1. Nature of Business

Blueprint Medicines Corporation (the Company), a Delaware corporation formed on October 14, 2008, is a biopharmaceutical company focused on improving the lives of patients with genomically defined diseases driven by abnormal kinase activation. The Company’s approach is to systematically and reproducibly identify kinases that are drivers of genomically defined diseases and to craft drug candidates with therapeutic windows that provide significant and durable clinical response to patients.

The Company is devoting substantially all of its efforts to research and development, initial market development, and raising capital. The Company is subject to a number of risks similar to those of other early stage companies, including dependence on key individuals; establishing safety and efficacy in clinical trials for its compounds; the need to develop commercially viable drugs; competition from other companies, many of which are larger and better capitalized; and the need to obtain adequate additional financing to fund the development of its drugs. If the Company is unable to raise capital when needed or on attractive terms, it would be forced to delay, reduce, eliminate or out‑license certain of its research and development programs or future commercialization efforts.

On May 5, 2015, the Company completed the sale of 9,367,708 shares of its common stock (inclusive of 1,221,874 shares of common stock sold by the Company pursuant to the full exercise of an option to purchase additional shares granted to the underwriters in connection with the offering) in an initial public offering (IPO) at a price to the public of $18.00 per share, resulting in net proceeds of $154.2 million after deducting underwriting discounts and commissions and estimated offering costs payable by the Company.

2. Summary of Significant Accounting Policies

Basis of Presentation

The unaudited interim condensed financial statements of the Company included herein have been prepared in accordance with accounting principles generally accepted in the United States (GAAP) as found in the Accounting Standards Codification (ASC) and Accounting Standards Update (ASU) of the Financial Accounting Standards Board (FASB). Certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted from this report, as is permitted by such rules and regulations.  Accordingly, these financial statements should be read in conjunction with the financial statements as of and for the year ended December 31, 2014 and notes thereto, included in the Company’s prospectus filed with the SEC pursuant to Rule 424(b)(4) on April 30, 2015 (the Prospectus). 

 

The unaudited interim condensed financial statements have been prepared on the same basis as the audited financial statements. In the opinion of the Company’s management, the accompanying unaudited interim condensed financial statements contain all adjustments which are necessary to present fairly the Company’s financial position as of March 31, 2015 and the results of its operations and cash flows for the three months ended March 31, 2015 and 2014. Such adjustments are of a normal and recurring nature. The results for the three months ended March 31, 2015 are not necessarily indicative of the results for the year ending December 31, 2015, or for any future period.

 

In connection with preparing for its IPO, the Company effected a 1‑for‑5.5 reverse stock split of the Company’s common stock. The reverse stock split became effective on April 10, 2015. All share and per share amounts in the financial statements and notes thereto have been retroactively adjusted for all periods presented to give effect to this reverse stock split, including reclassifying an amount equal to the reduction in par value of common stock to additional paid‑in capital. Upon the closing of the IPO, all of the Company’s outstanding convertible preferred stock automatically converted into 15,467,479 shares of common stock; and warrants exercisable for convertible preferred stock were automatically converted into warrants exercisable for 42,423 shares of common stock. Additionally, the Company is now authorized to issue 120,000,000 shares of common stock and 5,000,000 shares of preferred stock.  The significant increase in shares outstanding in April 2015 is expected to impact the year-over-year comparability of the Company’s net loss per share calculations over the next year.

 

Use of Estimates

The preparation of financial statements in conformity with GAAP requires the Company’s management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates. Management considers many factors in selecting appropriate financial accounting policies and in developing the estimates and assumptions that are used in the preparation of the financial statements. Management must apply significant judgment in this process. Management’s estimation process often may yield a range of potentially reasonable estimates and management must select an amount that falls within that range of reasonable estimates. Estimates are used in the following areas, among others: stock‑based compensation expense, including estimating the fair value of the Company’s common stock (the Common Stock); revenue recognition; the valuation of liability‑classified warrants; accrued expenses; and income taxes.

