Seagate (STX) Stock: Insiders Sold — Here’s Why It’s Not a Red Flag

TLDR

• Seagate CEO William Mosley and CTO Gianluca Romano sold stock on June 12 as routine “sell-to-cover” transactions tied to RSU vesting, not discretionary sales.
• STX has nearly quadrupled in 2026, vastly outperforming the Nasdaq 100’s 17% gain.
• JPMorgan raised its price target on STX to $920 from $775 on June 12, maintaining an Overweight rating.
• Morgan Stanley followed on June 15, lifting its target to $1,035 from $767, also with an Overweight rating.
• Both banks cited strengthening HDD pricing and supply shortages expected to persist through at least 2028.

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When Seagate Technology (STX) insiders started selling stock on June 12, it looked like a red flag. It wasn’t.

Seagate Technology Holdings plc, STX

CEO William Mosley sold 1,768.25 shares at $880.19 each. After the sale, his direct holding of 327,517 shares was worth around $349 million based on Wednesday’s closing price of $1,066.

CTO Gianluca Romano sold 903.25 shares at roughly the same price. His remaining 42,860 shares are now worth close to $46 million.

Both sales were triggered by the scheduled vesting of restricted stock units — part of standard executive compensation packages. The executives did not choose to sell. They were required to sell a portion of the newly vested shares to cover their tax bills.

This type of transaction is called “sell-to-cover.” It is a routine, automatic process with no connection to an executive’s view on the stock.

Two other Seagate executives also sold on June 12. Their transactions were made under Rule 10b5-1 plans, which are pre-scheduled trading arrangements designed to keep insiders clear of any insider trading concerns.

Why STX Has Been a 2026 Standout

STX has nearly quadrupled this year while the Nasdaq 100 has gained just 17%. The driver is simple: demand for high-capacity hard disk drives to support AI data center buildouts, combined with tight industry supply.

That supply crunch is giving Seagate real pricing power, and Wall Street has taken notice.

On June 12 — the same day as the insider sales — JPMorgan raised its price target on STX to $920 from $775 and kept its Overweight rating. The bank pointed to an optimistic pricing outlook and expected incremental margin improvements in the quarters ahead.

JPMorgan noted that HDD companies have already turned positive on year-over-year pricing for the first time since the March quarter. The bank expects sequential price increases in the low- to mid-single digit range to continue going forward.

Morgan Stanley Follows With a Bigger Target

Three days later, on June 15, Morgan Stanley raised its price target even further — to $1,035 from $767 — also keeping an Overweight rating.

The bank said its Asia supply chain checks over the past three years point to an HDD cycle that is still picking up speed. It expects greater supply shortages to persist through at least calendar year 2028.

Morgan Stanley described HDD pricing as “clearly, and meaningfully, strengthening.”

Both JPMorgan and Morgan Stanley now have price targets below the current trading price of $1,066, meaning the stock has already run past their revised estimates.

STX is listed among stocks with the best expected earnings growth over the next three years, according to analyst data cited in the JPMorgan note.

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