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.
ON Semiconductor Corp Schedule 13G: Vanguard Capital Management reports beneficial ownership of 29,575,202 shares of Common Stock, representing 7.50% of the class. The filing shows sole dispositive power over 29,575,202 shares and sole voting power for 3,942,003 shares. The filing identifies affiliated Vanguard investment entities and states the holdings include securities held for Vanguard funds and managed accounts.
ON Semiconductor Corp is reported as having 20,112,107 shares beneficially owned by Vanguard Portfolio Management, representing 5.10% of the outstanding common stock as of 03/31/2026. The filing states Vanguard has sole dispositive power over all 20,112,107 shares and sole voting power over 49,547 shares. The Schedule 13G discloses ownership on behalf of Vanguard funds and managed accounts; signature is dated 04/29/2026.
ON Semiconductor’s Exec VP & CFO Thad Trent reported open‑market sales of company common stock. He sold 30,000 shares at $93.00 per share on April 23, 2026 and another 30,000 shares at $100.00 per share on April 24, 2026, for a total of 60,000 shares.
After these transactions, Trent directly owns 271,194 shares of ON Semiconductor common stock. The filing does not list any option exercises or derivative positions, indicating these were straightforward stock sales rather than part of an option exercise sequence.
Thad Trent reported multiple Rule 144 sales of Common Stock under pre-arranged 10b5-1 plans. The filing lists sales of 30,000 shares on 04/23/2026 for $2,790,000, 30,000 shares on 04/16/2026 for $2,400,000, and 60,000 shares on 02/12/2026 for $4,272,975. Securities originate from RSUs and PSUs with a grant date of 02/15/2022.
Morgan Stanley Smith Barney LLC submitted a Form 144 notice relating to proposed sales of Common shares tied to previously issued Restricted Stock Units and Performance Stock Units. The filing lists a 30,000-share 10b5-1 sale on 04/16/2026 for $2,400,000.00 and a 60,000-share 10b5-1 sale on 02/12/2026 for $4,272,975.00.
ON Semiconductor Corp Executive VP & CFO Thad Trent executed an open-market sale of 30,000 shares of Common Stock on April 16, 2026 at $80.00 per share.
After this transaction, he directly holds 331,194 shares of ON Semiconductor Common Stock, which includes an additional 115 shares acquired through the company’s Employee Stock Purchase Plan since his last Section 16 filing.
Thad Trent filed a Form 144 proposing the sale of 30,000 shares of common stock in connection with a brokered transaction. The filing cites Restricted Stock Units and Performance Stock Units dated 02/15/2022 totaling 30,000 shares. The record also shows a 10b5-1 sale of 60,000 shares on 02/12/2026 for $4,272,975.
MASCARENAS PAUL ANTHONY reported acquisition or exercise transactions in this Form 4 filing.
ON Semiconductor Corp director Paul Anthony Mascarenas received a grant of 168 shares of common stock valued at $62.19 per share. These fully-vested shares were issued in lieu of a portion of his quarterly cash retainers for the first quarter of 2026, based on his prior election. Following this compensation-related award, he directly holds 55,488 common shares.
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.