Webster Roald Graham

CIK 0001970184

VP, Chief Accounting Officer

Filings

Latest May 22, 2026

Issuers covered

Showing

9 of 9

Page 1

Track record

1 of 2 open-market trades scored (50% price coverage) - 1 issuer without price data. Returns are signed: a +10% move on a sale shows as -10% (insider was wrong).

Horizon	Trades	Win rate	Avg	Median	Best	Worst
30 days	1	100%	+2.2%	+2.2%	+2.2%	+2.2%
90 days	1	100%	+29.0%	+29.0%	+29.0%	+29.0%
180 days	1	0%	-20.1%	-20.1%	-20.1%	-20.1%
365 days	-	-	-	-	-	-

Issuers

Companies where Webster Roald Graham has filed

Ticker	Issuer	Filings	Last filed
ALGM	Allegro Microsystems, Inc.	9	May 22, 2026

All filings

9 Form 4 / 4-A filings, newest first

Filed	Issuer	Top transaction	Shares	Price	Value
May 22, 2026	ALGMAllegro Microsystems, Inc.	SSale	5,217	$44.885	$234,165
May 19, 2026	ALGMAllegro Microsystems, Inc.	FTax	4,277	$43.10	$184,339
May 15, 2026	ALGMAllegro Microsystems, Inc.	AGrant	4,756	$0.00	$0
Aug 25, 2025	ALGMAllegro Microsystems, Inc.	SSale	8,266	$32.8082	$271,193
May 19, 2025	ALGMAllegro Microsystems, Inc.	FTax	4,948	$27.51	$136,119
May 14, 2025	ALGMAllegro Microsystems, Inc.	AGrant	1,002	$0.00	$0
Jun 13, 2024	ALGMAllegro Microsystems, Inc.	AGrant	5,520	$0.00	$0
May 17, 2024	ALGMAllegro Microsystems, Inc.	FTax	3,113	$29.75	$92,612
May 17, 2023	ALGMAllegro Microsystems, Inc.	AGrant	3,626	$0.00	$0

Showing 1-9 of 9

Page 1 of 1

Real-time Form 4 intelligence. Smarter insider tracking.

Filed		Top transaction	Shares	Price	Value