basis of presentation our results on a “ predecessor ” basis relate to the assets acquired and liabilities assumed by warrior met coal , llc from walter energy in the asset acquisition and the related periods ending on or prior to march 31 , 2016. our results on a “ successor ” basis relate to warrior met coal , llc and its subsidiaries for periods beginning as of april 1 , 2016 and warrior met coal , inc. after giving effect to our corporate conversion on april 12 , 2017 from a delaware limited liability company into a delaware corporation . our results for the predecessor and successor periods have been separated by a vertical line to identify these different bases of accounting . the historical costs and expenses reflected in the predecessor combined results of operations include an allocation for certain corporate functions historically provided by walter energy . substantially all of the predecessor 's senior management were employed by walter energy and certain functions critical to the predecessor 's operations were centralized and managed by walter energy . historically , the centralized functions have included executive senior management , financial reporting , financial planning and analysis , accounting , shared services , information technology , tax , risk management , treasury , legal , human resources , and strategy and development . the costs of each of these services have been allocated to the predecessor on the basis of the predecessor 's relative headcount , revenue and total assets to that of walter energy . the combined financial statements of our predecessor included elsewhere in this annual report and the other historical predecessor combined financial information presented and discussed in this management 's discussion and analysis may not be indicative of what our financial condition , results of operations and cash flows would actually have been had we been a separate stand-alone entity , nor are they indicative of what our financial position , results of operations and cash flows may be in the future . 61 factors affecting the comparability of our financial statements asset acquisition on march 31 , 2016 , we consummated the acquisition of the predecessor on a debt free basis with minimum legacy liabilities . the asset acquisition included mine no . 4 and mine no . 7 , which management believes to be two of the highest quality and lowest cost met coal mines in the united states . prior to the asset acquisition , the company had no operations and nominal assets . we acquired the predecessor for an aggregate cash consideration of $ 50.8 million and the release of claims associated with the 2011 credit agreement and walter energy 's 9.50 % senior secured notes due 2019. in connection with the closing of the asset acquisition and in exchange for a portion of the outstanding first lien debt , walter energy 's first lien lenders were entitled to receive , on a pro rata basis , a distribution of our class a units . we accounted for the asset acquisition as a business combination under accounting standard codification ( “ asc ” ) topic 805 , business combinations . as part of the asset acquisition , we incurred transaction costs related to professional fees in the amount of $ 10.5 million for the nine months ended december 31 , 2016 , which is recorded in transaction and other costs on the statement of operations . rights offerings as part of the asset acquisition , we also conducted the rights offerings . the rights offerings gave walter energy 's first lien lenders and certain qualified unsecured creditors the option to purchase an aggregate 2,500,004 class b units for $ 80.00 per unit and irrevocably commit to purchase , on the same pro rata basis , class a units in one or more capital raising transactions at such later date and on such terms and subject to such conditions as determined by a supermajority vote of our board of managers . the $ 200.0 million raised from the rights offerings was used to pay cash consideration of $ 50.8 million for the asset acquisition , including repayment of certain debtor-in-possession credit agreements of walter energy , to sustain our coal mining operations following consummation of the asset acquisition and for general corporate purposes . corporate conversion and ipo on april 12 , 2017 , in connection with the ipo , warrior met coal , llc filed a certificate of conversion , whereby warrior met coal , llc effected a corporate conversion from a delaware limited liability company to a delaware corporation and changed its name to warrior met coal , inc. as part of the corporate conversion , holders of class a , class b units ( which included the class b units which had converted into class a units ) and class c units of warrior met coal , llc received shares of our common stock for each unit held immediately