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CIK 0001113232 · Large accelerated filer

AXCELIS TECHNOLOGIES INC

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Ticker
ACLS
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
341818596
Phone
978-787-4000
Business address
108 CHERRY HILL DRIVE, BEVERLY, MA, 01915
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-05-18 Redinbo Greg EVP MARKETING AND APPLICATIONS Shares withheld for taxes −111 $146.24 $16K 35,103
2026-05-18 Redinbo Greg EVP MARKETING AND APPLICATIONS Shares withheld for taxes −79 $146.24 $12K 35,024
2026-05-18 Low Russell PRESIDENT AND CEO Shares withheld for taxes −711 $146.24 $104K 154,900
2026-05-15 Sutton Todd VP Corporate Controller Grant or award +1,168 8,985
2026-05-15 Sutton Todd VP Corporate Controller Shares withheld for taxes −226 $155.18 $35K 8,759
2026-05-15 Sutton Todd VP Corporate Controller Shares withheld for taxes −112 $155.18 $17K 8,647
2026-05-15 Sutton Todd VP Corporate Controller Shares withheld for taxes −103 $155.18 $16K 8,544
2026-05-15 Ryzhik David SVP Interim CFO Grant or award +3,115 10,257
2026-05-15 Ryzhik David SVP Interim CFO Shares withheld for taxes −226 $155.18 $35K 10,031
2026-05-15 Mahoney Robert John EVP Global Operations Grant or award +1,947 14,706
2026-05-15 Mahoney Robert John EVP Global Operations Grant or award +1,947 16,653
2026-05-15 Mahoney Robert John EVP Global Operations Shares withheld for taxes −372 $155.18 $58K 16,281
2026-05-15 Mahoney Robert John EVP Global Operations Shares withheld for taxes −173 $155.18 $27K 16,108
2026-05-15 Mahoney Robert John EVP Global Operations Shares withheld for taxes −170 $155.18 $26K 15,938
2026-05-15 Mahoney Robert John EVP Global Operations Shares withheld for taxes −61 $155.18 $9K 15,877
2026-05-15 Tatnall Christopher EVP Global Customer Operations Grant or award +3,504 26,548
2026-05-15 Tatnall Christopher EVP Global Customer Operations Grant or award +3,504 30,052
2026-05-15 Tatnall Christopher EVP Global Customer Operations Shares withheld for taxes −744 $155.18 $115K 29,308
2026-05-15 Tatnall Christopher EVP Global Customer Operations Shares withheld for taxes −345 $155.18 $54K 28,963
2026-05-15 Tatnall Christopher EVP Global Customer Operations Shares withheld for taxes −170 $155.18 $26K 28,793

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