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Upon request by the SEC staff, the Issuer, or any security holder of the Issuer, full information regarding the number of shares sold at each separate price will be provided."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Includes the following shares acquired by the reporting person pursuant to the Issuer's Employee Stock Purchase Plan: 450 shares acquired in June 2020 and 343 shares acquired in December 2020."}],"balance_after":3496,"source":{"system":"sec-edgar","filing":"0001415889-21-001302","document":"form4-03032021_080311.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1326732/000141588921001302/form4-03032021_080311.xml","form_type":"4"}},{"id":3226849,"issuer":{"id":4487,"kind":"organization","name":"Xencor Inc"},"owners":[{"id":61990,"kind":"person","name":"Eckert Celia","position":1,"cik":"0001787397","reported_name":"Eckert Celia","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, General Counsel and Secy"}}],"security":"Stock Option (Right to Buy)","published_at":"2020-03-04T21:21:57.000Z","date":"2020-03-02","kind":"grant","acquired":true,"shares":18884,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"25% of the shares subject to the option shall vest on the one year anniversary of March 2, 2020 (the \"Vesting Commencement Date\") and 1/48th of the shares shall vest monthly thereafter, such that the option shall be fully vested on the four year anniversary of the Vesting Commencement Date."}],"balance_after":18884,"derivative":{"exercise_price":32.28,"expiration_date":"2030-03-01","underlying":"Common Stock","underlying_shares":18884},"source":{"system":"sec-edgar","filing":"0001209191-20-016071","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1326732/000120919120016071/doc4.xml","form_type":"4"}},{"id":3226848,"issuer":{"id":4487,"kind":"organization","name":"Xencor Inc"},"owners":[{"id":61990,"kind":"person","name":"Eckert Celia","position":1,"cik":"0001787397","reported_name":"Eckert Celia","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"VP, General Counsel and Secy"}}],"security":"Common Stock","published_at":"2020-03-04T21:21:57.000Z","date":"2020-03-02","kind":"grant","acquired":true,"shares":3147,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents restricted stock units that vest as follows: 1/3 of the shares vest on the first, second and third anniversaries of the date of grant."}],"balance_after":3147,"source":{"system":"sec-edgar","filing":"0001209191-20-016071","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1326732/000120919120016071/doc4.xml","form_type":"4"}}]}