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These shares were sold in multiple transactions at prices ranging from $3.06 to $3.215, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"These securities are restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit."}],"balance_after":419197,"source":{"system":"sec-edgar","filing":"0001942459-25-000002","document":"wk-form4_1740443834.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245925000002/wk-form4_1740443834.xml","form_type":"4"}},{"id":1353630,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2024-11-22T21:27:50.000Z","date":"2024-11-21","kind":"sale","planned":false,"acquired":false,"shares":18170,"price":1.9646,"value":35696.782,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"This transaction was effected pursuant to non-discretionary, sell-to-cover arrangements mandated by the issuer to fund tax withholding obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $1.93 to $2.02, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"These securities are restricted stock units, each of which represents a contingent right to receive one share of the Issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit."}],"balance_after":454131,"source":{"system":"sec-edgar","filing":"0001942459-24-000021","document":"wk-form4_1732310861.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245924000021/wk-form4_1732310861.xml","form_type":"4"}},{"id":1353629,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2024-11-22T21:27:50.000Z","date":"2024-11-21","kind":"sale","planned":false,"acquired":false,"shares":15000,"price":1.9624,"value":29436.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $1.92 to $2.02, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"Includes 16,763 shares of the issuer's common stock previously held directly by the reporting person, which were transferred on November 21, 2024 to the Jonathan G. Bornstein and Phyllis S. Brock Trust Agreement, for which the reporting person and his spouse are co-trustees."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"The securities are held directly by Jonathan G. Bornstein and Phyllis S. 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The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 523,997 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit."}],"balance_after":1546895,"source":{"system":"sec-edgar","filing":"0001942459-24-000015","document":"wk-form4_1716599100.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245924000015/wk-form4_1716599100.xml","form_type":"4"}},{"id":1501398,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2024-05-25T01:05:12.000Z","date":"2024-05-21","kind":"sale","planned":false,"acquired":false,"shares":11171,"price":1.3276,"value":14830.6196,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"This transaction was effected pursuant to non-discretionary, sell-to-cover arrangements mandated by the issuer to fund tax withholding obligations in connection with the vesting of restricted stock units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is an average execution price. 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and sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $3.71 to $4.13, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001942459-23-000004","document":"wk-form4_1697151321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245923000004/wk-form4_1697151321.xml","form_type":"4"}},{"id":1760940,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2023-10-12T22:55:31.000Z","date":"2023-10-12","kind":"exercise","planned":true,"acquired":true,"shares":22969,"price":0.05,"value":1148.45,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The exercises and sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2023."}],"balance_after":22969,"source":{"system":"sec-edgar","filing":"0001942459-23-000004","document":"wk-form4_1697151321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245923000004/wk-form4_1697151321.xml","form_type":"4"}},{"id":1760939,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2023-10-12T22:55:31.000Z","date":"2023-10-11","kind":"sale","planned":true,"acquired":false,"shares":56702,"price":4.1649,"value":236158.1598,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The exercises and sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $4.06 to $4.35, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001942459-23-000004","document":"wk-form4_1697151321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245923000004/wk-form4_1697151321.xml","form_type":"4"}},{"id":1760938,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2023-10-12T22:55:31.000Z","date":"2023-10-11","kind":"exercise","planned":true,"acquired":true,"shares":56702,"price":0.05,"value":2835.1,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The exercises and sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2023."}],"balance_after":56702,"source":{"system":"sec-edgar","filing":"0001942459-23-000004","document":"wk-form4_1697151321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245923000004/wk-form4_1697151321.xml","form_type":"4"}},{"id":1760937,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2023-10-12T22:55:31.000Z","date":"2023-10-10","kind":"sale","planned":true,"acquired":false,"shares":70329,"price":4.3587,"value":306543.0123,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The exercises and sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $4.21 to $4.49, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001942459-23-000004","document":"wk-form4_1697151321.