Amprius Technologies, Inc.
No SEC Form 4 filings for $AMPX in the last 30 days.
See all $AMPX insider activity →Amprius Technologies, Inc. (AMPX) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. Item 1.01 Entry into a Material Definitive Agreement. On September 23, 2026, Amprius Technologies, Inc. (the “Company”) entered into an Other Transaction Agreement (the “Agreement”) with the United States of America (the “U.S. Government”) for a project (“Project acCELLerate”) aw
Amprius Technologies (NYSE: AMPX) unveiled its second-gen SiCore battery, rated at 500 Wh/kg, for uncrewed electric aviation. The company claims it can be made with conventional lithium-ion manufacturing. Commercial availability is expected in Q4 2026. The tech may benefit high-altitude aircraft and drones, competing with SpaceX's Starlink satellites.
Amprius Technologies director Kang Sun sold 62,101 shares for $642,186 to cover tax obligations. The stock is down 4.2% this week. Amprius reported Q2 revenue of $34.02M, beating estimates, and raised its full-year revenue guidance to at least $140M. The company has $74.5M in cash and no debt.
Over the past 7 days, AlphAI's AI scored 1 news story mentioning AMPX (Amprius Technologies, Inc.). Coverage has skewed bullish: 1 bullish, 0 neutral, and 0 bearish.
Recent AMPX coverage spans insider activity, corporate actions and earnings.
The contract provides a sizable, non‑dilutive funding stream and validates the company's technology, likely supporting a near‑term price uplift.
Potential boost for high‑altitude drone and HAPS markets; limited immediate price impact.
Insider sale may signal confidence concerns, but raised guidance supports upside potential.
Minor dilution of insider ownership; unlikely to move price materially.
Minor dilution of insider confidence; likely limited price impact.
AlphAI scores every news story that mentions AMPX with an AI model for sentiment and relevance, and aggregates insider trades from Amprius Technologies, Inc.'s SEC EDGAR Form 4 filings. Figures refresh continuously.
Amprius Technologies, Inc. (AMPX) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. Item 1.01 Entry into a Material Definitive Agreement. On September 23, 2026, Amprius Technologies, Inc. (the “Company”) entered into an Other Transaction Agreement (the “Agreement”) with the United States of America (the “U.S. Government”) for a project (“Project acCELLerate”) aw
2 min readAmprius Technologies (NYSE: AMPX) unveiled its second-gen SiCore battery, rated at 500 Wh/kg, for uncrewed electric aviation. The company claims it can be made with conventional lithium-ion manufacturing. Commercial availability is expected in Q4 2026. The tech may benefit high-altitude aircraft and drones, competing with SpaceX's Starlink satellites.
2 min readAmprius Technologies director Kang Sun sold 62,101 shares for $642,186 to cover tax obligations. The stock is down 4.2% this week. Amprius reported Q2 revenue of $34.02M, beating estimates, and raised its full-year revenue guidance to at least $140M. The company has $74.5M in cash and no debt.
2 min readSun Kang sold 62,101 shares of Amprius Technologies, Inc. (AMPX) at $10.34 ($0.64M total) on 2026-08-21.
1 min readStefan Constantin Ionel (Chief Technology Officer) sold 29,681 shares of Amprius Technologies, Inc. (AMPX) at $10.34 ($0.31M total) on 2026-08-21.
1 min readStepien Thomas M (Chief Executive Officer) sold 31,529 shares of Amprius Technologies, Inc. (AMPX) at an average of $10.26 ($10.03–$10.34, $0.32M total) across 2 trades over 2026-08-21 to 2026-08-24.
1 min readAfter the White House announced new tariffs on imported unmanned aircraft systems and components, drone makers and suppliers’ shares rose on Friday. Reported moves include Unusual Machines up as much as 28%, Red Cat Holdings up 15%, AeroVironment up about 10%, and Kratos up 6.9%. Tariffs take effect in 21 days, with some component duties delayed 180 days, according to the White House.
4 min readAmprius Technologies, Inc. (AMPX) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. Item 1.01 Entry into a Material Definitive Agreement. On August 7, 2026, Amprius Technologies, Inc. (the “Company”) entered into the Second Amendment to Industrial Lease Agreement (the “Second Amendment”) with Los Altos Fields, LLC, amending the Company's existing lease for its f
3 min readThe US administration, according to a President Trump roundtable reported by Energy Metal News, committed over $2 billion to domestic battery and critical-mineral projects. The largest item is a $1.4 billion Defense Department loan to Sila Nanotechnologies, plus $400 million to Sunrise Energy Metals, $150 million to Niron Magnetics, and an $85.5 million equity investment in Strategic Bauxite. The article also highlights related company updates including NOMAD Power Solutions (NMAD).
7 min readAmprius Technologies (AMPX) shares rose about 8.1% pre-open after the company reported Q2 2026 revenue of $34.0M, up 126% year over year, beating expectations. Amprius raised full-year 2026 revenue guidance to at least $140.0M, while targeting net loss under $10.0M and non-GAAP Adjusted EBITDA of at least $4.0M. GAAP EPS missed due to a warrant modification impact.
3 min read
