CIK 0000866291 · Large accelerated filer
ALLEGRO MICROSYSTEMS, INC.
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- ALGM
- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- FY end
- Mar 31
- Entity type
- operating
- EIN
- 462405937
- Phone
- (603) 626-2300
- Business address
- 955 PERIMETER ROAD, MANCHESTER, NH, 03103
- Former names
- ALLEGRO MICROSYSTEMS, INC., ALLEGRO MICROSYSTEMS INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $45,320
- in 1 filing
Net −$45,320. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 82 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-30 | Willett Robert Director | Grant or award · Deferred Stock Units | +618.98 | 4,869.98 | ||
| 2026-08-17 | Raubacher Jennie Director | Sale | −1,000 | $45.32 | $45K | 13,976 |
| 2026-08-10 | Hagen Erin SVP, CHRO | Sale | −2,285 | $44.39 | $101K | 31,052 |
| 2026-08-05 | Suzuki Yoshihiro Director | Grant or award | +4,251 | 217,811 | ||
| 2026-08-05 | MARTIN JOSEPH R Director | Grant or award | +4,251 | 39,430 | ||
| 2026-08-05 | PUMA MARY G Director | Grant or award | +4,251 | 21,734 | ||
| 2026-08-05 | Palepu Krishna G. Director | Grant or award | +4,251 | 14,212 | ||
| 2026-08-05 | Raubacher Jennie Director | Grant or award · Deferred Stock Units | +4,251 | 4,251 | ||
| 2026-08-05 | Willett Robert Director | Grant or award · Deferred Stock Units | +4,251 | 4,251 | ||
| 2026-08-05 | WHITE BRIAN C Director | Grant or award · Deferred Stock Units | +4,251 | 4,251 | ||
| 2026-06-17 | WHITE BRIAN C Director | Grant or award | +594 | 594 | ||
| 2026-06-03 | Madormo Richard SVP, Worldwide Sales | Sale | −5,000 | $52.72 | $264K | 69,687 |
| 2026-05-22 | Coleman Troy SVP, General Manager, Products | Sale | −4,500 | $45.72 | $206K | 77,476 |
| 2026-05-21 | Webster Roald Graham VP, Chief Accounting Officer | Sale | −5,217 | $44.89 | $234K | 13,106 |
| 2026-05-18 | Kent Ian SVP, Global Operations | Sale | −2,642 | $41.56 | $110K | 25,392 |
| 2026-05-16 | Kent Ian SVP, Global Operations | Shares withheld for taxes | −2,345 | $43.10 | $101K | 28,034 |
| 2026-05-16 | Hagen Erin SVP, CHRO | Shares withheld for taxes | −5,815 | $43.10 | $251K | 33,337 |
| 2026-05-16 | D'Antilio Derek EVP, CFO & Treasurer | Shares withheld for taxes | −37,840 | $43.10 | $1.6M | 238,813 |
| 2026-05-16 | Madormo Richard SVP, Worldwide Sales | Shares withheld for taxes | −5,439 | $43.10 | $234K | 74,687 |
| 2026-05-16 | Webster Roald Graham VP, Chief Accounting Officer | Shares withheld for taxes | −4,277 | $43.10 | $184K | 18,323 |
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