Mahoney Robert John sold ACLS

May 18, 2026 · Form 4 insider transaction

Mahoney Robert John sold 182 shares of Axcelis Technologies, Inc. at $146.24 per share, a transaction worth $26.6K. The trade was recorded as shares withheld for taxes and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
182
Price
$146.24
Total value
$26.6K
RoleOfficer
SecurityCommon Stock
Transaction codeF: Shares withheld for taxes
Transaction dateMay 18, 2026
Filing dateMay 20, 2026
Shares owned after15,695
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

Represents the closing price of the common stock on the date of the tax withholding.; This forfeiture of shares for tax withholding purposes relates to the vesting on May 16, 2026 of service vesting restricted stock units granted to the executive in May 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.; Of the shares held after this vesting event on May 16, 2026, 12,846 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.

View the original Form 4 on SEC EDGAR