{"transactions":[{"id":2220787,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2022-06-28T16:13:19.000Z","date":"2022-06-27","kind":"disposition_to_issuer","acquired":false,"shares":54776,"price":9.81,"value":537352.56,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"date","element":"transactionDate","label":"F2","text":"On May 11, 2022, Trecora Resources (the \"Issuer\") entered into an Agreement and Plan of Merger with the Balmoral Swan Parent, Inc., a Delaware corporation (the \"Parent\"), and Balmoral Swan MergerSub, Inc., a Delaware corporation (the \"Purchaser\") and a wholly owned subsidiary of Parent (the \"Merger Agreement\"). 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Such deferred cash awards will be payable on the earlier of January 20, 2023 or on a qualifying termination as prescribed by the Merger Agreement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Merger Agreement, each unvested restricted stock unit was automatically cancelled immediately prior to the Effective Time and converted into a deferred cash award equal to the product of (i) $9.81 multiplied by (ii) the number of shares of common stock underlying such restricted stock unit (with any such restricted stock unit that are subject to performance-based vesting being deemed earned assuming achievement of target performance), less any applicable withholding taxes.  Such deferred cash awards will be payable on the earlier of January 20, 2023 or on a qualifying termination as prescribed by the Merger Agreement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"Represents performance-based restricted stock units granted in 2022, which were originally scheduled to vest based on the achievement of certain performance criteria following a three year performance period that began on January 1, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Pursuant to the Merger Agreement, each unvested restricted stock unit was automatically cancelled immediately prior to the Effective Time and converted into a deferred cash award equal to the product of (i) $9.81 multiplied by (ii) the number of shares of common stock underlying such restricted stock unit (with any such restricted stock unit that are subject to performance-based vesting being deemed earned assuming achievement of target performance), less any applicable withholding taxes.  Such deferred cash awards will be payable on the earlier of January 20, 2023 or on a qualifying termination as prescribed by the Merger Agreement."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F9","text":"Represents performance-based restricted stock units granted in 2022, which were originally scheduled to vest based on the achievement of certain performance criteria following a three year performance period that began on January 1, 2022."}],"balance_after":0,"derivative":{"underlying":"Common stock","underlying_shares":54776},"source":{"system":"sec-edgar","filing":"0000007039-22-000075","document":"wf-form4_165644717693858.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703922000075/wf-form4_165644717693858.xml","form_type":"4"}},{"id":2220786,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2022-06-28T16:13:19.000Z","date":"2022-06-27","kind":"disposition_to_issuer","acquired":false,"shares":64328,"price":9.81,"value":631057.68,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"date","element":"transactionDate","label":"F2","text":"On May 11, 2022, Trecora Resources (the \"Issuer\") entered into an Agreement and Plan of Merger with the Balmoral Swan Parent, Inc., a Delaware corporation (the \"Parent\"), and Balmoral Swan MergerSub, Inc., a Delaware corporation (the \"Purchaser\") and a wholly owned subsidiary of Parent (the \"Merger Agreement\"). 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Such deferred cash awards will be payable on the earlier of January 20, 2023 or on a qualifying termination as prescribed by the Merger Agreement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Merger Agreement, each unvested restricted stock unit was automatically cancelled immediately prior to the Effective Time and converted into a deferred cash award equal to the product of (i) $9.81 multiplied by (ii) the number of shares of common stock underlying such restricted stock unit (with any such restricted stock unit that are subject to performance-based vesting being deemed earned assuming achievement of target performance), less any applicable withholding taxes.  Such deferred cash awards will be payable on the earlier of January 20, 2023 or on a qualifying termination as prescribed by the Merger Agreement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Represents performance-based restricted stock units granted in 2021, which were originally scheduled to vest based on the achievement of certain performance criteria following a three year performance period that began on January 1, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Pursuant to the Merger Agreement, each unvested restricted stock unit was automatically cancelled immediately prior to the Effective Time and converted into a deferred cash award equal to the product of (i) $9.81 multiplied by (ii) the number of shares of common stock underlying such restricted stock unit (with any such restricted stock unit that are subject to performance-based vesting being deemed earned assuming achievement of target performance), less any applicable withholding taxes.  Such deferred cash awards will be payable on the earlier of January 20, 2023 or on a qualifying termination as prescribed by the Merger Agreement."