Magnachip Semiconductor (MX)CEO bought ~$64K

~$64K

Approx. value · 20K sh @ $3.22

389K

Holds after · shares reported

Traded

Sep 24, 2026

Filed

Sep 26, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Jul 29, 2026Company filing · Form 8-K · ResultsReported its results
2. Jul 29, 2026Company filing · Form 8-K · Material agreement, Unregistered sharesSigned an important agreement, and sold new shares without registering them (and 1 more item)
3. Sep 23, 2026Insider · 1 personInsiders: 2 purchases (~$254K)
4. Sep 24, 2026 · this disclosureInsider · Bought outside the usual windowCEO purchased ~$64K of MX shares in the open market

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for Magnachip Semiconductor

For Magnachip Semiconductor, OQRO holds 3 insider filings (SEC Form 4 or Form 144) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its MX page.

Other recent filings by Chae Lee, Chief Executive Officer

• SEC Form 4 at Magnachip Semiconductor (MX)Sep 26, 2026
• SEC Form 4 at Magnachip Semiconductor (MX)Sep 26, 2026

The full history of Chae Lee, Chief Executive Officer is on the profile page.

How this filing works

• SEC Form 4
• Open-market purchase
• Rule 10b5-1 trading plans

Other disclosures at Magnachip Semiconductor

• SEC Form 4Sep 26, 2026
• SEC Form 4Sep 26, 2026
• SEC Form 4Aug 26, 2025
• SEC Form 4Aug 26, 2025
• SEC Form 4Mar 18, 2025
• SEC Form 4Mar 17, 2025

Everything OQRO holds on this company is on its MX page.