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. director Brian C. White reported receiving an equity award in the form of restricted stock units. He acquired 594 shares of common stock-equivalent RSUs on June 17, 2026 at a stated price of $0.00 per share.
Each RSU represents a contingent right to receive one share of Allegro common stock. According to the disclosure, these RSUs will vest on the date of the next annual meeting following the grant date, after which the underlying shares can be delivered, subject to applicable terms.
ALLEGRO MICROSYSTEMS, INC. filed an initial insider ownership report for director Brian C. White. This Form 3 establishes his status as a reporting person for the company’s equity securities. The filing shows no stock purchases, sales, option exercises, or other transactions.
Allegro MicroSystems, Inc. has appointed Brian C. White to its Board of Directors as a Class III independent director, effective June 17, 2026. The Board temporarily expanded from 10 to 11 directors to accommodate his election, then is expected to decrease to nine directors immediately after the 2026 annual meeting as two current directors do not stand for reelection.
Mr. White joins the Audit Committee and the Compensation Committee. The Board determined he is independent under Nasdaq rules, meets enhanced independence standards for audit and compensation committee members, and qualifies as an “audit committee financial expert” under SEC regulations. He will receive standard non-employee director compensation and has an indemnification agreement consistent with other directors.
Allegro MicroSystems SVP Richard Madormo sold 5,000 shares of Common Stock in an open-market transaction at $52.72 per share. After this sale, he directly holds 69,687 Allegro MicroSystems shares, indicating a partial reduction of his position while retaining a substantial remaining stake.
Allegro MicroSystems, Inc. senior vice president Troy Coleman reported an open-market sale of 4,500 shares of Common Stock at $45.72 per share. After this transaction, he directly owned 77,476 shares, indicating he retained the majority of his personal stake.
ALLEGRO MICROSYSTEMS, INC. executive Roald Graham Webster, the VP and Chief Accounting Officer, reported an open-market sale of company stock. He sold 5,217 shares of common stock at a price of $44.885 per share and now directly holds 13,106 shares following this transaction.
Allegro MicroSystems, Inc. provides a detailed overview of its 2026 business, markets and risks as a fabless designer of sensor and power ICs focused on automotive and industrial applications such as xEV powertrains, ADAS, AI data centers and robotics. As of September 26, 2025, the aggregate market value of common equity held by non‑affiliates was $3,703,521,114, and as of May 18, 2026, there were 186,222,406 common shares outstanding. The company highlights technology platforms like its 120V BCD process and XtremeSense TMR sensors, a global mixed internal/external manufacturing model, and an R&D‑led strategy supported by approximately 760 engineers. It also outlines key risk factors, including semiconductor cyclicality, supply chain concentration, export restrictions on critical materials, and intense competition.
ALLEGRO MICROSYSTEMS, INC. executive Erin Hagen, the company’s SVP and chief human resources officer, had 5,815 shares of Common Stock withheld on May 16, 2026 to cover taxes due on previously granted restricted stock units that vested. After this tax-withholding disposition, Hagen directly owns 33,337 shares of Allegro common stock, indicating this was a routine compensation-related event rather than an open‑market trade.