Revenue recognition

 

The Company recognizes revenue from license and collaboration agreements in accordance with FASB ASC Topic 605, Revenue Recognition (ASC 605). Accordingly, revenue is recognized when all of the following criteria are met:

 

 

Amounts received prior to satisfying the revenue recognition criteria are recognized as deferred revenue in the Company’s balance sheets. Amounts expected to be recognized as revenue within the 12 months following the balance sheet date are classified as deferred revenue, current portion. Amounts not expected to be recognized as revenue within the 12 months following the balance sheet date are classified as deferred revenue, net of current portion.

 

The Company’s revenue is currently generated through its collaboration agreement with Alexion Pharma Holding (Alexion). The terms of this agreement contains multiple elements, or deliverables, including an exclusive license to research, develop, manufacture and commercialize the licensed products and the compounds in the field in the territory, as well as research and development activities to be performed by the Company on behalf of Alexion related to the licensed product candidates. In addition, the terms of this agreement include payments to the Company of one or more of the following: a nonrefundable, upfront payment; contingent milestone payments related to specified pre-clinical milestones, development milestones and sales-based commercial milestones; fees for research and development services rendered; and royalties on commercial sales of licensed product candidates, if any. To date, the Company has received the upfront payment and is due certain research and development service payments but has not received any milestone payments or earned royalty revenue as a result of product sales.  See Note 9 for additional information on this agreement.

 

When evaluating multiple element arrangements, the Company considers whether the deliverables under the arrangement represent separate units of accounting. This evaluation requires subjective determinations and requires management to make judgments about the individual deliverables and whether such deliverables are separable from the other aspects of the contractual relationship. In determining the units of accounting, management evaluates certain criteria, including whether the deliverables have standalone value, based on the consideration of the relevant facts and circumstances for each arrangement. The consideration received is allocated among the separate units of accounting using the relative selling price method, and the applicable revenue recognition criteria are applied to each of the separate units.  Deliverables are considered separate units of accounting provided that: (i) the delivered item(s) has value to the customer on a stand-alone basis and (ii) if the arrangement includes a general right of return relative to the delivered item(s), delivery or performance of the undelivered item(s) is considered probable and substantially in the control of the Company. In assessing whether an item has stand-alone value, the Company considers factors such as the research, manufacturing and commercialization capabilities of the collaboration partner and the availability of the associated expertise in the general marketplace. In addition, the Company considers whether the collaboration partner can use the deliverable(s) for their intended purpose without the receipt of the remaining element(s), whether the value of the deliverable is dependent on the undelivered item(s) and whether there are other vendors that can provide the undelivered element(s). The Company’s collaboration agreement with Alexion does not contain a general right of return relative to the delivered item(s). 

 

Arrangement consideration that is fixed or determinable is allocated among the separate units of accounting using the relative selling price method. Then, the applicable revenue recognition criteria in ASC 605-25 are applied to each of the separate units of accounting in determining the appropriate period and pattern of recognition. The Company determines the selling price of a unit of accounting following the hierarchy of evidence prescribed by ASC 605-25. Accordingly, the Company determines the estimated selling price for units of accounting within each arrangement using vendor-specific objective evidence (VSOE) of selling price, if available, third-party evidence (TPE) of selling price if VSOE is not available, or best estimate of selling price (BESP) if neither VSOE nor TPE is available. The Company typically uses BESP to estimate the selling price, since it generally does not have VSOE or TPE of selling price for its units of accounting. Determining the BESP for a unit of accounting requires significant judgment. In developing the BESP for a unit of accounting, the Company considers applicable market conditions and relevant entity-specific factors, including factors that were contemplated in negotiating the agreement with the customer and estimated costs. The Company validates the BESP for units of accounting by evaluating whether changes in the key assumptions used to determine the BESP will have a significant effect on the allocation of arrangement consideration between multiple units of accounting.

 

In the event that an element of a multiple element arrangement does not represent a separate unit of accounting, the Company recognizes revenue from the combined element over the period over which it expects to fulfill its performance obligations or as undelivered items are delivered, as appropriate, if all of the other revenue recognition criteria in ASC 605-25 are met.  If the pattern of performance in which the service is provided to the customer can be determined and objectively measurable performance measures exist, then the Company recognizes revenue under the arrangement using the proportional performance method.  If there is no discernible pattern of performance and/or objectively measurable performance measures do not exist, then the Company recognizes revenue under the arrangement on a straight-line basis over the period the Company is expected to complete its performance obligations. Revenue recognized is limited to the lesser of the cumulative amount of payments received or the cumulative amount of revenue earned, as determined using the straight-line method or proportional performance method, as applicable, as of the period ending date.

