{"transactions":[{"id":3834334,"issuer":{"id":7682,"kind":"organization","name":"PARKERVISION INC"},"owners":[{"id":164049,"kind":"person","name":"HIGHTOWER WILLIAM A","position":1,"cik":"0001081790","reported_name":"HIGHTOWER WILLIAM A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted stock units","published_at":"2018-08-24T20:26:07.000Z","date":"2018-08-15","kind":"exercise","acquired":false,"shares":75757,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each restricted stock unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each restricted stock unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Each restricted stock unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."}],"balance_after":0,"derivative":{"exercise_date":"2018-08-15","underlying":"Common stock","underlying_shares":75757},"source":{"system":"sec-edgar","filing":"0001562762-18-000268","document":"certent-form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/914139/000156276218000268/certent-form4.xml","form_type":"4"}},{"id":3834333,"issuer":{"id":7682,"kind":"organization","name":"PARKERVISION INC"},"owners":[{"id":164049,"kind":"person","name":"HIGHTOWER WILLIAM A","position":1,"cik":"0001081790","reported_name":"HIGHTOWER WILLIAM A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted stock units","published_at":"2018-08-24T20:26:07.000Z","date":"2018-08-15","kind":"exercise","acquired":true,"shares":75757,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares granted on August 15, 2017 in accordance with director equity compensation program."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each restricted stock unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."}],"balance_after":106172,"source":{"system":"sec-edgar","filing":"0001562762-18-000268","document":"certent-form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/914139/000156276218000268/certent-form4.xml","form_type":"4"}},{"id":4231304,"issuer":{"id":7682,"kind":"organization","name":"PARKERVISION INC"},"owners":[{"id":164049,"kind":"person","name":"HIGHTOWER WILLIAM A","position":1,"cik":"0001081790","reported_name":"HIGHTOWER WILLIAM A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted stock units","published_at":"2017-08-17T20:58:03.000Z","date":"2017-08-15","kind":"exercise","acquired":false,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each Restricted Stock Unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."}],"balance_after":0,"derivative":{"exercise_date":"2017-08-15","underlying":"Common stock","underlying_shares":20000},"source":{"system":"sec-edgar","filing":"0000914139-17-000079","document":"certent-form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/914139/000091413917000079/certent-form4.xml","form_type":"4"}},{"id":4231303,"issuer":{"id":7682,"kind":"organization","name":"PARKERVISION INC"},"owners":[{"id":164049,"kind":"person","name":"HIGHTOWER WILLIAM A","position":1,"cik":"0001081790","reported_name":"HIGHTOWER WILLIAM A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted stock units","published_at":"2017-08-17T20:58:03.000Z","date":"2017-08-15","kind":"grant","acquired":true,"shares":75757,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Grant awarded in accordance with the director equity compensation program for the 2017 - 2018 board service and vests in full on August 15, 2018."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each Restricted Stock Unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."}],"balance_after":75757,"derivative":{"underlying":"Common stock","underlying_shares":75757},"source":{"system":"sec-edgar","filing":"0000914139-17-000079","document":"certent-form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/914139/000091413917000079/certent-form4.xml","form_type":"4"}},{"id":4231302,"issuer":{"id":7682,"kind":"organization","name":"PARKERVISION INC"},"owners":[{"id":164049,"kind":"person","name":"HIGHTOWER WILLIAM A","position":1,"cik":"0001081790","reported_name":"HIGHTOWER WILLIAM A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common stock","published_at":"2017-08-17T20:58:03.000Z","date":"2017-08-15","kind":"exercise","acquired":true,"shares":20000,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each Restricted Stock Unit (RSU) entitles the holder to one share of PRKR common stock upon vesting."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Shares granted on August 15, 2016 in accordance with director equity compensation program."}],"balance_after":30415,"source":{"system":"sec-edgar","filing":"0000914139-17-000079","document":"certent-form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/914139/000091413917000079/certent-form4.xml","form_type":"4"}},{"id":4450900,"issuer":{"id":7682,"kind":"organization","name":"PARKERVISION INC"},"owners":[{"id":164049,"kind":"person","name":"HIGHTOWER WILLIAM A","position":1,"cik":"0001081790","reported_name":"HIGHTOWER WILLIAM A","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Common Stock","published_at":"2017-02-14T21:34:59.000Z","date":"2016-12-28","kind":"gift","acquired":false,"shares":20000,"price":2.03,"value":40600.0,"ownership":{"direct":true},"balance_after":10415,"source":{"system":"sec-edgar","filing":"0000914139-17-000006","document":"certent-form5.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/914139/000091413917000006/certent-form5.xml","form_type":"5"}}]}