Gerald M Blumenstock sold $271K of Axcelis Technologies (ACLS)

Executed Dec 11 2025, disclosed Dec 12 2025, 1 day later.

Value, as filed

$271K

3,034 sh × $89.46

Executed

Dec 11 2025

the trade date, as filed

Disclosed

Dec 12 2025

1 day after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

GB Gerald M Blumenstock EVP, Research, Dev. & Eng. profile →

Gerald M Blumenstock (EVP, Research, Dev. & Eng.) filed 3 Form 4 reports in the trailing twelve months (0 purchases, 3 sales), most often in ACLS. The largest single filing was $271K of ACLS (3,034 sh × $89.46, as filed), executed Dec 11 2025.

The name

ACLS ACLS ACLS · 22 filings in 24 months ticker → Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Gerald M Blumenstock in ACLS

ACLSSALE AXCELIS TECHNOLOGIES INC $177K
1,161 sh × $152.70
Exec May 21
Filed May 22 · 5:30 PM ET ACLSSALE AXCELIS TECHNOLOGIES INC $165K
1,015 sh × $162.32
Exec May 14
Filed May 15 · 5:30 PM ET