 

The Company’s multiple-element revenue arrangements may include the following

 

Exclusive Licenses

 

The deliverables under the Company’s collaboration agreements may include exclusive licenses to research, develop, manufacture and commercialize licensed products. To account for this element of an arrangement, management evaluates whether an exclusive license has stand-alone value from the undelivered elements based on the consideration of the relevant facts and circumstances of the arrangement, including the research and development capabilities of the collaboration partner. The Company may recognize the arrangement consideration allocated to licenses upon delivery of the license if facts and circumstances indicate that the license has stand-alone value from the undelivered elements, which generally include research and development services. The Company defers arrangement consideration allocated to licenses if facts and circumstances indicate that the delivered license does not have stand-alone value from the undelivered elements.

 

When management believes a license does not have stand-alone value from the other deliverables to be provided in the arrangement, the Company recognizes revenue attributed to the license on a proportional basis over the Company’s contractual or estimated performance period, which is typically the term of the Company’s research and development obligations. If management cannot reasonably estimate when the Company’s performance obligation ends, then revenue is deferred until management can reasonably estimate when the performance obligation ends. The periods over which revenue should be recognized are subject to estimates by management and may change over the course of the research and development and licensing agreement. Such a change could have a material impact on the amount of revenue the Company records in future periods.

 

Research and Development Services 

 

The deliverables under the Company’s collaboration agreements may include research and development services to be performed by the Company on behalf of the partner.  Payments or reimbursements resulting from the Company’s research and development efforts are recognized as the services are performed and presented on a gross basis because the Company is the principal for such efforts, so long as there is persuasive evidence of an arrangement, the fee is fixed or determinable, and collection of the related amount is reasonably assured.

 

Milestone Revenue

 

The Company’s collaboration agreements may include contingent milestone payments related to specified pre-clinical milestones, development milestones and sales-based commercial milestones.

At the inception of an arrangement that includes milestone payments, the Company evaluates whether each milestone is substantive and at risk to both parties on the basis of the contingent nature of the milestone. This evaluation includes an assessment of whether:

 

The Company evaluates factors such as the scientific, clinical, regulatory, commercial and other risks that must be overcome to achieve the respective milestone and the level of effort and investment required to achieve the respective milestone in making this assessment. There is considerable judgment involved in determining whether a milestone satisfies all of the criteria required to conclude that a milestone is substantive. Milestones that are not considered substantive are accounted for as license payments and recognized over the remaining period of performance from the date of achievement of the milestone.  Milestones that are considered substantive will be recognized in their entirety upon successful accomplishment of the milestone, assuming all other revenue recognition criteria are met.

 

Royalty Revenue

The Company will recognize royalty revenue in the period of sale of the related product(s), based on the underlying contract terms, provided that the reported sales are reliably measurable and the Company has no remaining performance obligations, assuming all other revenue recognition criteria are met. 

 

Cash Equivalents

Cash equivalents are highly liquid investments that are readily convertible into cash with original maturities of three months or less when purchased. These assets include an investment in a money market fund that invests in U.S. Treasury obligations. Cash equivalents consist of the following at March 31, 2015 and December 31, 2014 (in thousands):

 

 

Fair Value of Financial Instruments

The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value into three broad levels as follows:

Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities.

Level 2 inputs are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly.

Level 3 inputs are unobservable inputs that reflect the Company’s own assumptions about the assumptions market participants would use in pricing the asset or liability. Financial assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement.