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F8","text":"Represents performance-based restricted stock units granted in 2021, which were originally scheduled to vest based on the achievement of certain performance criteria following a three year performance period that began on January 1, 2021."}],"balance_after":0,"derivative":{"underlying":"Common stock","underlying_shares":64328},"source":{"system":"sec-edgar","filing":"0000007039-22-000075","document":"wf-form4_165644717693858.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703922000075/wf-form4_165644717693858.xml","form_type":"4"}},{"id":2220785,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Restricted Stock Units","published_at":"2022-06-28T16:13:19.000Z","date":"2022-06-27","kind":"disposition_to_issuer","acquired":false,"shares":62306,"price":9.81,"value":611221.86,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Restricted stock units convert into common stock on a one-for-one basis."},{"field":"date","element":"transactionDate","label":"F2","text":"On May 11, 2022, Trecora Resources (the \"Issuer\") entered into an Agreement and Plan of Merger with the Balmoral Swan Parent, Inc., a Delaware corporation (the \"Parent\"), and Balmoral Swan MergerSub, Inc., a Delaware corporation (the \"Purchaser\") and a wholly owned subsidiary of Parent (the \"Merger Agreement\"). 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Such deferred cash awards will be payable on the earlier of January 20, 2023 or on a qualifying termination as prescribed by the Merger Agreement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to the Merger Agreement, each unvested restricted stock unit was automatically cancelled immediately prior to the Effective Time and converted into a deferred cash award equal to the product of (i) $9.81 multiplied by (ii) the number of shares of common stock underlying such restricted stock unit (with any such restricted stock unit that are subject to performance-based vesting being deemed earned assuming achievement of target performance), less any applicable withholding taxes.  Such deferred cash awards will be payable on the earlier of January 20, 2023 or on a qualifying termination as prescribed by the Merger Agreement."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F7","text":"Represents performance-based restricted stock units granted in 2020, which were originally scheduled to vest based on the achievement of certain performance criteria following a three year performance period that began on January 1, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Pursuant to the Merger Agreement, each unvested restricted stock unit was automatically cancelled immediately prior to the Effective Time and converted into a deferred cash award equal to the product of (i) $9.81 multiplied by (ii) the number of shares of common stock underlying such restricted stock unit (with any such restricted stock unit that are subject to performance-based vesting being deemed earned assuming achievement of target performance), less any applicable withholding taxes.  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The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":156923,"source":{"system":"sec-edgar","filing":"0000007039-20-000069","document":"wf-form4_158695061029599.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703920000069/wf-form4_158695061029599.xml","form_type":"4"}},{"id":3177594,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2020-04-14T09:19:35.000Z","date":"2020-04-13","kind":"purchase","acquired":true,"shares":7349,"price":5.244,"value":38538.156,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 12, 2020."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $5.07 to $5.37, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":146434,"source":{"system":"sec-edgar","filing":"0000007039-20-000067","document":"wf-form4_158687035809172.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703920000067/wf-form4_158687035809172.xml","form_type":"4"}},{"id":3269736,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"restricted stock units","published_at":"2020-02-18T17:34:44.000Z","date":"2020-02-15","kind":"exercise","acquired":false,"shares":14085,"price":6.49,"value":91411.65,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Granted as officer compensation. Converts into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"One half of award vests ratably over 3 years beginning with the first anniversary date of the grant date. The remaining 50% vest at the end of three years subject to performance criteria."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"One half of award vests ratably over 3 years beginning with the first anniversary date of the grant date. The remaining 50% vest at the end of three years subject to performance criteria."}],"balance_after":179412,"derivative":{"underlying":"Common stock","underlying_shares":14085},"source":{"system":"sec-edgar","filing":"0000007039-20-000024","document":"wf-form4_158206526695341.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703920000024/wf-form4_158206526695341.xml","form_type":"4"}},{"id":3269735,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"restricted stock units","published_at":"2020-02-18T17:34:44.000Z","date":"2020-02-13","kind":"grant","acquired":true,"shares":124615,"price":6.5,"value":809997.5,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Granted as officer compensation. Converts into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"One half of award vests ratably over 3 years beginning with the first anniversary date of the grant date. The remaining 50% vest at the end of three years subject to performance criteria."