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For Board service, Mr. Meeusen received an initial grant of 25,000 restricted shares of common stock which shall vest annually in equal installments over a three year period."}],"balance_after":25000,"source":{"system":"sec-edgar","filing":"0001437749-20-018922","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1081639/000143774920018922/rdgdoc.xml","form_type":"4"}},{"id":3192010,"issuer":{"id":7695,"kind":"organization","name":"LIQTECH INTERNATIONAL INC"},"owners":[{"id":150272,"kind":"person","name":"Toftegaard Claus","position":1,"cik":"0001787227","reported_name":"Toftegaard Claus","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Stock 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(SSFQP), Special Situations Cayman Fund, L.P. (CAY), Special Situations Technology Fund, L.P. (TECH) and Special Situations Technology Fund II, L.P. (TECH II and together with SSFQP, CAY and TECH, the Funds).  As the investment adviser to the Funds, AWM holds sole voting and investment power over 654,846 shares of Common Stock of the Issuer (the Shares) held by SSFQP, 219,896 Shares held by CAY, 171,998 Shares held by TECH and 996,550 Shares held by TECH II."},{"field":"shares","element":"transactionShares","label":"F3","text":"Austin W. Marxe (Marxe), David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are the controlling principals of AWM.\nThe reporting person disclaims beneficial ownership of the Shares, except to the extent of its pecuniary interest therein. This report shall not\nbe deemed an admission that the reporting person is the beneficial owner of the securities reported herein for purposes of Section 16 of the\nSecurities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This is a weighted average price."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"AWM Investment Company, Inc., a Delaware corporation (AWM), is the investment adviser to Special Situations Fund III QP, L.P. (SSFQP), Special Situations Cayman Fund, L.P. (CAY), Special Situations Technology Fund, L.P. (TECH) and Special Situations Technology Fund II, L.P. (TECH II and together with SSFQP, CAY and TECH, the Funds).  As the investment adviser to the Funds, AWM holds sole voting and investment power over 654,846 shares of Common Stock of the Issuer (the Shares) held by SSFQP, 219,896 Shares held by CAY, 171,998 Shares held by TECH and 996,550 Shares held by TECH II."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Austin W. Marxe (Marxe), David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are the controlling principals of AWM.\nThe reporting person disclaims beneficial ownership of the Shares, except to the extent of its pecuniary interest therein. This report shall not\nbe deemed an admission that the reporting person is the beneficial owner of the securities reported herein for purposes of Section 16 of the\nSecurities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F2","text":"AWM Investment Company, Inc., a Delaware corporation (AWM), is the investment adviser to Special Situations Fund III QP, L.P. (SSFQP), Special Situations Cayman Fund, L.P. (CAY), Special Situations Technology Fund, L.P. (TECH) and Special Situations Technology Fund II, L.P. (TECH II and together with SSFQP, CAY and TECH, the Funds).  As the investment adviser to the Funds, AWM holds sole voting and investment power over 654,846 shares of Common Stock of the Issuer (the Shares) held by SSFQP, 219,896 Shares held by CAY, 171,998 Shares held by TECH and 996,550 Shares held by TECH II."},{"field":"ownership.direct","element":"directOrIndirectOwnership","label":"F3","text":"Austin W. Marxe (Marxe), David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are the controlling principals of AWM.\nThe reporting person disclaims beneficial ownership of the Shares, except to the extent of its pecuniary interest therein. This report shall not\nbe deemed an admission that the reporting person is the beneficial owner of the securities reported herein for purposes of Section 16 of the\nSecurities Exchange Act of 1934, as amended, or for any other purpose."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"AWM Investment Company, Inc., a Delaware corporation (AWM), is the investment adviser to Special Situations Fund III QP, L.P. (SSFQP), Special Situations Cayman Fund, L.P. (CAY), Special Situations Technology Fund, L.P. (TECH) and Special Situations Technology Fund II, L.P. (TECH II and together with SSFQP, CAY and TECH, the Funds).  As the investment adviser to the Funds, AWM holds sole voting and investment power over 654,846 shares of Common Stock of the Issuer (the Shares) held by SSFQP, 219,896 Shares held by CAY, 171,998 Shares held by TECH and 996,550 Shares held by TECH II."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Austin W. Marxe (Marxe), David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are the controlling principals of AWM.\nThe reporting person disclaims beneficial ownership of the Shares, except to the extent of its pecuniary interest therein. This report shall not\nbe deemed an admission that the reporting person is the beneficial owner of the securities reported herein for purposes of Section 16 of the\nSecurities Exchange Act of 1934, as amended, or for any other purpose."}],"balance_after":2043290,"source":{"system":"sec-edgar","filing":"0001535264-19-000057","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1307579/000153526419000057/primary_doc.xml","form_type":"4"}},{"id":3369698,"issuer":{"id":7695,"kind":"organization","name":"LIQTECH INTERNATIONAL INC"},"owners":[{"id":20260,"kind":"organization","name":"AWM Investment Company, Inc.","position":1,"cik":"0001535264","reported_name":"AWM Investment Company, Inc.","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2019-11-15T21:40:23.000Z","date":"2019-11-14","kind":"sale","acquired":false,"shares":80000,"price":4.9292,"value":394336.0,"ownership":{"direct":false,"nature":"By Limited Partnerships"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"This is a weighted average price."