Magnachip Semiconductor Corp (MX): Congress and insider trades
Who in Congress and inside the company traded MX, when each filing appeared, and what buying after each one would have earned against the S&P 500.
Key Facts
- Magnachip Semiconductor Corp (MX) is a listed stock on NYSE.
- Insiders filed 3 open market buys worth $382K and 0 sells worth $0, the latest filed 2026-09-25 (25 September 2026).
- Across 1 scored buy, Insiders averaged +86.2% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell.
- Data as of 2026-09-29 (29 September 2026).
Insider trades in MX
as of 2026-09-25| Filed | Insider | Type | Shares | Price | Value | 90 day vs S&P |
|---|---|---|---|---|---|---|
| 25 Sep 2026 | LEE CHAE | buy | 20,000 | $3.22 | $64.4K | n/a |
| 25 Sep 2026 | LEE CHAE | buy | 80,000 | $3.18 | $254K | n/a |
| 17 Mar 2026 | NATHAN GILBERT E | buy | 21,994 | $2.87 | $63.0K | +86.2% |
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Related pages
Frequently asked questions
Who has bought MX?
0 Congress buys by 0 members and 3 insider buys are on file. The tables on this page list every one.
Did buying MX after a disclosure beat the market?
Across 1 scored buy, Insiders averaged +86.2% against the S&P 500 (SPY) over the 90 days after disclosure, with 100% of them ahead of the index. That result is too few trades to tell. A single stock is a small sample.
Sources: Congressional trades: STOCK Act disclosures, collected from CapitolTrades. Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.
Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.