Legal Insider Trading Data | Free and Professional Subscription Services | Insider Insights urn:uuid:e0825c00-871d-b234-73d2-f655f771fb2b 2026-09-19T12:16:53-04:00 Jonathan Moreland Profit from legal insider trading. InsiderInsights.com provides free insider trading data tools and resources, and professional grade subscription based real time Form 4 data, analysis and services AMPX: SUN KANG (DIR) Sold (S) 62,101 Shares of AMPRIUS TECHNOLOGIES INC for $10.34 on 8/21 urn:uuid:731a1abd-6767-adc6-045b-979426d4c209 2026-08-25T17:22:39-04:00 AMPX: STEFAN CONSTANTIN IONEL (CTO) Sold (S) 29,681 Shares of AMPRIUS TECHNOLOGIES INC for $10.34 on 8/21 urn:uuid:5ddf8fa9-4b40-2f62-0e46-771f59feb29d 2026-08-25T17:22:08-04:00 AMPX: STEPIEN THOMAS M (CEO,DIR) Disposed (JS) 15,346 Shares of AMPRIUS TECHNOLOGIES INC for $0.00 on 8/25 urn:uuid:425f7a3d-7cae-88b5-b746-64438d4f7b3f 2026-08-25T17:21:20-04:00 AMPX: STEPIEN THOMAS M (CEO,DIR) Sold (S) 31,529 Shares of AMPRIUS TECHNOLOGIES INC for $10.03 on 8/21-8/24 urn:uuid:1317c9e8-7f74-8fcc-b9dd-b9090651228e 2026-08-25T17:21:20-04:00 AMPX: STEPIEN THOMAS M (CEO,DIR) Acquired (JB) 346 Shares of AMPRIUS TECHNOLOGIES INC for $0.00 on 8/25 urn:uuid:e8c4f2bf-898e-1ddf-6f15-be267850f8b3 2026-08-25T17:21:20-04:00 AMPX: BAYLESS KATHLEEN A (DIR) Acquired (JB) 10,423 Shares of AMPRIUS TECHNOLOGIES INC for $0.00 on 6/12 urn:uuid:379eeeb0-5074-7bef-c0b7-7723736a6191 2026-06-16T18:03:05-04:00 AMPX: SATTERTHWAITE LIVINGSTON (DIR) Acquired (JB) 10,423 Shares of AMPRIUS TECHNOLOGIES INC for $0.00 on 6/12 urn:uuid:e7daa1e3-2c94-6fcd-556b-ded710ff1414 2026-06-16T18:01:27-04:00 AMPX: DIXON DONALD R (DIR) Acquired (JB) 10,423 Shares of AMPRIUS TECHNOLOGIES INC for $0.00 on 6/12 urn:uuid:c5416203-5730-941a-508c-46371b0f4689 2026-06-16T18:00:52-04:00 AMPX: DIXON DONALD R (DIR) Sold (S) 85k Shares of AMPRIUS TECHNOLOGIES INC for $17.17 on 6/15 urn:uuid:be17ce90-6165-8b91-b443-1609ade0104e 2026-06-16T18:00:52-04:00 AMPX: CHU STEVEN (DIR) Acquired (JB) 10,423 Shares of AMPRIUS TECHNOLOGIES INC for $0.00 on 6/12 urn:uuid:4e49c003-32a5-b31c-9d77-e0b5d3fdb52e 2026-06-16T18:00:30-04:00