Financial instruments measured at fair value as of March 31, 2015, are classified below based on the fair value hierarchy described above:

 

 

Financial instruments measured at fair value as of December 31, 2014, are classified below based on the fair value hierarchy described above:

 

 

At March 31, 2015 and December 31, 2014, all of the Company’s cash equivalents comprise of a money market account, the fair value of which is valued using Level 1 inputs. The fair value of the Company’s term loan payable is determined using current applicable rates for similar instruments as of the balance sheet date. The carrying value of the Company’s term loan payable approximates fair value because the Company’s interest rate yield approximates current market rates. The Company’s term loan payable is a Level 3 liability within the fair value hierarchy. The fair value of the preferred stock warrant liability was determined based on Level 3 inputs and utilizing the Black‑ Scholes option pricing model (Note 5).

 

Deferred Offering Costs

 

The Company capitalizes certain legal, accounting and other third-party fees that are directly associated with in-process equity financings as other assets until such financings are consummated. After consummation of the equity financing, these costs are recorded in stockholders’ equity (deficit) as a reduction of additional paid-in capital generated as a result of the offering. As of March 31, 2015 and December 31, 2014, the Company recorded $1,093 and $91, respectively, of deferred offering costs, included in other assets in the accompanying balance sheet, in contemplation of its IPO.

There have been no other material changes to the significant accounting policies previously disclosed in the Company’s Prospectus.

Recent Accounting Pronouncements

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (ASU 2014-09), which supersedes the revenue recognition requirements in ASC 605 and most industry-specific guidance. The new standard requires that an entity recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the company expects to be entitled in exchange for those goods or services. The update also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. This new guidance is expected to be effective for annual reporting periods (including interim reporting periods within those years) beginning January 1, 2018; early adoption in 2017 is permitted. Companies have the option of applying this new guidance retrospectively to each prior reporting period presented or retrospectively with the cumulative effect of initially applying this update recognized at the date of initial application. The Company has not yet determined the potential effects of the adoption of this standard on its consolidated financial position, results of operations or cash flows.

 

On April 7, 2015, the FASB, issued ASU 2015-03, Simplifying the Presentation of Debt Issuance Costs (ASU 2015-03),which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the carrying value of the associated debt liability, consistent with the presentation of a debt discount. ASU 2015-03 will be effective for the Company on January 1, 2016, with early adoption permitted. ASU 2015-03 will be applied on a retrospective basis. The Company is currently assessing the potential impact of the adoption of ASU 2015-03 on its financial statements.

 

In 2014, the FASB issued new guidance on management’s responsibility in evaluating whether or not there is substantial doubt about a company’s ability to continue as a going concern within one year from the date the financial statements are issued each reporting period. This new accounting guidance is effective for annual periods ending after December 15, 2016. Early adoption is permitted. The Company is in process of evaluating the new guidance and determining the expected effect on its financial statements.

3. Restricted Cash

At March 31, 2015 and December 31, 2014, $1.5 million and $0.2 million, respectively, of the Company’s cash is restricted by a bank. As of March 31, 2015, $0.1 million of the restricted cash is included in current assets as collateral for a stand‑by letter of credit issued by the Company to its landlord in connection with the lease of the Company’s corporate headquarters. On February 12, 2015, the Company entered into a lease for approximately 38,500 rentable square feet of office and laboratory space in Cambridge, Massachusetts, with a lease term commencing June 15, 2015 and ending on October 31, 2022, assuming occupancy in October 2015. The lease agreement required the Company to pay a security deposit of $1.3 million, which is included in long-term assets on the Company’s balance sheet as of March 31, 2015. In addition, $0.1 million of restricted cash is included in long‑term assets related to the Company’s corporate credit card agreement as of March 31, 2015 and December 31, 2014.

4. Accrued Expenses

Accrued expenses consist of the following (in thousands):

 

 

