ACLS
AXCELIS TECHNOLOGIES INC
Latest Form 4:Sale$250KbySayiner Necip (Director) · filed Jun 4, 2026
AXCELIS TECHNOLOGIES INC (ACLS) has 56 SEC Form 4 filings (86 transaction rows) in the rolling window, disclosed by 13 distinct insiders. Most recent filing: Jul 17, 2026.
Inside the rolling window, 13 insiders at AXCELIS TECHNOLOGIES INC reported no open-market purchases and 22 open-market sales totaling $6.4M. The most active filer is PRESIDENT AND CEO Low Russell with 4 filings. Insiders have net sold $6.0M over the trailing 6 months. The most recent open-market filing is a sale of 1,586 shares by Director Sayiner Necip, dated Jun 3, 2026, worth $250K.
- Industry:Semiconductors
- CEO:Russell J. Low
- Employees:1,465
- HQ:Beverly, MA, US
- IPO:2000-07-11
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$6.4M
reported sales (SEC code S)
Unique Insiders
13
in the rolling window
Market Cap
$3.4B
latest known value
| Source | ||||||
|---|---|---|---|---|---|---|
| Director | Sale | 1,586 | $250K | Jun 4 | SEC ↗ | |
| EVP Global Operations | Sale | 1,155 | $179K | Jun 3 | SEC ↗ | |
| VP Corporate Controller | Sale | 2,000 | $320K | May 28 | SEC ↗ | |
| Director | Sale | 900 | $140K | May 26 | SEC ↗ | |
| EVP, Research, Dev. & Eng. | Sale | 1,161 | $177K | May 22 | SEC ↗ | |
Evans EileenFirst filing | EVP, General Counsel and Sec'y | Sale | 926 | $144K | May 22 | SEC ↗ |
Tatnall ChristopherFirst filing | EVP Global Customer Operations | Sale | 1,166 | $175K | May 21 | SEC ↗ |
| Director | Sale | 3,225 | $457K | May 20 | SEC ↗ | |
KURTZWEIL JOHN TFirst filing | Director | Sale | 3,500 | $486K | May 20 | SEC ↗ |
Quirk JeanneFirst filing | Director | Sale | 1,789 | $251K | May 20 | SEC ↗ |
Sutton ToddFirst filing | VP Corporate Controller | Sale | 2,574 | $422K | May 15 | SEC ↗ |
Blumenstock Gerald MFirst in 5 months | EVP, Research, Dev. & Eng. | Sale | 1,015 | $165K | May 15 | SEC ↗ |
| Director | Sale | 2,000 | $328K | May 14 | SEC ↗ | |
Redinbo GregFirst filing | EVP MARKETING AND APPLICATIONS | Sale | 2,883 | $464K | May 14 | SEC ↗ |
Mahoney Robert JohnFirst filing | EVP Global Operations | Sale | 2,258 | $364K | May 13 | SEC ↗ |
| PRESIDENT AND CEO | Sale | 7,468 | $1.2M | May 7 | SEC ↗ | |
| PRESIDENT AND CEO | Sale | 1,244 | $173K | May 4 | SEC ↗ | |
| PRESIDENT AND CEO | Sale | 1,244 | $117K | Apr 2 | SEC ↗ | |
Low RussellFirst filing | PRESIDENT AND CEO | Sale | 1,244 | $112K | Mar 26 | SEC ↗ |
| Director | Sale | 1,000 | $80K | Feb 23 | SEC ↗ | |
Titinger JorgeFirst filing | Director | Sale | 2,000 | $172K | Dec 18 | SEC ↗ |
Blumenstock Gerald MFirst filing | EVP, Research, Dev. & Eng. | Sale | 3,034 | $271K | Dec 12 | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does ACLS have?
AXCELIS TECHNOLOGIES INC (ACLS) has 56 SEC Form 4 filings (86 transaction rows) in the rolling 365-day window, disclosed by 13 distinct insiders. Most recent filing: Jul 17, 2026.
When was the most recent SEC Form 4 filing for ACLS?
The most recent Form 4 filing for ACLS on Tracefour is dated Jul 17, 2026.
Who is the most active insider at ACLS?
The most active SEC Form 4 filer at ACLS in the rolling window is PRESIDENT AND CEO Low Russell, with 4 filings.
What is the net insider flow at ACLS over the last 6 months?
Over the trailing 180 days, insiders at ACLS have net sold $6.0M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at ACLS in the current window?
Inside the rolling window, insiders at ACLS bought $0 and sold $6.4M based on SEC Form 4 filings.
Can I get alerts for ACLS insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at AXCELIS TECHNOLOGIES INC (ACLS). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
AXCELIS TECHNOLOGIES INC is in the Manufacturing sector.