Roald Graham Webster

ALGM

Roald Graham Webster serves as 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

3 trades

$499.9K

Net Position

Net Seller

$499.9K

Companies Traded

ALGM

Active Period

May 2024 – Aug 2025

3 total trades

Most Recent

Sell ALGM

Aug 22, 2025 · $271.2K

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

Buys

0 · $0.00

Sells

3 · $499.9K

Total Shares Bought

Total Shares Sold

16,327

ALGM Price Chart

Loading chart...

Date	Type	Shares	Avg Price	Value
Aug 22, 2025↗	Sell	8,266	$32.81	$271.2K
May 15, 2025↗	Sell	4,948	$27.51	$136.1K
May 15, 2024↗	Sell	3,113	$29.75	$92.6K

Related Insiders

Sharon Briansky

officer: SVP, GC and Secretary

ALGMSell · Mar 2, 2026

Erin Hagen

officer: SVP, CHRO

ALGMSell · Mar 2, 2026

Sharon Briansky

SVP, GC and Secretary

ALGMSell · Feb 17, 2026

Derek D'Antilio

EVP, CFO & Treasurer

ALGMSell · Feb 13, 2026

Richard R. Lury

Director

ALGMSell · Aug 12, 2025

Erin Hagen

SVP, CHRO

ALGMSell · Aug 4, 2025

Michael Doogue

President and CEO

ALGMSell · May 16, 2025

Explore More Insider Trading Data

ALGM Insider Trading Activity

View all insider trades at Allegro MicroSystems, Inc.

Technology Sector Insider Trades

See insider activity across technology stocks

Latest Insider Buys

Most recent insider purchases across all stocks

CEO Stock Purchases

Track CEO buying activity