prior to the corporate conversion using an approximate 13.9459-to-one conversion ratio . in connection with this corporate conversion , the company filed a certificate of incorporation . pursuant to the company 's certificate of incorporation , the company is authorized to issue up to 140,000,000 shares of common stock , $ 0.01 par value per share , and 10,000,000 shares of preferred stock , $ 0.01 par value per share . all references in this “ management 's discussion and analysis of financial condition and results of operations ” to the number of shares and per share amounts of common stock have been retroactively recast to reflect the corporate conversion . on april 19 , 2017 , the company completed its ipo , whereby certain selling stockholders sold 16,666,667 shares of common stock at a price to the public of $ 19.00 per share . the company did not receive any proceeds from the sale of common stock in the ipo . story_separator_special_tag transaction and other costs were $ 12.9 million , or 1.1 % for the year ended december 31 , 2017 which was comprised primarily of professional fees incurred in connection with our ipo and with the issuance of the existing notes ( as defined in note 16 to the consolidated financial statements ) . interest expense , net was $ 37.3 million , or 2.7 % of total revenues , for the year ended december 31 , 2018 , compared to $ 6.9 million , or 0.6 % of total revenues , for the year ended december 31 , 2017 . the $ 30.4 million increase was primarily driven by $ 36.3 million of additional interest expense on the notes due to the issuance of $ 125.0 million in aggregate principal amount on march 1 , 2018 and the issuance of $ 350.0 million aggregate principal amount on november 2 , 2017. income tax benefit for the year ended december 31 , 2018 was $ 225.8 million or an effective tax rate of ( 47.9 ) % compared to an income tax benefit of $ 38.6 million or an effective tax rate of ( 9.27 ) % for the year ended december 31 , 2017 . during the fourth quarter of 2018 , we concluded that our deferred income tax assets are more likely than not to be realized . in making such determination , we considered all available positive and negative evidence , including scheduled reversals of deferred tax liabilities , projected future taxable income and our continued strong financial performance which contributed to a cumulative three-year income position . accordingly , at december 31 , 2018 , we released all of our valuation allowance against our deferred income tax assets . the release of the valuation allowance primarily resulted in a net income tax benefit of $ 225.8 million that was recorded in income tax benefit ( expense ) in our consolidated statement of operations . beginning in 2019 , we expect to record income tax expense with an effective tax rate of 23 % -25 % . at december 31 , 2018 , we had $ 1.1 billion of u.s. federal pre-tax net operating loss carryforwards . accordingly , we believe we will not pay any cash federal income taxes during the next several years . our u.s. federal pre-tax net operating loss carryforwards do not begin to expire until 2034. see note 8 of the notes to the consolidated financial statements for more information . the tax cuts and jobs act was enacted on december 22 , 2017 and significantly revised the u.s. corporate income tax regime by , among other things , lowering the u.s. corporate tax rate from 35 % to 21 % effective january 1 , 2018 , while also repealing the deduction for domestic production activities , implementing a territorial tax system , limiting the deduction for interest expense , limiting the use of net operating losses generated on or after january 1 , 2018 to offset taxable income and repealing the corporate amt and triggering refunding provisions for existing amt credits . in the fourth quarter of 2017 , we 68 recorded an income tax benefit of approximately $ 1.7 million due to the remeasurement of the deferred tax liability associated with the indefinitely lived asset that will now reverse at the new 21 % rate . on january 14 , 2019 , the irs issued a statement that amt refunds for taxable years beginning after december 31 , 2017 will not be subject to sequestration which reversed an earlier irs announcement that refundable amt credits would be subject to sequestration . as a result , we completed our accounting for the income tax effects of the tax cuts and jobs act and recorded a measurement period adjustment recognizing an income tax receivable and related income tax benefit of $ 2.8 million . as of december 31 , 2018 , we have a current income tax receivable of $ 21.6 million and a non-current income tax receivable of $ 21.3 million which represents our total amt credits expected to be received in 2019 to 2022. on march 31 , 2016 , we experienced an ownership change for