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$ACLS All transactions

AXCELIS TECHNOLOGIES INC

F

$ Value

$119K

Shares

907

Price

$131

Filed

Apr 21

Insider

Name

Tatnall Christopher

Title

EVP Global Customer Operations

CIK

0001990732

Roles

Officer

Transaction Details

Transaction Date

2026-04-20

Code

F

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

23,044

Footnotes

This forfeiture of shares for tax withholding purposes relates to the vesting on April 18, 2026 of service vesting restricted stock units granted to the executive in April 2022. The shares issued to the executive on the vesting were reduced by a number of shares having a value equal to the executive's tax withholding obligation with respect to the vested restricted stock units. | Represents the closing price of the Company's common stock on the date of the tax withholding. | Of the shares held after this vesting on April 18, 2026, 16,463 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture. This amount includes restricted stock units earned by the reporting person upon the achievement of 112.5% of the restricted stock units granted in 2025 based upon the achievement of 2025 performance goals.

Filing Info

Accession No.

0001990732-26-000004

Form Type

4

Issuer CIK

0001113232

Tatnall Christopher's History

Date Ticker Type Value
2026-04-20 ACLS F $119K
2025-09-15 ACLS F $12K
2025-05-15 ACLS A $0
2025-05-15 ACLS A $0
2025-05-15 ACLS F $22K
2025-05-15 ACLS F $11K

Other Insiders at ACLS (90d)

Insider Bought Sold Last
Low Russell
PRESIDENT AND CEO
$229K 2026-04-01