- 32 - attracting and penetrating network partners we created our business model to take advantage of the changing dynamics of the u.s. private health insurance market . our model is based on a b2b2c distribution strategy , meaning that we rely on our employer partners and health plan partners to reach potential members to increase the number of our hsa members . our success depends in large part on our ability to further penetrate our existing network partners by adding new hsa members from these partners and adding new network partners . our innovative technology platform we believe that innovations incorporated in our technology that enable consumers to make healthcare saving and spending decisions differentiate us from our competitors and drive our growth in revenue , hsa members , network partners and aum . similarly , these innovations underpin our ability to provide a differentiated consumer experience in a cost-effective manner . for example , we are currently undertaking a significant update of our proprietary platform 's architecture , which will allow us to improve our transaction processing capabilities and related platform infrastructure to support continued account and transaction growth . we intend to continue to invest in our technology development to enhance our platform 's capabilities and infrastructure . our “ purple ” culture the new healthcare consumer needs education and advice delivered by people as well as technology . we believe that our team-oriented , customer-focused culture , which we call “ purple , ” is a significant factor in our ability to attract and retain customers and to nimbly address opportunities in the rapidly changing healthcare sector . we make significant efforts to promote and foster purple within our workforce . we invest in and intend to continue to invest in human capital through technology-enabled training , career development and advancement opportunities . we regularly measure the success of these efforts , particularly in the context of rapid growth . interest rates as a non-bank custodian , we contract with fdic-insured custodial depository bank partners and an insurance company partner to hold cash aum , and we generate a significant portion of our total revenue from interest we charge based on interest rates offered to us by these partners . these contracts are generally long-term , substantially reducing our exposure to short-term fluctuations in interest rates . a sustained decline in prevailing interest rates may negatively affect our business by reducing the size of the interest rate margins available to us and thus the size of the custodial revenue we can realize . conversely , a sustained increase in prevailing interest rates would present us with an opportunity to increase our interest rate margins . changes in prevailing interest rates are driven by macroeconomic trends and government policies over which we have no control . our competition and industry our direct competitors are hsa custodians . these are primarily state or federally chartered banks and other financial institutions for which we believe technology-based healthcare services are not a core business . certain of our direct competitors have chosen to exit the market despite increased demand for these services . this has created , and we believe will continue to create , opportunities for us to leverage our technology platform and capabilities to increase our market share . however , some of our direct competitors are in a position , should they choose , to devote more resources to the development , sale and support of their products and services than we have at our disposal . in addition , numerous indirect competitors , including benefits administration technology and service providers , partner with banks and other hsa custodians to compete with us . our health plan partners may also choose to offer technology-based healthcare services directly , as some health plans have done . our success depends on our ability to predict and react quickly to these and other industry and competitive dynamics . regulatory change federal law and regulations , including the affordable care act , irs regulations , labor law and public health regulations that govern the provision of health insurance and are the foundation for tax-advantaged healthcare saving and spending through hsas and ras , play a pivotal role in determining our market opportunity . privacy and data security-related laws such as hipaa and the gramm-leach-bliley act , laws governing the provision of investment advice to consumers , such as the advisers act and the federal deposit insurance act , all play a similar role in determining our competitive landscape . in addition , state-level regulations also have significant implications for our business in some cases . our ability to predict and react quickly to relevant legal and regulatory trends and to correctly interpret their market and competitive implications is important to our success . - 33 - key financial and operating metrics our management regularly reviews a number of key operating and financial metrics to evaluate our business , determine the allocation of our resources , make decisions regarding corporate strategies and evaluate forward-looking projections and trends affecting our business . we discuss certain of these key financial metrics , including revenue , below in the section entitled “ key components of our results of operations . ” in addition , we utilize other key metrics as described below . hsa members the following table sets forth our hsa members for the periods indicated : replace_table_token_4_th the number of our hsa members is critical because our service revenue is driven by the amount we charge per hsa . story_separator_special_tag add hsa members by charging a lower rate as additional hsa members are added . accordingly , as network partners add more hsa members , the service revenue per hsa member will continue to decrease . additionally , as ras grow less rapidly than hsas , service revenue per hsa member will decrease . the decrease in service revenue per hsa member was partially offset by an increase in custodial revenue per hsa member . - 39 - custodial revenue the $ 13.4 million increase