WEBSTER ROALD GRAHAM

PrivateCIK: 1970184
Location

MANCHESTER, NH

WEBSTER ROALD GRAHAM (VP, Chief Accounting Officer) sold 28.5% of their position (5.22K shares) of ALLEGRO MICROSYSTEMS, INC. on the open market

Open‑market sale worth $234.2K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderWEBSTER ROALD GRAHAMCIK 1970184
Officer· VP, Chief Accounting Officer
Since Mar 2023
-5.22K
Net shares
Net seller
$234.2K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
5.22K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

5.22K

Price / share

$44.88

Trade value

$234.17K

% of position

28.5%
5/21/2026
18.32K13.11K
Total

Net shares

5.22K

Net value

-$234.17K

Derivative Transactions0
No derivative transactions reported