{"transactions":[{"id":4631001,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock Unit","published_at":"2026-10-05T21:49:01.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":false,"shares":43376,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"The RSUs vested as to 1/16th of the total award on April 1, 2026, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"RSUs do not expire; they either vest or are canceled prior to the vesting date."}],"balance_after":563889,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":43376},"source":{"system":"sec-edgar","filing":"0001833511-26-000040","document":"form4-10052026_091057.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000040/form4-10052026_091057.xml","form_type":"4"}},{"id":4631000,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock Unit","published_at":"2026-10-05T21:49:01.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":false,"shares":16827,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"The RSUs vested as to 1/16th of the total award on April 1, 2025, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"RSUs do not expire; they either vest or are canceled prior to the vesting date."}],"balance_after":151442,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":16827},"source":{"system":"sec-edgar","filing":"0001833511-26-000040","document":"form4-10052026_091057.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000040/form4-10052026_091057.xml","form_type":"4"}},{"id":4630999,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock Unit","published_at":"2026-10-05T21:49:01.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":false,"shares":14411,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The RSUs vested as to 1/16th of the total award on April 1, 2024, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"RSUs do not expire; they either vest or are canceled prior to the vesting date."}],"balance_after":72052,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":14411},"source":{"system":"sec-edgar","filing":"0001833511-26-000040","document":"form4-10052026_091057.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000040/form4-10052026_091057.xml","form_type":"4"}},{"id":4630998,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock Unit","published_at":"2026-10-05T21:49:01.000Z","date":"2026-10-01","kind":"exercise","planned":false,"acquired":false,"shares":23043,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The RSUs vested as to 1/16th of the total award on April 1, 2023, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F7","text":"RSUs do not expire; they either vest or are canceled prior to the vesting date."}],"balance_after":23042,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":23043},"source":{"system":"sec-edgar","filing":"0001833511-26-000040","document":"form4-10052026_091057.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000040/form4-10052026_091057.xml","form_type":"4"}},{"id":4630997,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-10-05T21:49:01.000Z","date":"2026-10-02","kind":"sale","planned":false,"acquired":false,"shares":4475,"price":19.4304,"value":86951.04,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F3","text":"Following the sales reported in this Form 4, Mr. Goel holds 2,372,118 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing."},{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this line item represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units (\"RSUs\"). The sales were to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in this line item is a weighted average price. These shares were sold as part of pooled trades for multiple security holders of the Issuer at prices ranging from $19.42 to $19.44, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the pooled trades."}],"balance_after":47424,"source":{"system":"sec-edgar","filing":"0001833511-26-000040","document":"form4-10052026_091057.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000040/form4-10052026_091057.xml","form_type":"4"}},{"id":4630996,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-10-05T21:49:01.000Z","date":"2026-10-02","kind":"sale","planned":false,"acquired":false,"shares":45758,"price":18.9289,"value":866148.6062,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The sales reported in this line item represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units (\"RSUs\"). The sales were to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in this line item is a weighted average price. These shares were sold as part of pooled trades for multiple security holders of the Issuer at prices ranging from $18.38 to $19.3725, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the pooled trades."}],"balance_after":51899,"source":{"system":"sec-edgar","filing":"0001833511-26-000040","document":"form4-10052026_091057.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000040/form4-10052026_091057.xml","form_type":"4"}},{"id":4630995,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE 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Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":173484,"derivative":{"underlying":"Class A Common Stock","underlying_shares":34370},"source":{"system":"sec-edgar","filing":"0001833511-26-000038","document":"form4-09252026_070901.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000038/form4-09252026_070901.xml","form_type":"4"}},{"id":4627209,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class B Common 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the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":207854,"derivative":{"underlying":"Class A Common Stock","underlying_shares":21870},"source":{"system":"sec-edgar","filing":"0001833511-26-000038","document":"form4-09252026_070901.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000038/form4-09252026_070901.xml","form_type":"4"}},{"id":4627208,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Stock Option (Right to buy Class B Common Stock)","published_at":"2026-09-25T23:00:06.000Z","date":"2026-09-24","kind":"exercise","planned":true,"acquired":false,"shares":21870,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The options are fully vested."