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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 in this footnote."}],"balance_after":20366,"source":{"system":"sec-edgar","filing":"0001266870-26-000006","document":"form4-09152026_100924.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1500412/000126687026000006/form4-09152026_100924.xml","form_type":"4"}},{"id":4618666,"issuer":{"id":751,"kind":"organization","name":"Ambiq Micro, Inc.","symbol":"AMBQ"},"owners":[{"id":39623,"kind":"person","name":"ZHANG KER","position":1,"cik":"0001266870","reported_name":"ZHANG KER","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-15T22:58:28.000Z","date":"2026-09-11","kind":"sale","planned":false,"acquired":false,"shares":9100,"price":63.3856,"value":576808.96,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $62.85 to $63.84 per share. 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 in this footnote."}],"balance_after":21266,"source":{"system":"sec-edgar","filing":"0001266870-26-000006","document":"form4-09152026_100924.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1500412/000126687026000006/form4-09152026_100924.xml","form_type":"4"}},{"id":4613551,"issuer":{"id":751,"kind":"organization","name":"Ambiq Micro, Inc.","symbol":"AMBQ"},"owners":[{"id":39623,"kind":"person","name":"ZHANG KER","position":1,"cik":"0001266870","reported_name":"ZHANG KER","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (Right to Buy)","published_at":"2026-09-09T21:08:21.000Z","date":"2026-09-04","kind":"exercise","planned":false,"acquired":false,"shares":1785,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"1/4 of the shares subject to the option vested on September 8, 2017, and 1/48 of the shares subject to the option vested in equal monthly installments thereafter, subject to the Reporting Person's continued service."}],"balance_after":0,"derivative":{"exercise_price":5.88,"expiration_date":"2026-09-07","underlying":"Common Stock","underlying_shares":1785},"source":{"system":"sec-edgar","filing":"0001266870-26-000004","document":"form4-09092026_090917.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1500412/000126687026000004/form4-09092026_090917.xml","form_type":"4"}},{"id":4613550,"issuer":{"id":751,"kind":"organization","name":"Ambiq Micro, Inc.","symbol":"AMBQ"},"owners":[{"id":39623,"kind":"person","name":"ZHANG KER","position":1,"cik":"0001266870","reported_name":"ZHANG KER","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-09T21:08:21.000Z","date":"2026-09-04","kind":"sale","planned":false,"acquired":false,"shares":185,"price":56.92,"value":10530.2,"ownership":{"direct":true},"balance_after":30366,"source":{"system":"sec-edgar","filing":"0001266870-26-000004","document":"form4-09092026_090917.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1500412/000126687026000004/form4-09092026_090917.xml","form_type":"4"}},{"id":4613549,"issuer":{"id":751,"kind":"organization","name":"Ambiq Micro, Inc.","symbol":"AMBQ"},"owners":[{"id":39623,"kind":"person","name":"ZHANG KER","position":1,"cik":"0001266870","reported_name":"ZHANG KER","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-09-09T21:08:21.000Z","date":"2026-09-04","kind":"exercise","planned":false,"acquired":true,"shares":1785,"price":5.88,"value":10495.8,"ownership":{"direct":true},"balance_after":30551,"source":{"system":"sec-edgar","filing":"0001266870-26-000004","document":"form4-09092026_090917.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1500412/000126687026000004/form4-09092026_090917.xml","form_type":"4"}},{"id":742949,"issuer":{"id":751,"kind":"organization","name":"Ambiq Micro, Inc.","symbol":"AMBQ"},"owners":[{"id":39623,"kind":"person","name":"ZHANG KER","position":1,"cik":"0001266870","reported_name":"ZHANG KER","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2026-06-10T20:42:19.000Z","date":"2026-06-08","kind":"grant","planned":false,"acquired":true,"shares":4957,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the grant of restricted stock units (\"RSUs\"), each of which represents a contingent right to receive one share of the Issuer's common stock. The RSUs will vest in three equal annual installments following the date of grant, with each annual RSU vesting to occur on the earlier of: (i) the first, second, or third anniversary of the grant date, as applicable, or (ii) the date of the Company's first, second, or third annual stockholder meeting following the grant date, as applicable (or the date immediately prior to the applicable annual stockholder meeting if the Reporting Person's service as a director ends at such meeting due to the director's failure to be re-elected or the director not standing for re-election), subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2025 Equity Incentive Plan)."}],"balance_after":28766,"source":{"system":"sec-edgar","filing":"0001266870-26-000002","document":"form4-06102026_080615.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1266870/000126687026000002/form4-06102026_080615.xml","form_type":"4"}},{"id":1078298,"issuer":{"id":751,"kind":"organization","name":"Ambiq Micro, Inc.","symbol":"AMBQ"},"owners":[{"id":39623,"kind":"person","name":"ZHANG KER","position":1,"cik":"0001266870","reported_name":"ZHANG KER","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2025-07-31T22:19:37.000Z","date":"2025-07-29","kind":"grant","planned":false,"acquired":true,"shares":23809,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Consists of previously granted restricted stock units (\"RSUs\") for which the liquidity event-based vesting condition was satisfied upon the effectiveness of the registration statement on Form S-1 filed by the Issuer in connection with the Issuer's initial public offering. 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