purposes of section 382 of the code . as a result of such ownership change , absent an applicable exception to such rules , an annual limitation under section 382 would apply for federal and certain state income tax purposes with respect to the utilization of nols . in 2017 , we had requested a private letter ruling ( “ plr ” ) from the irs to clarify certain matters , that if ruled favorably on by the irs , would allow us to qualify for an exception to the aforementioned rules limiting its utilization of its nols . on september 18 , 2017 , the irs issued to us a favorable plr . prior to the issuance of the plr , we operated and prepared our financial statements based on an assumption that an annual limitation on the utilization of the nols existed . based on the receipt of the favorable plr , we now believe that we qualify for an exception to such nol limitation rules and as such , no annual code section 382 limitation to the utilization of our federal nols applies . as a result of qualifying for such exception and due to the reduction in the corporate income tax rate , our federal and state nols were revised downward to approximately $ 1.9 billion and $ 2.0 billion , respectively , as of december 31 , 2016. if we were to undergo a subsequent ownership change our nols and other tax attributes could be subject to severe limitations . see `` part i , item 1a . risk factors - we may be unable to generate sufficient taxable income from future operations , or other circumstances could arise , which may limit or eliminate our ability to utilize

net cash used in investing activities was $ 30.9 million for the nine months ended december 31 , 2016 , primarily as a result of the cash used in connection with the asset acquisition and the purchase of u.s. treasury bills posted as collateral for the self-insured black lung claims that were assumed in the asset acquisition of $ 17.5 million . net cash used in investing activities was $ 5.4 million for the three months ended march 31 , 2016 ( predecessor ) primarily due to purchases of property , plant and equipment . financing activities net cash used in financing activities was $ 281.6 million for the year ended december 31 , 2018 , primarily due to the payment of dividends totaling $ 360.6 million in the aggregate , common shares repurchased of $ 38.0 million , payment of debt issuance costs of $ 3.7 million , retirements of debt of $ 3.1 million , offset partially by the net proceeds received from the issuance of the new notes of $ 128.8 million . net cash used in financing activities was $ 458.3 million for the year ended december 31 , 2017 , primarily due to the payment of the march special distribution , november special dividend and quarterly dividends totaling $ 796.9 million in the aggregate , payment of debt issuance costs of $ 2.6 million , retirements of debt of $ 3.1 million , offset partially by 74 the net proceeds from the notes offering of $ 344.8 million . net cash provided by financing activities was $ 192.7 million for the nine months ended december 31 , 2016 , primarily due to the proceeds received from the rights offerings offset by payments of debt issuance costs .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```net cash used in investing activities was $ 30.9 million for the nine months ended december 31 , 2016 , primarily as a result of the cash used in connection with the asset acquisition and the purchase of u.s. treasury bills posted as collateral for the self-insured black lung claims that were assumed in the asset acquisition of $ 17.5 million . net cash used in investing activities was $ 5.4 million for the three months ended march 31 , 2016 ( predecessor ) primarily due to purchases of property , plant and equipment . financing activities net cash used in financing activities was $ 281.6 million for the year ended december 31 , 2018 , primarily due to the payment of dividends totaling $ 360.6 million in the aggregate , common shares repurchased of $ 38.0 million , payment of debt issuance costs of $ 3.7 million , retirements of debt of $ 3.1 million , offset partially by the net proceeds received from the issuance of the new notes of $ 128.8 million . net cash used in financing activities was $ 458.3 million for the year ended december 31 , 2017 , primarily due to the payment of the march special distribution , november special dividend and quarterly dividends totaling $ 796.9 million in the aggregate , payment of debt issuance costs of $ 2.6 million , retirements of debt of $ 3.1 million , offset partially by 74 the net proceeds from the notes offering of $ 344.8 million . net cash provided by financing activities was $ 192.7 million for the nine months ended december 31 , 2016 , primarily due to the proceeds received from the rights offerings offset by payments of debt issuance costs .
