Dennis Thomas St Axcelis Technologies Inc (ACLS) insider trading activity

ACLS Quotes by TradingView

Dennis Thomas St is of AXCELIS TECHNOLOGIES INC. Currently has a direct ownership of 17,155 shares of ACLS, which is worth approximately $1.26 Million. The most recent transaction as insider was on May 15, 2025, when has been sold 3,586 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 17.2K
31.26% 3M change
31.26% 12M change
Total Value Held $1.26 Million

Dennis Thomas St Transaction History

Date Transaction Value Shares Traded Shares Held Form
May 15 2025
BUY
Grant, award, or other acquisition
-
3,586 Added 17.29%
17,155 Common Stock
May 15 2024
BUY
Grant, award, or other acquisition
-
1,162 Added 8.17%
13,069 Common Stock
May 15 2023
BUY
Grant, award, or other acquisition
-
1,282 Added 9.72%
11,907 Common Stock
Feb 13 2023
SELL
Open market or private sale
$1,524,240 $127.02 p/Share
12,000 Reduced 53.04%
10,625 Common Stock
Nov 18 2022
SELL
Open market or private sale
$229,980 $76.66 p/Share
3,000 Reduced 11.71%
22,625 Common Stock
May 16 2022
BUY
Grant, award, or other acquisition
-
2,689 Added 9.5%
25,625 Common Stock
Feb 10 2022
SELL
Open market or private sale
$218,430 $72.81 p/Share
3,000 Reduced 11.57%
22,936 Common Stock
Aug 30 2021
SELL
Open market or private sale
$176,120 $50.32 p/Share
3,500 Reduced 11.89%
25,936 Common Stock
May 17 2021
BUY
Grant, award, or other acquisition
-
3,497 Added 10.62%
29,436 Common Stock

Also insider at

VECO
VEECO INSTRUMENTS INC Technology
FORM
FORMFACTOR INC Technology
Director
DTS

Dennis Thomas St

Livermore, CA

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