| $255M | ||
| $98M | ||
| $48M | ||
| $38M | ||
| $37M | ||
| $34M |
Buys | $0 | 0 | 0 |
Sells | $5,218,641 | 13 | 100 |
| Raubacher Jennie | director | 0 | $0 | 1 | $45,320 | $-45,320 |
| Kent Ian | SVP, Global Operations | 0 | $0 | 1 | $109,802 | $-109,802 |
| Hagen Erin | SVP, CHRO | 0 | $0 | 2 | $192,361 | $-192,361 |
| Coleman Troy | SVP, General Manager, Products | 0 | $0 | 1 | $205,740 | $-205,740 |
| Webster Roald Graham | VP, Chief Accounting Officer | 0 | $0 | 1 | $234,165 | $-234,165 |
| Madormo Richard | SVP, Worldwide Sales | 0 | $0 | 1 | $263,600 | $-263,600 |
| Lynch Susan D | director | 0 | $0 | 1 | $759,625 | $-759,625 |
| Doogue Michael | President and CEO | 0 | $0 | 1 | $1.42M | $-1.42M |
| Briansky Sharon | SVP, GC and Secretary | 0 | $0 | 4 | $1.99M | $-1.99M |
Allegro MicroSystems, Inc. focuses on the creation, production, and worldwide distribution of sophisticated integrated circuits (ICs). Their primary offerings consist of sensor ICs and custom-designed analog power ICs, developed mainly for motion control and energy-saving applications. The company's product line includes magnetic sensor ICs, which are crucial for measuring position, speed, and current. They also supply various power management ICs, such as motor drivers, voltage regulators, and LED drivers. Furthermore, Allegro provides photonic and 3D sensing components, encompassing photodiodes, eye-safe laser solutions, and readout ICs essential for LiDAR systems. Allegro primarily sells its components to original equipment manufacturers (OEMs) and suppliers, with a strong emphasis on the automotive and industrial industries. Their distribution network is multifaceted, utilizing a direct sales team, independent sales representatives, third-party distributors, and consignment models. With operations spanning across the globe, the company has a presence in the United States, the broader Americas, Europe, Japan, Greater China, South Korea, and various other markets in Asia. Allegro MicroSystems was established in 1990, maintains its headquarters in Manchester, New Hampshire, and operates as a subsidiary of Sanken Electric Co., Ltd.
Over the last 12 months, insiders at Allegro MicroSystems, Inc. have bought $0 and sold $5.22M worth of Allegro MicroSystems, Inc. stock.
On average, over the past 5 years, insiders at Allegro MicroSystems, Inc. have bought $225,075 and sold $279.73M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 15,000 shares for transaction amount of $285,000 was made by Doogue Michael (SVP, CTO) on 2024‑11‑18.
| 2026-08-17 | Sale | Raubacher Jennie | director | 1,000 0.0006% | $45.32 | $45,320 | -17.42% | |
| 2026-08-10 | Sale | Hagen Erin | SVP, CHRO | 2,285 0.0013% | $44.39 | $101,431 | -12.48% | |
| 2026-06-03 | Sale | Madormo Richard | SVP, Worldwide Sales | 5,000 0.0027% | $52.72 | $263,600 | -12.71% | |
| 2026-05-22 | Sale | Coleman Troy | SVP, General Manager, Products | 4,500 0.0024% | $45.72 | $205,740 | +1.66% | |
| 2026-05-21 | Sale | Webster Roald Graham | VP, Chief Accounting Officer | 5,217 0.0028% | $44.88 | $234,165 | +4.32% | |
| 2026-05-18 | Sale | Kent Ian | SVP, Global Operations | 2,642 0.0014% | $41.56 | $109,802 | +12.30% | |
| 2026-05-14 | Sale | Lynch Susan D | director | 16,711 0.0091% | $45.46 | $759,625 | +3.12% | |
| 2026-05-11 | Sale | Doogue Michael | President and CEO | 30,089 0.0159% | $47.23 | $1.42M | -4.88% | |
| 2026-05-11 | Sale | Briansky Sharon | SVP, GC and Secretary | 8,948 0.0047% | $47.54 | $425,380 | -4.88% | |
| 2026-03-02 | Sale | Briansky Sharon | SVP, GC and Secretary | 9,727 0.005% | $35.00 | $340,445 | +18.30% | |
| 2026-03-02 | Sale | Hagen Erin | SVP, CHRO | 2,598 0.0013% | $35.00 | $90,930 | +18.30% | |
| 2026-02-17 | Sale | Briansky Sharon | SVP, GC and Secretary | 9,258 0.005% | $41.56 | $384,762 | +1.85% | |
| 2025-12-10 | Sale | Briansky Sharon | SVP, GC and Secretary | 27,873 0.0156% | $30.00 | $836,190 | +33.19% | |
| 2025-08-22 | Sale | Webster Roald Graham | VP, Chief Accounting Officer | 8,266 0.0046% | $32.81 | $271,193 | +3.41% | |
| 2025-08-12 | Sale | Lury Richard R. | director | 7,000 0.004% | $31.81 | $222,673 | +2.51% | |
