CHANG DAVID C 4

What Happened
David C. Chang, a director of AXT INC (AXTI), sold 8,333 shares in an open-market transaction on June 15, 2026. The shares were disposed at $111.17 per share for reported gross proceeds of approximately $926,392. This was a sale (not a purchase or option exercise), which is often routine liquidity rather than a direct signal about company prospects.

Key Details

• Transaction date and price: 2026-06-15 — 8,333 shares sold at $111.17 per share.
• Reported proceeds: $926,392 (as reported in the filing).
• Method/code: Open-market sale (Form 4 code "S").
• Shares owned after transaction: Not specified in the summary provided; see the Form 4 for post-transaction holdings.
• Plan/footnotes: The provided filing summary does not indicate a 10b5-1 plan, tax withholding, or other special footnotes.
• Filing timeliness: Form filed on 2026-06-17 — appears to have been submitted within the standard two-business-day window.

Context
Insider sales are common for liquidity, diversification, or personal reasons and do not on their own prove a change in an insider’s view of the company. For retail investors, purchases by insiders tend to be more informative about confidence in future prospects; sales should be noted but interpreted with caution. For full details (post-transaction holdings, any footnotes, or plan disclosures), review the complete Form 4 filing (Accession: 0001437749-26-020894).