The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Blumenstock Gerald M since 2025.
This trader's CIK number is 1979418.
At the time of last reporting, Blumenstock Gerald M was the EVP, Research, Dev. & Eng. of Axcelis Technologies Inc. (stock ticker symbol ACLS).
Also see all insider trading activities at Axcelis Technologies Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | ACLS | 0 | $0 | 3,034 | $271,421 | 0 | $0 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-12-11 | ACLS | Sale | 3,034 | 89.46 | 271,421 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Blumenstock Gerald M (EVP, Research, Dev. & Eng. of Axcelis Technologies Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.