{"transactions":[{"id":680934,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":814,"price":333.6377,"value":271581.0878,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F19","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $333.3600 to $333.4250, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":96542,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680933,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":540,"price":334.227,"value":180482.58,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F18","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $333.8100 to $334.8050, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":97356,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680932,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":136,"price":335.4178,"value":45616.8208,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F17","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $335.2425 to $335.9750, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":97896,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680931,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":227,"price":336.6463,"value":76418.7101,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F16","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $336.0450 to $337.0000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":98032,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680930,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":797,"price":337.7572,"value":269192.4884,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F15","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $337.2600 to $338.1850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":98259,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680929,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":610,"price":338.5835,"value":206535.935,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F14","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $338.2000 to $339.1900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":99056,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680928,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":504,"price":339.7447,"value":171231.3288,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $339.2100 to $340.2000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":99666,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680927,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":205,"price":340.5846,"value":69819.843,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $340.2200 to $341.2150, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":100170,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680926,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":125,"price":341.7085,"value":42713.5625,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $341.4300 to $342.3800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":100375,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680925,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":415,"price":342.9479,"value":142323.3785,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $342.4400 to $343.3800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":100500,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680924,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":287,"price":343.9357,"value":98709.5459,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $343.4100 to $344.4000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":100915,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680923,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":1310,"price":344.9945,"value":451942.795,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $344.5100 to $345.5000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":101202,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680922,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":199,"price":346.1272,"value":68879.3128,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $345.5900 to $346.5050, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":102512,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680921,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":269,"price":347.0152,"value":93347.0888,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $346.6200 to $347.5600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":102711,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680920,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":81,"price":348.053,"value":28192.293,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $347.6800 to $348.6300, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":102980,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680919,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":156,"price":349.1871,"value":54473.1876,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $348.8000 to $349.7300, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":103061,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680918,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":82,"price":351.2367,"value":28801.4094,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $350.8850 to $351.5000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":103217,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":680917,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-08-19T22:11:27.000Z","date":"2026-08-17","kind":"sale","planned":false,"acquired":false,"shares":44,"price":352.1027,"value":15492.5188,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold as part of block trades for multiple security holders of the Issuer in multiple transactions at prices ranging from $351.7600 to $352.5000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":103299,"source":{"system":"sec-edgar","filing":"0001998163-26-000022","document":"wk-form4_1787177484.