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Employee Incentive Plans | 6 Months Ended
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Jun. 30, 2016
Employee Incentive Plans [Abstract] |
Employee Incentive Plans | 9. Employee Incentive Plans Defined Contribution Plan The Company offers substantially all employees of U.S.-based Operating Companies who have met minimum service requirements the opportunity to participate in defined contribution retirement plans qualifying under the provisions of Section 401(k) of the Internal Revenue Code. The general purpose of this plan is to provide employees with an incentive to make regular savings in order to provide additional financial security during retirement. This plan provides for the Company to match 50% of the employees’ pre-tax contribution, up to a maximum of 10% of eligible earnings. The employee is vested in the matching contribution incrementally over six years. Included in employee compensation and benefits expenses in the condensed consolidated statements of comprehensive income were $2 million and $1 million of plan contributions for the six months ended June 30, 2016 and 2015, respectively. 2007 ROI Unit Stock Plan In connection with the IPO, the Company adopted the IBG, Inc. 2007 ROI Unit Stock Plan (“ROI Unit Stock Plan”). An aggregate of 1,271,009 shares of restricted common stock (consisting of 1,250,000 shares issued under the ROI Unit Stock Plan and 21,009 shares under the 2007 Stock Incentive Plan, as described below), with a fair value at the date of grant of $38 million were issued to IBG LLC and held as treasury stock. As of June 30, 2016, the Company has 5,373 shares of common stock remaining to be distributed to former employees under the ROI Unit Stock Plan. 2007 Stock Incentive Plan Under the Company’s 2007 Stock Incentive Plan (the “Stock Incentive Plan”), up to 30 million shares of the Company’s common stock may be granted and issued to directors, officers, employees, contractors and consultants of the Company. The purpose of the Stock Incentive Plan is to promote the Company’s long‑term financial success by attracting, retaining and rewarding eligible participants. As a result of the Company’s organizational structure, a description of which can be found on page 4 of the Company’s A nnual Report Form 10-K, in Part I Item 1, there is no dilutive effect upon ownership of common stockholders of issuing shares under the Stock Incentive Plan. The issuances do not dilute the book value of the ownership of common stockholders since the restricted stock units are granted at market value, and upon their vesting and the related issuance of shares of c ommon stock, the ownership of IBG, Inc. in IBG LLC, increases proportionately to the shares issued. As a result of such proportionate increase in share ownership, the dilution upon issuance of common stock is borne by IBG LLC’s majority member (i.e., noncontrolling interest), Holdings, and not by IBG, Inc. or its common stockholders. Additionally, dilution of earnings that may take place after issuance of common stock is reflected in EPS reported in the Company’s financial statements. The EPS dilution can be neither estimated nor projected, but historically it has not been material. The Stock Incentive Plan is administered by the Compensation Committee of the Company’s Board of Directors. The Compensation Committee has discretionary authority to determine the eligibility to participate in the Stock Incentive Plan and establishes the terms and conditions of the stock awards, including the number of awards granted to each participant and all other terms and conditions applicable to such awards in individual grant agreements. Awards are expected to be made primarily through grants of restricted common stock. Stock Incentive Plan awards are subject to issuance over time and may be forfeited upon the participant’s termination of employment or violation of certain applicable covenants prior to issuance, unless determined otherwise by the Compensation Committee. The Stock Incentive Plan provides that, upon a change in control, the Compensation Committee may, at its discretion, fully vest any granted but not yet earned awards under the Stock Incentive Plan, or provide that any such granted but not yet earned awards will be honored or assumed, or new rights substituted by the new employer on a substantially similar basis and on terms and conditions substantially comparable to those of the Stock Incentive Plan. The Company expect s to continue to grant awards on or about December 31 of each year to eligible participants as part of an overall plan of equity compensation. Shares of common stock vest, and become distributable to participants in accordance with the following schedule: •10% on the first vesting date, which is on or about May 9 of each year; and •an additional 15% on each of the following six anniversaries of the first vesting, assuming continued employment with the Company and compliance with non-competition and other applicable covenants. Awards granted to external directors vest, and are distributed, over a five‑year period (20% per year) commencing one year after the date of grant. A total of 22,996 shares have been granted to the external directors cumulatively since the plan inception. Stock Incentive Plan share grants (excluding 21,009 shares issued pursuant to the ROI Unit Stock Plan described above) and the related fair values since the plan inception are presented in the table below: ﻿
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ |  |  |  | Fair Value at
﻿ |  |  |  | Date of Grant
﻿ |  | Shares |  | ($ millions)
﻿Prior periods (since inception) |  | 17,284,454 |  | $ | 302
﻿December 31, 2013 |  | 1,894,046 |  |  | 46
﻿December 31, 2014 |  | 1,709,968 |  |  | 49
﻿December 31, 2015 |  | 1,211,067 | 1 |  | 52
﻿ |  | 22,099,535 |  | $ | 449
﻿
| (1) |  | Stock Incentive Plan number of granted shares related to 2015 was adjusted by 11,988 additional shares during the six months ended June, 30, 2016.
﻿ Estimated future grants under the Stock Incentive Plan are accrued for ratably during each year (see Note 2). In accordance with the vesting schedule, outstanding awards vest and are distributed to participants yearly on or about May 9 of each year. At the end of each year, there are no vested awards that remain undistributed. Compensation expense related to the Stock Incentive Plan recognized in the condensed consolidated statements of comprehensive income was $22 million and $24 million for the six months ended June 30, 2016 and 2015, respectively. Estimated future compensation costs for unvested awards, net of forfeiture credits, as of June 30, 2016 are $29 million. The following summarizes the Stock Incentive Plan and ROI Unit Stock Plan activities from December 31, 2015 through June 30, 2016: ﻿
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ |  | Stock |  | ROI Unit |
﻿ |  | Incentive Plan |  | Stock Plan |
﻿ |  | Shares |  | (Shares) |
﻿Balance, December 31, 2015 |  | 8,937,519 | 1 | 6,370 |
﻿Granted |  | — |  | — |
﻿Forfeited |  | (55,653) |  | — |
﻿Distributed |  | (2,395,177) |  | (997) |
﻿Balance, June 30, 2016 |  | 6,486,689 |  | 5,373 |
﻿
| (1) |  | Stock Incentive Plan number of granted shares related to 2015 was adjusted by 11,988 additional shares during the six months ended June 30, 2016.
﻿ Awards granted under the stock plans are subject to forfeiture in the event a participant ceases employment with the Company. The stock plans provide that participants who discontinue employment with the Company without cause and continue to meet the terms of the plans’ post‑employment provisions will forfeit 50% of unvested previously granted awards unless the participant is over the age of 59, in which case the participant would be eligible to receive 100% of unvested awards previously granted. Distributions of remaining awards granted on or before January 1, 2009 to former participants will occur within 90 days of the anniversary of the termination of employment date over a five (5) year vesting schedule, 12.5% in each of the first four years and 50% in the fifth year. Distributions of remaining awards granted on or after January 1, 2010 to former participants will occur over the remaining vesting schedule applicable to each grant. Through June 30, 2016, a total of 441,802 shares have been distributed under these post‑employment provisions. These distributions are included in the table above.

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