}],"balance_after":73088,"derivative":{"exercise_price":2.15,"expiration_date":"2027-05-01","underlying":"Class A Common Stock","underlying_shares":21870},"source":{"system":"sec-edgar","filing":"0001833511-26-000038","document":"form4-09252026_070901.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000038/form4-09252026_070901.xml","form_type":"4"}},{"id":4627207,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-09-25T23:00:06.000Z","date":"2026-09-24","kind":"sale","planned":true,"acquired":false,"shares":40373,"price":18.5439,"value":748672.8747,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F4","text":"Following the sales reported in this line item, Mr. Goel holds 2,324,694 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on May 1 ,2027."},{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $18.41 and the highest price at which shares were sold was $18.70. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001833511-26-000038","document":"form4-09252026_070901.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000038/form4-09252026_070901.xml","form_type":"4"}},{"id":4627206,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-09-25T23:00:06.000Z","date":"2026-09-24","kind":"sale","planned":true,"acquired":false,"shares":10080,"price":18.0516,"value":181960.128,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $17.41 and the highest price at which shares were sold was $18.40. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":40373,"source":{"system":"sec-edgar","filing":"0001833511-26-000038","document":"form4-09252026_070901.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1833511/000183351126000038/form4-09252026_070901.xml","form_type":"4"}},{"id":4627205,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common 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share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":185984,"derivative":{"underlying":"Class A Common Stock","underlying_shares":34371},"source":{"system":"sec-edgar","filing":"0001833511-26-000036","document":"form4-08212026_110838.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000036/form4-08212026_110838.xml","form_type":"4"}},{"id":678644,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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into one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":220355,"derivative":{"underlying":"Class A Common Stock","underlying_shares":21871},"source":{"system":"sec-edgar","filing":"0001833511-26-000036","document":"form4-08212026_110838.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000036/form4-08212026_110838.xml","form_type":"4"}},{"id":678643,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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the sales reported in this line item, Mr. Goel holds 2,375,148 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on May 1 ,2027."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $16.32 and the highest price at which shares were sold was $16.74. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":16083,"source":{"system":"sec-edgar","filing":"0001833511-26-000036","document":"form4-08212026_110838.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000036/form4-08212026_110838.xml","form_type":"4"}},{"id":678641,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common 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one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":198484,"derivative":{"underlying":"Class A Common Stock","underlying_shares":211302},"source":{"system":"sec-edgar","filing":"0001833511-26-000034","document":"form4-08082026_010821.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000034/form4-08082026_010821.xml","form_type":"4"}},{"id":692981,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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into one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":409786,"derivative":{"underlying":"Class A Common Stock","underlying_shares":211302},"source":{"system":"sec-edgar","filing":"0001833511-26-000034","document":"form4-08082026_010821.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000034/form4-08082026_010821.xml","form_type":"4"}},{"id":692980,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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The option award under which these shares were exercised expires on May 1 ,2027."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $17.6284 and the highest price at which shares were sold was $17.9125. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":31692,"source":{"system":"sec-edgar","filing":"0001833511-26-000034","document":"form4-08082026_010821.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000034/form4-08082026_010821.xml","form_type":"4"}},{"id":692978,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common 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certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":215044,"derivative":{"underlying":"Class A Common Stock","underlying_shares":4060},"source":{"system":"sec-edgar","filing":"0001833511-26-000030","document":"form4-07172026_090742.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000030/form4-07172026_090742.xml","form_type":"4"}},{"id":706738,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev 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not expire; they either vest or are canceled prior to the vesting date."}],"balance_after":607265,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":43376},"source":{"system":"sec-edgar","filing":"0001833511-26-000028","document":"form4-07062026_100755.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":10,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000028/form4-07062026_100755.xml","form_type":"4"}},{"id":715023,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock 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Unit","published_at":"2026-07-06T22:23:59.000Z","date":"2026-07-01","kind":"exercise","planned":true,"acquired":false,"shares":14410,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F8","text":"Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"The RSUs vested as to 1/16th of the total award on April 1, 2024, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F10","text":"RSUs do not expire; they either vest or are canceled prior to the vesting date."