Allegro MicroSystems Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Allegro MicroSystems Inc.
- Ownership
- Public
- Status
- Active
- SIC code
- 3674 — Semiconductors & Related Devices
- Headquarters city
- Manchester
- Headquarters state / province
- New Hampshire
- Headquarters country
- United States
- Fiscal year end
- March
- Ticker symbol
- ALGM
- Primary stock exchange
- Nasdaq
Identifiers
- SEC CIK
- 0000866291
- EIN
- 46-2405937
Board of directors
-
Brian C. White · DirectorSince 2026
-
David J. Aldrich · DirectorSince 2023
-
Jennie Raubacher · DirectorSince 2024
-
Joseph R. Martin · DirectorSince 2023
-
Krishna G. Palepu · DirectorSince 2025
- Since 2023
-
Michael Doogue · Director · President and CEOSince 2025
-
Paul Schorr IV · DirectorSince 2024
-
Reza Kazerounian · DirectorSince 2023
-
Richard R. Lury · DirectorSince 2023
-
Robert Willett · DirectorSince 2026
- Since 2023
-
Vineet A. Nargolwala · Director · President and CEOSince 2023
-
Yoshihiro Suzuki · DirectorSince 2023
Chief executives
Vineet A. Nargolwala
· President and CEO
Dates unknown
Michael Doogue
· President and CEO
Dates unknown
Director election results
Annual meeting of August 7, 2025. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
99.9%
Board connections
8 of this board's directors also sit on 17 other boards.
- via Joseph R. Martin and Krishna G. Palepu
- via Susan D. Lynch
- via Mary G. Puma
- via David J. Aldrich
- via Vineet A. Nargolwala
- via Mary G. Puma
- via Robert Willett
- via Robert Willett
- via Susan D. Lynch
- via Susan D. Lynch
- via Mary G. Puma
- via Brian C. White
- via David J. Aldrich
- via Mary G. Puma
- via Susan D. Lynch
- via Mary G. Puma
- via David J. Aldrich
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $0
- 0 purchases by 0 insiders
- Sold, last 12 months
- $5,218,585
- 13 sales by 9 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 17, 2026 | Jennie Raubacher Director | Open-market sale | −1,000 | $45.32 | $45,320 |
| Aug 10, 2026 | Hagen Erin Officer (SVP, CHRO) | Open-market sale | −2,285 | $44.39 | $101,431 |
| Aug 5, 2026 | Krishna G. Palepu Director | Grant or award | +4,251 | — | — |
| Aug 5, 2026 | Mary G. Puma Director | Grant or award | +4,251 | — | — |
| Aug 5, 2026 | Joseph R. Martin Director | Grant or award | +4,251 | — | — |
| Aug 5, 2026 | Yoshihiro Suzuki Director | Grant or award | +4,251 | — | — |
| Jun 17, 2026 | Brian C. White Director | Grant or award | +594 | — | — |
| Jun 3, 2026 | Madormo Richard Officer (SVP, Worldwide Sales) | Open-market sale | −5,000 | $52.72 | $263,600 |
| May 22, 2026 | Coleman Troy Officer (SVP, General Manager, Products) | Open-market sale | −4,500 | $45.72 | $205,740 |
| May 21, 2026 | Webster Roald Graham Officer (VP, Chief Accounting Officer) | Open-market sale | −5,217 | $44.89 | $234,191 |
| May 18, 2026 | Kent Ian Officer (SVP, Global Operations) | Open-market sale | −2,642 | $41.56 | $109,802 |
| May 16, 2026 | Kent Ian Officer (SVP, Global Operations) | Shares withheld for tax | −2,345 | $43.10 | $101,070 |
| May 16, 2026 | Hagen Erin Officer (SVP, CHRO) | Shares withheld for tax | −5,815 | $43.10 | $250,627 |
| May 16, 2026 | D'Antilio Derek Officer (EVP, CFO & Treasurer) | Shares withheld for tax | −37,840 | $43.10 | $1,630,904 |
| May 16, 2026 | Madormo Richard Officer (SVP, Worldwide Sales) | Shares withheld for tax | −5,439 | $43.10 | $234,421 |
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