Gerald M Blumenstock

ACLS

Gerald M Blumenstock serves as 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

5 trades

$411.4K

Net Position

Net Seller

$411.4K

Companies Traded

ACLS

Active Period

Jun 2024 – Dec 2025

5 total trades

Most Recent

Sell ACLS

Dec 11, 2025 · $271.4K

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

Buys

0 · $0.00

Sells

5 · $411.4K

Total Shares Bought

Total Shares Sold

4,941

ACLS Price Chart

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Date	Type	Shares	Avg Price	Value
Dec 11, 2025↗	Sell	3,034	$89.46	$271.4K
Jun 16, 2025↗	Sell	506	$68.96	$34.9K
May 15, 2025↗	Sell	345	$62.67	$21.6K
Feb 28, 2025↗	Sell	748	$54.79	$41.0K
Jun 17, 2024↗	Sell	308	$138.02	$42.5K