MACOM Technology Solutions (Nasdaq: MTSI), a US maker of RF, analog and optical semiconductors, filed an 8-K this morning to report its fiscal third-quarter results (the quarter ended July 3, 2026). Revenue and profit both came in ahead of Wall Street's estimates, and the company guided the current quarter meaningfully higher — with data-center demand the driver.

The numbers

• Revenue: $342.2M, up 35.8% year-over-year (from $252.1M) and 18.4% higher than last quarter — ahead of the ~$335M analysts expected.
• Adjusted (non-GAAP) EPS: $1.40 vs the ~$1.34 consensus — a beat. That is up from $0.90 a year ago. GAAP EPS was $1.28 (net income $100.7M).
• Margins: adjusted gross margin rose to 59.7% (from 57.6% a year ago); adjusted operating income was $107.7M, or 31.5% of sales.
• The story: demand for optical and high-speed chips used in AI data centers, alongside the Industrial & Defense and Telecom segments.
• Guidance (next quarter, ending Oct 2): revenue of $415M–$425M — a big step up from $342M — with adjusted gross margin of 60–61% and adjusted EPS of $1.97–$2.03.

One thing to read carefully: the strong GAAP net income ($100.7M) is larger than operating income ($77.1M), which points to tax and below-the-line benefits helping the headline figure. The company's forward EPS guide also assumes a very low ~3% non-GAAP tax rate, which flatters per-share numbers — so treat the operating trend (revenue and gross margin) as the cleaner signal.

What was filed — and what an 8-K is

An 8-K is the "current report" a US-listed company files with the SEC to disclose a material event between its regular quarterly and annual reports. When a company reports earnings, it attaches the press release under Item 2.02, "Results of Operations and Financial Condition." So this filing is simply MACOM's official quarterly results, lodged with the regulator on the same morning it told the market. It is the primary source — everything a news headline says traces back to this document.

Why it matters

Beating estimates on both the top line (revenue) and the bottom line (profit) shows demand is running ahead of what analysts had penciled in. But the number most worth watching here is the guidance: jumping from $342M to roughly $420M in a single quarter is a large sequential increase, and management is pointing to data-center and optical demand as the reason. Rising gross margin alongside rising revenue suggests the growth is not being "bought" with heavy discounting — the company is keeping more of each dollar of sales. The risks to keep in mind are the usual ones for chip suppliers: demand can be lumpy, a few large customers can swing a quarter, and guidance is a forecast, not a guarantee.

Beginner takeaway

MACOM sold more, kept more profit per sale, and told investors it expects an even bigger quarter next. That combination — a beat plus a strong outlook — is usually what markets react to most. Just remember a single quarter is one data point, and forward guidance is a plan that can change.

FAQ

What is "non-GAAP" or "adjusted" EPS? It is the company's own profit figure with certain items stripped out (like stock-based pay and acquisition costs). It can look better than the official GAAP number, so it is worth comparing both.

What does "beating estimates" actually mean? Analysts publish an average forecast for revenue and earnings before the report. Coming in above those averages is a "beat"; below is a "miss." MACOM beat on both this time.

Why is the guidance such a big jump? Management attributes it to demand for chips that move data inside AI data centers. Because it is a forecast, the real test is whether next quarter's actual results land inside that $415M–$425M range.

Does a beat mean I should buy the stock? No — this is educational. A beat is one input among many, and the price may already reflect expectations. Always do your own research.

As of August 6, 2026. Source: official SEC filing — read it directly here. We summarise filings for education and may make errors, so always verify against the official document. Educational content only — not investment advice, not a buy/sell recommendation.