Arkolith/Insider Trading/ACLS/Form 4

Mahoney Robert John

EVP Global OperationsAXCELIS TECHNOLOGIES INC (ACLS) · full profile →Form 4 · filed May 19, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
6
6 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
May 15, 2026Grant(A)2K—$015K
May 15, 2026Grant(A)2K—$017K
May 15, 2026Tax withholding(F)372$155.18$58K16K
May 15, 2026Tax withholding(F)173$155.18$27K16K
May 15, 2026Tax withholding(F)170$155.18$26K16K
May 15, 2026Tax withholding(F)61$155.18$9K16K

Transaction Codes

A
Grant / award
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002101601-26-000008) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML