Webster Roald Graham
VP, Chief Accounting Officer
Webster Roald Graham has filed 3 SEC Form 4 filings (4 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: May 22, 2026.
On the most recent filing, Webster Roald Graham is listed as VP, Chief Accounting Officer at ALLEGRO MICROSYSTEMS, INC. Inside the rolling window, Webster Roald Graham reported no open-market purchases and 1 open-market sale totaling $234K in ALGM.
Companies traded
Other insiders at ALGM
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$234K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Webster Roald Graham made?
Webster Roald Graham has filed 3 SEC Form 4 filings (4 transaction rows) across 1 company since 2026.
Which companies does Webster Roald Graham trade?
Webster Roald Graham has filed SEC Form 4 disclosures for 1 company, including ALGM.
When was Webster Roald Graham's most recent SEC Form 4 filing?
Webster Roald Graham's most recent SEC Form 4 filing on Tracefour is dated May 22, 2026.
What is Webster Roald Graham's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Webster Roald Graham is listed as VP, Chief Accounting Officer.
What is Webster Roald Graham's total buy and sell value in the current window?
Inside the rolling retention window, Webster Roald Graham bought $0 and sold $234K based on SEC Form 4 filings.
What was Webster Roald Graham's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 5,217 ALGM shares on 2026-05-21, worth $234K, per SEC Form 4 filings.