Why Is AMPRIUS TECHNOLOGIES (AMPX) Stock Down Today?

Amprius Technologies (AMPX) shares fell 6.05% to $8.62 following the release of third quarter 2026 financial results. The primary driver of the decline was a wider than expected quarterly loss, despite a revenue beat and an upward revision to the full year outlook.

What Happened

The company reported Q3 revenue of $39.15 million, which exceeded estimates by $3.42 million and represented an 82.7% year over year increase. However, GAAP EPS came in at a loss of $0.02, missing consensus by $0.01. Management raised its 2026 revenue outlook to $145 million from a previous target of at least $140 million. The stock had previously risen 6.8% over the last eight sessions, entering the report at $9.17.

In related corporate news, Applied Energetics nominated Amprius CFO Ricardo C. Rodriguez for election to the board of directors. The company filed a Form 8-K with the SEC on November 10, 2026, disclosing the results of operations and financial condition.

What The Data Shows

The stock opened at $8.86, a 3.4% gap down from the prior close. Intraday trading saw a session high of $9.48 at 9:30 AM ET and a low of $8.53 at 9:45 AM ET. Volume stood at 1.5 million shares, which is 0.3 times the three month daily average. Options activity implied a 13.3% move in the share price following the earnings release.

Fundamentals show a market capitalization of $1.4 billion. The company remains unprofitable with a trailing twelve month EPS of $0.28 and a net margin of 33.4%. Revenue growth over the same period was 143.6%. The stock has a beta of 2.38 and trades within a 52 week range of $7.02 to $24.23. On November 11, 2026, the stock printed two fresh 52 week highs and two fresh 52 week lows. Recent insider activity includes three sells totaling $1.3 million over the last 90 days, with no buys recorded.

What To Watch

Investors will monitor the company's ability to sustain its revised revenue guidance and manage its ongoing losses as it moves toward its full year targets.