ON Semiconductor Corp. filings document onsemi's operating results, capital structure, governance and material events as a public semiconductor company. Recent 8-K reports furnish quarterly and annual earnings releases and disclose capital-structure matters, including convertible senior note and related security-structure disclosures.
The company's proxy materials cover shareholder voting matters, board governance, executive compensation and equity-award disclosures. Other current reports address officer and board transition matters, financial exhibits, Inline XBRL cover-page data and formal disclosure categories tied to onsemi's power and sensing business.
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.
ON Semiconductor executive Simon Keeton reported open-market sales of 48,860 common shares. The transactions occurred on February 17, 2026 in two trades: 4,597 shares at $71.5551 and 44,263 shares at $71.7701 per share.
After these sales, Keeton directly owned 198,995 common shares. The filing classifies both trades as open-market or private sales and lists his role as Group President, PSG.
onsemi insider Simon Keeton has filed a notice of proposed share sales under Rule 144. The filing covers 48,860 shares of common stock with an aggregate market value of $3,505,698.73, to be sold through Morgan Stanley Smith Barney LLC on NASDAQ, with an approximate sale date of February 17, 2026.
The securities to be sold were acquired through restricted stock, performance share awards, and an employee stock purchase plan. The filing also notes that Keeton sold 21,000 common shares in the past three months for gross proceeds of $1,170,057.00. Shares of the issuer outstanding were 394,020,530.