ACLS
Axcelis Technologies Inc
$4.32M
Cluster sell
Discretionary Insider Activity
Date:
05/12/2026
Insiders:
Mahoney Robert John, EVP Global Operations, and 11 others
Prior trend:
23 months of no clear discretionary insider activity

Summary

A $4.32M cluster sell for Axcelis Technologies Inc (ACLS) on 05/12/2026 after 23 months of no clear discretionary insider activity trend.

Reports

Action Amount Date Insider Role(s) SEC Filing No
Sell $364K 05/13/2026 Mahoney Robert John EVP Global Operations 0002101601-26-000006
Sell $328K 05/14/2026 Titinger Jorge Director 0001385162-26-000004
Sell $464K 05/14/2026 Redinbo Greg EVP MARKETING AND APPLICATIONS 0001940017-26-000004
Sell $165K 05/15/2026 Blumenstock Gerald M EVP, Research, Dev. & Eng. 0001979418-26-000004
Sell $422K 05/15/2026 Sutton Todd VP Corporate Controller 0002124265-26-000004
Sell $486K 05/20/2026 KURTZWEIL JOHN T Director 0001184588-26-000004
Sell $457K 05/20/2026 GRAVES GREGORY B Director 0001208109-26-000004
Sell $251K 05/20/2026 Quirk Jeanne Director 0001908822-26-000004
Sell $175K 05/21/2026 Tatnall Christopher EVP Global Customer Operations 0001990732-26-000008
Sell $144K 05/22/2026 Evans Eileen EVP, General Counsel and Sec'y 0001715912-26-000005
Sell $177K 05/22/2026 Blumenstock Gerald M EVP, Research, Dev. & Eng. 0001979418-26-000008
Sell $140K 05/26/2026 St Dennis Thomas Director 0001339595-26-000008
Sell $320K 05/28/2026 Sutton Todd VP Corporate Controller 0002124265-26-000010
Sell $179K 06/03/2026 Mahoney Robert John EVP Global Operations 0002101601-26-000012
Sell $250K 06/04/2026 Sayiner Necip Director 0001338515-26-000004

Stake Changes

Action Insider Role(s) Total Change % Change
Sell Mahoney Robert John EVP Global Operations $543K 4.0%
Sell Titinger Jorge Director $328K 30.9%
Sell Redinbo Greg EVP MARKETING AND APPLICATIONS $464K 8.8%
Buy Blumenstock Gerald M EVP, Research, Dev. & Eng. $342K 11.9%
Sell Sutton Todd VP Corporate Controller $742K 38.8%
Sell KURTZWEIL JOHN T Director $486K 9.6%
Sell GRAVES GREGORY B Director $457K 37.1%
Sell Quirk Jeanne Director $251K 13.6%
Sell Tatnall Christopher EVP Global Customer Operations $175K 4.0%
Sell Evans Eileen EVP, General Counsel and Sec'y $144K 2.9%
Sell St Dennis Thomas Director $140K 4.8%
Sell Sayiner Necip Director $250K 18.2%

Transactions

Action Amount Date Insider Security Type SEC Code
Sell $364K 05/12/2026 Mahoney Robert John Common Stock Discretionary Sale
Sell $328K 05/13/2026 Titinger Jorge Common Stock Discretionary Sale
Sell $464K 05/13/2026 Redinbo Greg Common Stock Discretionary Sale
Sell $165K 05/14/2026 Blumenstock Gerald M Common Stock Discretionary Sale
Sell $422K 05/14/2026 Sutton Todd Common Stock Discretionary Sale
Sell $486K 05/19/2026 KURTZWEIL JOHN T Common Stock Discretionary Sale
Sell $371K 05/19/2026 GRAVES GREGORY B Common Stock Discretionary Sale
Sell $86K 05/19/2026 GRAVES GREGORY B Common Stock Discretionary Sale
Sell $251K 05/19/2026 Quirk Jeanne Common Stock Discretionary Sale
Sell $175K 05/20/2026 Tatnall Christopher Common Stock Discretionary Sale
Sell $177K 05/21/2026 Blumenstock Gerald M Common Stock Discretionary Sale
Sell $144K 05/22/2026 Evans Eileen Common Stock Discretionary Sale
Sell $140K 05/22/2026 St Dennis Thomas Common Stock Discretionary Sale
Sell $320K 05/27/2026 Sutton Todd Common Stock Discretionary Sale
Sell $179K 06/02/2026 Mahoney Robert John Common Stock Discretionary Sale
Sell $250K 06/03/2026 Sayiner Necip Common Stock Discretionary Sale

Stats

Prior max multiple:
6.5
Prior median multiple:
15.8

Metadata

Signal ID:
mHzyIQAog5rtAYrA
Scanned on:
06/04/2026
Status:
Current