onsemi Advances Fab Right Strategy with Agreements to Divest Two Manufacturing Facilities
Rhea-AI Summary
onsemi (Nasdaq: ON) signed definitive agreements to divest two manufacturing facilities in Tarlac, Philippines and Mountain Top, Pennsylvania as part of its Fab Right strategy to optimize its global manufacturing footprint.
The Tarlac site is being sold to Greatek Electronics, with closing expected in three to six months, and includes a long-term supply agreement to support ongoing production. The Mountain Top facility is being sold to Silex Microsystems, with closing targeted for January 2028 and an extended transition to move production to other onsemi sites.
These actions are expected to deliver approximately $35 million in annual cost savings, with initial savings beginning in 2027 and full run-rate savings in 2028, supporting sustained gross margin expansion and a more efficient manufacturing network.
Positive
- Divestiture of two fabs advances Fab Right manufacturing optimization strategy
- Approximately $35 million in annual cost savings expected at full run-rate
- Initial cost savings anticipated starting in 2027, full savings in 2028
- Long-term supply agreement with Greatek supports continuity of customer commitments
Negative
- Full annual cost savings of $35 million not expected until 2028
- Both divestiture deals remain subject to closing conditions and regulatory approvals
- Mountain Top facility transition extends until planned closing in January 2028
News Market Reaction – ON
In the Jul 7 session, ON declined 3.79%, reflecting a moderate negative market reaction. Argus tracked a peak move of +4.3% during that session. Argus tracked a trough of -4.0% from its starting point during tracking. Our momentum scanner triggered 12 alerts that day, indicating notable trading interest and price volatility.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Historical Context
| Date | Event | Sentiment | 24h Move | Catalyst |
|---|---|---|---|---|
| Jun 25 | M&A announcement | Positive | -23.7% | All-stock Synaptics acquisition with premium, synergy targets and TAM expansion goals. |
| Jun 09 | Product launch | Positive | -6.5% | Launch of GaNEXUS gallium nitride power portfolio targeting AI and industrial markets. |
| Jun 08 | Tool launch | Positive | +4.3% | Debut of Elite Pairing Studio to simplify SiC power design for key applications. |
| May 07 | Debt financing | Negative | -4.9% | Pricing of $1.3B 0% convertible senior notes due 2031 with share repurchase plans. |
| May 06 | Financing plan | Negative | +3.0% | Announcement of proposed $1.3B convertible notes offering and related share repurchases. |
24h Move is the share-price change in the day after each event; other market factors may also have contributed.
Recent strategic and financing announcements have produced mixed reactions, with several seemingly positive updates followed by share price declines.
Key Terms
gross margin financial
regulatory approvals regulatory
AI-generated analysis. How Rhea-AI works. Not financial advice.
SCOTTSDALE, Ariz., July 07, 2026 (GLOBE NEWSWIRE) -- onsemi (Nasdaq: ON) today announced it has entered into definitive agreements to divest two manufacturing facilities. These planned divestitures are part of onsemi’s ongoing initiative to improve companywide manufacturing cost structure to drive sustained gross margin expansion as part of its Fab Right strategy.
onsemi’s Fab Right manufacturing strategy focuses on continuous optimization of manufacturing footprint and directs resources to the most competitive, scalable and technology-aligned operations across its global manufacturing footprint. This approach is designed to improve the company’s long-term cost structure and strengthen overall competitiveness by enabling a highly efficient manufacturing network.
Tarlac, Philippines
onsemi has entered into an agreement with Greatek Electronics Inc., a Taiwan-based semiconductor company specializing in integrated circuit packaging and testing services. The transaction is expected to close within the next three to six months, subject to customary closing conditions and regulatory approvals.
The Tarlac site will continue operating as part of onsemi’s manufacturing network throughout the transition period. The companies have established a long-term supply agreement to support ongoing production and ensure continuity for customer commitments following the close of the transaction.
Mountain Top, Pennsylvania
onsemi has also entered into an agreement with Silex Microsystems, a Sweden-based semiconductor company. The transaction is expected to close in January 2028, subject to customary closing conditions and regulatory approvals.
The extended transition period is intended to allow onsemi to continue an orderly transfer of the products currently manufactured at the site to other facilities within its network, ensuring continuity for customers and a structured migration of technologies.
These actions are expected to result in cost savings of approximately
About onsemi
onsemi (Nasdaq: ON) delivers intelligent power and sensing technologies that enable electrification, energy efficiency, safety, and automation across automotive, industrial, and AI data center end-markets. With a highly differentiated and innovative product portfolio, onsemi helps customers solve complex challenges to achieve higher efficiency, improved performance, and lower system cost, while supporting a safer, cleaner, and more energy‑efficient world. The company is part of the S&P 500® index. Learn more at www.onsemi.com.
onsemi and the onsemi logo are trademarks of Semiconductor Components Industries, LLC. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders.
Caution Regarding Forward-Looking Statements:
This press release includes “forward-looking statements,” as that term is defined in Section 27A of the U.S. Securities Act of 1933, as amended, and Section 21E of the U.S. Securities Exchange Act of 1934, as amended. All statements, other than statements of historical facts, included or incorporated in this press release could be deemed forward-looking statements, particularly statements about the proposed divestitures, their impact on onsemi’s manufacturing cost structure and, more broadly, the impact of onsemi’s Fab Right strategy on its operating results and financial condition. Forward-looking statements are often characterized by the use of words such as “believes,” “estimates,” “expects,” “projects,” “may,” “will,” “intends,” “plans,” “anticipates,” “targets,” “should,” “would” or similar expressions or by discussions of strategy, plans, expectations, projections or intentions. All forward-looking statements in this document are made based on onsemi’s current expectations, forecasts, estimates and assumptions and involve risks, uncertainties and other factors that could cause results or events to differ materially from those expressed in the forward-looking statements. Certain factors that could affect onsemi’s future results or events are described under Part I, Item 1A “Risk Factors” in the 2025 Annual Report on Form 10-K filed with the Securities and Exchange Commission (“SEC”) on February 9, 2026 and from time to time in onsemi’s other SEC reports. Readers are cautioned not to place undue reliance on forward-looking statements. onsemi assumes no obligation to update such information, which speaks only as of the date made, except as may be required by law.
Contacts:
Krystal Heaton
Director, Head of Public Relations
onsemi
(480) 242-6943
Krystal.Heaton@onsemi.com
Parag Agarwal
Vice President, Investor Relations & Corporate Development
onsemi
(602) 244-3437
investor@onsemi.com
