Roald Graham Webster

ALGM

Roald Graham Webster serves as officer: VP, Chief Accounting Officer at Allegro MicroSystems, Inc. (ALGM). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

4 trades

$734.1K

Net Position

Net Seller

$734.1K

Companies Traded

ALGM

Active Period

May 2024 – May 2026

4 total trades

Most Recent

Sell ALGM

May 22, 2026 · $234.2K

Roald Graham Webster's Insider Trading at Allegro MicroSystems, Inc. (ALGM)

Buys

0 · $0.00

Sells

4 · $734.1K

Total Shares Bought

Total Shares Sold

21,544

ALGM Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
May 22, 2026	Sell	5,217	$44.89	$234.2K	13,106
Aug 22, 2025	Sell	8,266	$32.81	$271.2K	0
May 15, 2025	Sell	4,948	$27.51	$136.1K	0
May 15, 2024	Sell	3,113	$29.75	$92.6K	0

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