{"transactions":[{"id":957860,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":70805,"kind":"person","name":"Nicolet Patrick","position":1,"cik":"0001910862","reported_name":"Nicolet Patrick","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-12-29T23:08:42.000Z","date":"2025-12-23","kind":"grant","planned":false,"acquired":true,"shares":4347,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"These securities are RSUs, each of which represents a contingent right to receive one share of Common Stock. One-quarter of the RSUs shall vest on March 23, 2026 and one-quarter shall vest on each three-month anniversary thereafter, subject to the Reporting Person continuing as a service provider in the same Grid Dynamics Holdings, Inc. board of directors and (if applicable) board committee roles through each such date."}],"balance_after":32831,"source":{"system":"sec-edgar","filing":"0000899140-25-001476","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1743725/000089914025001476/form4.xml","form_type":"4"}},{"id":957859,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":70805,"kind":"person","name":"Nicolet Patrick","position":1,"cik":"0001910862","reported_name":"Nicolet Patrick","relationship":{"director":true}}],"security":"Common Stock","published_at":"2025-12-29T23:08:42.000Z","date":"2025-12-23","kind":"grant","planned":false,"acquired":true,"shares":8152,"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. 100% of the RSUs shall vest on December 23, 2026, subject to the Reporting Person continuing as a service provider through such date."}],"balance_after":28484,"source":{"system":"sec-edgar","filing":"0000899140-25-001476","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1743725/000089914025001476/form4.xml","form_type":"4"}},{"id":1321425,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":70805,"kind":"person","name":"Nicolet Patrick","position":1,"cik":"0001910862","reported_name":"Nicolet Patrick","relationship":{"director":true}}],"security":"Common Stock","published_at":"2024-12-27T01:25:47.000Z","date":"2024-12-23","kind":"grant","planned":true,"acquired":true,"shares":3672,"price":20.42,"value":74982.24,"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. 100% of the RSUs shall vest on December 23, 2025, subject to the Reporting Person continuing as a service provider through such date."}],"balance_after":20332,"source":{"system":"sec-edgar","filing":"0000899140-24-001400","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1743725/000089914024001400/form4.xml","form_type":"4"}},{"id":1699945,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":70805,"kind":"person","name":"Nicolet Patrick","position":1,"cik":"0001910862","reported_name":"Nicolet Patrick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-12-27T01:58:10.000Z","date":"2023-12-19","kind":"grant","planned":false,"acquired":true,"shares":5559,"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. 100% of the RSUs shall vest on December 19, 2024, subject to the Reporting Person continuing as a service provider through such date."}],"balance_after":16660,"source":{"system":"sec-edgar","filing":"0001209191-23-059732","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1743725/000120919123059732/doc4.xml","form_type":"4"}},{"id":1725010,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":70805,"kind":"person","name":"Nicolet Patrick","position":1,"cik":"0001910862","reported_name":"Nicolet Patrick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2023-12-01T21:23:18.000Z","date":"2023-11-29","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":13.0017,"value":130017.0,"ownership":{"direct":false,"nature":"See footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the sale of shares that the Reporting Person previously distributed, without consideration and in accordance with relevant agreements, in transactions exempt under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"This transaction was executed in multiple trades at prices ranging from $13.00 to $13.065. 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."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Represents the sale of shares that the Reporting Person previously distributed, without consideration and in accordance with relevant agreements, in transactions exempt under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0001209191-23-057072","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1743725/000120919123057072/doc4.xml","form_type":"4"}},{"id":2075904,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":70805,"kind":"person","name":"Nicolet Patrick","position":1,"cik":"0001910862","reported_name":"Nicolet Patrick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-12-27T22:56:49.000Z","date":"2022-12-22","kind":"grant","acquired":true,"shares":6811,"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. 100% of the RSUs shall vest on December 22, 2023, subject to the Reporting Person continuing as a service provider through such date."}],"balance_after":21101,"source":{"system":"sec-edgar","filing":"0001209191-22-062733","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1743725/000120919122062733/doc4.xml","form_type":"4"}},{"id":2269732,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":70805,"kind":"person","name":"Nicolet Patrick","position":1,"cik":"0001910862","reported_name":"Nicolet Patrick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-05-16T23:33:50.000Z","date":"2022-05-12","kind":"purchase","acquired":true,"shares":10000,"price":16.4248,"value":164248.0,"ownership":{"direct":true},"balance_after":14290,"source":{"system":"sec-edgar","filing":"0001209191-22-029380","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1743725/000120919122029380/doc4.xml","form_type":"4"}},{"id":2371297,"issuer":{"id":2031,"kind":"organization","name":"GRID DYNAMICS HOLDINGS, INC.","symbol":"GDYN"},"owners":[{"id":70805,"kind":"person","name":"Nicolet Patrick","position":1,"cik":"0001910862","reported_name":"Nicolet Patrick","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2022-02-25T21:57:52.000Z","date":"2022-02-23","kind":"grant","acquired":true,"shares":4290,"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. 100% of the RSUs shall vest on February 23, 2023, subject to the Reporting Person continuing as a service provider through such date."}],"balance_after":4290,"source":{"system":"sec-edgar","filing":"0001209191-22-013228","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1743725/000120919122013228/doc4.xml","form_type":"4"}}]}