{"transactions":[{"id":2569509,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-09-15T16:12:46.000Z","date":"2021-09-14","kind":"sale","acquired":false,"shares":383,"price":28.5,"value":10915.5,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020."}],"balance_after":193757,"source":{"system":"sec-edgar","filing":"0001209191-21-056164","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121056164/doc4.xml","form_type":"4"}},{"id":2569508,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-09-15T16:12:46.000Z","date":"2021-09-13","kind":"tax_withholding","acquired":false,"shares":4260,"price":28.67,"value":122134.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units."}],"balance_after":194140,"source":{"system":"sec-edgar","filing":"0001209191-21-056164","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121056164/doc4.xml","form_type":"4"}},{"id":2611628,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-08-06T16:50:28.000Z","date":"2021-08-05","kind":"sale","acquired":false,"shares":207,"price":20.73,"value":4291.11,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020."}],"balance_after":198400,"source":{"system":"sec-edgar","filing":"0001209191-21-050201","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121050201/doc4.xml","form_type":"4"}},{"id":2611627,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-08-06T16:50:28.000Z","date":"2021-08-04","kind":"tax_withholding","acquired":false,"shares":2303,"price":20.83,"value":47971.49,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units."}],"balance_after":198607,"source":{"system":"sec-edgar","filing":"0001209191-21-050201","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121050201/doc4.xml","form_type":"4"}},{"id":2666468,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-06-16T18:09:45.000Z","date":"2021-06-15","kind":"sale","acquired":false,"shares":383,"price":17.3,"value":6625.9,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020."}],"balance_after":200910,"source":{"system":"sec-edgar","filing":"0001209191-21-041040","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121041040/doc4.xml","form_type":"4"}},{"id":2668620,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-06-15T17:35:05.000Z","date":"2021-06-13","kind":"tax_withholding","acquired":false,"shares":4261,"price":16.78,"value":71499.58,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units."}],"balance_after":201293,"source":{"system":"sec-edgar","filing":"0001209191-21-040667","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121040667/doc4.xml","form_type":"4"}},{"id":2725240,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-05-06T20:24:58.000Z","date":"2021-05-05","kind":"sale","acquired":false,"shares":829,"price":14.3674,"value":11910.5746,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"This transaction was executed in multiple trades at prices ranging from $14.31 to $14.55. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price."}],"balance_after":205554,"source":{"system":"sec-edgar","filing":"0001209191-21-030763","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121030763/doc4.xml","form_type":"4"}},{"id":2725239,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-05-06T20:24:58.000Z","date":"2021-05-04","kind":"tax_withholding","acquired":false,"shares":9213,"price":14.4,"value":132667.2,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units."}],"balance_after":206383,"source":{"system":"sec-edgar","filing":"0001209191-21-030763","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121030763/doc4.xml","form_type":"4"}},{"id":2786569,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-03-16T17:35:08.000Z","date":"2021-03-16","kind":"sale","acquired":false,"shares":1533,"price":15.45,"value":23684.85,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020."}],"balance_after":215596,"source":{"system":"sec-edgar","filing":"0001209191-21-020968","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121020968/doc4.xml","form_type":"4"}},{"id":2786568,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-03-16T17:35:08.000Z","date":"2021-03-13","kind":"tax_withholding","acquired":false,"shares":17045,"price":15.48,"value":263856.6,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents shares that have been withheld by the Issuer to satisfy tax withholding and remittance obligations in connection with the net settlement of restricted stock units."}],"balance_after":217129,"source":{"system":"sec-edgar","filing":"0001209191-21-020968","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121020968/doc4.xml","form_type":"4"}},{"id":2786567,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-03-16T17:27:02.000Z","date":"2021-02-17","kind":"sale","acquired":false,"shares":3853,"price":13.5537,"value":52222.4061,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The shares were sold pursuant to a Rule 10b5-1 trading plan entered into by the Reporting Person on December 16, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $13.24 to $13.805. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price."}],"balance_after":234174,"source":{"system":"sec-edgar","filing":"0001209191-21-020952","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121020952/doc4.xml","form_type":"4"}},{"id":2855246,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-02-17T20:18:03.000Z","date":"2021-02-12","kind":"tax_withholding","acquired":false,"shares":43382,"price":14.33,"value":621664.06,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"Represents shares that have been withheld by the Issuer to satisfy income tax withholding and remittance obligations in connection with the issuance of shares pursuant to performance share awards granted to the Reporting Person on May 4, 2020."}],"balance_after":238027,"source":{"system":"sec-edgar","filing":"0001209191-21-011573","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121011573/doc4.xml","form_type":"4"}},{"id":2855245,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2021-02-17T20:18:03.000Z","date":"2021-02-12","kind":"grant","acquired":true,"shares":81909,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the acquisition of shares upon the determination of the Compensation Committee of the Board of Directors of the Issuer that the performance conditions were met with respect to performance share awards granted to the Reporting Person on May 4, 2020."}],"balance_after":281409,"source":{"system":"sec-edgar","filing":"0001209191-21-011573","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919121011573/doc4.xml","form_type":"4"}},{"id":3159709,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2020-05-06T21:11:32.000Z","date":"2020-05-04","kind":"grant","acquired":true,"shares":70000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"These securities are restricted stock units (RSUs). Each RSU represents a contingent right to receive one share of Common Stock. One-fourth of the RSUs shall vest on May 4, 2021 and one-sixteenth of the RSUs shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date."}],"balance_after":199500,"source":{"system":"sec-edgar","filing":"0001209191-20-027570","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000120919120027570/doc4.xml","form_type":"4"}},{"id":3209159,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Stock Option (right to buy)","published_at":"2020-03-16T21:39:53.000Z","date":"2020-03-13","kind":"grant","acquired":true,"shares":140000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"One-fourth of the shares subject to the option vest on March 13, 2021 and the remaining shares vest in 12 equal quarterly installments thereafter."}],"balance_after":140000,"derivative":{"exercise_price":8.26,"expiration_date":"2030-03-12","underlying":"Common Stock","underlying_shares":140000},"source":{"system":"sec-edgar","filing":"0001213900-20-006609","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000121390020006609/ownership.xml","form_type":"4"}},{"id":3209158,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":135452,"kind":"person","name":"Kozyrkov Vadim","position":1,"cik":"0001805555","reported_name":"Kozyrkov Vadim","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"SVP of Engineering"}}],"security":"Common Stock","published_at":"2020-03-16T21:39:53.000Z","date":"2020-03-13","kind":"grant","acquired":true,"shares":129500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The reported shares are represented by restricted stock units, or RSUs, pursuant to which one-fourth of the RSUs vest on March 13, 2021 and the remaining RSUs vest in 12 equal quarterly installments thereafter."}],"balance_after":129500,"source":{"system":"sec-edgar","filing":"0001213900-20-006609","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1805555/000121390020006609/ownership.xml","form_type":"4"}}]}