Christopher Tatnall

ACLS

Christopher Tatnall serves as officer: EVP Global Customer Operations 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

7 trades

$342.5K

Net Position

Net Seller

$342.5K

Companies Traded

ACLS

Active Period

May 2024 – May 2026

7 total trades

Most Recent

Sell ACLS

May 21, 2026 · $174.6K

Christopher Tatnall's Insider Trading at Axcelis Technologies, Inc. (ACLS)

Buys

0 · $0.00

Sells

7 · $342.5K

Total Shares Bought

Total Shares Sold

4,057

ACLS Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 21, 2026	Sell	1,166	$149.75	$174.6K	27,627
Sep 15, 2025	Sell	137	$87.30	$12.0K	0
May 15, 2025	Sell	515	$62.67	$32.3K	0
Apr 21, 2025	Sell	907	$45.23	$41.0K	0
Feb 28, 2025	Sell	1,146	$54.79	$62.8K	0
Sep 16, 2024	Sell	83	$98.86	$8.2K	0
May 15, 2024	Sell	103	$112.94	$11.6K	0