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000022/wk-form4_1787177484.xml","form_type":"4"}},{"id":763184,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-26T20:44:57.000Z","date":"2026-05-21","kind":"sale","planned":false,"acquired":false,"shares":796,"price":291.0251,"value":231655.9796,"ownership":{"direct":true},"balance_after":103343,"source":{"system":"sec-edgar","filing":"0001998163-26-000019","document":"wk-form4_1779828293.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000019/wk-form4_1779828293.xml","form_type":"4"}},{"id":769493,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":395,"price":216.3056,"value":85440.712,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F18","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $216.4900 to $216.1000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":104139,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":18,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769492,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":646,"price":216.972,"value":140163.912,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F17","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $217.5000 to $216.5200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":104534,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":17,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769491,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":364,"price":218.0567,"value":79372.6388,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F16","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $218.5000 to $217.5400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":105180,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":16,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769490,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":356,"price":218.8679,"value":77916.9724,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F15","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $219.5100 to $218.5300, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":105544,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":15,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769489,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":274,"price":220.2,"value":60334.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F14","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $220.5200 to $219.7000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":105900,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":14,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769488,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":170,"price":221.0062,"value":37571.054,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F13","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $221.6400 to $220.6500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":106174,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":13,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769487,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":189,"price":222.2011,"value":41996.0079,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F12","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $222.6400 to $221.6800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":106344,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":12,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769486,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":245,"price":223.7453,"value":54817.5985,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F11","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $223.9900 to $223.3000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":106533,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":11,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769485,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":35,"price":225.0051,"value":7875.1785,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F10","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $225.0500 to $224.5000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":106778,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769484,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":90,"price":225.7602,"value":20318.418,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $226.1800 to $225.2700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":106813,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769483,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":275,"price":226.713,"value":62346.075,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $227.2000 to $226.2800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":106903,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769482,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":55,"price":229.5364,"value":12624.502,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $229.7900 to $228.9350, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":107178,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769481,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":186,"price":230.2814,"value":42832.3404,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $230.79000 to $229.9400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":107233,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769480,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":387,"price":231.3126,"value":89517.9762,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $231.9000 to $230.9300, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":107419,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769479,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":99,"price":232.808,"value":23047.992,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $232.9700 to $232.7700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":107806,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769478,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":116,"price":233.1866,"value":27049.6456,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $233.9800 to $233.1600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":107905,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769477,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":990,"price":235.4146,"value":233060.454,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $235.9400 to $235.3600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":108021,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":769476,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-20T23:55:27.000Z","date":"2026-05-18","kind":"sale","planned":false,"acquired":false,"shares":9204,"price":235.36,"value":2166253.44,"ownership":{"direct":true},"balance_after":109011,"source":{"system":"sec-edgar","filing":"0001998163-26-000016","document":"wk-form4_1779321323.