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 Suspicious Activity Report : basis of presentation our results on a “ predecessor ” basis relate to the assets acquired and liabilities assumed by warrior met coal , llc from walter energy in the asset acquisition and the related periods ending on or prior to march 31 , 2016. our results on a “ successor ” basis relate to warrior met coal , llc and its subsidiaries for periods beginning as of april 1 , 2016 and warrior met coal , inc. after giving effect to our corporate conversion on april 12 , 2017 from a delaware limited liability company into a delaware corporation . our results for the predecessor and successor periods have been separated by a vertical line to identify these different bases of accounting . the historical costs and expenses reflected in the predecessor combined results of operations include an allocation for certain corporate functions historically provided by walter energy . substantially all of the predecessor 's senior management were employed by walter energy and certain functions critical to the predecessor 's operations were centralized and managed by walter energy . historically , the centralized functions have included executive senior management , financial reporting , financial planning and analysis , accounting , shared services , information technology , tax , risk management , treasury , legal , human resources , and strategy and development . the costs of each of these services have been allocated to the predecessor on the basis of the predecessor 's relative headcount , revenue and total assets to that of walter energy . the combined financial statements of our predecessor included elsewhere in this annual report and the other historical predecessor combined financial information presented and discussed in this management 's discussion and analysis may not be indicative of what our financial condition , results of operations and cash flows would actually have been had we been a separate stand-alone entity , nor are they indicative of what our financial position , results of operations and cash flows may be in the future . 61 factors affecting the comparability of our financial statements asset acquisition on march 31 , 2016 , we consummated the acquisition of the predecessor on a debt free basis with minimum legacy liabilities . the asset acquisition included mine no . 4 and mine no . 7 , which management believes to be two of the highest quality and lowest cost met coal mines in the united states . prior to the asset acquisition , the company had no operations and nominal assets . we acquired the predecessor for an aggregate cash consideration of $ 50.8 million and the release of claims associated with the 2011 credit agreement and walter energy 's 9.50 % senior secured notes due 2019. in connection with the closing of the asset acquisition and in exchange for a portion of the outstanding first lien debt , walter energy 's first lien lenders were entitled to receive , on a pro rata basis , a distribution of our class a units . we accounted for the asset acquisition as a business combination under accounting standard codification ( “ asc ” ) topic 805 , business combinations . as part of the asset acquisition , we incurred transaction costs related to professional fees in the amount of $ 10.5 million for the nine months ended december 31 , 2016 , which is recorded in transaction and other costs on the statement of operations . rights offerings as part of the asset acquisition , we also conducted the rights offerings . the rights offerings gave walter energy 's first lien lenders and certain qualified unsecured creditors the option to purchase an aggregate 2,500,004 class b units for $ 80.00 per unit and irrevocably commit to purchase , on the same pro rata basis , class a units in one or more capital raising transactions at such later date and on such terms and subject to such conditions as determined by a supermajority vote of our board of managers . the $ 200.0 million raised from the rights offerings was used to pay cash consideration of $ 50.8 million for the asset acquisition , including repayment of certain debtor-in-possession credit agreements of walter energy , to sustain our coal mining operations following consummation of the asset acquisition and for general corporate purposes . corporate conversion and ipo on april 12 , 2017 , in connection with the ipo , warrior met coal , llc filed a certificate of conversion , whereby warrior met coal , llc effected a corporate conversion from a delaware limited liability company to a delaware corporation and changed its name to warrior met coal , inc. as part of the corporate conversion , holders of class a , class b units ( which included the class b units which had converted into class a units ) and class c units of warrior met coal , llc received shares of our common stock for each unit held immediately prior to the corporate conversion using an approximate 13.9459-to-one conversion ratio . in connection with this corporate conversion , the company filed a certificate of incorporation . pursuant to the company 's certificate of incorporation , the company is authorized to issue up to 140,000,000 shares of common stock , $ 0.01 par value per share , and 10,000,000 shares of preferred stock , $ 0.01 par value per share . all references in this “ management 's discussion and analysis of financial condition and results of operations ” to the number of shares and per share amounts of common stock have been retroactively recast to reflect the corporate conversion . on april 19 , 2017 , the company completed its ipo , whereby certain