5. Term Loan

In May 2013, the Company entered into a loan and security agreement with Silicon Valley Bank (the 2013 Term Loan), which provided for up to $5.0 million in funding, to be made available in three tranches. Loan advances accrue interest at a fixed rate of 2% above the Prime Rate. In June 2013, the Company drew the first loan advance of $1.0 million under the 2013 Term Loan and was required to make interest‑only payments until April 1, 2014, and consecutive monthly payments of principal, plus accrued interest, over the remaining term through March 2017. In September 2013, the Company drew the second loan advance of $2.0 million under the 2013 Term Loan and was required to make interest‑only payments until April 1, 2014, and consecutive monthly payments of principal, plus accrued interest, over the remaining term through March 2017. In June 2014, the Company drew the remaining $2.0 million advance under the 2013 Term Loan and is required to make interest‑only payments until January 1, 2015, and consecutive monthly payments of principal, plus accrued interest, over the remaining term through December 2017. In November 2014, the Company amended the 2013 Term Loan to allow the Company to borrow an additional $5.0 million (the 2014 Term Loan). The Company accounted for the amendment as a modification to the existing 2013 Term Loan. The Company immediately drew the additional $5.0 million under the 2014 Term Loan and is required to make interest‑only payments until December 1, 2015, and consecutive monthly payments of principal, plus accrued interest, over the remaining term through November 2018. The Company is required to pay a fee of 4% of the total loan advances at the end of the term of each of the 2013 Term Loan and the 2014 Term Loan. The fee is being accreted to interest expense over the term of the 2013 Term Loan and the 2014 Term Loan. In the event of prepayment, the Company is obligated to pay 1% to 2% of the amount of the outstanding principal depending upon the timing of the prepayment.

The 2013 Term Loan and 2014 Term Loan are collateralized by a blanket lien on all corporate assets, excluding intellectual property, and by a negative pledge of the Company’s intellectual property. The 2013 Term Loan and 2014 Term Loan contain customary default provisions that include material adverse events, as defined therein. The Company has determined that the risk of subjective acceleration under the material adverse events clause is remote and therefore has classified the outstanding principal in current and long‑term liabilities based on scheduled principal payments.

The Company assessed all terms and features of the 2013 Term Loan and the 2014 Term Loan in order to identify any potential embedded features that would require bifurcation. As part of this analysis, the Company assessed the economic characteristics and risks of the term loan, including put and call features. The Company determined that all features of each of the 2013 Term Loan and the 2014 Term Loan are clearly and closely associated with a debt host and do not require bifurcation as a derivative liability, or the fair value of the feature is immaterial to the Company’s financial statements. The Company will continue to reassess the features on a quarterly basis to determine if they require separate accounting.

Future minimum payments, which include principal and interest due under each of the 2013 Term Loan and the 2014 Term Loan, are $1.7 million, in the aggregate, for the remainder of 2015.

 

In connection with the 2013 Term Loan, the Company issued a warrant to Silicon Valley Bank to purchase 150,000 shares of Series A Convertible Preferred Stock at an exercise price of $1.00 per share (the Series A Warrant). In connection with the 2014 Term Loan, the Company issued an additional warrant to Silicon Valley Bank to purchase 83,333 shares of Series B Convertible Preferred Stock at an exercise price of $1.20 per share (the Series B Warrant). Both warrants were exercisable immediately and have a ten‑year life. No portion of the warrants have been exercised as of March 31, 2015.

The Series A Warrant and the Series B Warrant are classified as a liability and are re‑measured to the‑then current fair value at each balance sheet date. Re‑measurement gains or losses are recorded in other income (expense) in the statements of operations. The following table sets forth a summary of changes in the fair value of the warrants which represents a recurring measurement that is classified within Level 3 of the fair value hierarchy wherein fair value is estimated using significant unobservable inputs (in thousands):

 

The Company initially valued the Series A Warrant and the Series B Warrant at issuance and at the balance sheet dates using the Black‑Scholes option pricing model. The significant assumptions used in estimating the fair value of the warrants include the volatility of the stock underlying the warrant, risk‑free interest rate, estimated fair value of the preferred stock underlying the warrant, and the estimated term of the warrant. The fair value of the preferred stock underlying the warrants was estimated using the implied value from the common stock valuations on those dates. The Company used the following weighted‑average assumptions in its Black‑Scholes option pricing model:

 

The Company recorded a debt discount upon issuance of the warrants, which is being accreted as interest expense over the remaining term of the loan. The Company also recorded a warrant liability that is classified as a long‑term liability in the accompanying balance sheets. The Company recorded interest expense related to the Series A Warrant and the Series B Warrant of less than $0.1 million in each of the three months ended March 31, 2015 and 2014.

