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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":"F2","text":"Includes 388 shares of Common Stock that were acquired by the Reporting Person on June 10, 2016, 399 shares of Common Stock that were acquired by the Reporting Person on December 9, 2016, 429 shares of Common Stock that were acquired by the Reporting Person on June 10, 2017, 436 shares of Common Stock that were acquired by the Reporting Person on December 10, 2017 and 287 shares of Common Stock that were acquired by the Reporting Person on June 8, 2018 pursuant to the Issuer's Employee Stock Purchase Plan."}],"balance_after":293067,"source":{"system":"sec-edgar","filing":"0001209191-18-038211","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1326732/000120919118038211/doc4.xml","form_type":"4"}},{"id":4087950,"issuer":{"id":4487,"kind":"organization","name":"Xencor Inc"},"owners":[{"id":32815,"kind":"person","name":"Dahiyat Bassil I","position":1,"cik":"0001591312","reported_name":"Dahiyat Bassil I","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2018-01-27T00:24:17.000Z","date":"2018-01-24","kind":"grant","acquired":true,"shares":215000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"25% of the shares subject to the option shall vest on the one year anniversary of January 24, 2018 (the \"Vesting Commencement Date\"), and 1/48th of the shares shall vest monthly thereafter, such that the option shall be fully vested and exercisable on the four year anniversary of the Vesting Commencement Date."}],"balance_after":215000,"derivative":{"exercise_price":23.4,"expiration_date":"2028-01-23","underlying":"Common Stock","underlying_shares":215000},"source":{"system":"sec-edgar","filing":"0001209191-18-005733","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1326732/000120919118005733/doc4.xml","form_type":"4"}},{"id":4473235,"issuer":{"id":4487,"kind":"organization","name":"Xencor Inc"},"owners":[{"id":32815,"kind":"person","name":"Dahiyat Bassil I","position":1,"cik":"0001591312","reported_name":"Dahiyat Bassil I","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Stock Option (right to buy)","published_at":"2017-02-02T01:59:46.000Z","date":"2017-01-30","kind":"grant","acquired":true,"shares":250000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"25% of the shares subject to the option shall vest on the one year anniversary of January 30, 2017 (the \"Vesting Commencement Date\"), and 1/48th of the shares shall vest monthly thereafter, such that the option shall be fully vested and exercisable on the four year anniversary of the Vesting Commencement Date."}],"balance_after":250000,"derivative":{"exercise_price":22.55,"expiration_date":"2027-01-29","underlying":"Common Stock","underlying_shares":250000},"source":{"system":"sec-edgar","filing":"0001209191-17-006893","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1326732/000120919117006893/doc4.xml","form_type":"4"}}]}