Brian C. White

CIK: 0001438029

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)3 (42.9%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (57.1%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (2)

ALGM

ALLEGRO MICROSYSTEMS, INC.

Director

FORM

FORMFACTOR INC

Director

Discretionary Trading P&L

Holdings

Transaction History (7 total)

ALGM
ALLEGRO MICROSYSTEMS, INC.
Aug 5, 2026
Award(A)
Deferred Stock Units
Direct
4.3K shares-
ALGM
ALLEGRO MICROSYSTEMS, INC.
Jun 17, 2026
Award(A)
Direct
594 shares-
FORM
FORMFACTOR INC
May 20, 2026
Sale(S)
Direct
3.3K shares at avg. $126.00$410K
FORM
FORMFACTOR INC
May 15, 2026
Award(A)
Direct
1.3K shares-
FORM
FORMFACTOR INC
Feb 24, 2026
Sale(S)
Direct
2.3K shares at avg. $100.01$230K
FORM
FORMFACTOR INC
Feb 9, 2026
Sale(S)
Direct
5.5K shares at avg. $90.95$500K
FORM
FORMFACTOR INC
May 16, 2025
Award(A)
Direct
6.5K shares-

		Type	Shares	Price		Ownership
Aug 5, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A) Deferred Stock Units	4,251	-	-	Direct
Jun 17, 2026	ALGM ALLEGRO MICROSYSTEMS, INC.	Award(A)	594	-	$0	Direct
May 20, 2026	FORM FORMFACTOR INC	Sale(S)	3,250	$126.00	$409,500	Direct
May 15, 2026	FORM FORMFACTOR INC	Award(A)	1,347	-	$0	Direct
Feb 24, 2026	FORM FORMFACTOR INC	Sale(S)	2,300	$100.01	$230,023	Direct
Feb 9, 2026	FORM FORMFACTOR INC	Sale(S)	5,500	$90.95	$500,225	Direct
May 16, 2025	FORM FORMFACTOR INC	Award(A)	6,528	-	-	Direct

1-7 of 7 transactions

About WHITE BRIAN C

WHITE BRIAN C (SEC CIK 0001438029) files insider reports with the SEC as Director of ALLEGRO MICROSYSTEMS, INC. (ALGM) and Director of FORMFACTOR INC (FORM).

Signal8 holds 8 ownership filings by WHITE BRIAN C (1 Form 3, 7 Form 4), filed between May 16, 2025 and Aug 7, 2026. Those filings report 7 transactions, from May 16, 2025 to Aug 5, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on WHITE BRIAN C's filings is in MANCHESTER, NH.

Recent filings by WHITE BRIAN C

Aug 5, 2026: Grant or award of ALGM derivative securities (Form 4, code A).
Jun 17, 2026: Grant or award of ALGM shares (Form 4, code A).
May 20, 2026: Open-market sale of FORM shares (Form 4, code S).
May 15, 2026: Grant or award of FORM shares (Form 4, code A).
Feb 24, 2026: Open-market sale of FORM shares (Form 4, code S).

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