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$ACLS All transactions

AXCELIS TECHNOLOGIES INC

F

$ Value

$91K

Shares

1,453

Price

$63

Filed

May 19

Insider

Name

Low Russell

Title

PRESIDENT AND CEO

CIK

0001689237

Roles

Director Officer

Transaction Details

Transaction Date

2025-05-15

Code

F

Table

Non-Derivative

Ownership

Direct

Equity Swap

No

Shares After

137,854

Footnotes

These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2025. Assuming continuation of employment, these restricted stock units will vest as to 25% of the shares granted on each of May 15, 2026, May 15, 2027, May 15, 2028, and May 15, 2029. | Of the shares held following this grant on May 15, 2025, 69,659 were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture. | These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2025. In this grant, the executive may earn shares of common stock, ranging from zero to 150% of the granted units. The shares are earned based on the achievement of 2025 performance goals. Assuming continuation of employment, 50% of the earned shares will vest on February 28, 2027, and 50% of the earned shares will vest on February 28, 2028. Unearned restricted stock units will forfeit on February 28, 2026. | Of the shares held after this grant on May 15, 2025, 100,397 shares were issuable on vesting of restricted stock units granted to the executive 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 15, 2025 of service vesting restricted stock units granted to the executive in May 2024. 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 15, 2025, 96,836 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 15, 2025 of service vesting restricted stock units granted to the executive in May 2023. 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. | Of the shares held after this vesting event on May 15, 2025, 93,832 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.

Filing Info

Accession No.

0001415889-25-013644

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