in custodial revenue from the year ended january 31 , 2015 to the year ended january 31 , 2016 was primarily due to an increase in average daily cash aum of $ 772.7 million , or 50 % , and an increase in the yield on average cash aum from 1.52 % in the year ended january 31 , 2015 to 1.57 % in the year ended january 31 , 2016. custodial revenue increased in the year ended january 31 , 2016 as a percentage of our total revenue compared to the year ended january 31 , 2015 , primarily due to our aum growing faster than our hsa members and higher yield on average cash aum . the $ 5.4 million increase in custodial revenue from the year ended january 31 , 2014 to the year ended january 31 , 2015 was primarily due to an increase in average daily cash aum of $ 416.0 million , or 37 % , partially offset by a decrease in the yield on average cash aum from 1.64 % in the year ended january 31 , 2014 to 1.52 % in the year ended january 31 , 2015. custodial revenue decreased in the year ended january 31 , 2015 as a percentage of our total revenue compared to the year ended january 31 , 2014 , primarily due to lower-rate custodial depository agreements added in the year ended january 31 , 2015 to accommodate our growth in cash aum . this had an adverse impact on our interest yield during the year ended january 31 , 2015 compared to the year ended january 31 , 2014. cash aum per hsa member of $ 1,532 as of january 31 , 2016 increased compared to the cash aum per hsa member of $ 1,455 as of january 31 , 2015. this was primarily due to the bancorp hsa portfolio acquired during the year having higher average cash aum balances . custodial revenue per hsa member increased by approximately 5 % from the year ended january 31 , 2015 to the year ended january 31 , 2016 , primarily due to the higher yield and higher average cash aum balances . interchange revenue the $ 9.7 million increase in interchange revenue from the year ended january 31 , 2015 to the year ended january 31 , 2016 was due to an overall increase in the number of our hsa members and payment activity . in addition , we continued to see a trend toward more hsa spending through payment card transaction swipes and less by checks and ach or electronic reimbursements , which increased our interchange revenue . the $ 5.8 million increase in interchange revenue from the year ended january 31 , 2014 to the year ended january 31 , 2015 was due to an overall increase in the number of our hsa members and payment activity . our efforts to increase card spend on our platform has resulted in an increase in interchange revenue per hsa member for the year ended january 31 , 2016 by approximately 5 % . cost of revenue the following table sets forth our cost of revenue for the periods indicated : replace_table_token_11_th service costs the $ 9.6 million increase in service costs from the year ended january 31 , 2015 to the year ended january 31 , 2016 was due to the higher volume of total accounts being serviced . the $ 9.6 million increase includes $ 5.5 million related to the hiring of additional personnel to implement and support our new network partners and hsa members , increased activation and processing costs of $ 2.1 million related to account and card activation as well as monthly processing of statements and other communications , stock compensation of $ 686,000 , depreciation and amortization of $ 465,000 , information technology expenses of $ 339,000 and $ 560,000 in other expenses . the $ 8.3 million increase in account costs from the year ended january 31 , 2014 to the year ended january 31 , 2015 was due to the higher volume of total accounts being serviced . the $ 8.3 million increase includes $ 4.6 million related to the hiring of additional personnel to implement and support our new network partners and hsa members , activation and processing costs of $ 2.0 million related to account and card activation as well as monthly processing of statements and other communications , information technology expenses of $ 315,000 , depreciation and amortization of $ 320,000 , stock compensation of $ 393,000 and $ 614,000 in other expenses . - 40 - custodial costs the $ 2.4 million increase in custodial costs from the year ended january 31 , 2015 to the year ended january 31 , 2016 was due to an increase in custodial costs on average cash aum from 0.27 % for the year ended january 31 , 2015 to 0.28 % for the year ended january 31 , 2016 , and an increase in average daily cash aum from $ 1.55 billion for the year ended january 31 , 2015 to $ 2.33 billion during the year ended january 31 , 2016. the $ 654,000 increase in custodial costs from the year ended january 31 , 2014 to the year ended january 31 , 2015 was due to an increase in average daily cash aum from $ 1.14 billion for the year ended january 31 , 2014 to $ 1.55 billion for the

cash flows provided by operating activities . net cash provided by operating activities during the year ended january 31 , 2016 resulted primarily from our net income of $ 16.6 million being adjusted for the following non-cash items : depreciation and amortization of $ 8.6 million and stock-based compensation of $ 5.9 million , changes in accrued compensation of $ 2.5 million , and accounts payable of $ 1.0 million . these were offset by changes in accounts receivable of $ 5.2 million , deferred income taxes of $ 2.2 million , and accrued liabilities , deferred rent and other assets of $ 742,000. net cash provided by operating activities during the year ended january 31 , 2015 resulted primarily from our net income of $ 10.2 million being adjusted for the following non-cash items : depreciation and amortization of $ 5.9 million and stock-based compensation of $ 2.5 million , deferred income taxes of $ 1.6 million , changes in accrued compensation of $ 1.2 million and a revaluation of our derivative liability associated with our series d-3 redeemable convertible preferred stock of $ 735,000 and changes in deferred rent of $ 95,000. these items were offset by changes in accounts receivable of $ 3.4 million , other assets of $ 1.6 million , accounts payable of $ 1.2 million , accrued liabilities and inventories of $ 1.0 million .


 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.