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000016/wk-form4_1779321323.xml","form_type":"4"}},{"id":774279,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-05-18T21:00:42.000Z","date":"2026-05-14","kind":"grant","planned":false,"acquired":true,"shares":131,"price":120.1815,"value":15743.7765,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were acquired under the Astera Labs, Inc. 2024 Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":118215,"source":{"system":"sec-edgar","filing":"0001998163-26-000013","document":"wk-form4_1779138040.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000013/wk-form4_1779138040.xml","form_type":"4"}},{"id":815482,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-04-03T22:31:47.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":500,"price":110.346,"value":55173.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.0200 to $111.0100, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":118084,"source":{"system":"sec-edgar","filing":"0001998163-26-000009","document":"wk-form4_1775255505.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000009/wk-form4_1775255505.xml","form_type":"4"}},{"id":815481,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-04-03T22:31:47.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":1000,"price":109.156,"value":109156.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.9100 to $109.6100, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":118584,"source":{"system":"sec-edgar","filing":"0001998163-26-000009","document":"wk-form4_1775255505.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000009/wk-form4_1775255505.xml","form_type":"4"}},{"id":815480,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-04-03T22:31:47.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":3415,"price":108.4046,"value":370201.709,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.8900 to $108.8800, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":119584,"source":{"system":"sec-edgar","filing":"0001998163-26-000009","document":"wk-form4_1775255505.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000009/wk-form4_1775255505.xml","form_type":"4"}},{"id":815479,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-04-03T22:31:47.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":1985,"price":107.5416,"value":213470.076,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $106.8900 to $107.8500, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":122999,"source":{"system":"sec-edgar","filing":"0001998163-26-000009","document":"wk-form4_1775255505.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000009/wk-form4_1775255505.xml","form_type":"4"}},{"id":815478,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-04-03T22:31:47.000Z","date":"2026-04-01","kind":"sale","planned":true,"acquired":false,"shares":3100,"price":106.3426,"value":329662.06,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $105.8600 to $106.8500, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":124984,"source":{"system":"sec-edgar","filing":"0001998163-26-000009","document":"wk-form4_1775255505.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000009/wk-form4_1775255505.xml","form_type":"4"}},{"id":860535,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-03-04T21:54:08.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":200,"price":120.98,"value":24196.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $120.9700 to $120.9900, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":128084,"source":{"system":"sec-edgar","filing":"0001998163-26-000007","document":"wk-form4_1772661246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000007/wk-form4_1772661246.xml","form_type":"4"}},{"id":860534,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-03-04T21:54:08.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":1566,"price":120.2261,"value":188274.0726,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $119.7300 to $120.5700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":128284,"source":{"system":"sec-edgar","filing":"0001998163-26-000007","document":"wk-form4_1772661246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000007/wk-form4_1772661246.xml","form_type":"4"}},{"id":860533,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-03-04T21:54:08.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":1202,"price":118.8862,"value":142901.2124,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $118.4900 to $119.4700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":129850,"source":{"system":"sec-edgar","filing":"0001998163-26-000007","document":"wk-form4_1772661246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000007/wk-form4_1772661246.xml","form_type":"4"}},{"id":860532,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-03-04T21:54:08.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":3200,"price":117.9196,"value":377342.72,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $117.4700 to $118.2600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":131052,"source":{"system":"sec-edgar","filing":"0001998163-26-000007","document":"wk-form4_1772661246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000007/wk-form4_1772661246.xml","form_type":"4"}},{"id":860531,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-03-04T21:54:08.