| 2025-08-04 | Sale | Hagen Erin | SVP, CHRO | 5,043 0.0027% | $31.18 | $157,241 | +2.48% | |
| 2025-06-11 | Sale | Lury Richard R. | director | 3,100 0.0017% | $30.45 | $94,395 | +5.66% | |
| 2025-06-04 | Sale | Lury Richard R. | director | 6,849 0.0037% | $27.60 | $189,036 | +12.35% | |
| 2024-11-18 | Doogue Michael | SVP, CTO | 15,000 0.0081% | $19.00 | $285,000 | +39.53% | ||
| 2024-11-05 | Nargolwala Vineet A | President and CEO | 5,000 0.0027% | $19.89 | $99,446 | +29.75% |
| Doogue Michael | President and CEO | 252797 0.1357% | $9.06M | 1 | 21 | +39.53% |
| Coleman Troy | SVP, General Manager, Products | 77476 0.0416% | $2.78M | 0 | 1 | |
| Briansky Sharon | SVP, GC and Secretary | 75232 0.0404% | $2.7M | 0 | 4 | |
| Madormo Richard | SVP, Worldwide Sales | 69687 0.0374% | $2.5M | 0 | 1 | |
| Hagen Erin | SVP, CHRO | 31052 0.0167% | $1.11M | 0 | 3 | |
| Kent Ian | SVP, Global Operations | 25392 0.0136% | $910,049.28 | 0 | 1 | |
| Raubacher Jennie | director | 13976 0.0075% | $500,899.84 | 0 | 1 | |
| Webster Roald Graham | VP, Chief Accounting Officer | 13106 0.007% | $469,719.04 | 0 | 2 | |
| Lynch Susan D | director | 12805 0.0069% | $458,931.20 | 2 | 1 | <0.0001% |
| Sanken Electric Co., Ltd. | 10 percent owner | 59732782 32.0611% | $2.14B | 0 | 4 | |
| OEP SKNA, L.P. | 10 percent owner | 17649247 9.4731% | $632.55M | 0 | 5 | |
| Vig Ravi | President and CEO | 1515302 0.8133% | $54.31M | 0 | 17 | |
| Walsh Paul V Jr | SVP, CFO & Treasurer | 684851 0.3676% | $24.55M | 0 | 13 | |
| Nargolwala Vineet A | President and CEO | 356113 0.1911% | $12.76M | 3 | 0 | +1.1% |
| Glover Max R. | SVP of Worldwide Sales | 244625 0.1313% | $8.77M | 0 | 8 | |
| Kazerounian Reza | director | 201299 0.108% | $7.21M | 0 | 1 | |
| Brown Christopher | SVP and General Counsel | 144988 0.0778% | $5.2M | 0 | 4 | |
| D'Antilio Derek | SVP, CFO & Treasurer | 142899 0.0767% | $5.12M | 1 | 0 | <0.0001% |
| Valente Joanne | SVP, CHRO | 95776 0.0514% | $3.43M | 0 | 4 | |
| MARTIN JOSEPH R | director | 22374 0.012% | $801,884.16 | 0 | 6 | |
| Lury Richard R. | director | 18857 0.0101% | $675,834.88 | 0 | 9 | |
| Fujita Noriharu | director | 10036 0.0054% | $359,690.24 | 0 | 1 | |
| Teebagy Thomas C. Jr. | SVP of Operations and Quality | 0 0% | $0 | 0 | 11 |
$900,351,833 | 62 | 37.88% | $12.76B | |
$14,028 | 32 | 7.81% | $2.77B | |
$17,875,978 | 28 | 19.26% | $5.59B | |
$8,624,272 | 27 | 51.83% | $8.66B | |
$8,266,881 | 25 | 162.69% | $4.14B | |
$7,836,019 | 21 | -2.80% | $6.49B | |
$1,382,320 | 16 | 9.88% | $4.48B | |
$442,031 | 9 | -19.64% | $9.51B | |
$312,286 | 9 | 17.42% | $8.9B | |
Allegro MicroSystems, Inc. (ALGM) | $675,224 | 7 | 2.80% | $6.68B |
$1,886,920 | 5 | 38.84% | $11.52B | |
$10,040,962 | 5 | 9.20% | $7.25B | |
$889,199 | 4 | 56.96% | $15.57B | |
$225,139,776 | 4 | -24.48% | $3.03B | |
$1,252,620 | 3 | 21.17% | $9.28B | |
$529,752 | 2 | 11.06% | $15.27B | |
$10,400 | 1 | 155.21% | $2.31B | |
$38 | 1 | -48.32% | $1.05B | |
$248,940 | 1 | -2.82% | $3.67B |
| Increased Positions | 144 | +37.21% | 19M | +13.6% |
| Decreased Positions | 175 | -45.22% | 17M | -12.4% |
| New Positions | 63 | New | 7M | New |
| Sold Out Positions | 54 | Sold Out | 3M | Sold Out |
| Total Postitions | 356 | -8.01% | 139M | +1.21% |
| Fmr Llc | $739,160.00 | 14.85% | 27.47M | +220,370 | +0.81% | 2025-09-30 |
| Capital Research Global Investors | $452,753.00 | 9.09% | 16.82M | +920,365 | +5.79% | 2025-09-30 |
| Vanguard Group Inc | $384,637.00 | 7.73% | 14.29M | +87,526 | +0.62% | 2025-09-30 |
| Blackrock, Inc. | $306,166.00 | 6.15% | 11.38M | -412,450 | -3.5% | 2025-09-30 |
| Jpmorgan Chase & Co | $208,048.00 | 4.18% | 7.73M | -282,231 | -3.52% | 2025-09-30 |
| Invesco Ltd. | $142,957.00 | 2.87% | 5.31M | -942,148 | -15.06% | 2025-09-30 |
| State Street Corp | $142,119.00 | 2.86% | 5.28M | +88,284 | +1.7% | 2025-09-30 |
| Clearbridge Investments, Llc | $78,922.00 | 1.59% | 2.93M | -230,958 | -7.3% | 2025-09-30 |
| Alliancebernstein L.P. | $72,401.00 | 1.45% | 2.69M | -69,376 | -2.51% | 2025-09-30 |
| Geode Capital Management, Llc | $63,753.00 | 1.28% | 2.37M | -36,857 | -1.53% | 2025-09-30 |