Roald Graham Webster

CIK: 0001970184

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (25.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)2 (25.0%)

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 (8 total)

ALGM
ALLEGRO MICROSYSTEMS, INC.
May 21, 2026
Sale(S)
Direct
5.2K shares at avg. $44.88$234K
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 16, 2026
Tax Payment(F)
Direct
4.3K shares at avg. $43.10$184K
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 13, 2026
Award(A)
Direct
4.8K shares-
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 13, 2026
Award(A)
Direct
544 shares-
ALGM
ALLEGRO MICROSYSTEMS, INC.
Aug 22, 2025
Sale(S)
Direct
8.3K shares at avg. $32.81$271K
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 16, 2025
Tax Payment(F)
Direct
4.9K shares at avg. $27.51$136K
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 15, 2025
Award(A)
Direct
9.8K shares-
ALGM
ALLEGRO MICROSYSTEMS, INC.
May 13, 2025
Award(A)
Direct
1K shares-

		Type	Shares	Price		Ownership
May 21, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Sale(S)	5,217	$44.88	$234,165	Direct
May 16, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Tax Payment(F)	4,277	$43.10	$184,339	Direct
May 13, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	4,756	-	$0	Direct
May 13, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	544	-	$0	Direct
Aug 22, 2025	ALGM ALLEGRO MICROSYSTEMS, INC.	Sale(S)	8,266	$32.81	$271,193	Direct
May 16, 2025	ALGM ALLEGRO MICROSYSTEMS, INC.	Tax Payment(F)	4,948	$27.51	$136,119	Direct
May 15, 2025	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	9,765	-	-	Direct
May 13, 2025	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	1,002	-	-	Direct

1-8 of 8 transactions

About Webster Roald Graham

Webster Roald Graham (SEC CIK 0001970184) files insider reports with the SEC as VP, Chief Accounting Officer of ALLEGRO MICROSYSTEMS, INC. (ALGM).

Signal8 holds 6 ownership filings by Webster Roald Graham, all Form 4s, filed between May 14, 2025 and May 22, 2026. Those filings report 8 transactions, from May 13, 2025 to May 21, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Webster Roald Graham's filings is in MANCHESTER, NH.

Recent filings by Webster Roald Graham

May 21, 2026: Open-market sale of ALGM shares (Form 4, code S).
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).
Aug 22, 2025: Open-market sale of ALGM shares (Form 4, code S).
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