1979. Its insiders report their share dealings to SEC (Form 4). Between 18 October 2025 and 18 October 2026, 18 insiders published 46 filings.
There is no open-market purchase to report; the filings show 9 sales worth €3.6M by 8 insiders. At €1.2M, the sale published on 13 May 2026 by Doogue Michael is the largest of the period (0.015% of market cap).
Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. Section 16 rules allow two business days to file each Form 4. Selling is not necessarily a view on the stock: liquidity needs and diversification are common motives.
With 46 filings in twelve months, the company is more active than the median of 19 filings across the 5,811 companies we follow on the same exchange. Since 2021, the database holds 7 purchases and 80 sales by insiders of the company. In its latest annual report filed with the SEC (10-K, fiscal year ended 27 March 2026), the company reported revenue of 890.1 m USD and net income of -14.9 m USD.
In the same sector, recent insider purchases at Core Scientific, Inc./tx and Gitlab Inc. also feature in our signals. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
Insider Decl.
264
Thresholds
n/a
Buy Volume
€626,937
7 ops. · all time
Sell Volume
€1B
80 ops. · all time
Who traded when
BuySaleHagen Erin3 sales
Lury Richard R.3 sales
Michael Doogue1 buy1 sale
Roald Graham Webster2 sales
Sharon Briansky2 sales
Ian Kent1 sale
+5 other insiders
Since the insiders bought
- +13.2%Entry US$20.14 · Close at T+365 US$22.80
- +21.8%Entry US$22.16 · Close at T+365 US$26.98
- -32.8%Entry US$28.38 · Close at T+365 US$19.07
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 Allegro Microsystems, Inc. Strong Buy (bullish), based on 12 analysts. Average price target: US$54.42.
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 16,929 of 24,148 companies
38.2
score / 100
Value40
Quality36
FCF yld2.1%
Earn yld-0.2%
EV/EBITDA·
ROE1.5%
Gross mgn46%
Net mgn-1.7%
Debt/EBITDA4.1x
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2026FY ended March 2026 · cache
US$32.22
Analyst consensus
12 analystsStrong buy
US$48.00Target US$54.42(+69%)US$62.00
Income statement
RevenueUS$890.1M
Gross profitUS$412M46% margin
EBITDAUS$74.8M8% margin
Net income-US$14.9M1.5% margin
Valuation
PER (trailing)537.0x
PER (forward)21.8x
P/Book6.2x
Beta1.99
Balance sheet & cash
Market capUS$6B
Total debtUS$305.9M
Free Cash FlowUS$124.9M
Debt / Equity31%
Profitability & ownership
ROE1.5%
ROA3.0%
% insiders32.5%
% institutions80.8%
Last declaration on 17 August 2026
Declarations264 total
1,000 shares@ US$45.320.0007% mcap18.8% of flowCommonSEC144:0001959173-26-006071
2,285 shares@ US$44.390.0015% mcap15.2% of flowCommonSEC144:0001959173-26-005842
4,251 shares0Common StockSEC:0001193125-26-339105:0
4,251 shares0Common StockSEC:0001193125-26-339114:0
4,251 shares0Common StockSEC:0001193125-26-339121:0
4,251 shares0Common StockSEC:0001193125-26-339123:0
594 sharesCommon StockSEC:0001193125-26-275927:0
5,000 shares@ US$52.720.0037% mcap27.1% of flowCommon StockSEC:0001193125-26-257433:0
5,000 shares@ US$52.72010.0037% mcap27.1% of flowCommonSEC144:0001959173-26-004301
4,500 shares@ US$45.720.0022% mcap33.1% of flowCommon StockSEC:0001193125-26-239343:0
5,217 shares@ US$44.8850.0025% mcap33.9% of flowCommon StockSEC:0001193125-26-236938:0
9,670 shares@ US$43.100.0045% mcap66.9% of flowCommon StockSEC:0001193125-26-231142:0
13,942 shares@ US$43.100.0065% mcap13.2% of flowCommon StockSEC:0001193125-26-231146:0
60,508 shares@ US$43.100.028% mcap13.2% of flowCommon StockSEC:0001193125-26-231155:0
4,277 shares@ US$43.100.0020% mcap26.7% of flowCommon StockSEC:0001193125-26-231157:0
5,439 shares@ US$43.100.0025% mcap24.1% of flowCommon StockSEC:0001193125-26-231162:0
37,840 shares@ US$43.100.018% mcap30.1% of flowCommon StockSEC:0001193125-26-231164:0
5,815 shares@ US$43.100.0027% mcap37.3% of flowCommon StockSEC:0001193125-26-231165:0
83,700 shares0Common StockSEC:0001193125-26-226838:1
2,611 shares0Common StockSEC:0001193125-26-226841:1
30,438 shares0Common StockSEC:0001193125-26-226843:1
544 shares0Common StockSEC:0001193125-26-226836:1
29,439 shares0Common StockSEC:0001193125-26-226843:0
25 of 264 declarations
About Allegro Microsystems, Inc.
Allegro MicroSystems, Inc. (ticker: ALGM) is a U.S.-listed semiconductor company traded on Nasdaq in the United States. Headquartered in Manchester, New Hampshire, United States, Allegro designs and markets sensor integrated circuits and application-specific analog power integrated circuits. The company is positioned in technology markets where energy efficiency, reliability, precision and size matter most, especially automotive, electric vehicles, ADAS, industrial automation, data centers and selected clean-energy applications.
Founded in 1990, Allegro has built its franchise over more than three decades of experience in magnetic sensing and power-management technologies. The company highlights a history of early technology leadership in magnetic sensing and related semiconductor innovations, and it emphasizes a broad installed base across global customers. Allegro states that it serves more than 10,000 customers worldwide and offers a portfolio of more than 1,500 devices, underscoring a specialized but diversified product platform. Its core value proposition is to sense, regulate and drive electromechanical systems in demanding environments.
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Allegro’s product lines are centered on current sensors, position and speed sensors, motor drivers, and power-control and interface ICs for embedded electronics. These solutions are used in vehicle electrification, ADAS safety systems, thermal management, industrial motor control, robotics, renewable energy infrastructure and high-performance computing environments. In the analog semiconductor universe, Allegro holds a strong niche, particularly in magnetic sensing for automotive applications, where it is widely regarded as a specialist with deep customer relationships and longstanding design-win credibility.
Geographically, Allegro operates with a global footprint spanning engineering, manufacturing, support and sales activities across multiple regions. Its annual report points to a broad international presence and a fabless business model that relies on external manufacturing partners, allowing the company to focus on design, innovation and product roadmaps. This structure is typical of asset-light semiconductor companies that prioritize intellectual property and application expertise over owned wafer fabrication.
Recent developments have been important for the investment case. Allegro reported improving quarterly performance, with growth driven by automotive, e-mobility and industrial demand during fiscal 2025/2026. The company also introduced new TMR current sensors and expanded its isolated gate-driver portfolio for silicon-carbide power design, targeting AI data centers and EV platforms. In 2025, Allegro disclosed an unsolicited acquisition proposal from onsemi, which reinforced the strategic value of its sensing and power franchise. Overall, Allegro combines a focused technology niche with exposure to structural growth themes such as electrification, automation and energy efficiency.
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