Roald Graham Webster Allegro Microsystems, Inc. (ALGM) insider trading activity

Roald Graham Webster is VP, Chief Accounting Officer of ALLEGRO MICROSYSTEMS, INC.. Currently has a direct ownership of 17,300 shares of ALGM, which is worth approximately $491,493. The most recent transaction as insider was on Aug 22, 2025, when has been sold 8,266 shares (Common Stock) at a price of $32.81 per share, resulting in proceeds of $271,207. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 17.3K

32.33% 3M change

12.39% 12M change

Total Value Held $491,493

Roald Graham Webster Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Aug 22 2025	SELL Open market or private sale	$271,207 $32.81 p/Share	8,266 Reduced 32.33%	17,300 Common Stock
May 16 2025	SELL Payment of exercise price or tax liability	$136,119 $27.51 p/Share	4,948 Reduced 16.22%	25,566 Common Stock
May 15 2025	BUY Grant, award, or other acquisition	-	9,765 Added 24.24%	30,514 Common Stock
May 13 2025	BUY Grant, award, or other acquisition	-	1,002 Added 4.61%	20,749 Common Stock
Jun 11 2024	BUY Grant, award, or other acquisition	-	5,520 Added 21.85%	19,747 Common Stock
May 16 2024	SELL Payment of exercise price or tax liability	$92,611 $29.75 p/Share	3,113 Reduced 17.95%	14,227 Common Stock
May 15 2024	BUY Grant, award, or other acquisition	-	5,804 Added 25.08%	17,340 Common Stock
May 15 2023	BUY Grant, award, or other acquisition	-	11,536 Added 50.0%	11,536 Common Stock

RGW

Roald Graham Webster

VP, Chief Accounting Officer

Manchester, NH

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