}],"balance_after":86463,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":14410},"source":{"system":"sec-edgar","filing":"0001833511-26-000028","document":"form4-07062026_100755.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000028/form4-07062026_100755.xml","form_type":"4"}},{"id":715021,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock 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sales reported in this line item, Mr. Goel holds 2,409,495 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on May 1, 2027."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026."},{"field":"shares","element":"transactionShares","label":"F4","text":"These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein."}],"balance_after":47301,"source":{"system":"sec-edgar","filing":"0001833511-26-000028","document":"form4-07062026_100755.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000028/form4-07062026_100755.xml","form_type":"4"}},{"id":715019,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-07-06T22:23:59.000Z","date":"2026-07-02","kind":"exercise","planned":true,"acquired":true,"shares":8500,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":55801,"source":{"system":"sec-edgar","filing":"0001833511-26-000028","document":"form4-07062026_100755.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000028/form4-07062026_100755.xml","form_type":"4"}},{"id":715018,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-07-06T22:23:59.000Z","date":"2026-07-02","kind":"sale","planned":true,"acquired":false,"shares":50354,"price":13.6485,"value":687256.569,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F6","text":"The sales reported in this line item represent shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of restricted stock units (\"RSUs\"). The sales were to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction."},{"field":"price","element":"transactionPricePerShare","label":"F7","text":"The price reported in this line item is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $13.50 to $13.89, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the block trades."}],"balance_after":47301,"source":{"system":"sec-edgar","filing":"0001833511-26-000028","document":"form4-07062026_100755.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000028/form4-07062026_100755.xml","form_type":"4"}},{"id":715017,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-07-06T22:23:59.000Z","date":"2026-07-01","kind":"exercise","planned":true,"acquired":true,"shares":97655,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":97655,"source":{"system":"sec-edgar","filing":"0001833511-26-000028","document":"form4-07062026_100755.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000028/form4-07062026_100755.xml","form_type":"4"}},{"id":715016,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-07-06T22:23:59.000Z","date":"2026-07-01","kind":"sale","planned":true,"acquired":false,"shares":17176,"price":13.9142,"value":238990.2992,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Following the sales reported in this line item, Mr. Goel holds 2,409,495 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on May 1, 2027."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026."},{"field":"shares","element":"transactionShares","label":"F4","text":"These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $13.90 and the highest price at which shares were sold was $13.97. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001833511-26-000028","document":"form4-07062026_100755.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000028/form4-07062026_100755.xml","form_type":"4"}},{"id":715015,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common 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share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":210984,"derivative":{"underlying":"Class A Common Stock","underlying_shares":21871},"source":{"system":"sec-edgar","filing":"0001833511-26-000026","document":"form4-06232026_120622.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000026/form4-06232026_120622.xml","form_type":"4"}},{"id":730420,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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into one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":232855,"derivative":{"underlying":"Class A Common Stock","underlying_shares":21871},"source":{"system":"sec-edgar","filing":"0001833511-26-000026","document":"form4-06232026_120622.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000026/form4-06232026_120622.xml","form_type":"4"}},{"id":730419,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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the sales reported in this line item, Mr. Goel holds 2,362,194 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on May 1, 2027."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026."},{"field":"shares","element":"transactionShares","label":"F4","text":"These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $11.10 and the highest price at which shares were sold was $11.40. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001833511-26-000026","document":"form4-06232026_120622.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000026/form4-06232026_120622.xml","form_type":"4"}},{"id":730417,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common 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share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":210984,"derivative":{"underlying":"Class A Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001833511-26-000024","document":"form4-06092026_090648.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000024/form4-06092026_090648.xml","form_type":"4"}},{"id":744495,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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into one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":254984,"derivative":{"underlying":"Class A Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001833511-26-000024","document":"form4-06092026_090648.