D'ANTILIO DEREK

PrivateCIK: 1904082
Location

MANCHESTER, NH

D'ANTILIO DEREK (SVP, CFO & Treasurer) reported 1 transaction at ALLEGRO MICROSYSTEMS, INC.

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

InsiderD'ANTILIO DEREKCIK 1904082
Officer· SVP, CFO & Treasurer
Since Jan 2022
-9.99K
Net shares
Net seller
$364.5K
Total sold
0
Open market trades
0B · 0S
1
Total transactions
9.99K disposed
Non-Derivative Transactions1

Common Stock

Direct
F · Tax Withholding

Shares

9.99K

Price / share

$36.47

Trade value

$364.52K

% of position

4.4%
2/27/2026
226.77K216.78K
Total

Net shares

9.99K

Net value

-$364.52K

Derivative Transactions0
No derivative transactions reported
D'ANTILIO DEREK — Insider Transaction (Form 4) Filed Mar 3, 2026 | Finecho