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"One half of award vests ratably over 3 years beginning with the first anniversary date of the grant date. The remaining 50% vest at the end of three years subject to performance criteria."}],"balance_after":193497,"derivative":{"underlying":"Common stock","underlying_shares":124615},"source":{"system":"sec-edgar","filing":"0000007039-20-000024","document":"wf-form4_158206526695341.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703920000024/wf-form4_158206526695341.xml","form_type":"4"}},{"id":3269734,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2020-02-18T17:34:44.000Z","date":"2020-02-15","kind":"exercise","acquired":true,"shares":14085,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Granted as officer compensation. 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Converts into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Partial vesting of time vested restricted stock units which were granted on 12/03/18. 25,000 shares each vest on 12/03/19, 12/03/20, and 12/03/21."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Partial vesting of time vested restricted stock units which were granted on 12/03/18. 25,000 shares each vest on 12/03/19, 12/03/20, and 12/03/21."}],"balance_after":68882,"derivative":{"underlying":"Common stock","underlying_shares":25000},"source":{"system":"sec-edgar","filing":"0000007039-19-000197","document":"wf-form4_157550012842107.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000197/wf-form4_157550012842107.xml","form_type":"4"}},{"id":3353584,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-12-04T17:55:45.000Z","date":"2019-12-03","kind":"exercise","acquired":true,"shares":25000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":125000,"source":{"system":"sec-edgar","filing":"0000007039-19-000197","document":"wf-form4_157550012842107.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000197/wf-form4_157550012842107.xml","form_type":"4"}},{"id":3498288,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-06-07T17:20:44.000Z","date":"2019-06-07","kind":"purchase","acquired":true,"shares":353,"price":9.6,"value":3388.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."}],"balance_after":100000,"source":{"system":"sec-edgar","filing":"0000007039-19-000136","document":"wf-form4_155994242923665.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000136/wf-form4_155994242923665.xml","form_type":"4"}},{"id":3499857,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-06-06T16:30:46.000Z","date":"2019-06-06","kind":"purchase","acquired":true,"shares":2242,"price":9.5473,"value":21405.0466,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.48 to $9.60, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (4) to this Form 4."}],"balance_after":99647,"source":{"system":"sec-edgar","filing":"0000007039-19-000132","document":"wf-form4_155985302989538.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000132/wf-form4_155985302989538.xml","form_type":"4"}},{"id":3499856,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-06-06T16:30:46.000Z","date":"2019-06-05","kind":"purchase","acquired":true,"shares":3200,"price":9.6203,"value":30784.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.51 to $9.78, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":97405,"source":{"system":"sec-edgar","filing":"0000007039-19-000132","document":"wf-form4_155985302989538.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000132/wf-form4_155985302989538.xml","form_type":"4"}},{"id":3499855,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-06-06T16:30:46.000Z","date":"2019-06-04","kind":"purchase","acquired":true,"shares":1947,"price":9.7889,"value":19058.9883,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.73 to $9.84, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":94205,"source":{"system":"sec-edgar","filing":"0000007039-19-000132","document":"wf-form4_155985302989538.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000132/wf-form4_155985302989538.xml","form_type":"4"}},{"id":3505970,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-06-03T16:42:11.000Z","date":"2019-06-03","kind":"purchase","acquired":true,"shares":2258,"price":9.5103,"value":21474.2574,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.40 to $9.59, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":92258,"source":{"system":"sec-edgar","filing":"0000007039-19-000130","document":"wf-form4_155959451668331.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000130/wf-form4_155959451668331.xml","form_type":"4"}},{"id":3505969,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-06-03T16:42:11.000Z","date":"2019-05-31","kind":"purchase","acquired":true,"shares":1525,"price":9.482,"value":14460.05,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.44 to $9.52, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":90000,"source":{"system":"sec-edgar","filing":"0000007039-19-000130","document":"wf-form4_155959451668331.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000130/wf-form4_155959451668331.xml","form_type":"4"}},{"id":3508277,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-30T17:40:09.000Z","date":"2019-05-30","kind":"purchase","acquired":true,"shares":2100,"price":9.6376,"value":20238.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.57 to $9.70, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (4) to this Form 4."}],"balance_after":88475,"source":{"system":"sec-edgar","filing":"0000007039-19-000128","document":"wf-form4_155925239495412.