Welcome to our dedicated page for Allegro Microsystems SEC filings (Ticker: ALGM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Allegro MicroSystems filings document financial results, material financing agreements, governance votes and proxy disclosures for a semiconductor company focused on power and sensing solutions. Recent Form 8-K reports furnish quarterly and fiscal-year operating results and disclose amendments to the company’s credit agreement, including term-loan refinancing and related debt obligations.
Proxy and annual-meeting filings cover board elections, auditor ratification, advisory executive-compensation votes and compensation disclosures. The filing record also documents capital-structure matters, shareholder voting outcomes and formal exhibits for material agreements that support the company’s public reporting framework.
Allegro MicroSystems, Inc. VP and Chief Accounting Officer Roald Graham reported stock-based compensation awards rather than open-market trades. He acquired 544 shares of common stock through a new grant of restricted stock units (RSUs) and 4,756 shares tied to performance-vesting restricted stock units (PSUs) whose performance goals were certified as achieved. The RSUs vest in three equal annual installments beginning on May 16, 2027, while the certified PSUs are scheduled to vest in full on May 16, 2026. After these awards, his direct common stock holdings are a little over 22,000 shares.
ALLEGRO MICROSYSTEMS, INC. director Robert Willett has filed an initial Form 3, which is a statement of beneficial ownership for company insiders. This filing lists him as a director but does not report any stock transactions or existing holdings, serving as a baseline ownership disclosure.
The filing is a Form 144 notice regarding ALGM securities held at Fidelity Brokerage Services LLC. The form lists 16,711 shares tied to restricted stock vesting and prior open-market purchases and gives a broker reference and an aggregate numeric value in the record. The filing enumerates vesting dates and specific share lots the holder intends to sell.
Allegro MicroSystems, Inc. senior vice president, general counsel and secretary Sharon Briansky sold 8,948 shares of common stock in an open-market transaction on May 11, 2026. The shares were sold at a weighted average price of $47.5391 per share, with individual sale prices ranging from $47.500 to $47.675. After this transaction, Briansky directly holds 75,232 shares of Allegro MicroSystems common stock.
ALLEGRO MICROSYSTEMS, INC. President and CEO Michael Doogue reported an indirect open-market sale of 30,089 shares of common stock on May 11, 2026 through the Michael C. Doogue Revocable Trust of 2015 at a weighted average price of $47.2349 per share.
Following the transactions, he holds 178,749 shares directly and 252,797 shares indirectly through the trust. A footnote explains that 36,800 shares were previously moved from direct to indirect ownership via the trust, reflecting a change in form of ownership rather than an additional market sale.
Allegro MicroSystems, Inc. announced upcoming board changes and the appointment of a new independent director. Susan D. Lynch and Richard R. Lury decided not to stand for reelection as Class III directors at the August 5, 2026 Annual Meeting, and their board service will end immediately before that meeting. The company stated their decisions were not due to any disagreement with Allegro or its management.
Effective May 13, 2026, the Board expanded to ten members and elected Robert J. Willett as a Class III director through the 2026 Annual Meeting. He will serve on the Audit and Compensation Committees, and the Board has determined he is an independent director, meets enhanced Nasdaq independence standards for audit and compensation committees, and qualifies as an “audit committee financial expert.” Willett will receive the standard non-employee director compensation and has an indemnification agreement consistent with Delaware law.
ALGM affiliate filed a Form 144 proposing the sale of 30,089 shares of Common Stock. The notice lists securities tied to Restricted Stock Vesting with vesting dates 11/18/2021, 05/16/2023, and 06/03/2023 and per‑grant amounts of 3,582, 19,857, and 6,650 shares respectively.
The filing identifies Fidelity Brokerage Services LLC and a NASDAQ listing; proceeds treatment and sale timing are not specified in the provided excerpt.
Sharon Briansky filed a Form 144 reporting a proposed sale of 8,948 shares of common stock. The filing lists recent dispositions of 02/17/2026 (9,258 shares for $384,762.48) and 03/02/2026 (9,727 shares for $340,445.00). The notice is dated 05/11/2026 and cites the shares as restricted stock vested on 02/13/2023.
Allegro MicroSystems reported strong growth for its fourth quarter and fiscal 2026. Q4 net sales rose 26% year-over-year to $243.2 million, and fiscal year sales increased 23% to $890.1 million, driven by automotive and industrial demand.
Q4 non-GAAP diluted EPS was $0.17, nearly triple the prior year’s $0.06, while full-year non-GAAP EPS more than doubled to $0.54. GAAP results remained a net loss of $14.9 million for the year, but GAAP gross margin improved to 46.3%, with non-GAAP gross margin at 49.4%.
Automotive sales reached $628.6 million for fiscal 2026, up 17%, and Industrial and Other rose 38% to $261.5 million. For the first quarter of fiscal 2027, Allegro guides net sales of $245–$255 million, implying about 23% year-over-year growth at the midpoint, with expected non-GAAP EPS between $0.19 and $0.23 and non-GAAP gross margin of 50–51%.
FMR LLC filed an Amendment No. 6 to a Schedule 13G/A reporting beneficial ownership of 27,421,205.61 shares of Allegro Microsystems Inc. common stock, equal to 14.8% of the class as of 03/31/2026. The filing states FMR has sole dispositive power for 27,421,205.61 shares and sole voting power for 27,384,847.96 shares. The filing also discloses that the Select Semiconductors Portfolio held 16,576,021 shares (8.9%) as of 03/31/2026. Signatures indicate authorization under a power of attorney.