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":1205,"price":116.8454,"value":140798.707,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $116.4500 to $117.2100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":134252,"source":{"system":"sec-edgar","filing":"0001998163-26-000007","document":"wk-form4_1772661246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000007/wk-form4_1772661246.xml","form_type":"4"}},{"id":860530,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-03-04T21:54:08.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":750,"price":115.8424,"value":86881.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $115.4500 to $116.3700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":135457,"source":{"system":"sec-edgar","filing":"0001998163-26-000007","document":"wk-form4_1772661246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000007/wk-form4_1772661246.xml","form_type":"4"}},{"id":860529,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-03-04T21:54:08.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":677,"price":114.8149,"value":77729.6873,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $114.4400 to $115.1800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":136207,"source":{"system":"sec-edgar","filing":"0001998163-26-000007","document":"wk-form4_1772661246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000007/wk-form4_1772661246.xml","form_type":"4"}},{"id":860528,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-03-04T21:54:08.000Z","date":"2026-03-02","kind":"sale","planned":true,"acquired":false,"shares":1200,"price":113.847,"value":136616.4,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $113.3700 to $114.1600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":136884,"source":{"system":"sec-edgar","filing":"0001998163-26-000007","document":"wk-form4_1772661246.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000007/wk-form4_1772661246.xml","form_type":"4"}},{"id":892499,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-02-20T01:51:47.000Z","date":"2026-02-17","kind":"sale","planned":false,"acquired":false,"shares":469,"price":126.34,"value":59253.46,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."}],"balance_after":138084,"source":{"system":"sec-edgar","filing":"0001998163-26-000005","document":"wk-form4_1771552302.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000005/wk-form4_1771552302.xml","form_type":"4"}},{"id":892498,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-02-20T01:51:47.000Z","date":"2026-02-17","kind":"sale","planned":false,"acquired":false,"shares":923,"price":124.6558,"value":115057.3034,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $124.3500 to $125.3200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":138553,"source":{"system":"sec-edgar","filing":"0001998163-26-000005","document":"wk-form4_1771552302.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000005/wk-form4_1771552302.xml","form_type":"4"}},{"id":892497,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-02-20T01:51:47.000Z","date":"2026-02-17","kind":"sale","planned":false,"acquired":false,"shares":1435,"price":123.9289,"value":177837.9715,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $123.3300 to $124.3200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":139476,"source":{"system":"sec-edgar","filing":"0001998163-26-000005","document":"wk-form4_1771552302.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000005/wk-form4_1771552302.xml","form_type":"4"}},{"id":892496,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-02-20T01:51:47.000Z","date":"2026-02-17","kind":"sale","planned":false,"acquired":false,"shares":1713,"price":122.8446,"value":210432.7998,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $122.3200 to $123.3000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":140911,"source":{"system":"sec-edgar","filing":"0001998163-26-000005","document":"wk-form4_1771552302.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000005/wk-form4_1771552302.xml","form_type":"4"}},{"id":892495,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-02-20T01:51:47.000Z","date":"2026-02-17","kind":"sale","planned":false,"acquired":false,"shares":309,"price":122.1556,"value":37746.0804,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $122.1000 to $122.2800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":142624,"source":{"system":"sec-edgar","filing":"0001998163-26-000005","document":"wk-form4_1771552302.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000005/wk-form4_1771552302.xml","form_type":"4"}},{"id":911327,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-02-10T23:51:21.000Z","date":"2026-02-06","kind":"grant","planned":false,"acquired":true,"shares":5893,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent an award of restricted stock units (\"RSUs\") granted on February 6, 2026 under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award provides that the RSUs shall vest as to 25% on February 15, 2027 and the remaining RSUs shall vest in 12 equal quarterly installments thereafter, subject to the Reporting Person's continuous service relationship with the Issuer through each applicable vesting date. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock."}],"balance_after":142933,"source":{"system":"sec-edgar","filing":"0001998163-26-000003","document":"wk-form4_1770767479.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000003/wk-form4_1770767479.xml","form_type":"4"}},{"id":945601,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-01-06T21:12:47.000Z","date":"2026-01-02","kind":"sale","planned":true,"acquired":false,"shares":200,"price":182.12,"value":36424.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $181.7500 to $182.4900, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":137040,"source":{"system":"sec-edgar","filing":"0001998163-26-000001","document":"wk-form4_1767733961.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000001/wk-form4_1767733961.xml","form_type":"4"}},{"id":945600,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-01-06T21:12:47.000Z","date":"2026-01-02","kind":"sale","planned":true,"acquired":false,"shares":1300,"price":180.9815,"value":235275.95,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $180.6600 to $181.4900, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":137240,"source":{"system":"sec-edgar","filing":"0001998163-26-000001","document":"wk-form4_1767733961.