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The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Includes 1,836 shares acquired under the Issuer's 2020 Employee Stock Purchase Plan on November 30, 2022."}],"balance_after":84302,"source":{"system":"sec-edgar","filing":"0001209191-23-003854","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1816598/000120919123003854/doc4.xml","form_type":"4"}},{"id":2052644,"issuer":{"id":6346,"kind":"organization","name":"Nkarta, Inc."},"owners":[{"id":69151,"kind":"person","name":"Mahmood Nadir","position":1,"cik":"0001816598","reported_name":"Mahmood Nadir","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2023-01-18T19:04:55.000Z","date":"2023-01-13","kind":"grant","acquired":true,"shares":37500,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\") which vest in four equal annual installments beginning on January 14, 2024. 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The Reporting Person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected."}],"balance_after":46088,"source":{"system":"sec-edgar","filing":"0000899243-22-026767","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1816598/000089924322026767/doc4.xml","form_type":"4"}},{"id":2201832,"issuer":{"id":6346,"kind":"organization","name":"Nkarta, Inc."},"owners":[{"id":69151,"kind":"person","name":"Mahmood Nadir","position":1,"cik":"0001816598","reported_name":"Mahmood Nadir","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2022-07-26T20:14:47.000Z","date":"2022-07-25","kind":"exercise","acquired":true,"shares":7500,"price":3.89,"value":29175.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in this Form 4 were effected automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person at least 30 days prior to the trade date."}],"balance_after":53588,"source":{"system":"sec-edgar","filing":"0000899243-22-026767","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1816598/000089924322026767/doc4.xml","form_type":"4"}},{"id":2225578,"issuer":{"id":6346,"kind":"organization","name":"Nkarta, Inc."},"owners":[{"id":69151,"kind":"person","name":"Mahmood Nadir","position":1,"cik":"0001816598","reported_name":"Mahmood Nadir","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Stock Option (right to buy)","published_at":"2022-06-21T19:09:55.000Z","date":"2022-06-17","kind":"grant","acquired":true,"shares":40000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"This option is scheduled to vest and become exercisable in 48 equal monthly installments occurring on the completion of each successive month of the Reporting Person's service to the Issuer following June 17, 2022."}],"balance_after":40000,"derivative":{"exercise_price":12.25,"expiration_date":"2032-06-16","underlying":"Common Stock","underlying_shares":40000},"source":{"system":"sec-edgar","filing":"0001209191-22-038530","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1816598/000120919122038530/doc4.xml","form_type":"4"}},{"id":2225577,"issuer":{"id":6346,"kind":"organization","name":"Nkarta, Inc."},"owners":[{"id":69151,"kind":"person","name":"Mahmood Nadir","position":1,"cik":"0001816598","reported_name":"Mahmood Nadir","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"See Remarks"}}],"security":"Common Stock","published_at":"2022-06-21T19:09:55.000Z","date":"2022-06-17","kind":"grant","acquired":true,"shares":6000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents Restricted Stock Units (\"RSUs\") which vest in four equal annual installments beginning on the first anniversary of the grant date. 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become exercisable in 48 equal monthly installments occurring on the completion of each successive month of the Reporting Person's service to the Issuer following October 2, 2020."}],"balance_after":50000,"derivative":{"exercise_price":29.97,"expiration_date":"2030-10-02","underlying":"Common Stock","underlying_shares":50000},"source":{"system":"sec-edgar","filing":"0000899243-20-027257","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1816598/000089924320027257/doc4.xml","form_type":"4"}},{"id":3084435,"issuer":{"id":6346,"kind":"organization","name":"Nkarta, Inc."},"owners":[{"id":69151,"kind":"person","name":"Mahmood Nadir","position":1,"cik":"0001816598","reported_name":"Mahmood Nadir","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Stock Option (right to 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Each grant, to the extent outstanding and otherwise unvested, will become fully vested should a \"change in control\" of the Issuer occur (as described in the applicable award agreement) or upon the Reporting Person's separation from service with the Issuer due to the Reporting Person's death or \"disability\" (as described in the applicable award agreement)."}],"balance_after":27600,"derivative":{"exercise_price":18,"expiration_date":"2030-06-30","underlying":"Common Stock","underlying_shares":27600},"source":{"system":"sec-edgar","filing":"0000899243-20-019038","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1816598/000089924320019038/doc4.xml","form_type":"4"}},{"id":3084434,"issuer":{"id":6346,"kind":"organization","name":"Nkarta, Inc."},"owners":[{"id":69151,"kind":"person","name":"Mahmood Nadir","position":1,"cik":"0001816598","reported_name":"Mahmood Nadir","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Business Officer"}}],"security":"Stock Option (right to buy)","published_at":"2020-07-13T21:51:39.000Z","date":"2020-07-09","kind":"grant","acquired":true,"shares":48400,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"This option vests and becomes exercisable in 48 equal monthly installments occurring on the completion of each successive month of the Reporting Person's service to the Issuer following July 9, 2020. Each grant, to the extent outstanding and otherwise unvested, will become fully vested should a \"change in control\" of the Issuer occur (as described in the applicable award agreement) or upon the Reporting Person's separation from service with the Issuer due to the Reporting Person's death or \"disability\" (as described in the applicable award agreement)."}],"balance_after":48400,"derivative":{"exercise_price":18,"expiration_date":"2030-07-08","underlying":"Common Stock","underlying_shares":48400},"source":{"system":"sec-edgar","filing":"0000899243-20-019038","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1816598/000089924320019038/doc4.xml","form_type":"4"}}]}