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000128/wf-form4_155925239495412.xml","form_type":"4"}},{"id":3508276,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-30T17:40:09.000Z","date":"2019-05-29","kind":"purchase","acquired":true,"shares":1299,"price":9.6185,"value":12494.4315,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.59 to $9.69, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":86375,"source":{"system":"sec-edgar","filing":"0000007039-19-000128","document":"wf-form4_155925239495412.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000128/wf-form4_155925239495412.xml","form_type":"4"}},{"id":3508275,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-30T17:40:09.000Z","date":"2019-05-28","kind":"purchase","acquired":true,"shares":5076,"price":9.7484,"value":49482.8784,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.68 to $9.79, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":85076,"source":{"system":"sec-edgar","filing":"0000007039-19-000128","document":"wf-form4_155925239495412.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000128/wf-form4_155925239495412.xml","form_type":"4"}},{"id":3516326,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-22T14:40:36.000Z","date":"2019-05-22","kind":"purchase","acquired":true,"shares":43,"price":9.99,"value":429.57,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."}],"balance_after":80000,"source":{"system":"sec-edgar","filing":"0000007039-19-000122","document":"wf-form4_155855042188834.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000122/wf-form4_155855042188834.xml","form_type":"4"}},{"id":3516325,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-22T14:40:36.000Z","date":"2019-05-21","kind":"purchase","acquired":true,"shares":3957,"price":9.9786,"value":39485.3202,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.91 to $10.01, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":79957,"source":{"system":"sec-edgar","filing":"0000007039-19-000122","document":"wf-form4_155855042188834.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000122/wf-form4_155855042188834.xml","form_type":"4"}},{"id":3516324,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-22T14:40:36.000Z","date":"2019-05-20","kind":"purchase","acquired":true,"shares":6000,"price":9.9118,"value":59470.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.77 to $10.00, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":76000,"source":{"system":"sec-edgar","filing":"0000007039-19-000122","document":"wf-form4_155855042188834.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000122/wf-form4_155855042188834.xml","form_type":"4"}},{"id":3525421,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-16T17:20:35.000Z","date":"2019-05-16","kind":"purchase","acquired":true,"shares":1073,"price":10.0019,"value":10732.0387,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.99 to $10.01, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":70000,"source":{"system":"sec-edgar","filing":"0000007039-19-000111","document":"wf-form4_155804162001352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000111/wf-form4_155804162001352.xml","form_type":"4"}},{"id":3525420,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-16T17:20:35.000Z","date":"2019-05-15","kind":"purchase","acquired":true,"shares":4054,"price":9.9867,"value":40486.0818,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.80 to $10.01, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":68927,"source":{"system":"sec-edgar","filing":"0000007039-19-000111","document":"wf-form4_155804162001352.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000111/wf-form4_155804162001352.xml","form_type":"4"}},{"id":3529062,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-14T17:12:52.000Z","date":"2019-05-13","kind":"purchase","acquired":true,"shares":1650,"price":9.8041,"value":16176.765,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.68 to $9.90, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":64873,"source":{"system":"sec-edgar","filing":"0000007039-19-000109","document":"wf-form4_155786835819765.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000109/wf-form4_155786835819765.xml","form_type":"4"}},{"id":3529061,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-14T17:12:52.000Z","date":"2019-05-13","kind":"purchase","acquired":true,"shares":3223,"price":9.6412,"value":31073.5876,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.53 to $9.96, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":63223,"source":{"system":"sec-edgar","filing":"0000007039-19-000109","document":"wf-form4_155786835819765.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000109/wf-form4_155786835819765.xml","form_type":"4"}},{"id":3537581,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-07T17:01:46.000Z","date":"2019-05-07","kind":"purchase","acquired":true,"shares":4743,"price":10.1783,"value":48275.6769,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.60 to $10.49, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":60000,"source":{"system":"sec-edgar","filing":"0000007039-19-000096","document":"wf-form4_155726289145882.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000096/wf-form4_155726289145882.xml","form_type":"4"}},{"id":3537580,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-07T17:01:46.000Z","date":"2019-05-06","kind":"purchase","acquired":true,"shares":5257,"price":9.4938,"value":49908.9066,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.38 to $9.66, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":55257,"source":{"system":"sec-edgar","filing":"0000007039-19-000096","document":"wf-form4_155726289145882.