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.
Doogue Michael reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. President and CEO Michael Doogue reported equity awards of common stock on May 13, 2026. He received 83,700 shares through a grant of Restricted Stock Units, each representing a contingent right to one share at no cash cost, vesting in three equal annual installments beginning on May 16, 2027. He also received 77,135 shares tied to performance-vesting restricted stock units granted in 2023 and 2025, after the Compensation Committee certified that performance goals for the period ending March 27, 2026 had been met, with these shares scheduled to vest on May 16, 2026 subject to time-based conditions. In addition, 252,797 shares are reported as indirectly held through the Michael C. Doogue Revocable Trust of 2015.
Hagen Erin reported acquisition or exercise transactions in this Form 4 filing.
ALLEGRO MICROSYSTEMS, INC. reported that SVP and Chief Human Resources Officer Erin Hagen received an equity award in the form of restricted stock units. On May 13, 2026, she was granted 9,058 RSUs, each representing a contingent right to receive one share of common stock.
The RSUs will vest in three equal annual installments beginning on May 16, 2027, spreading the award over three years and linking it to continued service. Following this grant, Hagen holds a total of 39,152 shares of common stock directly, showing her ongoing equity stake in the company.
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. 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. 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.
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.