Derek D'Antilio

CIK: 0001904082

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (55.6%)

Compensation grants

Other (G, F, J, C, D, …)4 (44.4%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ALGM

ALLEGRO MICROSYSTEMS, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (9 total)

ALGM
ALLEGRO MICROSYSTEMS, INC.
May 16, 2026
Tax Payment(F)
Direct
37.8K shares at avg. $43.10$1.6M
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 13, 2026
Award(A)
Direct
30.4K shares-
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 13, 2026
Award(A)
Direct
29.4K shares-
ALGM
ALLEGRO MICROSYSTEMS, INC.
Feb 27, 2026
Tax Payment(F)
Direct
10K shares at avg. $36.47$365K
ALGM
ALLEGRO MICROSYSTEMS, INC.
Feb 13, 2026
Tax Payment(F)
Direct
17.8K shares at avg. $42.38$755K
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 16, 2025
Tax Payment(F)
Direct
29.9K shares at avg. $27.51$823K
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 15, 2025
Award(A)
Direct
65.1K shares-
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 13, 2025
Award(A)
Direct
21.3K shares-
ALGM
ALLEGRO MICROSYSTEMS, INC.
Feb 27, 2025
Award(A)
Direct
20.7K shares-

		Type	Shares	Price		Ownership
May 16, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Tax Payment(F)	37,840	$43.10	$1,630,904	Direct
May 13, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	30,438	-	$0	Direct
May 13, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	29,439	-	$0	Direct
Feb 27, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Tax Payment(F)	9,995	$36.47	$364,518	Direct
Feb 13, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Tax Payment(F)	17,808	$42.38	$754,703	Direct
May 16, 2025	ALGM ALLEGRO MICROSYSTEMS, INC.	Tax Payment(F)	29,911	$27.51	$822,852	Direct
May 15, 2025	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	65,098	-	-	Direct
May 13, 2025	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	21,295	-	-	Direct
Feb 27, 2025	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	20,671	-	-	Direct

1-9 of 9 transactions

About D'Antilio Derek

D'Antilio Derek (SEC CIK 0001904082) files insider reports with the SEC as EVP, CFO & Treasurer of ALLEGRO MICROSYSTEMS, INC. (ALGM).

Signal8 holds 7 ownership filings by D'Antilio Derek, all Form 4s, filed between Mar 3, 2025 and May 19, 2026. Those filings report 9 transactions, from Feb 27, 2025 to May 16, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on D'Antilio Derek's filings is in MANCHESTER, NH.

Recent filings by D'Antilio Derek

May 16, 2026: Tax withholding of ALGM shares (Form 4, code F).
May 13, 2026: Grants or awards of ALGM shares (2 lines, Form 4, code A).
Feb 27, 2026: Tax withholding of ALGM shares (Form 4, code F).
Feb 13, 2026: Tax withholding of ALGM shares (Form 4, code F).
May 16, 2025: Tax withholding of ALGM shares (Form 4, code F).

Other insiders filing for ALLEGRO MICROSYSTEMS, INC. (ALGM)

Willett Robert, Director
Raubacher Jennie, Director
Hagen Erin, SVP, CHRO
Suzuki Yoshihiro, Director
MARTIN JOSEPH R, Director
PUMA MARY G, Director

How to read Form 4 transaction codes