     ```cash flows provided by operating activities . net cash provided by operating activities during the year ended january 31 , 2016 resulted primarily from our net income of $ 16.6 million being adjusted for the following non-cash items : depreciation and amortization of $ 8.6 million and stock-based compensation of $ 5.9 million , changes in accrued compensation of $ 2.5 million , and accounts payable of $ 1.0 million . these were offset by changes in accounts receivable of $ 5.2 million , deferred income taxes of $ 2.2 million , and accrued liabilities , deferred rent and other assets of $ 742,000. net cash provided by operating activities during the year ended january 31 , 2015 resulted primarily from our net income of $ 10.2 million being adjusted for the following non-cash items : depreciation and amortization of $ 5.9 million and stock-based compensation of $ 2.5 million , deferred income taxes of $ 1.6 million , changes in accrued compensation of $ 1.2 million and a revaluation of our derivative liability associated with our series d-3 redeemable convertible preferred stock of $ 735,000 and changes in deferred rent of $ 95,000. these items were offset by changes in accounts receivable of $ 3.4 million , other assets of $ 1.6 million , accounts payable of $ 1.2 million , accrued liabilities and inventories of $ 1.0 million .
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 Suspicious Activity Report : - 32 - attracting and penetrating network partners we created our business model to take advantage of the changing dynamics of the u.s. private health insurance market . our model is based on a b2b2c distribution strategy , meaning that we rely on our employer partners and health plan partners to reach potential members to increase the number of our hsa members . our success depends in large part on our ability to further penetrate our existing network partners by adding new hsa members from these partners and adding new network partners . our innovative technology platform we believe that innovations incorporated in our technology that enable consumers to make healthcare saving and spending decisions differentiate us from our competitors and drive our growth in revenue , hsa members , network partners and aum . similarly , these innovations underpin our ability to provide a differentiated consumer experience in a cost-effective manner . for example , we are currently undertaking a significant update of our proprietary platform 's architecture , which will allow us to improve our transaction processing capabilities and related platform infrastructure to support continued account and transaction growth . we intend to continue to invest in our technology development to enhance our platform 's capabilities and infrastructure . our “ purple ” culture the new healthcare consumer needs education and advice delivered by people as well as technology . we believe that our team-oriented , customer-focused culture , which we call “ purple , ” is a significant factor in our ability to attract and retain customers and to nimbly address opportunities in the rapidly changing healthcare sector . we make significant efforts to promote and foster purple within our workforce . we invest in and intend to continue to invest in human capital through technology-enabled training , career development and advancement opportunities . we regularly measure the success of these efforts , particularly in the context of rapid growth . interest rates as a non-bank custodian , we contract with fdic-insured custodial depository bank partners and an insurance company partner to hold cash aum , and we generate a significant portion of our total revenue from interest we charge based on interest rates offered to us by these partners . these contracts are generally long-term , substantially reducing our exposure to short-term fluctuations in interest rates . a sustained decline in prevailing interest rates may negatively affect our business by reducing the size of the interest rate margins available to us and thus the size of the custodial revenue we can realize . conversely , a sustained increase in prevailing interest rates would present us with an opportunity to increase our interest rate margins . changes in prevailing interest rates are driven by macroeconomic trends and government policies over which we have no control . our competition and industry our direct competitors are hsa custodians . these are primarily state or federally chartered banks and other financial institutions for which we believe technology-based healthcare services are not a core business . certain of our direct competitors have chosen to exit the market despite increased demand for these services . this has created , and we believe will continue to create , opportunities for us to leverage our technology platform and capabilities to increase our market share . however , some of our direct competitors are in a position , should they choose , to devote more resources to the development , sale and support of their products and services than we have at our disposal . in addition , numerous indirect competitors , including benefits administration technology and service providers , partner with banks and other hsa custodians to compete with us . our health plan partners may also choose to offer technology-based healthcare services directly , as some health plans have done . our success depends on our ability to predict and react quickly to these and other industry and competitive dynamics . regulatory change federal law and regulations , including the affordable care act , irs regulations , labor law and public health regulations that govern the provision of health insurance and are the foundation for tax-advantaged healthcare saving and spending through hsas and ras , play a pivotal role in determining our market opportunity . privacy and data security-related laws such as hipaa and the gramm-leach-bliley act , laws governing the provision of investment advice to consumers , such as the advisers act and the federal deposit insurance act , all play a similar role in determining our competitive landscape . in addition , state-level regulations also have significant implications for our business in some cases . our ability