There is an old saying that insiders sell stock for many reasons, but they only buy for one. I think about that every time a headline like this comes across my desk.

Micron Technology CEO Sanjay Mehrotra sold $37.3 million worth of shares the same week the stock touched a two-month low. The timing is what gets people's attention, and it should. Nobody likes seeing the person in charge heading for the exit while the price is sliding, even if that is not exactly what happened.

Except it is usually more complicated than it looks. CEOs operate under trading windows dictated by earnings calendars and insider trading rules. Many use pre-planned selling programs called 10b5-1 plans, set up months in advance and often executed automatically, to avoid the appearance of trading on non-public information. Whether Mehrotra used such a plan here, I do not know. The SEC filings will tell that story if you care to dig in.

But the lesson I keep coming back to applies whether we are talking about Micron or any other company where an insider sale catches a headline.

Insider selling is noise for most long-term investors. Not signal.

Think about it logically. A CEO's net worth is often concentrated heavily in the company they run. Selling $37 million of shares when you hold a large personal stake in the business is not a bold statement about the future. It is portfolio management. It is putting a kid through college, buying a house, or spreading your money around so that one bad quarter does not wipe out everything you have built.

I have watched investors panic over insider sales many times over the years. Sometimes the stock went down afterward. Sometimes it doubled. The correlation is weaker than people think, because the reasons behind the sales have almost nothing to do with the business fundamentals that actually drive long-term returns.

What matters for Micron is the memory market, the AI demand cycle, and whether the company can execute on its roadmap over the next several years. What Mehrotra does with his personal shares this week tells you nothing about any of that.

If you owned Micron before this headline, ask yourself whether anything about the business actually changed. The product lineup is the same. The competitive position is the same. The cyclical dynamics of the memory chip market are the same. What changed is that a CEO sold some stock, and someone wrote a headline about it.

That is not a reason to buy or sell anything.

The investors I have watched succeed over the long haul do not react to insider sales. They react to earnings reports, balance sheets, and multi-year industry trends. The daily noise exists to generate clicks and commissions, not to help you make better decisions.

So if this story caught your eye and made you nervous about Micron, take a breath. Go look at the last three earnings reports. Check the guidance. Read what the company is saying about demand for the back half of the year. That is the work that matters. A CEO taking some chips off the table is, in most cases, just a person managing their own money the same way you manage yours.

I am sharing my perspective, not professional financial advice. Do your own homework, and remember that patience beats panic almost every time.