Sayiner Necip 4

What Happened
Necip Sayiner, a director of Axcelis Technologies (ACLS), sold 1,586 shares in an open-market sale on June 3, 2026. The reported weighted-average price was $157.44 per share (range $157.41–$157.71), for total proceeds of approximately $249,703. This was a sale (not a purchase or option exercise) and thus generally considered routine insider selling rather than a direct bullish signal.

Key Details

• Transaction date: June 3, 2026 (Form 4 filed June 4, 2026).
• Transaction type/code: Open-market sale (S).
• Shares sold: 1,586 at a weighted-average price of $157.44; prices in the block ranged from $157.4100 to $157.7100.
• Proceeds: ~$249,703.
• Shares held after the sale: the filing does not state a full aggregate, but notes 2,110 shares remaining were issuable upon vesting of restricted stock units and are subject to forfeiture.
• Footnotes: F1 explains the reported price is a weighted-average and the seller can provide per-trade breakdown on request; F2 notes 2,110 post-sale shares are unvested RSUs.
• Timeliness: Filed the next day (appears timely, not marked late).

Context
This disclosure is a director sale — common insider activity that can reflect personal liquidity needs or portfolio rebalancing rather than company outlook. No option exercise, gift, or 10b5-1 plan is reported in the filing.