{"transactions":[{"id":2618589,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and CAO"}}],"security":"Restricted Stock Units","published_at":"2021-08-03T20:05:47.000Z","date":"2021-07-31","kind":"exercise","acquired":false,"shares":26667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on July 31, 2019 and vested over two years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on July 31, 2019 and vested over two years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"RSUs represent contingent rights to receive Common Stock on a one-for-one basis. The RSUs were granted on July 31, 2019 and vested over two years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021."}],"balance_after":0,"derivative":{"underlying":"Common Stock, Par Value $.0001 Per Share","underlying_shares":26667},"source":{"system":"sec-edgar","filing":"0001209191-21-049274","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000120919121049274/doc4.xml","form_type":"4"}},{"id":2618588,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and CAO"}}],"security":"Common Stock, Par Value $.0001 Per Share","published_at":"2021-08-03T20:05:47.000Z","date":"2021-07-31","kind":"tax_withholding","acquired":false,"shares":11301,"price":6.37,"value":71987.37,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Represents the withholding by SIGA Technologies, Inc. of shares of Common Stock (based on $6.37 per share, the closing stock price on July 30, 2021) to satisfy tax withholding obligations associated with the vesting of restricted stock units (\"RSUs\") and the consequent issuance of Common Stock."}],"balance_after":49787,"source":{"system":"sec-edgar","filing":"0001209191-21-049274","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000120919121049274/doc4.xml","form_type":"4"}},{"id":2618587,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"General Counsel and CAO"}}],"security":"Common Stock, Par Value $.0001 Per Share","published_at":"2021-08-03T20:05:47.000Z","date":"2021-07-31","kind":"exercise","acquired":true,"shares":26667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":61088,"source":{"system":"sec-edgar","filing":"0001209191-21-049274","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000120919121049274/doc4.xml","form_type":"4"}},{"id":3070246,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"officer":true,"officer_title":"General Counsel and CAO"}}],"security":"Restricted Stock Units","published_at":"2020-08-04T22:56:39.000Z","date":"2020-07-31","kind":"exercise","acquired":false,"shares":26667,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Represents vesting of certain RSUs granted on July 31, 2019 and the consequent issuance of Common Stock of the Issuer to the Reporting Person. The RSUs vest over two years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021. The shares of Common Stock reported in this Form 4 were issued in respect of the RSUs that vested on July 31, 2020. Each RSU converts into one share of Common Stock of the Issuer on a one for one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Represents vesting of certain RSUs granted on July 31, 2019 and the consequent issuance of Common Stock of the Issuer to the Reporting Person. The RSUs vest over two years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021. The shares of Common Stock reported in this Form 4 were issued in respect of the RSUs that vested on July 31, 2020. Each RSU converts into one share of Common Stock of the Issuer on a one for one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Represents vesting of certain RSUs granted on July 31, 2019 and the consequent issuance of Common Stock of the Issuer to the Reporting Person. The RSUs vest over two years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021. The shares of Common Stock reported in this Form 4 were issued in respect of the RSUs that vested on July 31, 2020. Each RSU converts into one share of Common Stock of the Issuer on a one for one basis."}],"balance_after":26667,"derivative":{"underlying":"Common Stock, par value $.0001 per share","underlying_shares":26667},"source":{"system":"sec-edgar","filing":"0001140361-20-017485","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000114036120017485/form4.xml","form_type":"4"}},{"id":3070245,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"officer":true,"officer_title":"General Counsel and CAO"}}],"security":"Common Stock, Par Value $.0001 Per Share","published_at":"2020-08-04T22:56:39.000Z","date":"2020-07-31","kind":"tax_withholding","acquired":false,"shares":14138,"price":6.42,"value":90765.96,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"SIGA Technologies, Inc. (the \"Issuer\") has certain tax withholding obligations associated with the vesting of restricted stock units (\"RSUs\") and the consequent issuance of Common Stock of the Issuer. This Form 4 reports the surrender to the Issuer by the Reporting Person of 14,138 shares of Common Stock -- granted in the form of RSUs on July 31, 2019 -- in order to satisfy those withholding tax obligations."}],"balance_after":34421,"source":{"system":"sec-edgar","filing":"0001140361-20-017485","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000114036120017485/form4.xml","form_type":"4"}},{"id":3070244,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"officer":true,"officer_title":"General Counsel and CAO"}}],"security":"Common Stock, Par Value $.0001 Per Share","published_at":"2020-08-04T22:56:39.000Z","date":"2020-07-31","kind":"exercise","acquired":true,"shares":26667,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":48559,"source":{"system":"sec-edgar","filing":"0001140361-20-017485","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000114036120017485/form4.xml","form_type":"4"}},{"id":3449938,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"officer":true,"officer_title":"General Counsel and CAO"}}],"security":"Restricted Stock Units","published_at":"2019-08-02T21:26:19.000Z","date":"2019-07-31","kind":"grant","acquired":true,"shares":53334,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"The RSUs vest in equal yearly installments over a period of two (2) years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021.  