SEC Insider Transactions from D'Antilio Derek.

Last updated: 2026-03-14 11:54 UTC | Total transactions: 16

D'Antilio Derek has filed 16 insider transactions across 1 company since February 2023.

Most recent transaction: a tax payment of 9995 shares of ALLEGRO MICROSYSTEMS, INC. ($ALGM) on February 27, 2026.

Activity breakdown: 1 open-market purchase and 0 sales.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 27, 2026 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek EVP, CFO & Treasurer F Common Stock 9995 $36.47 216,776.0000 186,208,258 4.41% 0.01%
Feb. 13, 2026 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek EVP, CFO & Treasurer F Common Stock 17808 $42.38 226,771.0000 186,208,258 7.28% 0.01%
May 15, 2025 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek EVP, CFO & Treasurer A Common Stock 65098 $0.00 274,490.0000 187,707,391 31.09% 0.03%
May 16, 2025 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek EVP, CFO & Treasurer F Common Stock 29911 $27.51 244,579.0000 187,707,391 10.90% 0.02%
May 13, 2025 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek EVP, CFO & Treasurer A Common Stock 21295 $0.00 209,392.0000 187,707,391 11.32% 0.01%
Feb. 27, 2025 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek EVP, CFO & Treasurer A Common Stock 20671 $0.00 188,097.0000 188,886,583 12.35% 0.01%
June 11, 2024 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer A Common Stock 34495 $0.00 167,426.0000 194,674,352 25.95% 0.02%
May 16, 2024 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer F Common Stock 12494 $29.75 132,931.0000 194,674,352 8.59% 0.01%
May 15, 2024 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer A Common Stock 13251 $0.00 145,425.0000 194,674,352 10.03% 0.01%
Feb. 13, 2024 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer F Common Stock 10725 $30.34 132,174.0000 193,688,102 7.51% 0.01%
Sept. 15, 2023 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer P Common Stock 1488 $33.63 142,899.0000 193,688,102 1.05% 0.00%
May 16, 2023 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer F Common Stock 7084 $38.14 141,411.0000 193,688,102 4.77% 0.00%
May 15, 2023 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer A Common Stock 21092 $0.00 148,495.0000 193,688,102 16.56% 0.01%
May 12, 2023 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer A Common Stock 25554 $0.00 127,403.0000 193,688,102 25.09% 0.01%
Feb. 13, 2023 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer F Common Stock 14609 $43.68 101,849.0000 0 12.54% 0.00%
Feb. 2, 2023 ALLEGRO MICROSYSTEMS, INC. $ALGM D'Antilio Derek SVP, CFO & Treasurer A Common Stock 36497 $41.10 116,458.0000 0 45.64% 0.00%