Insider Profile · SEC Form 4 Activity · Trailing 90 Days

Webster Roald Graham

Over the trailing 90 days, Webster Roald Graham (Other at ALLEGRO MICROSYSTEMS, INC.) sold $419K of stock in ALGM, per 4 SEC Form 4 transactions.

Role: Other
Companies: ALGM
Window: Trailing 90 days · 4 transactions · CIK 1970184
Net activity: −$419K ($0 bought · $419K sold)
Source: Official filings on sec.gov ↗

By Company (Trailing 90 Days)

Symbol	Company	Txns	Bought	Sold	Net
ALGM	ALLEGRO MICROSYSTEMS, INC.	4	—	$419K	−$419K

Transactions (4)

Date	Symbol	Type	Shares	Value	Description
2026-05-21	ALGM	Sell	5.2K	$234K	Open market or private sale
2026-05-16	ALGM	Sell	4.3K	$184K	Payment of exercise price or tax liability by delivering securities
2026-05-13	ALGM	Buy	4.8K	$0	Grant, award or other acquisition
2026-05-13	ALGM	Buy	544	$0	Grant, award or other acquisition

Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.

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