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000001/wk-form4_1767733961.xml","form_type":"4"}},{"id":945599,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-01-06T21:12:47.000Z","date":"2026-01-02","kind":"sale","planned":true,"acquired":false,"shares":1319,"price":179.9021,"value":237290.8699,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $179.6600 to $180.2600, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":138540,"source":{"system":"sec-edgar","filing":"0001998163-26-000001","document":"wk-form4_1767733961.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000001/wk-form4_1767733961.xml","form_type":"4"}},{"id":945598,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-01-06T21:12:47.000Z","date":"2026-01-02","kind":"sale","planned":true,"acquired":false,"shares":2577,"price":179.1146,"value":461578.3242,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $178.6600 to $179.5900, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":139859,"source":{"system":"sec-edgar","filing":"0001998163-26-000001","document":"wk-form4_1767733961.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000001/wk-form4_1767733961.xml","form_type":"4"}},{"id":945597,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-01-06T21:12:47.000Z","date":"2026-01-02","kind":"sale","planned":true,"acquired":false,"shares":2304,"price":178.3094,"value":410824.8576,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $177.5900 to $178.5700, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":142436,"source":{"system":"sec-edgar","filing":"0001998163-26-000001","document":"wk-form4_1767733961.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000001/wk-form4_1767733961.xml","form_type":"4"}},{"id":945596,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-01-06T21:12:47.000Z","date":"2026-01-02","kind":"sale","planned":true,"acquired":false,"shares":500,"price":176.92,"value":88460.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $176.5100 to $177.4900, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":144740,"source":{"system":"sec-edgar","filing":"0001998163-26-000001","document":"wk-form4_1767733961.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000001/wk-form4_1767733961.xml","form_type":"4"}},{"id":945595,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-01-06T21:12:47.000Z","date":"2026-01-02","kind":"sale","planned":true,"acquired":false,"shares":1100,"price":174.9773,"value":192475.03,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $174.7000 to $175.4500, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":145240,"source":{"system":"sec-edgar","filing":"0001998163-26-000001","document":"wk-form4_1767733961.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000001/wk-form4_1767733961.xml","form_type":"4"}},{"id":945594,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-01-06T21:12:47.000Z","date":"2026-01-02","kind":"sale","planned":true,"acquired":false,"shares":600,"price":174.1283,"value":104476.98,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $173.6900 to $174.6700, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":146340,"source":{"system":"sec-edgar","filing":"0001998163-26-000001","document":"wk-form4_1767733961.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000001/wk-form4_1767733961.xml","form_type":"4"}},{"id":945593,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2026-01-06T21:12:47.000Z","date":"2026-01-02","kind":"sale","planned":true,"acquired":false,"shares":100,"price":172.65,"value":17265.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."}],"balance_after":146940,"source":{"system":"sec-edgar","filing":"0001998163-26-000001","document":"wk-form4_1767733961.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816326000001/wk-form4_1767733961.xml","form_type":"4"}},{"id":993392,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-11-19T21:23:32.000Z","date":"2025-11-17","kind":"sale","planned":false,"acquired":false,"shares":1314,"price":143.5145,"value":188578.053,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $144.0000 to $143.1850, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":147040,"source":{"system":"sec-edgar","filing":"0001998163-25-000011","document":"wk-form4_1763587409.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000011/wk-form4_1763587409.xml","form_type":"4"}},{"id":993391,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-11-19T21:23:32.000Z","date":"2025-11-17","kind":"sale","planned":false,"acquired":false,"shares":1801,"price":144.5341,"value":260305.9141,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $145.0000 to $144.0600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":148354,"source":{"system":"sec-edgar","filing":"0001998163-25-000011","document":"wk-form4_1763587409.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000011/wk-form4_1763587409.xml","form_type":"4"}},{"id":993390,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-11-19T21:23:32.000Z","date":"2025-11-17","kind":"sale","planned":false,"acquired":false,"shares":1051,"price":145.6894,"value":153119.5594,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $146.0000 to $145.1000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":150155,"source":{"system":"sec-edgar","filing":"0001998163-25-000011","document":"wk-form4_1763587409.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000011/wk-form4_1763587409.xml","form_type":"4"}},{"id":993389,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-11-19T21:23:32.000Z","date":"2025-11-17","kind":"sale","planned":false,"acquired":false,"shares":454,"price":146.4164,"value":66473.0456,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $147.0000 to $146.0400, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":151206,"source":{"system":"sec-edgar","filing":"0001998163-25-000011","document":"wk-form4_1763587409.