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000024/form4-06092026_090648.xml","form_type":"4"}},{"id":744494,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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sales reported in this line item, Mr. Goel holds 2,383,400 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing. The option award under which these shares were exercised expires on May 1, 2027."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $11.20 and the highest price at which shares were sold was $11.515. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":21206,"source":{"system":"sec-edgar","filing":"0001833511-26-000024","document":"form4-06092026_090648.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000024/form4-06092026_090648.xml","form_type":"4"}},{"id":744492,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common 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into one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":254984,"derivative":{"underlying":"Class A Common Stock","underlying_shares":36004},"source":{"system":"sec-edgar","filing":"0001833511-26-000022","document":"form4-05272026_080507.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000022/form4-05272026_080507.xml","form_type":"4"}},{"id":761618,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":218980,"derivative":{"underlying":"Class B Common Stock","underlying_shares":7996},"source":{"system":"sec-edgar","filing":"0001833511-26-000022","document":"form4-05272026_080507.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000022/form4-05272026_080507.xml","form_type":"4"}},{"id":761616,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Stock Option (Right to buy 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The option award under which 7,996 shares were exercised expires on July 7, 2026 and now has zero remaining options outstanding.  The option award under which 36,004 shares were exercised expires on May 1, 2027."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $10.255 and the highest price at which shares were sold was $10.545. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":21206,"source":{"system":"sec-edgar","filing":"0001833511-26-000022","document":"form4-05272026_080507.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000022/form4-05272026_080507.xml","form_type":"4"}},{"id":761614,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common 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sales reported in this line item, Mr. Goel holds 2,362,194 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing.  The option award under which these shares were exercised expires on July 7, 2026."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $9.43 and the highest price at which shares were sold was $9.645. 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share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":210984,"derivative":{"underlying":"Class A Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001833511-26-000018","document":"form4-04292026_090413.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000018/form4-04292026_090413.xml","form_type":"4"}},{"id":797916,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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into one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":254984,"derivative":{"underlying":"Class B Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001833511-26-000018","document":"form4-04292026_090413.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000018/form4-04292026_090413.xml","form_type":"4"}},{"id":797915,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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sales reported in this line item, Mr. Goel holds 2,362,194 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing.  The option award under which these shares were exercised expires on July 7, 2026."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $9.535 and the highest price at which shares were sold was $9.885. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":21206,"source":{"system":"sec-edgar","filing":"0001833511-26-000018","document":"form4-04292026_090413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000018/form4-04292026_090413.xml","form_type":"4"}},{"id":797913,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common 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into one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":228450,"derivative":{"underlying":"Class B Common Stock","underlying_shares":17466},"source":{"system":"sec-edgar","filing":"0001833511-26-000016","document":"form4-04142026_090455.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000016/form4-04142026_090455.xml","form_type":"4"}},{"id":808728,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev 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The option award under which these shares were exercised expires on July 7, 2026."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $8.38 and the highest price at which shares were sold was $8.785. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":21206,"source":{"system":"sec-edgar","filing":"0001833511-26-000016","document":"form4-04142026_090455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000016/form4-04142026_090455.xml","form_type":"4"}},{"id":808726,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-04-14T21:30:00.000Z","date":"2026-04-13","kind":"exercise","planned":true,"acquired":true,"shares":17466,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":65206,"source":{"system":"sec-edgar","filing":"0001833511-26-000016","document":"form4-04142026_090455.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000016/form4-04142026_090455.xml","form_type":"4"}},{"id":816154,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Restricted Stock Unit","published_at":"2026-04-03T22:28:18.000Z","date":"2026-04-01","kind":"exercise","planned":false,"acquired":false,"shares":43376,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F3","text":"Each RSU represents a right to receive one share of the Issuer's Class A Common Stock at the time of settlement for no consideration."