Upon completion of the IPO, the Series A Warrant became exercisable for 27,272 shares of the Common Stock at an exercise price of $5.50 per share, and the Series B Warrant became exercisable for 15,151 shares of the Common Stock at an exercise price of $6.60 per share.

On May 13, 2015, Silicon Valley Bank exercised the Series A Warrant and the Series B Warrant pursuant to the cashless exercise feature of the warrants. In connection with the exercise of the Series A Warrant under the 2013 Term Loan, the Company issued 21,281 shares of Common Stock. Warrants to purchase 5,991 shares of Common Stock were cancelled as payment for the aggregate exercise price of the Series A Warrant. In connection with the exercise of the Series B Warrant under the 2014 Term Loan, the Company issued 11,157 shares of Common Stock. Warrants to purchase 3,994 shares of Common Stock were cancelled as payment for the aggregate exercise price of the Series B Warrant.

6. Stock Awards

The Company grants restricted stock awards, incentive stock options (ISO), and nonstatutory stock options (NSO) under the Blueprint Medicines Corporation 2011 Stock Option and Grant Plan (the Plan), as amended and restated. In February 2015, the Company amended the Blueprint Medicines Corporation 2011 Stock Option and Grant Plan to increase the number of shares available for grant to 3,590,927. At March 31, 2015, there were 190,276 shares available for future grant under the Plan. ISOs may not be granted at less than fair value on the date of the grant. Furthermore, the exercise price of ISOs granted to an employee, who at the time of grant is a 10% shareholder, may not be less than 110% of the fair value on the date of grant.

Terms of restricted stock awards and stock option agreements, including vesting requirements, are determined by the board of directors, subject to the provisions of the Plan. Options and restricted stock awards granted by the Company generally vest ratably over four years, with a one ‑ year cliff for new employee awards, and are exercisable from the date of grant for a period of ten years. For options and restricted stock awards granted to date, the exercise price equaled the estimated fair value of the Common Stock as determined by the board of directors on the date of grant. The dates of the Company’s contemporaneous valuations have not always coincided with the dates of the stock option grants. For financial reporting purposes, the Company performed common stock valuations with the assistance of a third‑party specialist, as of January 6, 2014, July 30, 2014, November 10, 2014, February 1, 2015 and March 1, 2015 to determine stock‑based compensation expense.

A summary of the Company’s unvested restricted stock and related information follows:

 

 

The Company has granted restricted stock to non‑employees which contain both performance‑based and service‑based vesting criteria. Stock‑based compensation expense associated with these performance‑based awards is recognized if the performance condition is considered probable of achievement using management’s best estimates. In the three months ended March 31, 2014 management concluded that the milestones associated with 90,909 shares of performance‑based restricted stock were probable of achievement, and the Company began to record stock‑based compensation expense using the accelerated attribution method, accordingly. The Company recorded $0.1 million of stock‑ based compensation expense for non‑employee performance‑based awards in the three months end March 31, 2014. In the three months ended December 31, 2014, management concluded that the milestones associated with an additional 90,909 shares of performance‑based restricted stock were probable of achievement, and the Company began to record stock‑based compensation expense using the accelerated attribution method accordingly.  The Company recorded $0.2 million of stock‑ based compensation expense for non‑employee performance‑based awards in the three months end March 31, 2015 related to both milestone achievements.

A summary of the Company’s stock option activity and related information follows:

 

 

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The fair value of stock options is estimated on the grant date using the Black‑Scholes option‑pricing model based on the following weighted average assumptions:

 

 

The weighted‑average grant date fair value of options granted in the three months ended March 31, 2015 and 2014 was $6.45 and $1.41, respectively. The total intrinsic value of options exercised in the three months ended March 31, 2015 was $0.1 million. There were no options exercised in the three months ended March 31, 2014.

Total stock‑based compensation expense recognized for all stock‑based compensation awards in the statements of operations is as follows (in thousands):

 

 

At March 31, 2015, there was $7.5 million of total unrecognized compensation cost related to nonvested stock awards, which is expected to be recognized over a weighted‑average period of 3.17 years. Due to an operating loss, the Company does not record tax benefits associated with stock‑based compensation or option exercises. Tax benefit will be recorded when realized.