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245923000004/wk-form4_1697151321.xml","form_type":"4"}},{"id":1760936,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common 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These shares were sold in multiple transactions at prices ranging from $4.11 to $4.32, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001942459-23-000002","document":"wf-form4_169532904095825.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245923000002/wf-form4_169532904095825.xml","form_type":"4"}},{"id":1775217,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2023-09-21T20:44:15.000Z","date":"2023-09-20","kind":"exercise","planned":true,"acquired":true,"shares":6484,"price":0.05,"value":324.2,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The exercises and sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2023."}],"balance_after":6484,"source":{"system":"sec-edgar","filing":"0001942459-23-000002","document":"wf-form4_169532904095825.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245923000002/wf-form4_169532904095825.xml","form_type":"4"}},{"id":1775216,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2023-09-21T20:44:15.000Z","date":"2023-09-19","kind":"sale","planned":true,"acquired":false,"shares":143516,"price":4.37,"value":627164.92,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The exercises and sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2023."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is an average execution price. These shares were sold in multiple transactions at prices ranging from $4.18 to $4.76, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001942459-23-000002","document":"wf-form4_169532904095825.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245923000002/wf-form4_169532904095825.xml","form_type":"4"}},{"id":1775215,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President of Amprius Lab"}}],"security":"Common stock","published_at":"2023-09-21T20:44:15.000Z","date":"2023-09-19","kind":"exercise","planned":true,"acquired":true,"shares":143516,"price":0.05,"value":7175.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The exercises and sales reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 12, 2023."}],"balance_after":143516,"source":{"system":"sec-edgar","filing":"0001942459-23-000002","document":"wf-form4_169532904095825.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000194245923000002/wf-form4_169532904095825.xml","form_type":"4"}},{"id":2156833,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-09-16T23:20:09.000Z","date":"2022-09-14","kind":"grant","acquired":true,"shares":545962,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On September 14, 2022, the Issuer completed a business combination (the \"Business Combination\") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. (\"Legacy Amprius\") At the effective time of the Business Combination (the \"Effective Time\"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"1/48 of the total number of shares issuable upon exercise of the option vested on February 1, 2023, and 1/48 of the total number of shares issuable upon exercise of the option vest monthly thereafter until fully vested on January 1, 2027."}],"balance_after":545962,"derivative":{"exercise_price":2.61,"expiration_date":"2032-04-12","underlying":"Common Stock","underlying_shares":545962},"source":{"system":"sec-edgar","filing":"0000899243-22-031393","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000089924322031393/doc4.xml","form_type":"4"}},{"id":2156832,"issuer":{"id":4742,"kind":"organization","name":"Amprius Technologies, Inc."},"owners":[{"id":82052,"kind":"person","name":"Bornstein Jonathan","position":1,"cik":"0001942459","reported_name":"Bornstein Jonathan","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Operating Officer"}}],"security":"Stock Option (right to buy)","published_at":"2022-09-16T23:20:09.000Z","date":"2022-09-14","kind":"grant","acquired":true,"shares":2183851,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"On September 14, 2022, the Issuer completed a business combination (the \"Business Combination\") pursuant to the Business Combination Agreement, by and among the Issuer, a wholly owned subsidiary of the Issuer, and Amprius Technologies Operating, Inc. (\"Legacy Amprius\") At the effective time of the Business Combination (the \"Effective Time\"), each Legacy Amprius option was converted into an option to purchase a number of shares of Common Stock of the Issuer equal to the product (rounded down to the nearest whole number) of (i) the number of shares of Legacy Amprius common stock subject to the Legacy Amprius option immediately prior to the Effective Time multiplied by (ii) an exchange ratio of approximately 1.45590, at an exercise price per share (rounded up to the nearest whole cent) equal to (A) the exercise price per share of such Legacy Amprius option immediately prior to the Effective Time divided by (B) the Exchange Ratio"}],"balance_after":2183851,"derivative":{"exercise_price":0.05,"exercise_date":"2022-09-14","expiration_date":"2024-03-15","underlying":"Common Stock","underlying_shares":2183851},"source":{"system":"sec-edgar","filing":"0000899243-22-031393","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1899287/000089924322031393/doc4.xml","form_type":"4"}}]}