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000011/wk-form4_1763587409.xml","form_type":"4"}},{"id":995018,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-11-18T21:34:47.000Z","date":"2025-11-14","kind":"grant","planned":false,"acquired":true,"shares":87,"price":78.3615,"value":6817.4505,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were acquired under the Astera Labs, Inc. 2024 Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":151660,"source":{"system":"sec-edgar","filing":"0001998163-25-000008","document":"wk-form4_1763501684.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000008/wk-form4_1763501684.xml","form_type":"4"}},{"id":1023983,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-10-03T20:30:25.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":100,"price":195.66,"value":19566.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."}],"balance_after":151573,"source":{"system":"sec-edgar","filing":"0001998163-25-000004","document":"wk-form4_1759523419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":9,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000004/wk-form4_1759523419.xml","form_type":"4"}},{"id":1023982,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-10-03T20:30:25.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":900,"price":194.9489,"value":175454.01,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $194.6300 to $195.4800, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":151673,"source":{"system":"sec-edgar","filing":"0001998163-25-000004","document":"wk-form4_1759523419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000004/wk-form4_1759523419.xml","form_type":"4"}},{"id":1023981,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-10-03T20:30:25.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":2189,"price":194.0717,"value":424822.9513,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $193.6300 to $194.6100, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":152573,"source":{"system":"sec-edgar","filing":"0001998163-25-000004","document":"wk-form4_1759523419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000004/wk-form4_1759523419.xml","form_type":"4"}},{"id":1023980,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-10-03T20:30:25.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":2407,"price":193.0792,"value":464741.6344,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $192.6100 to $193.5300, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":154762,"source":{"system":"sec-edgar","filing":"0001998163-25-000004","document":"wk-form4_1759523419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000004/wk-form4_1759523419.xml","form_type":"4"}},{"id":1023979,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-10-03T20:30:25.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":1000,"price":192.2113,"value":192211.3,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $191.6000 to $192.5900, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":157169,"source":{"system":"sec-edgar","filing":"0001998163-25-000004","document":"wk-form4_1759523419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000004/wk-form4_1759523419.xml","form_type":"4"}},{"id":1023978,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-10-03T20:30:25.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":1395,"price":190.9717,"value":266405.5215,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $190.4900 to $191.4400, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":158169,"source":{"system":"sec-edgar","filing":"0001998163-25-000004","document":"wk-form4_1759523419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000004/wk-form4_1759523419.xml","form_type":"4"}},{"id":1023977,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-10-03T20:30:25.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":509,"price":189.8462,"value":96631.7158,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $189.3200 to $190.2900, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":159564,"source":{"system":"sec-edgar","filing":"0001998163-25-000004","document":"wk-form4_1759523419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000004/wk-form4_1759523419.xml","form_type":"4"}},{"id":1023976,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-10-03T20:30:25.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":800,"price":188.3688,"value":150695.04,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $187.8600 to $188.8500, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":160073,"source":{"system":"sec-edgar","filing":"0001998163-25-000004","document":"wk-form4_1759523419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000004/wk-form4_1759523419.xml","form_type":"4"}},{"id":1023975,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-10-03T20:30:25.000Z","date":"2025-10-01","kind":"sale","planned":true,"acquired":false,"shares":700,"price":187.2057,"value":131043.99,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $186.6700 to $187.4900, inclusive. The Reporting Person undertakes\nto provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":160873,"source":{"system":"sec-edgar","filing":"0001998163-25-000004","document":"wk-form4_1759523419.