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000096/wf-form4_155726289145882.xml","form_type":"4"}},{"id":3545240,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-01T16:59:53.000Z","date":"2019-04-29","kind":"purchase","acquired":true,"shares":2254,"price":9.35,"value":21074.9,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.27 to $9.39, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":50000,"source":{"system":"sec-edgar","filing":"0000007039-19-000088","document":"wf-form4_155674437857045.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000088/wf-form4_155674437857045.xml","form_type":"4"}},{"id":3545239,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-05-01T16:59:53.000Z","date":"2019-04-29","kind":"purchase","acquired":true,"shares":7746,"price":9.2995,"value":72033.927,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.23 to $9.39, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":47746,"source":{"system":"sec-edgar","filing":"0000007039-19-000088","document":"wf-form4_155674437857045.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000088/wf-form4_155674437857045.xml","form_type":"4"}},{"id":3551317,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-23T16:21:52.000Z","date":"2019-04-23","kind":"purchase","acquired":true,"shares":654,"price":9.5494,"value":6245.3076,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.45 to $9.56, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":40000,"source":{"system":"sec-edgar","filing":"0000007039-19-000082","document":"wf-form4_155605089685769.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000082/wf-form4_155605089685769.xml","form_type":"4"}},{"id":3551316,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-23T16:21:52.000Z","date":"2019-04-22","kind":"purchase","acquired":true,"shares":9346,"price":9.5723,"value":89462.7158,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.37 to $9.81, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":39346,"source":{"system":"sec-edgar","filing":"0000007039-19-000082","document":"wf-form4_155605089685769.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000082/wf-form4_155605089685769.xml","form_type":"4"}},{"id":3554878,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-17T17:22:03.000Z","date":"2019-04-17","kind":"purchase","acquired":true,"shares":406,"price":9.7065,"value":3940.839,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.64 to $9.73, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (4) to this Form 4."}],"balance_after":30000,"source":{"system":"sec-edgar","filing":"0000007039-19-000076","document":"wf-form4_155553610927100.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000076/wf-form4_155553610927100.xml","form_type":"4"}},{"id":3554877,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-17T17:22:03.000Z","date":"2019-04-16","kind":"purchase","acquired":true,"shares":2584,"price":9.5856,"value":24769.1904,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.51 to $9.63, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":29594,"source":{"system":"sec-edgar","filing":"0000007039-19-000076","document":"wf-form4_155553610927100.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000076/wf-form4_155553610927100.xml","form_type":"4"}},{"id":3554876,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-17T17:22:03.000Z","date":"2019-04-15","kind":"purchase","acquired":true,"shares":7010,"price":9.317,"value":65312.17,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.08 to $9.52, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":27010,"source":{"system":"sec-edgar","filing":"0000007039-19-000076","document":"wf-form4_155553610927100.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000076/wf-form4_155553610927100.xml","form_type":"4"}},{"id":3557271,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-12T17:20:15.000Z","date":"2019-04-12","kind":"purchase","acquired":true,"shares":53,"price":9.21,"value":488.13,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."}],"balance_after":20000,"source":{"system":"sec-edgar","filing":"0000007039-19-000069","document":"wf-form4_155510399963797.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000069/wf-form4_155510399963797.xml","form_type":"4"}},{"id":3557270,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-12T17:20:15.000Z","date":"2019-04-11","kind":"purchase","acquired":true,"shares":2995,"price":9.0945,"value":27238.0275,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.04 to $9.14, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":19947,"source":{"system":"sec-edgar","filing":"0000007039-19-000069","document":"wf-form4_155510399963797.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000069/wf-form4_155510399963797.xml","form_type":"4"}},{"id":3559012,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-10T17:09:09.000Z","date":"2019-04-10","kind":"purchase","acquired":true,"shares":2098,"price":9.0818,"value":19053.6164,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $8.99 to $9.12, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (4) to this Form 4."}],"balance_after":16952,"source":{"system":"sec-edgar","filing":"0000007039-19-000063","document":"wf-form4_155493053512982.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000063/wf-form4_155493053512982.xml","form_type":"4"}},{"id":3559011,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-10T17:09:09.000Z","date":"2019-04-09","kind":"purchase","acquired":true,"shares":2303,"price":9.0883,"value":20930.3549,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.00 to $9.11, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (3) to this Form 4."}],"balance_after":14854,"source":{"system":"sec-edgar","filing":"0000007039-19-000063","document":"wf-form4_155493053512982.