Insiders Are Dumping Micron At The Highest Rate Since 2010. Is It Time To Get Out?

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Micron insiders have sold more than $100 million in company stock over the past 24 months, and they’re not slowing down.

Per the Oppenheimer desk, as cited by CNBC’s Carl Quintanilla on Bluesky this morning, “$MU, the second-best performing SPX stock YTD, is seeing insider selling at the highest level on record since 2010.” That framing captures the paradox for Micron Technology (NASDAQ:MU) holders: the stock is up 703.29% over the past year, yet the people who know the business best are heading for the exits.

The Selling Pattern

SEC filings show a consistent pattern. On May 1, 2026, CEO Sanjay Mehrotra sold 40,000 shares at an average of $536.26 per share, roughly $21.45 million. On May 29, he sold 37,439 shares across 30 separate transactions at a weighted average of $960.38, approximately $35.96 million. Then on June 26, Mehrotra disposed of a combined 38,030 shares in two transactions totaling roughly $46.3 million at prices ranging from $1,128 to $1,192. Board director Lynn Dugle followed on July 2, selling 1,300 shares valued at approximately $1.5 million.

Per Benzinga Pro and SEC Form 4 filings, insiders have sold approximately 49,600 shares worth $27 million in the last 30 days, with zero reported purchases. GuruFocus counts 1 insider buy against 36 sells over the past year.

The 10b5-1 Nuance

Context matters. Every Mehrotra sale has been executed under a Rule 10b5-1 trading plan adopted on January 30, 2026, a pre-scheduled arrangement that runs automatically regardless of price. The plan was set before the AI-driven melt-up. Mehrotra remains substantially invested: he still directly holds approximately 344,503 shares plus 607,075 shares held indirectly through grantor retained annuity trusts.

The Bull Case

Fundamentals are extraordinary. Q3 fiscal 2026 revenue hit $41.46B, up 345.7% year over year, with non-GAAP EPS of $25.11 and GAAP gross margin of 84.6%. Mehrotra told investors, “Micron’s record fiscal Q3 financial results and even stronger outlook for Q4 reflect the strategic value of memory in the AI era.” On the Q2 call he added, “Some of our key customers, we are able to fulfill only 50% to two-thirds of their demand in the medium term.” Wall Street is aligned: the analyst target sits at $1,486, with 31 Buy and 9 Strong Buy ratings. Forward P/E is 7.

The Bear Case

The counter-signal is the price action underneath. Insider selling at the highest rate since 2010, more than $100 million in 24 months, accelerating into new highs. InvestingPro flags the shares as overvalued and places MU on its “Most Overvalued” list. Reddit sentiment sits at a bullish 61, but the stock has already dropped 19.61% in the past week.

While investors have sold off Micron over the past week, re-read the price we quoted earlier. Mehrota’s May 1 sales came at $536.26 per share. Micron shares are down another 5.6% in premarket trading to $930 per share. That’s still up a substantial amount from where the stock traded less than two months ago.

The Lynch Question

Peter Lynch put it plainly: “Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” The 10b5-1 explanation covers Mehrota. Yet, across 36 sell transactions in a year, not a single Micron insider stepped up to buy a share on the open market. That absence, more than any single sale, is the data point investors must weigh.

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