AXCELIS TECHNOLOGIES INC
Net SellingACLS·US·🇺🇸 US
21%buys·79%sales
1,311 transactions$1.8MTotal buys·82 buys
$109.8MTotal sells·305 sells
4040 insiders
Last: Apr 1, 2026
| Date | Insider | Type | Value | |
|---|---|---|---|---|
| Apr 20, 26 | Tatnall Christopher | Other | $119K | |
| Apr 1, 26 | Low Russell | Sell | $117K | |
| Dec 17, 25 | Titinger Jorge | Sell | $172K | |
| Dec 16, 25 | Evans Eileen | Other | $119K | |
| Dec 11, 25 | Blumenstock Gerald M | Sell | $271K | |
| Oct 16, 25 | COOGAN JAMES GORDON | Other | $60K | |
| Sep 15, 25 | Redinbo Greg | Other | $18K | |
| Sep 15, 25 | Tatnall Christopher | Other | $12K | |
| Jun 16, 25 | Redinbo Greg | Other | $51K | |
| Jun 16, 25 | Blumenstock Gerald M | Other | $35K |
Low Russell (CEO) recently executed a sell of $117K in AXCELIS TECHNOLOGIES INC shares on April 1, 2026. Overall insider sentiment is bearish (79% sales).
AXCELIS TECHNOLOGIES INC (ACLS) has recorded 1 311 insider operations, including 82 open-market purchases ($1.8M), 305 sales ($109.8M) and 924 other operations (stock option exercises, grants, tax dispositions, donations). The insider sentiment is bearish (79% sales).
AXCELIS TECHNOLOGIES INC shows moderate insider activity with 7 active months out of the last 12, typical of a company whose trading windows are concentrated around financial disclosures.
Among the most active insiders are PUMA MARY G (CEO), Low Russell (CEO) & BREWER KEVIN J (CFO), with respectively 207, 84, 140 transactions.
Across all 1 312 recorded transactions, the breakdown by type is: grant (353, 27%), tax (332, 25%), sales (305, 23%), exercise (208, 16%), buys (82, 6%).
Data sourced from regulatory filings (SEC Form 4, AMF, BaFin, FI, and other European authorities).
AXCELIS TECHNOLOGIES INC has recorded 1 311 insider operations in total, including 82 open-market purchases ($1.8M), 305 sales ($109.8M) and 924 other operations (stock option exercises, grants, tax dispositions, donations). The most recent transaction was recorded on April 1, 2026.
Insiders at AXCELIS TECHNOLOGIES INC are currently net sellers, with 21% purchases and 79% sales across all reported transactions. Total buy volume is $1.8M versus $109.8M in sales, indicating a bearish insider sentiment.
InsiderLens tracks 40 insiders at AXCELIS TECHNOLOGIES INC (ACLS). PUMA MARY G (CEO, 207 tx), Low Russell (CEO, 84 tx), BREWER KEVIN J (CFO, 140 tx). Data is sourced from mandatory regulatory filings for persons with access to privileged information.
The insider signal for ACLS is bearish, based on a 21% buy ratio across 387 buy and sell transactions reported to financial regulators. Transactions from C-suite executives (CEO, CFO) and board members are generally considered the most informative signals.
Insider trading data for AXCELIS TECHNOLOGIES INC comes from official regulatory filings: SEC Form 4 (United States), AMF (France), BaFin (Germany), FI (Sweden), and other European financial authorities. These filings are mandatory for directors, officers, and holders of more than 10% of a company's shares. InsiderLens aggregates and normalizes this data for analysis.