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000199816325000004/wk-form4_1759523419.xml","form_type":"4"}},{"id":1051141,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-09-02T23:37:20.000Z","date":"2025-08-28","kind":"sale","planned":true,"acquired":false,"shares":1200,"price":190.4962,"value":228595.44,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $190.2100 to $190.9100, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":161573,"source":{"system":"sec-edgar","filing":"0001736297-25-000124","document":"wk-form4_1756856236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000124/wk-form4_1756856236.xml","form_type":"4"}},{"id":1051140,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-09-02T23:37:20.000Z","date":"2025-08-28","kind":"sale","planned":true,"acquired":false,"shares":2852,"price":189.6511,"value":540884.9372,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $189.2000 to $190.0600, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":162773,"source":{"system":"sec-edgar","filing":"0001736297-25-000124","document":"wk-form4_1756856236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000124/wk-form4_1756856236.xml","form_type":"4"}},{"id":1051139,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-09-02T23:37:20.000Z","date":"2025-08-28","kind":"sale","planned":true,"acquired":false,"shares":2993,"price":188.8774,"value":565310.0582,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $188.1900 to $189.1800, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":165625,"source":{"system":"sec-edgar","filing":"0001736297-25-000124","document":"wk-form4_1756856236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000124/wk-form4_1756856236.xml","form_type":"4"}},{"id":1051138,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-09-02T23:37:20.000Z","date":"2025-08-28","kind":"sale","planned":true,"acquired":false,"shares":1716,"price":187.5665,"value":321864.114,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $187.0900 to $188.0700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":168618,"source":{"system":"sec-edgar","filing":"0001736297-25-000124","document":"wk-form4_1756856236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000124/wk-form4_1756856236.xml","form_type":"4"}},{"id":1051137,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-09-02T23:37:20.000Z","date":"2025-08-28","kind":"sale","planned":true,"acquired":false,"shares":800,"price":186.3687,"value":149094.96,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $186.0500 to $187.0000, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":170334,"source":{"system":"sec-edgar","filing":"0001736297-25-000124","document":"wk-form4_1756856236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000124/wk-form4_1756856236.xml","form_type":"4"}},{"id":1051136,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-09-02T23:37:20.000Z","date":"2025-08-28","kind":"sale","planned":true,"acquired":false,"shares":339,"price":185.6981,"value":62951.6559,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $184.9400 to $185.9200, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":171134,"source":{"system":"sec-edgar","filing":"0001736297-25-000124","document":"wk-form4_1756856236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000124/wk-form4_1756856236.xml","form_type":"4"}},{"id":1051135,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-09-02T23:37:20.000Z","date":"2025-08-28","kind":"sale","planned":true,"acquired":false,"shares":100,"price":182.55,"value":18255.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 29, 2025."}],"balance_after":171473,"source":{"system":"sec-edgar","filing":"0001736297-25-000124","document":"wk-form4_1756856236.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000124/wk-form4_1756856236.xml","form_type":"4"}},{"id":1059883,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-08-21T00:29:07.000Z","date":"2025-08-18","kind":"sale","planned":false,"acquired":false,"shares":3527,"price":183.1696,"value":646039.1792,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $183.4400  to $182.8700, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":171573,"source":{"system":"sec-edgar","filing":"0001736297-25-000116","document":"wk-form4_1755736143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000116/wk-form4_1755736143.xml","form_type":"4"}},{"id":1059882,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-08-21T00:29:07.000Z","date":"2025-08-18","kind":"sale","planned":false,"acquired":false,"shares":3710,"price":183.8344,"value":682025.624,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock units previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $184.4400  to $183.4500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":175100,"source":{"system":"sec-edgar","filing":"0001736297-25-000116","document":"wk-form4_1755736143.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000116/wk-form4_1755736143.xml","form_type":"4"}},{"id":1079611,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-07-30T01:30:17.000Z","date":"2025-07-24","kind":"grant","planned":false,"acquired":true,"shares":16214,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These shares represent an award of restricted stock units (\"RSUs\") granted on July 24, 2025 under the Astera Labs, Inc. 2024 Stock Option and Incentive Plan. Such award provides that the RSUs shall vest as to 25% on August 15, 2026 and the remaining RSUs shall vest in 12 equal quarterly installments thereafter. Each RSU represents a contingent right to receive one share of the Issuer's Common Stock."}],"balance_after":178810,"source":{"system":"sec-edgar","filing":"0001736297-25-000092","document":"wk-form4_1753839013.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000092/wk-form4_1753839013.xml","form_type":"4"}},{"id":1139968,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-05-21T01:14:24.000Z","date":"2025-05-19","kind":"sale","planned":true,"acquired":false,"shares":25000,"price":90.1291,"value":2253227.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F5","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.0000 to $90.4500, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. 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":162596,"source":{"system":"sec-edgar","filing":"0001736297-25-000041","document":"wk-form4_1747790056.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000041/wk-form4_1747790056.xml","form_type":"4"}},{"id":1139967,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-05-21T01:14:24.000Z","date":"2025-05-16","kind":"sale","planned":true,"acquired":false,"shares":1661,"price":90.3345,"value":150045.6045,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock\nunits previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.2400 to $90.4200, inclusive. The Reporting Person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate\nprice within the range set forth in this footnote."