Derek D'Antilio Allegro Microsystems, Inc. (ALGM) insider trading activity

Derek D'Antilio is EVP, CFO & Treasurer of ALLEGRO MICROSYSTEMS, INC.. Currently has a direct ownership of 244,579 shares of ALGM, which is worth approximately $7.29 Million. The most recent transaction as insider was on May 16, 2025, when has been sold 29,911 shares (Common Stock) at a price of $27.51 per share, resulting in proceeds of $822,851. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 245K

30.03% 3M change

46.08% 12M change

Total Value Held $7.29 Million

Derek D'Antilio Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
May 16 2025	SELL Payment of exercise price or tax liability	$822,851 $27.51 p/Share	29,911 Reduced 10.9%	244,579 Common Stock
May 15 2025	BUY Grant, award, or other acquisition	-	65,098 Added 19.17%	274,490 Common Stock
May 13 2025	BUY Grant, award, or other acquisition	-	21,295 Added 9.23%	209,392 Common Stock
Feb 27 2025	BUY Grant, award, or other acquisition	-	20,671 Added 9.9%	188,097 Common Stock
Jun 11 2024	BUY Grant, award, or other acquisition	-	34,495 Added 17.08%	167,426 Common Stock
May 16 2024	SELL Payment of exercise price or tax liability	$371,696 $29.75 p/Share	12,494 Reduced 8.59%	132,931 Common Stock
May 15 2024	BUY Grant, award, or other acquisition	-	13,251 Added 8.35%	145,425 Common Stock
Feb 13 2024	SELL Payment of exercise price or tax liability	$325,396 $30.34 p/Share	10,725 Reduced 7.51%	132,174 Common Stock
Sep 15 2023	BUY Open market or private purchase	$50,041 $33.63 p/Share	1,488 Added 1.03%	142,899 Common Stock
May 16 2023	SELL Payment of exercise price or tax liability	$270,183 $38.14 p/Share	7,084 Reduced 4.77%	141,411 Common Stock
May 15 2023	BUY Grant, award, or other acquisition	-	21,092 Added 12.44%	148,495 Common Stock
May 12 2023	BUY Grant, award, or other acquisition	-	25,554 Added 16.71%	127,403 Common Stock
Feb 13 2023	SELL Payment of exercise price or tax liability	$638,121 $43.68 p/Share	14,609 Reduced 12.54%	101,849 Common Stock
Feb 02 2023	BUY Grant, award, or other acquisition	$1,500,026 $41.1 p/Share	36,497 Added 23.86%	116,458 Common Stock
May 16 2022	BUY Grant, award, or other acquisition	-	25,554 Added 24.22%	79,961 Common Stock
Feb 03 2022	BUY Grant, award, or other acquisition	-	54,407 Added 50.0%	54,407 Common Stock

Derek D'Antilio

EVP, CFO & Treasurer

Manchester, NH

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