Each RSU converts into one share of Common Stock of the Issuer on a one for one basis."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The RSUs vest in equal yearly installments over a period of two (2) years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021.  Each RSU converts into one share of Common Stock of the Issuer on a one for one basis."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs vest in equal yearly installments over a period of two (2) years, with the first 1/2 of such RSUs vesting on July 31, 2020 and the remaining 1/2 of such RSUs vesting on July 31, 2021.  Each RSU converts into one share of Common Stock of the Issuer on a one for one basis."}],"balance_after":53334,"derivative":{"underlying":"Common Stock, par value $.0001 per share","underlying_shares":53334},"source":{"system":"sec-edgar","filing":"0001140361-19-014137","document":"form4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000114036119014137/form4.xml","form_type":"4"}},{"id":3449937,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"officer":true,"officer_title":"General Counsel and CAO"}}],"security":"Common Stock, par value $.0001 per share","published_at":"2019-08-02T21:26:19.000Z","date":"2019-07-31","kind":"tax_withholding","acquired":false,"shares":12788,"price":5.6,"value":71612.8,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 reports the grant to the Reporting Person of 26,666 shares of common stock of SIGA Technologies (the \"Issuer\") pursuant to the Issuer's 2010 Stock Incentive Plan and the related surrender to the Issuer of 12,788 of such shares to satisfy certain tax withholding obligations of the Issuer associated with such grant.  No shares of common stock of the Issuer were sold by the Reporting Person in a market transaction."}],"balance_after":21892,"source":{"system":"sec-edgar","filing":"0001140361-19-014137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000114036119014137/form4.xml","form_type":"4"}},{"id":3449936,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"officer":true,"officer_title":"General Counsel and CAO"}}],"security":"Common Stock, par value $.0001 per share","published_at":"2019-08-02T21:26:19.000Z","date":"2019-07-31","kind":"grant","acquired":true,"shares":26666,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 reports the grant to the Reporting Person of 26,666 shares of common stock of SIGA Technologies (the \"Issuer\") pursuant to the Issuer's 2010 Stock Incentive Plan and the related surrender to the Issuer of 12,788 of such shares to satisfy certain tax withholding obligations of the Issuer associated with such grant.  No shares of common stock of the Issuer were sold by the Reporting Person in a market transaction."}],"balance_after":34680,"source":{"system":"sec-edgar","filing":"0001140361-19-014137","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000114036119014137/form4.xml","form_type":"4"}},{"id":3836354,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"officer":true,"officer_title":"General Counsel and CAO"}}],"security":"Common Stock, par value $.0001 per share","published_at":"2018-08-22T22:05:09.000Z","date":"2018-08-20","kind":"tax_withholding","acquired":false,"shares":6986,"price":7.98,"value":55748.28,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 reports the grant to the Reporting Person of 15,000 shares of common stock of SIGA Technologies (the \"Issuer\") pursuant to the Issuer's 2010 Stock Incentive Plan and the related surrender to the Issuer of 6,986 of such shares to satisfy certain tax withholding obligations of the Issuer associated with such grant.  No shares of common stock of the Issuer were sold by the Reporting Person in a market transaction."}],"balance_after":8014,"source":{"system":"sec-edgar","filing":"0001140361-18-036814","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000114036118036814/form4.xml","form_type":"4"}},{"id":3836353,"issuer":{"id":6205,"kind":"organization","name":"SIGA TECHNOLOGIES INC"},"owners":[{"id":136718,"kind":"person","name":"Abrams Robin Elizabeth","position":1,"cik":"0001671781","reported_name":"Abrams Robin Elizabeth","relationship":{"officer":true,"officer_title":"General Counsel and CAO"}}],"security":"Common Stock, par value $.0001 per share","published_at":"2018-08-22T22:05:09.000Z","date":"2018-08-20","kind":"grant","acquired":true,"shares":15000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"This Form 4 reports the grant to the Reporting Person of 15,000 shares of common stock of SIGA Technologies (the \"Issuer\") pursuant to the Issuer's 2010 Stock Incentive Plan and the related surrender to the Issuer of 6,986 of such shares to satisfy certain tax withholding obligations of the Issuer associated with such grant.  No shares of common stock of the Issuer were sold by the Reporting Person in a market transaction."}],"balance_after":15000,"source":{"system":"sec-edgar","filing":"0001140361-18-036814","document":"form4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1010086/000114036118036814/form4.xml","form_type":"4"}}]}