ONTO — what changed in the latest 10-Q
A section-by-section comparison of ONTO's newest periodic SEC filing (10-K/10-Q) against the prior same-form filing: paragraphs added and removed per section, with verbatim excerpts. Purely a deterministic text diff — no similarity scores, no directional read, not investment advice.
Comparing 10-Q · 2026-05-05 vs the prior 10-Q · 2025-11-06
| Section | Outcome | Added | Removed | Minor | Unchanged |
|---|---|---|---|---|---|
| MD&A | Text added/removed | +28 | −32 | ~8 | 19 |
| Market risk (Item 3) | Text added/removed | 0 | 0 | ~1 | 0 |
| Controls & procedures | Text added/removed | +1 | −1 | ~1 | 1 |
| Legal proceedings | Text added/removed | 0 | 0 | ~1 | 0 |
| Risk factors | Some risk factors updated | +3 | −1 | 0 | 0 |
| Other information | Text added/removed | +3 | 0 | ~1 | 0 |
Counts are paragraphs; added/removed means text added or removed vs the prior filing — no direction or judgement implied.
Representative excerpts
Up to 5 excerpts of about 300 characters per section, quoted verbatim from the two SEC filings.
MD&A
Text added vs the prior filing · source: 10-Q · 2026-05-05
Forward-looking statements contained herein reflect our current expectations, assumptions and projections with respect to future events and are subject to certain risks, uncertainties and assumptions. Actual results may differ materially and adversely from those included in such forward-looking stat…
We are a worldwide leader in the design, development, manufacture and support of process control tools that perform macro-defect inspection and metrology, lithography systems, and process control analytical software used by semiconductor and advanced packaging device manufacturers. We deliver compre…
used in both wafer processing facilities, often referred to as “front-end” manufacturing, and in device packaging and test facilities, commonly referred to as “back-end” manufacturing. Our advanced process control software portfolio includes powerful solutions for standalone tools, groups of tools, …
Our principal market is semiconductor capital equipment. Semiconductors packaged as ICs, or “chips,” are used in consumer electronics, server and enterprise systems, mobile computing (including smart phones and tablets), data storage devices, and embedded automotive and control systems. Our core foc…
Our products and services are used by our customers who manufacture many types of ICs for a multitude of applications, each having unique manufacturing challenges. This includes ICs to enable information processing and management (logic ICs), memory storage (NAND, 3D-NAND, NOR, and DRAM), analog dev…
Text removed vs the prior filing · source: 10-Q · 2025-11-06
the proposed acquisition of Semilab USA LLC (“Semilab USA”);
Forward-looking statements contained herein reflect our current expectations, assumptions and projections with respect to future events and are subject to certain risks, uncertainties and assumptions. Actual results may differ materially and adversely from those included in such forward-looking stat…
market segments; fluctuations in customer capital spending; the Company’s ability to effectively manage its supply chain and adequately source components from suppliers to meet customer demand; the effects of political, economic, legal, and regulatory changes or uncertainties, changes in U.S. tariff…
We are a worldwide leader in the design, development, manufacture and support of metrology and inspection tools for the semiconductor industry, including process control tools that perform optical metrology on patterned and unpatterned wafers, wafer macro-defect inspection, including macro-inspectio…
We provide process and yield management solutions used in bare silicon wafer production and wafer processing facilities, often referred to as “front-end” manufacturing, and advanced packaging of chips and test facilities, or “back-end” manufacturing, through a portfolio of standalone systems for opt…
Controls & procedures
Text added vs the prior filing · source: 10-Q · 2026-05-05
There have been no changes in our internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) that occurred during our fiscal quarter ended March 31, 2026 that have materially affected, or are reasonably likely to materially affect, our internal control over finan…
Text removed vs the prior filing · source: 10-Q · 2025-11-06
In the third quarter of 2025, we completed the installation and integration of a new enterprise resource planning system. The new system upgraded our overall information system capabilities, including our financial reporting systems, and supports improved business processes and enhanced internal con…
Risk factors
Text added vs the prior filing · source: 10-Q · 2026-05-05
There have been no material changes from the risk factors previously disclosed under the heading “Risk Factors” in the 2025 Form 10-K, except as set forth below. We may disclose additional changes to risk factors or additional factors from time to time in our future filings with the SEC.
Our ability to complete our acquisition of Rigaku shares is subject to various closing conditions, including the receipt of consents and approvals from governmental authorities, which may impose conditions that could adversely affect us or cause the transaction not to be completed; and if we are abl…
On April 20, 2026, we entered into a share purchase agreement (the Purchase Agreement) to acquire 27% of the outstanding common stock of Rigaku from Atom Investments, L.P., an affiliate of The Carlyle Group (Carlyle). The acquisition is subject to customary closing conditions, including certain regu…
Text removed vs the prior filing · source: 10-Q · 2025-11-06
There have been no material changes from the risk factors previously disclosed under the heading “Risk Factors” in the 2024 Form 10-K, as updated by the risk factors previously disclosed under the heading “Risk Factors” in the Company’s Quarterly Reports on Form 10-Q for the quarterly periods ended …
Other information
Text added vs the prior filing · source: 10-Q · 2026-05-05
On February 24, 2026, Yoon Ah E. Oh, the Company’s Senior Vice President, General Counsel and Corporate Secretary, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 10,278 shares of our common stock. The trading arrangement is intended to sat…
On February 25, 2026, Ido Dolev, the Company’s Executive Vice President, Product Solutions Group, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 100.0% of the shares of our common stock issued upon the settlement of 7,187 outstanding RSUs,…
On March 9, 2026, Michael P. Plisinski, the Company’s Chief Executive Officer, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 65,937 shares of our common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule…
How to read Risk Factors (Item 1A) in a 10-Q
A 10-Q risk-factor section usually takes one of three forms; this page classifies it as one of:
- Pointer — the filer states there have been no material changes and points back to the annual 10-K risk factors; there is no own risk text to compare this quarter.
- Partial update — the filer carves out specific updated risks ("except as set forth below"); the excerpts show exactly what is new this quarter.
- Restated in full — the quarter carries the complete risk-factor text. When the prior quarter was only a pointer there is no prior full text to diff against, so the page flags the section as restated instead.
This describes the filing structure only — it is never a judgement on whether risk went up or down.
Source: text-level diff of the two SEC EDGAR filings · deterministic (no AI-generated content) · for reference only · not investment advice