Gerald M Blumenstock

ACLS

Gerald M Blumenstock serves as officer: EVP, Research, Dev. & Eng. at Axcelis Technologies, Inc. (ACLS). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

6 trades

$731.8K

Net Position

Net Seller

$731.8K

Companies Traded

ACLS

Active Period

Jun 2024 – May 2026

6 total trades

Most Recent

Sell ACLS

May 22, 2026 · $177.3K

Gerald M Blumenstock's Insider Trading at Axcelis Technologies, Inc. (ACLS)

Buys

0 · $0.00

Sells

6 · $731.8K

Total Shares Bought

Total Shares Sold

6,772

ACLS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 22, 2026	Sell	1,161	$152.70	$177.3K	20,493
May 15, 2026	Sell	1,015	$162.32	$164.8K	17,293
Dec 11, 2025	Sell	3,034	$89.46	$271.4K	0
Jun 16, 2025	Sell	506	$68.96	$34.9K	0
Feb 28, 2025	Sell	748	$54.79	$41.0K	0
Jun 17, 2024	Sell	308	$138.02	$42.5K	0