Amprius Technologies, Inc. (NYSE: AMPX) Stock Information | RedChip
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Amprius Technologies, Inc. (NYSE: AMPX)
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$19.77
-2.7700 ( -12.30% ) 4.9M

Amprius Technologies Inc is engaged in the production of silicon anodes for high energy density lithium-ion batteries. The company's batteries are used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. All of its revenues is geographically earned in the United States.

Market Data


Open $19.77
Previous Close $22.54
Volume 4.9M
Market Cap $3.08B
Day Range $19.71 - $22.44
52 Week Range $2.61 - $24.23
Shares Outstanding 141.63M
Change % -12.30%
Net Change ▼ -2.7700
Insider Ownership -0.65%
Exchange NYSE
SectorMiscellaneous
IndustryNone
IPO Year2022
CountryUnited States
UnderwriterUBS Investment Bank, Stifel, Baird, Drexel Hamilton, more

Insider Ownership Transactions

Total Amount Purchased: -6,851,987.00

Date Type Amount Purchased Purchaser
2024-08-14 Sale -283019.00 SATTERTHWAITE LIVINGSTON
2024-07-25 Sale -925900.00 MIRRO JUSTIN E
2024-06-14 Sale -210000.00 MIRRO JUSTIN E
2024-06-07 Sale -125000.00 Chu Steven
2024-06-07 Sale -114583.00 Gustanski Mary
2024-06-07 Sale -125000.00 MIRRO JUSTIN E
2024-06-07 Sale -125000.00 DIXON DONALD R
2024-06-07 Sale -125000.00 BAYLESS KATHLEEN A
2024-06-07 Sale -125000.00 HSIEH Wen Hsuan
2024-05-24 Sale -19973.00 Sun Kang

SEC Filings


Form Type Description Pages Date
10-q Quarterly Reports 69 Nov 06, 2025
8-k 8K-related 29 Nov 06, 2025
4 Insider transactions 1 Oct 08, 2025
3 Insider transactions 5 Oct 08, 2025
8-k 8K-related 13 Oct 06, 2025
8-k 8K-related 13 Sep 02, 2025
4 Insider transactions 1 Aug 25, 2025
4 Insider transactions 1 Aug 25, 2025
4 Insider transactions 1 Aug 25, 2025
8-k 8K-related 26 Aug 07, 2025

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