17 insiders reported 71 Form 4 transactions for ALLEGRO MICROSYSTEMS, INC. (ALGM) over the past 18 months (most recent 2026-06-18). Recent activity: WHITE BRIAN C (Director) Buy 594 shares, Webster Roald Graham (VP, Chief Accounting Officer) Sell 5,217 shares, D'Antilio Derek (EVP, CFO & Treasurer) Sell 37,840 shares, Kent Ian (SVP, Global Operations) Sell 2,345 shares, Coleman Troy (SVP, General Manager, Products) Sell 9,670 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-18 | WHITE BRIAN C | Director | Buy | 594 | $0 |
| 2026-05-22 | Webster Roald Graham | VP, Chief Accounting Officer | Sell | 5,217 | $234,165 |
| 2026-05-19 | D'Antilio Derek | EVP, CFO & Treasurer | Sell | 37,840 | $1.6M |
| 2026-05-19 | Kent Ian | SVP, Global Operations | Sell | 2,345 | $101,070 |
| 2026-05-19 | Coleman Troy | SVP, General Manager, Products | Sell | 9,670 | $416,777 |
| 2026-05-19 | Madormo Richard | SVP, Worldwide Sales | Sell | 5,439 | $234,421 |
| 2026-05-19 | Hagen Erin | SVP, CHRO | Sell | 5,815 | $250,626 |
| 2026-05-19 | Webster Roald Graham | VP, Chief Accounting Officer | Sell | 4,277 | $184,339 |
| 2026-05-19 | Briansky Sharon | SVP, GC and Secretary | Sell | 13,942 | $600,900 |
| 2026-05-19 | Doogue Michael | President and CEO | Sell | 60,508 | $2.6M |
| 2026-05-19 | Kent Ian | SVP, Global Operations | Sell | 2,642 | $109,802 |
| 2026-05-15 | Coleman Troy | SVP, General Manager, Products | Buy | 18,116 | $0 |
| 2026-05-15 | Hagen Erin | SVP, CHRO | Buy | 9,058 | $0 |
| 2026-05-15 | Webster Roald Graham | VP, Chief Accounting Officer | Buy | 4,756 | $0 |
| 2026-05-15 | Madormo Richard | SVP, Worldwide Sales | Buy | 19,815 | $0 |
| 2026-05-15 | Kent Ian | SVP, Global Operations | Buy | 8,492 | $0 |
| 2026-05-15 | D'Antilio Derek | EVP, CFO & Treasurer | Buy | 29,439 | $0 |
| 2026-05-15 | Briansky Sharon | SVP, GC and Secretary | Buy | 15,852 | $0 |
| 2026-05-15 | Doogue Michael | President and CEO | Buy | 77,135 | $0 |
| 2026-05-15 | Lynch Susan D | Director | Sell | 16,711 | $759,625 |
| 2026-05-15 | Willett Robert | Director | Buy | 1,094 | $0 |
| 2026-05-15 | Webster Roald Graham | VP, Chief Accounting Officer | Buy | 544 | $0 |
| 2026-05-15 | D'Antilio Derek | EVP, CFO & Treasurer | Buy | 30,438 | $0 |
| 2026-05-15 | Briansky Sharon | SVP, GC and Secretary | Buy | 2,611 | $0 |
| 2026-05-15 | Doogue Michael | President and CEO | Buy | 83,700 | $0 |
Source: SEC Form 4 filings · as of 2026-06-18