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000063/wf-form4_155493053512982.xml","form_type":"4"}},{"id":3559010,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-10T17:09:09.000Z","date":"2019-04-08","kind":"purchase","acquired":true,"shares":2551,"price":9.1972,"value":23462.0572,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $9.13 to $9.25, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":12551,"source":{"system":"sec-edgar","filing":"0000007039-19-000063","document":"wf-form4_155493053512982.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000063/wf-form4_155493053512982.xml","form_type":"4"}},{"id":3559001,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"restricted stock units","published_at":"2019-04-10T17:06:53.000Z","date":"2019-02-15","kind":"grant","acquired":true,"shares":84507,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Granted as officer compensation. Converts into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"One half of award vests ratably over 3 years beginning with the first anniversary date of the grant date. The remaining 50% vest at the end of three years subject to performance criteria."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"One half of award vests ratably over 3 years beginning with the first anniversary date of the grant date. The remaining 50% vest at the end of three years subject to performance criteria."}],"balance_after":93882,"derivative":{"underlying":"Common stock","underlying_shares":84507},"source":{"system":"sec-edgar","filing":"0000007039-19-000057","document":"wf-form4_155493039807575.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000057/wf-form4_155493039807575.xml","form_type":"4"}},{"id":3571330,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-02T17:29:00.000Z","date":"2019-04-02","kind":"purchase","acquired":true,"shares":630,"price":9.1,"value":5733.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."}],"balance_after":10000,"source":{"system":"sec-edgar","filing":"0000007039-19-000036","document":"wf-form4_155424052377400.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000036/wf-form4_155424052377400.xml","form_type":"4"}},{"id":3571329,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"President and CEO"}}],"security":"Common stock","published_at":"2019-04-02T17:29:00.000Z","date":"2019-04-01","kind":"purchase","acquired":true,"shares":9370,"price":9.2878,"value":87026.686,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The purchase reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the reporting person on March 14, 2019."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.15 to $9.37, inclusive. The reporting person undertakes to provide to Trecora Resources, any security holder of Trecora Resources, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4."}],"balance_after":9370,"source":{"system":"sec-edgar","filing":"0000007039-19-000036","document":"wf-form4_155424052377400.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703919000036/wf-form4_155424052377400.xml","form_type":"4"}},{"id":3826900,"issuer":{"id":125810,"kind":"organization","name":"TRECORA RESOURCES","symbol":"TREC"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"restricted stock units","published_at":"2018-09-05T16:59:48.000Z","date":"2018-09-01","kind":"grant","acquired":true,"shares":9375,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Granted as director compensation. Converts into common stock on a one-for-one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Time vesting restricted stock units vest on September 1 of each year."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Time vesting restricted stock units vest on September 1 of each year."}],"balance_after":9375,"derivative":{"underlying":"common stock","underlying_shares":9375},"source":{"system":"sec-edgar","filing":"0000007039-18-000043","document":"wf-form4_153618117264677.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/7039/000000703918000043/wf-form4_153618117264677.xml","form_type":"4"}},{"id":4112200,"issuer":{"id":3922,"kind":"organization","name":"Celanese Corp","symbol":"CE"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick 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The remaining 3,075 PRSUs will vest in full on January 1, 2018."}],"balance_after":70793,"source":{"system":"sec-edgar","filing":"0001306830-17-000068","document":"wf-form4_148736917454414.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1500244/000130683017000068/wf-form4_148736917454414.xml","form_type":"4"}},{"id":4525584,"issuer":{"id":3922,"kind":"organization","name":"Celanese Corp","symbol":"CE"},"owners":[{"id":125813,"kind":"person","name":"Quarles Patrick D.","position":1,"cik":"0001500244","reported_name":"Quarles Patrick D.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP & President, Acetyl Chain"}}],"security":"Series A Common Stock","published_at":"2016-12-12T16:48:15.000Z","date":"2016-12-08","kind":"grant","acquired":true,"shares":15020,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Time-based restricted stock units (\"RSUs\") granted pursuant to the Company's 2009 Global Incentive Plan.  Each RSU represents the right to receive one share of Series A Common Stock.  The RSUs will vest, subject to continued employment, with respect to 33% of the RSUs on each of December 8, 2017 and December 8, 2018, and with respect to 34% of the RSUs on December 8, 2019."}],"balance_after":64643,"source":{"system":"sec-edgar","filing":"0001306830-16-000446","document":"wf-form4_148157928256583.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1500244/000130683016000446/wf-form4_148157928256583.xml","form_type":"4"}}]}