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"The RSUs vested as to 1/16th of the total award on April 1, 2026, and 1/16th of the total award will vest quarterly thereafter, subject to the Reporting Person's provision of service to the Issuer on each vesting date."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F5","text":"RSUs do not expire; 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The sales were to satisfy tax withholding obligations to be funded by a \"sell to cover\" transaction."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in this line item is a weighted average price. These shares were sold as part of block trades for multiple security holders of the Issuer at prices ranging from $7.98 to $8.27, inclusive. The Reporting Person undertakes to provide to the Issuer, any securityholder 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 herein with regard to the block trades."}],"balance_after":47740,"source":{"system":"sec-edgar","filing":"0001833511-26-000014","document":"form4-04032026_100413.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000014/form4-04032026_100413.xml","form_type":"4"}},{"id":816149,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE 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Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":210984,"derivative":{"underlying":"Class A Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001833511-26-000012","document":"form4-04012026_120451.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000012/form4-04012026_120451.xml","form_type":"4"}},{"id":824081,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class B Common 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the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":254984,"derivative":{"underlying":"Class B Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001833511-26-000012","document":"form4-04012026_120451.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000012/form4-04012026_120451.xml","form_type":"4"}},{"id":824080,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Stock Option (Right to buy Class B Common Stock)","published_at":"2026-04-01T00:35:56.000Z","date":"2026-03-30","kind":"exercise","planned":true,"acquired":false,"shares":44000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The options are fully vested."}],"balance_after":113462,"derivative":{"exercise_price":1.11,"expiration_date":"2026-07-07","underlying":"Class B Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001833511-26-000012","document":"form4-04012026_120451.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000012/form4-04012026_120451.xml","form_type":"4"}},{"id":824079,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-04-01T00:35:56.000Z","date":"2026-03-30","kind":"sale","planned":true,"acquired":false,"shares":44000,"price":8.0952,"value":356188.8,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Following the sales reported in this line item, Mr. Goel holds 2,362,194 shares of Class A Common Stock and Class B Common Stock, which figure does not reflect vested but unexercised options, unvested options, or unvested restricted stock units, each as of the date of filing.  The option award under which these shares were exercised expires on July 7, 2026."},{"field":"kind","element":"transactionCoding","label":"F3","text":"The sales reported in this line item were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 2, 2025."},{"field":"shares","element":"transactionShares","label":"F4","text":"These securities were transferred by the Reporting Person to The Goel Family Trust, of which the Reporting Person and his spouse are beneficiaries, and were sold by the Goel Family Trust as reported herein."},{"field":"price","element":"transactionPricePerShare","label":"F5","text":"Represents the weighted average sale price. The lowest price at which shares were sold was $7.89 and the highest price at which shares were sold was $8.33. The Reporting Person undertakes to provide upon request to the staff of the Securities and Exchange Commission, the Issuer or its stockholders, full information regarding the total number of shares sold at each separate price within the range set forth herein."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001833511-26-000012","document":"form4-04012026_120451.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000012/form4-04012026_120451.xml","form_type":"4"}},{"id":824078,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class A Common Stock","published_at":"2026-04-01T00:35:56.000Z","date":"2026-03-30","kind":"exercise","planned":true,"acquired":true,"shares":44000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":44000,"source":{"system":"sec-edgar","filing":"0001833511-26-000012","document":"form4-04012026_120451.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000012/form4-04012026_120451.xml","form_type":"4"}},{"id":848561,"issuer":{"id":364,"kind":"organization","name":"PubMatic, Inc.","symbol":"PUBM"},"owners":[{"id":20816,"kind":"person","name":"Goel Rajeev K.","position":1,"cik":"0001833511","reported_name":"Goel Rajeev K.","relationship":{"director":true,"officer":true,"ten_percent_owner":true,"other":false,"officer_title":"CHIEF EXECUTIVE OFFICER"}}],"security":"Class B Common Stock","published_at":"2026-03-11T22:10:16.000Z","date":"2026-03-09","kind":"exercise","planned":true,"acquired":false,"shares":44000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each share of Class B common stock held by the Issuer's executive officers, directors and their respective affiliates will convert automatically into one share of Class A common stock upon any transfer, except for certain permitted transfers."}],"balance_after":210984,"derivative":{"underlying":"Class A Common Stock","underlying_shares":44000},"source":{"system":"sec-edgar","filing":"0001833511-26-000010","document":"form4-03112026_100312.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1422930/000183351126000010/form4-03112026_100312.xml","form_type":"4"}}],"next_cursor":"2026-03-11T22:10:16.000000Z,848561"}