Chiu Tzu Yin 4

What Happened
Chiu Tzu Yin, a director of Axcelis Technologies, was granted 1,440 restricted stock units (RSUs) on May 15, 2026. The RSUs were issued at $0.00 (an award, not a purchase) and are subject to forfeiture until they vest. No cash changed hands at grant.

Key Details

• Transaction date: May 15, 2026; Form 4 filed May 18, 2026 (three days after the grant).
• Award: 1,440 RSUs issued at $0.00.
• Vesting: These RSUs are scheduled to vest on May 15, 2027, contingent on completion of the director’s current term (Footnote F1).
• Shares held after transaction: The filing notes that, as of May 15, 2026, 1,440 shares were issuable on vesting of RSUs and are subject to forfeiture (Footnote F2).
• Filing status: No indication in the filing that this was a late Form 4 submission.

Context
This was a compensation award to a board member rather than an open-market purchase or sale. Awards like RSUs are common director compensation and do not by themselves indicate insider sentiment about the stock.