to predict and react quickly to relevant legal and regulatory trends and to correctly interpret their market and competitive implications is important to our success . - 33 - key financial and operating metrics our management regularly reviews a number of key operating and financial metrics to evaluate our business , determine the allocation of our resources , make decisions regarding corporate strategies and evaluate forward-looking projections and trends affecting our business . we discuss certain of these key financial metrics , including revenue , below in the section entitled “ key components of our results of operations . ” in addition , we utilize other key metrics as described below . hsa members the following table sets forth our hsa members for the periods indicated : replace_table_token_4_th the number of our hsa members is critical because our service revenue is driven by the amount we charge per hsa . story_separator_special_tag add hsa members by charging a lower rate as additional hsa members are added . accordingly , as network partners add more hsa members , the service revenue per hsa member will continue to decrease . additionally , as ras grow less rapidly than hsas , service revenue per hsa member will decrease . the decrease in service revenue per hsa member was partially offset by an increase in custodial revenue per hsa member . - 39 - custodial revenue the $ 13.4 million increase in custodial revenue from the year ended january 31 , 2015 to the year ended january 31 , 2016 was primarily due to an increase in average daily cash aum of $ 772.7 million , or 50 % , and an increase in the yield on average cash aum from 1.52 % in the year ended january 31 , 2015 to 1.57 % in the year ended january 31 , 2016. custodial revenue increased in the year ended january 31 , 2016 as a percentage of our total revenue compared to the year ended january 31 , 2015 , primarily due to our aum growing faster than our hsa members and higher yield on average cash aum . the $ 5.4 million increase in custodial revenue from the year ended january 31 , 2014 to the year ended january 31 , 2015 was primarily due to an increase in average daily cash aum of $ 416.0 million , or 37 % , partially offset by a decrease in the yield on average cash aum from 1.64 % in the year ended january 31 , 2014 to 1.52 % in the year ended january 31 , 2015. custodial revenue decreased in the year ended january 31 , 2015 as a percentage of our total revenue compared to the year ended january 31 , 2014 , primarily due to lower-rate custodial depository agreements added in the year ended january 31 , 2015 to accommodate our growth in cash aum . this had an adverse impact on our interest yield during the year ended january 31 , 2015 compared to the year ended january 31 , 2014. cash aum per hsa member of $ 1,532 as of january 31 , 2016 increased compared to the cash aum per hsa member of $ 1,455 as of january 31 , 2015. this was primarily due to the bancorp hsa portfolio acquired during the year having higher average cash aum balances . custodial revenue per hsa member increased by approximately 5 % from the year ended january 31 , 2015 to the year ended january 31 , 2016 , primarily due to the higher yield and higher average cash aum balances . interchange revenue the $ 9.7 million increase in interchange revenue from the year ended january 31 , 2015 to the year ended january 31 , 2016 was due to an overall increase in the number of our hsa members and payment activity . in addition , we continued to see a trend toward more hsa spending through payment card transaction swipes and less by checks and ach or electronic reimbursements , which increased our interchange revenue . the $ 5.8 million increase in interchange revenue from the year ended january 31 , 2014 to the year ended january 31 , 2015 was due to an overall increase in the number of our hsa members and payment activity . our efforts to increase card spend on our platform has resulted in an increase in interchange revenue per hsa member for the year ended january 31 , 2016 by approximately 5 % . cost of revenue the following table sets forth our cost of revenue for the periods indicated : replace_table_token_11_th service costs the $ 9.6 million increase in service costs from the year ended january 31 , 2015 to the year ended january 31 , 2016 was due to the higher volume of total accounts being serviced . the $ 9.6 million increase includes $ 5.5 million related to the hiring of additional personnel to implement and support our new network partners and hsa members , increased activation and processing costs of $ 2.1 million related to account and card activation as well as monthly processing of statements and other communications , stock compensation of $ 686,000 , depreciation and amortization of $ 465,000 , information technology expenses of $ 339,000 and $ 560,000 in other expenses . the $ 8.3 million increase in account costs from the year ended january 31 , 2014 to the year ended january 31 , 2015 was due to the higher volume of total accounts being serviced . the $ 8.3 million increase includes $ 4.6 million related to the hiring of additional personnel to implement and support our new network partners and hsa members , activation and processing costs of $ 2.0 million related to account and card activation as well as monthly processing of statements and other communications , information technology expenses of $ 315,000 , depreciation and amortization of $ 320,000 , stock compensation of $ 393,000 and $ 614,000 in other expenses . - 40 - custodial costs the $ 2.4 million increase in custodial costs from the year ended january 31 , 2015 to the year ended january 31 , 2016 was due to an increase in custodial costs on average cash aum from 0.27 % for the year ended january 31 , 2015 to 0.28 % for the year ended january 31 , 2016 , and an increase in average daily cash aum from $ 1.55 billion for the year ended january 31 , 2015 to $ 2.33 billion during the year ended january 31 , 2016. the $ 654,000 increase in custodial costs from the year ended january 31 , 2014 to the year ended january 31 , 2015 was due to an increase in average daily cash aum from $ 1.14 billion for the year ended january 31 , 2014 to $ 1.55 billion for the

