CIK 0000866291 · Large accelerated filer
ALLEGRO MICROSYSTEMS, INC.
Sign in to watch- Ticker
- 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 |
|---|---|---|---|---|---|---|
| 2026-05-16 | Doogue Michael President and CEO | Shares withheld for taxes | −60,508 | $43.10 | $2.6M | 279,076 |
| 2026-05-16 | Briansky Sharon SVP, GC and Secretary | Shares withheld for taxes | −13,942 | $43.10 | $601K | 79,753 |
| 2026-05-16 | Coleman Troy SVP, General Manager, Products | Shares withheld for taxes | −9,670 | $43.10 | $417K | 81,976 |
| 2026-05-14 | Lynch Susan D Director | Sale | −16,711 | $45.46 | $760K | 12,805 |
| 2026-05-13 | Willett Robert Director | Grant or award | +1,094 | 1,094 | ||
| 2026-05-13 | Kent Ian SVP, Global Operations | Grant or award | +8,492 | 30,379 | ||
| 2026-05-13 | D'Antilio Derek EVP, CFO & Treasurer | Grant or award | +29,439 | 246,215 | ||
| 2026-05-13 | D'Antilio Derek EVP, CFO & Treasurer | Grant or award | +30,438 | 276,653 | ||
| 2026-05-13 | Madormo Richard SVP, Worldwide Sales | Grant or award | +19,815 | 80,126 | ||
| 2026-05-13 | Briansky Sharon SVP, GC and Secretary | Grant or award | +15,852 | 91,084 | ||
| 2026-05-13 | Briansky Sharon SVP, GC and Secretary | Grant or award | +2,611 | 93,695 | ||
| 2026-05-13 | Coleman Troy SVP, General Manager, Products | Grant or award | +18,116 | 91,646 | ||
| 2026-05-13 | Doogue Michael President and CEO | Grant or award | +77,135 | 255,884 | ||
| 2026-05-13 | Doogue Michael President and CEO | Grant or award | +83,700 | 339,584 | ||
| 2026-05-13 | Hagen Erin SVP, CHRO | Grant or award | +9,058 | 39,152 | ||
| 2026-05-13 | Webster Roald Graham VP, Chief Accounting Officer | Grant or award | +4,756 | 22,056 | ||
| 2026-05-13 | Webster Roald Graham VP, Chief Accounting Officer | Grant or award | +544 | 22,600 | ||
| 2026-05-11 | Briansky Sharon SVP, GC and Secretary | Sale | −8,948 | $47.54 | $425K | 75,232 |
| 2026-05-11 | Doogue Michael President and CEO | Sale | −30,089 | $47.23 | $1.4M | 252,797 |
| 2026-03-24 | Madormo Richard SVP, Worldwide Sales | Returned to the company | −6,498 | $32.58 | $212K | 60,311 |
Page 2 of 13 · 252 trades