}],"balance_after":187596,"source":{"system":"sec-edgar","filing":"0001736297-25-000041","document":"wk-form4_1747790056.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000041/wk-form4_1747790056.xml","form_type":"4"}},{"id":1139966,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-05-21T01:14:24.000Z","date":"2025-05-16","kind":"sale","planned":true,"acquired":false,"shares":1779,"price":90.6733,"value":161307.8007,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock\nunits previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.4250 to $91.4200, inclusive. The Reporting Person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price\nwithin the range set forth in this footnote."}],"balance_after":189257,"source":{"system":"sec-edgar","filing":"0001736297-25-000041","document":"wk-form4_1747790056.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000041/wk-form4_1747790056.xml","form_type":"4"}},{"id":1139965,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-05-21T01:14:24.000Z","date":"2025-05-16","kind":"sale","planned":true,"acquired":false,"shares":369,"price":92.1546,"value":34005.0474,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Represents shares of the Issuer's Common Stock required to be sold by the Reporting Person to satisfy tax withholding obligations in connection with the vesting and settlement of restricted stock\nunits previously granted to the Reporting Person. Such sales were automatic and mandated by an election of the Issuer made in advance of the vesting event to require the satisfaction of tax withholding obligations to be funded by a \"sell to cover\", and does not represent a discretionary trade by the Reporting Person."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $91.7300 to $92.5550, inclusive. The Reporting Person undertakes to\nprovide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price\nwithin the range set forth in this footnote."}],"balance_after":191036,"source":{"system":"sec-edgar","filing":"0001736297-25-000041","document":"wk-form4_1747790056.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000041/wk-form4_1747790056.xml","form_type":"4"}},{"id":1144689,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-05-16T22:53:05.000Z","date":"2025-05-14","kind":"grant","planned":false,"acquired":true,"shares":196,"price":73.4825,"value":14402.57,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"These shares were acquired under the Astera Labs, Inc. 2024 Employee Stock Purchase Plan in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c)."}],"balance_after":191405,"source":{"system":"sec-edgar","filing":"0001736297-25-000037","document":"wk-form4_1747435979.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000037/wk-form4_1747435979.xml","form_type":"4"}},{"id":1254838,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-02-21T01:08:03.000Z","date":"2025-02-20","kind":"sale","planned":true,"acquired":false,"shares":1193,"price":89.2414,"value":106464.9902,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.2000 to $89.2800, 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 in this footnote."}],"balance_after":191209,"source":{"system":"sec-edgar","filing":"0001736297-25-000011","document":"wk-form4_1740100075.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000011/wk-form4_1740100075.xml","form_type":"4"}},{"id":1254837,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-02-21T01:08:03.000Z","date":"2025-02-20","kind":"sale","planned":true,"acquired":false,"shares":14760,"price":88.7296,"value":1309648.896,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $88.2000 to $89.1600, 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 in this footnote."}],"balance_after":192402,"source":{"system":"sec-edgar","filing":"0001736297-25-000011","document":"wk-form4_1740100075.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000011/wk-form4_1740100075.xml","form_type":"4"}},{"id":1254836,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-02-21T01:08:03.000Z","date":"2025-02-20","kind":"sale","planned":true,"acquired":false,"shares":12949,"price":87.5353,"value":1133494.5997,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $87.2000 to $88.1500, 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 in this footnote."}],"balance_after":207162,"source":{"system":"sec-edgar","filing":"0001736297-25-000011","document":"wk-form4_1740100075.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000011/wk-form4_1740100075.xml","form_type":"4"}},{"id":1254835,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-02-21T01:08:03.000Z","date":"2025-02-20","kind":"sale","planned":true,"acquired":false,"shares":14170,"price":86.7266,"value":1228915.922,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $86.2000 to $87.1900, 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 in this footnote."}],"balance_after":220111,"source":{"system":"sec-edgar","filing":"0001736297-25-000011","document":"wk-form4_1740100075.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000011/wk-form4_1740100075.xml","form_type":"4"}},{"id":1254834,"issuer":{"id":1853,"kind":"organization","name":"Astera Labs, Inc.","symbol":"ALAB"},"owners":[{"id":21502,"kind":"person","name":"Mazzara Philip","position":1,"cik":"0001998163","reported_name":"Mazzara Philip","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and Secretary"}}],"security":"Common Stock","published_at":"2025-02-21T01:08:03.000Z","date":"2025-02-20","kind":"sale","planned":true,"acquired":false,"shares":6928,"price":85.7988,"value":594414.0864,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this Form 4 occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 21, 2024."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.2000 to $86.1800, 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 in this footnote."}],"balance_after":234281,"source":{"system":"sec-edgar","filing":"0001736297-25-000011","document":"wk-form4_1740100075.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1736297/000173629725000011/wk-form4_1740100075.xml","form_type":"4"}}],"next_cursor":"2025-02-21T01:08:03.000000Z,1254834"}