Loading
MAGNACHIP SEMICONDUCTOR Corp Stock: price and insider trades · United States
1 insider bought €279k of shares over the last 90 days, the latest filed 25 Sept 2026.
MAGNACHIP SEMICONDUCTOR Corp: what insiders have been doing
MAGNACHIP SEMICONDUCTOR Corp, classified in the Technology sector, is a listed company. Its insiders report their share dealings to SEC (Form 4). 7 insiders have disclosed 18 filings since 18 October 2025.
The flow runs one way only: 2 insiders bought (5 purchases totalling €393k) and nobody sold on the market. Unlike grants, an open-market purchase is paid for by the insider, at the market price. On the buying side, the filings list 1 senior executive and 1 chief executive among the declarants. One trade stands out by size: a purchase of €138k from Lee Chae, disclosed on 25 September 2026, or 0.13% of market capitalisation.
The most recent open-market purchase was published on 25 September 2026, 23 days ago. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. Section 16 rules allow two business days to file each Form 4.
For context, the typical company on the same exchange (median of 5,810 companies) published 19 filings over the same period, against 18 filings here. Our records for MAGNACHIP SEMICONDUCTOR Corp go back to 2021, with 18 purchases and 1 sale on the open market in total. For the fiscal year to 31 December 2025, the annual 10-K puts revenue at 178.9 m USD and net income at -29.7 m USD.
Other companies in the same sector with recent insider buying flagged by our signals: Core Scientific, Inc./tx and Gitlab Inc. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Insider Decl.
115
Thresholds
n/a
Buy Volume
€1M
18 ops. · all time
Sell Volume
€113,783
1 ops. · all time
Who traded when
BuySaleChae Lee3 buys
Gilbert E. Nathan3 buys
Camillo Martino2 buys
Ilbok Lee1 buy
Shin Young Park1 buy
Since the insiders bought
- +100.0%Entry US$2.75 · Close at T+90 US$5.50
- +2.2%Entry US$3.17 · Close at T+365 US$3.24
- +2.2%Entry US$3.17 · Close at T+365 US$3.24
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.
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 23,342 of 24,148 companies
13.1
score / 100
Value10
Quality16
FCF yld-27%
Earn yld-14%
EV/EBITDA·
ROE-13%
Gross mgn18%
Net mgn-17%
Debt/EBITDA·
Pillars2/3
Transparent value + quality ranking, distinct from the insider signal.
Financial data
as of FY 2025FY ended December 2025 · cache
US$2.75
Analyst consensus
Income statement
RevenueUS$178.9M
Gross profitUS$31.4M18% margin
EBITDA-US$17.5M-10% margin
Net income-US$29.7M-17.3% margin
Valuation
P/Book0.4x
Beta1.66
Balance sheet & cash
Market capUS$205M
Total debtUS$46.7M
Free Cash Flow-US$54.4M
Debt / Equity19%
Profitability & ownership
ROE-12.8%
ROA-6.5%
% insiders15.3%
% institutions43.2%
Last declaration on 25 September 2026
Declarations115 total
6,764 shares0Common StockSEC:0001193125-26-355557:0
46,429 shares0Common StockSEC:0001193125-26-329404:0
48,810 shares0Common StockSEC:0001193125-26-330658:0
51,191 shares0Common StockSEC:0001193125-26-330657:0
39,286 shares0Common StockSEC:0001193125-26-330663:0
21,994 shares@ US$2.866717.1% of flowCommon StockSEC:0001193125-26-110936:0
Canonical exit: 14 Jun 2026 (T+90)
25,000 shares@ US$2.74718.5% of flowCommon StockSEC:0001193125-26-108432:0
Canonical exit: 10 Jun 2026 (T+90)
1,478 shares0Common StockSEC:0001193125-26-054727:0
2,946 shares0Common StockSEC:0001193125-26-054726:0
28,628 shares0Common StockSEC:0001193125-26-054725:0
6,121 shares@ US$2.558.5% of flowCommon StockSEC:0001193125-26-000934:0
30,750 shares0Common StockSEC:0001193125-26-000936:0
3,160 shares0Common StockSEC:0001193125-25-284647:0
6,320 shares0Common StockSEC:0001193125-25-284646:0
105,484 shares0Common StockSEC:0001193125-25-230289:0
10,000 shares@ US$2.86815.8% of flowCommon StockSEC:0000950170-25-111459:0
Canonical exit: 23 Nov 2025 (T+90)
30,000 shares@ US$2.84336.1% of flowCommon StockSEC:0000950170-25-111458:0
Canonical exit: 20 Nov 2025 (T+90)
53,247 shares0Common StockSEC:0000950170-25-093885:0
50,650 shares0Common StockSEC:0000950170-25-093884:0
45,455 shares0Common StockSEC:0000950170-25-093883:0
25 of 115 declarations
About MAGNACHIP SEMICONDUCTOR Corp