}],"balance_after":2093290,"source":{"system":"sec-edgar","filing":"0001535264-19-000057","document":"primary_doc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1307579/000153526419000057/primary_doc.xml","form_type":"4"}},{"id":3400566,"issuer":{"id":7695,"kind":"organization","name":"LIQTECH INTERNATIONAL INC"},"owners":[{"id":117470,"kind":"person","name":"VERNON MARK","position":1,"cik":"0001574126","reported_name":"VERNON MARK","relationship":{"director":true}}],"security":"Common Stock","published_at":"2019-10-02T13:02:15.000Z","date":"2019-09-30","kind":"grant","acquired":true,"shares":8212,"price":7.9,"value":64874.8,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"On September 30, 2019, 8,212 restricted shares of Common Stock were granted to Mr. Vernon for Board service, which shall vest on January 1, 2020."}],"balance_after":168075,"source":{"system":"sec-edgar","filing":"0001437749-19-019422","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1307579/000143774919019422/rdgdoc.xml","form_type":"4"}},{"id":3416057,"issuer":{"id":7695,"kind":"organization","name":"LIQTECH INTERNATIONAL INC"},"owners":[{"id":150272,"kind":"person","name":"Toftegaard Claus","position":1,"cik":"0001787227","reported_name":"Toftegaard Claus","relationship":{"officer":true,"officer_title":"Chief Financial Officer"}}],"security":"common stock","published_at":"2019-09-12T16:09:15.000Z","date":"2019-08-26","kind":"purchase","acquired":true,"shares":1500,"price":10000,"value":15000000.0,"ownership":{"direct":true},"balance_after":1500,"source":{"system":"sec-edgar","filing":"0001437749-19-018289","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1307579/000143774919018289/rdgdoc.xml","form_type":"4"}},{"id":3595085,"issuer":{"id":7695,"kind":"organization","name":"LIQTECH INTERNATIONAL INC"},"owners":[{"id":159116,"kind":"person","name":"Leifland Peter","position":1,"cik":"0001770455","reported_name":"Leifland Peter","relationship":{"director":true}}],"security":"Common Stock","published_at":"2019-03-14T16:55:25.000Z","date":"2019-03-11","kind":"grant","acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"On March 11, 2019, Mr. Leifland was appointed to serve as a member of the Board of Directors of LiqTech International, Inc.  For Board service, Mr. Leifland received an initial grant of 100,000 restricted shares of common stock which shall vest annually over a three year period."}],"balance_after":100000,"source":{"system":"sec-edgar","filing":"0001437749-19-004898","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1307579/000143774919004898/rdgdoc.xml","form_type":"4"}},{"id":4106988,"issuer":{"id":7695,"kind":"organization","name":"LIQTECH INTERNATIONAL INC"},"owners":[{"id":117470,"kind":"person","name":"VERNON MARK","position":1,"cik":"0001574126","reported_name":"VERNON MARK","relationship":{"director":true}}],"security":"Series A Convertible Preferred Stock","published_at":"2018-01-04T17:32:16.000Z","date":"2017-11-09","kind":"grant","acquired":true,"shares":83334,"price":1.2,"value":100000.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F2","text":"On November 9, 2017, Mr. Vernon purchased 83,334 shares of Series A Convertible Preferred Stock in a private placement transaction."}],"balance_after":83334,"derivative":{"exercise_price":0.3,"exercise_date":"2017-11-09","expiration_date":"2018-05-14","underlying":"Common Stock","underlying_shares":333336},"source":{"system":"sec-edgar","filing":"0001437749-18-000232","document":"rdgdoc.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1307579/000143774918000232/rdgdoc.xml","form_type":"4"}},{"id":4106987,"issuer":{"id":7695,"kind":"organization","name":"LIQTECH INTERNATIONAL INC"},"owners":[{"id":117470,"kind":"person","name":"VERNON MARK","position":1,"cik":"0001574126","reported_name":"VERNON MARK","relationship":{"director":true}}],"security":"Common Stock","published_at":"2018-01-04T17:32:16.000Z","date":"2018-01-02","kind":"grant","acquired":true,"shares":52798,"price":0.57,"value":30094.86,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On January 2, 2018, 52,798 restricted shares of Common Stock were granted to Mr. Vernon for Board service, which shall vest on January 1, 2019."}],"balance_after":295831,"source":{"system":"sec-edgar","filing":"0001437749-18-000232","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1307579/000143774918000232/rdgdoc.xml","form_type":"4"}},{"id":4442207,"issuer":{"id":7695,"kind":"organization","name":"LIQTECH INTERNATIONAL INC"},"owners":[{"id":117470,"kind":"person","name":"VERNON MARK","position":1,"cik":"0001574126","reported_name":"VERNON MARK","relationship":{"director":true}}],"security":"Common Stock","published_at":"2017-02-16T21:14:54.000Z","date":"2017-01-02","kind":"grant","acquired":true,"shares":46875,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Vernon was granted 46,875 restricted shares of common stock for his service on the Issuer's Board of Directors, which common stock vested on January 2, 2017."}],"balance_after":243033,"source":{"system":"sec-edgar","filing":"0001437749-17-002682","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1307579/000143774917002682/rdgdoc.xml","form_type":"4"}},{"id":4445693,"issuer":{"id":7695,"kind":"organization","name":"LIQTECH INTERNATIONAL INC"},"owners":[{"id":173722,"kind":"person","name":"Burgon Paul","position":1,"cik":"0001480555","reported_name":"Burgon Paul","relationship":{"director":true}}],"security":"Common stock","published_at":"2017-02-15T20:23:11.000Z","date":"2017-01-02","kind":"grant","acquired":true,"shares":46875,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Mr. Burgon was granted was granted 46,875 restricted shares of common stock for his service on the Issuer's Board of Directors, which common stock vested on January 2, 2017."}],"balance_after":235396,"source":{"system":"sec-edgar","filing":"0001437749-17-002605","document":"rdgdoc.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1480555/000143774917002605/rdgdoc.xml","form_type":"4"}}]}