Changes in Beneficial Ownership · 4
Axcelis Technologies, Inc.
ACLSNASDAQEQUITYCurrent
Changes in Beneficial Ownership
Structured filing — 4
form4-06042026_050601.xml
Filing details
- Report period
- 2026-06-03
- Issuer
- AXCELIS TECHNOLOGIES INC
- Issuer CIK
- 0001113232
- Trading symbol
- ACLS
Reporting owner 1
- Name
- Sayiner Necip
- Reporting owner CIK
- 0001338515
- Relationship
- Director
- Address
- C/O AXCELIS TECHNOLOGIES, INC., 108 CHERRY HILL DRIVE, BEVERLY, MA, 01915
Non-derivative transactions
| Security | Transaction date | Code | Amount | A / D | Price (USD) | Owned after | Ownership |
|---|---|---|---|---|---|---|---|
| Common Stock | 2026-06-03 | S · Form 4 | 1,586 | D | 157.4422[F1] | 7,112[F2] | D |
Table key
- S · Form 4
- Sale on the market or privately
- D
- Direct
Footnotes
- F1
- The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $157.4100 to $157.7100, inclusive. The reporting person undertakes to provide to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.↩ 1
- F2
- Of the shares held after this sale on June 3, 2026, 2,110 shares were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.↩ 1
Signature 1
- Signed
- /s/ Eileen J. Evans, Attorney-in-Fact
- Date
- 2026-06-04
Company context
Axcelis (Nasdaq: ACLS), headquartered in Beverly, Mass., has been providing innovative, high-productivity solutions for the semiconductor industry for over 45 years. Axcelis is dedicated to developing enabling process applications through the design, manufacture and complete life cycle support of ion implantation systems, one of the most critical and enabling steps in the IC manufacturing process. Learn more about Axcelis at www.axcelis.com.