Magnachip Semiconductor Corp. (NYSE: MX) is a U.S.-listed semiconductor company traded on the NYSE in the United States, although its operating footprint is largely centered in South Korea. From an equity analyst perspective, Magnachip is best described as a designer and manufacturer of analog and mixed-signal semiconductor platform solutions, with exposure to communications, IoT, consumer electronics, computing, industrial, and automotive end markets. The company says it has more than 40 years of operating history and a portfolio of roughly 1,100 registered patents and pending applications, which supports its positioning as a specialized, IP-backed player in power and mixed-signal semiconductors. ([investors.magnachip.com](https://investors.magnachip.com/index.php/))
Magnachip’s business model has evolved materially over the past few years. In its 2024 annual report, the company explained that it reorganized its standard products business into two main business lines: Mixed-Signal Solutions (MSS), which includes Display IC and Power IC businesses, and Power Analog Solutions (PAS), which focuses on power discrete devices and is operated as an integrated device manufacturing business. That internal separation was completed in January 2024 through the creation of Magnachip Mixed-Signal, Ltd. in Korea. The company then transferred the Power IC business into PAS effective January 1, 2025, in order to consolidate its power solutions under one structure and sharpen strategic focus. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1325702/000119312525054851/d920621d10k.htm))
Read moreShow less
On the product side, Magnachip’s portfolio is centered on standard semiconductor devices rather than custom ASICs. Key offerings include MOSFETs, IGBTs, power ICs, display-related ICs, and other power management solutions used in smartphones, servers, industrial systems, solar inverters, energy storage systems, smart home appliances, and electric mobility applications. Recent product activity has been notably strong: management reported 55 new-generation product launches in 2025 versus just four in 2024, while early 2026 brought a new IGBT series targeting solar inverters and industrial ESS, as well as new MOSFET launches for servers and high-performance PCs. That cadence suggests a company trying to rebuild growth through product renewal and application diversification. ([investors.magnachip.com](https://investors.magnachip.com/static-files/a31a9e5f-c35e-458e-9a53-c6d544f2e1f9))
From a competitive standpoint, Magnachip is not a broad-based mega-cap chip supplier; it is a niche specialist competing in a highly cyclical and intensely competitive power semiconductor market. Its edge comes from decades of engineering know-how, customer qualification experience, manufacturing expertise, and a portfolio of standard products that can be sold globally. Management has repeatedly emphasized a sharper focus on power semiconductors, where the company believes it can compete and win more effectively. ([investors.magnachip.com](https://investors.magnachip.com/static-files/a31a9e5f-c35e-458e-9a53-c6d544f2e1f9))
Geographically, Magnachip is internationally oriented but operationally anchored in Korea. Its core manufacturing and engineering infrastructure is in South Korea, including Gumi, while investor relations and certain corporate functions are maintained in the United States. This split structure is important for investors because it affects cost base, manufacturing flexibility, and exposure to Asia-centric supply chains. ([sec.gov](https://www.sec.gov/Archives/edgar/data/1325702/000119312525054851/d920621d10k.htm))
Recent headlines are constructive but still transitional. In March 2026, Magnachip reported fourth-quarter and full-year 2025 results, highlighted a cost-reduction program expected to generate more than $2 million in annualized savings, and disclosed a strategic agreement with Hyundai Mobis to expand its industrial business around jointly developed IGBT technology. The company also noted continued investment in its Gumi fab upgrade. Overall, Magnachip remains a restructuring story with improving product momentum, but it still operates in a challenging semiconductor environment. ([investors.magnachip.com](https://investors.magnachip.com/static-files/a31a9e5f-c35e-458e-9a53-c6d544f2e1f9))
Recent ranked signals in the same sector
Purchases our model currently ranks for the recommendations list.
All recommendations
