Welcome to our dedicated page for On Semiconductr SEC filings (Ticker: ON), 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.
The SEC filings page for onsemi (ON) provides direct access to the company’s regulatory disclosures as ON Semiconductor Corporation, a Nasdaq-listed semiconductor and related device manufacturer. These documents include current reports on Form 8-K, annual reports on Form 10-K, quarterly reports on Form 10-Q, and other materials that together describe the company’s financial condition, risk factors, capital allocation, and strategic initiatives in intelligent power and sensing technologies.
Recent 8-K filings illustrate how onsemi uses SEC reports to communicate material events. Examples include announcements of quarterly financial results, descriptions of restructuring and cost reduction initiatives with associated non-cash impairment and accelerated depreciation charges on manufacturing assets, and details of material definitive agreements such as the Master Framework Agreement related to Vcore power technologies from Aura Semiconductor. Filings also cover governance developments, including changes in Board leadership, and provide furnished earnings releases that outline segment revenue, margins, and cash flow.
For investors analyzing ON stock, these filings are central to understanding how onsemi is aligning its manufacturing footprint with anticipated long-term needs, expanding its power management portfolio for AI data centers, and managing capital through share repurchase programs. Forms 10-K and 10-Q discuss risk factors, the cyclical nature of the semiconductor industry, and other considerations that can affect results in automotive, industrial, AI data center, and advanced imaging markets.
On Stock Titan, SEC documents for onsemi are updated from EDGAR and paired with AI-powered summaries that highlight key points from lengthy filings such as 10-Ks and 10-Qs. Users can quickly see the main themes in each report, track material 8-K events, and review disclosures related to transactions, restructuring, and other significant corporate actions, without reading every page in detail.
ON Semiconductor Corporation (onsemi) is asking stockholders to vote at its 2026 annual meeting on four items: electing seven directors, an advisory say‑on‑pay vote, ratifying PricewaterhouseCoopers as auditor for 2026, and a stockholder proposal on simple majority voting.
The proxy highlights 2025 results, including $6.0 billion in revenue, with Power Solutions, Analog and Mixed-Signal, and Intelligent Sensing generating 47%, 38% and 15% of revenue. Aerospace, defense and security revenue grew 70% year over year. onsemi generated $1.8 billion of cash from operations and $1.4 billion of free cash flow, achieving a record 24% free cash flow margin and returning 100% of annual free cash flow to stockholders through share repurchases.
The company reports GAAP operating income of $84.2 million, non‑GAAP operating income of $1.1 billion, GAAP gross margin of 33.1% and non‑GAAP gross margin of 38.4%. GAAP diluted EPS was $0.29 and non‑GAAP diluted EPS was $2.35. The proxy also details governance practices, ESG initiatives, and a pay‑for‑performance executive compensation program, including performance‑based equity and clawback policies.
The Vanguard Group filed an amendment to its Schedule 13G reporting that it now beneficially owns 0 shares of ON Semiconductor Corp common stock, representing 0% of the class. The filing explains an internal realignment effective 01/12/2026 that disaggregated certain subsidiaries' holdings, and is signed on 03/27/2026.
ON Semiconductor Group President Sudhir Gopalswamy completed an open-market sale of 6,114 shares of common stock. The shares were sold at a price of $58.67 per share. After this transaction, he directly holds 173,943 shares, indicating he retained the vast majority of his position.
Rockefeller Capital Management filed a Form 144 reporting intended sales of Common stock. The filing lists multiple stock awards described as compensation with dated award lines: 455 (05/26/2024), 1,597 (03/07/2024), 1,612 (03/07/2024) and 2,450 (04/22/2024) shares. The form identifies NASDAQ and includes a filing date of 03/13/2026.
ON Semiconductor Corporation reported that Simon Keeton, Group President of its Power Solutions Group, will resign from all employment positions effective June 30, 2026. He will step down from all officer roles immediately but remain with the company until that date to support an orderly leadership transition.
Keeton joined onsemi in July 2007 and has served as Group President, Power Solutions Group since February 2024. The company plans to transition to a new head of the Power Solutions Group during this period.
ON Semiconductor CEO & President Hassane El-Khoury reported equity compensation and related tax withholding transactions. On February 20, 2026, he acquired 75,315 shares of common stock at $0.00 per share as a grant/award acquisition, representing time-based restricted stock units that vest in three equal annual installments beginning on the first anniversary of the grant date, subject to his continued employment through each vesting date. On February 21, 2026, 36,802 shares of common stock were disposed of at $69.11 per share as a tax-withholding disposition to cover taxes due upon the vesting of restricted stock units, rather than an open-market sale. Following these transactions, he held 1,054,123 shares of ON Semiconductor common stock directly.
ON Semiconductor Group President Sudhir Gopalswamy reported equity compensation activity involving company common shares. On February 20, 2026, he acquired 31,834 shares through a grant of time-based restricted stock units, which will vest in three equal annual installments, subject to continued employment.
To cover taxes upon vesting of restricted stock units, there were tax-withholding dispositions of 1,455 shares on February 20, 2026 and 9,583 shares on February 21, 2026 at a price of $69.11 per share. After these transactions, he held 180,057 common shares directly.
ON Semiconductor’s Executive VP & CFO Thad Trent reported equity compensation activity and related tax withholding in company stock. He acquired 36,175 shares of common stock as a grant of time-based restricted stock units that vest in three equal annual installments, subject to continued employment.
To cover taxes due upon RSU vesting, a total of 14,556 common shares (10,383 shares and 4,173 shares) were disposed of as stock withheld at a price of $69.11 per share, a tax-withholding disposition rather than an open-market sale.
ON Semiconductor Group President, PSG Simon Keeton reported equity compensation and related tax share withholdings. On February 20, 2026, he acquired 26,046 shares of common stock at $0.00 per share as a grant of time-based restricted stock units that vest in three equal annual installments, subject to continued employment.
On February 20, 2026 and February 21, 2026, a total of 10,918 shares were disposed of at $69.11 per share through tax-withholding dispositions to cover taxes due upon vesting of restricted stock units, rather than open-market sales. After these transactions, he directly owned 214,123 common shares.