WEBSTER ROALD GRAHAM

PrivateCIK: 1970184
Location

MANCHESTER, NH

WEBSTER ROALD GRAHAM (VP, Chief Accounting Officer) reported 1 transaction at ALLEGRO MICROSYSTEMS, INC.

Review the transaction codes below to understand the nature of each event.

InsiderWEBSTER ROALD GRAHAMCIK 1970184
Officer· VP, Chief Accounting Officer
Since Mar 2023
-4.28K
Net shares
Net seller
$184.3K
Total sold
0
Open market trades
0B · 0S
1
Total transactions
4.28K disposed
Non-Derivative Transactions1

Common Stock

Direct
F · Tax Withholding

Shares

4.28K

Price / share

$43.10

Trade value

$184.34K

% of position

18.9%
5/16/2026
22.60K18.32K
Total

Net shares

4.28K

Net value

-$184.34K

Derivative Transactions0
No derivative transactions reported
WEBSTER ROALD GRAHAM — Insider Transaction (Form 4) Filed May 19, 2026 | Finecho