selling stockholders sold 16,666,667 shares of common stock at a price to the public of $ 19.00 per share . the company did not receive any proceeds from the sale of common stock in the ipo . story_separator_special_tag transaction and other costs were $ 12.9 million , or 1.1 % for the year ended december 31 , 2017 which was comprised primarily of professional fees incurred in connection with our ipo and with the issuance of the existing notes ( as defined in note 16 to the consolidated financial statements ) . interest expense , net was $ 37.3 million , or 2.7 % of total revenues , for the year ended december 31 , 2018 , compared to $ 6.9 million , or 0.6 % of total revenues , for the year ended december 31 , 2017 . the $ 30.4 million increase was primarily driven by $ 36.3 million of additional interest expense on the notes due to the issuance of $ 125.0 million in aggregate principal amount on march 1 , 2018 and the issuance of $ 350.0 million aggregate principal amount on november 2 , 2017. income tax benefit for the year ended december 31 , 2018 was $ 225.8 million or an effective tax rate of ( 47.9 ) % compared to an income tax benefit of $ 38.6 million or an effective tax rate of ( 9.27 ) % for the year ended december 31 , 2017 . during the fourth quarter of 2018 , we concluded that our deferred income tax assets are more likely than not to be realized . in making such determination , we considered all available positive and negative evidence , including scheduled reversals of deferred tax liabilities , projected future taxable income and our continued strong financial performance which contributed to a cumulative three-year income position . accordingly , at december 31 , 2018 , we released all of our valuation allowance against our deferred income tax assets . the release of the valuation allowance primarily resulted in a net income tax benefit of $ 225.8 million that was recorded in income tax benefit ( expense ) in our consolidated statement of operations . beginning in 2019 , we expect to record income tax expense with an effective tax rate of 23 % -25 % . at december 31 , 2018 , we had $ 1.1 billion of u.s. federal pre-tax net operating loss carryforwards . accordingly , we believe we will not pay any cash federal income taxes during the next several years . our u.s. federal pre-tax net operating loss carryforwards do not begin to expire until 2034. see note 8 of the notes to the consolidated financial statements for more information . the tax cuts and jobs act was enacted on december 22 , 2017 and significantly revised the u.s. corporate income tax regime by , among other things , lowering the u.s. corporate tax rate from 35 % to 21 % effective january 1 , 2018 , while also repealing the deduction for domestic production activities , implementing a territorial tax system , limiting the deduction for interest expense , limiting the use of net operating losses generated on or after january 1 , 2018 to offset taxable income and repealing the corporate amt and triggering refunding provisions for existing amt credits . in the fourth quarter of 2017 , we 68 recorded an income tax benefit of approximately $ 1.7 million due to the remeasurement of the deferred tax liability associated with the indefinitely lived asset that will now reverse at the new 21 % rate . on january 14 , 2019 , the irs issued a statement that amt refunds for taxable years beginning after december 31 , 2017 will not be subject to sequestration which reversed an earlier irs announcement that refundable amt credits would be subject to sequestration . as a result , we completed our accounting for the income tax effects of the tax cuts and jobs act and recorded a measurement period adjustment recognizing an income tax receivable and related income tax benefit of $ 2.8 million . as of december 31 , 2018 , we have a current income tax receivable of $ 21.6 million and a non-current income tax receivable of $ 21.3 million which represents our total amt credits expected to be received in 2019 to 2022. on march 31 , 2016 , we experienced an ownership change for purposes of section 382 of the code . as a result of such ownership change , absent an applicable exception to such rules , an annual limitation under section 382 would apply for federal and certain state income tax purposes with respect to the utilization of nols . in 2017 , we had requested a private letter ruling ( “ plr ” ) from the irs to clarify certain matters , that if ruled favorably on by the irs , would allow us to qualify for an exception to the aforementioned rules limiting its utilization of its nols . on september 18 , 2017 , the irs issued to us a favorable plr . prior to the issuance of the plr , we operated and prepared our financial statements based on an assumption that an annual limitation on the utilization of the nols existed . based on the receipt of the favorable plr , we now believe that we qualify for an exception to such nol limitation rules and as such , no annual code section 382 limitation to the utilization of our federal nols applies . as a result of qualifying for such exception and due to the reduction in the corporate income tax rate , our federal and state nols were revised downward to approximately $ 1.9 billion and $ 2.0 billion , respectively , as of december 31 , 2016. if we were to undergo a subsequent ownership change our nols and other tax attributes could be subject to severe limitations . see `` part i , item 1a . risk factors - we may be unable to generate sufficient taxable income from future operations , or other circumstances could arise , which may limit or eliminate our ability to utilize

