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$ACLS All transactions

AXCELIS TECHNOLOGIES INC

F

$ Value

$59K

Shares

947

Price

$62

Filed

May 20

Insider

Name

Low Russell

Title

PRESIDENT AND CEO

CIK

0001689237

Roles

Director Officer

Transaction Details

Transaction Date

2025-05-17

Code

F

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

136,155

Footnotes

This forfeiture of shares for tax withholding purposes relates to the vesting on May 16, 2025 of service vesting restricted stock units granted to the executive in May 2022. As agreed with the executive, 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 common stock on the date of the tax withholding. | Of the shares held after this vesting event on May 16, 2025, 92,361 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 forfeiture of shares for tax withholding purposes relates to the vesting on May 17, 2025 of service-vesting restricted stock units ("RSUs") granted to the executive in May 2021. As agreed with the executive, 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 RSUs. | Of the shares held after this vest event on May 17, 2025,90,321 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.

Filing Info

Accession No.

0001415889-25-013804

Form Type

4

Issuer CIK

0001113232

Low Russell's History

Date Ticker Type Value
2026-04-01 ACLS $117K
2026-03-24 ACLS $112K
2025-05-17 ACLS F $59K
2025-05-16 ACLS F $44K
2025-05-15 ACLS A $0
2025-05-15 ACLS A $0
2025-05-15 ACLS F $108K
2025-05-15 ACLS F $91K

Other Insiders at ACLS (90d)

Insider Bought Sold Last
Low Russell
PRESIDENT AND CEO
$229K 2026-04-01
Tatnall Christopher
EVP Global Customer Operations
2026-04-20