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Stock Options | 9 Months Ended
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Sep. 30, 2016
Stock Options |
Stock Options | Note 5 — Stock Options On April 5, 2012, the Board of Directors adopted the 2012 International Bancshares Corporation Stock Option Plan (the “2012 Plan”). There are 800,000 shares available for stock option grants under the 2012 Plan. Under the 2012 Plan, both qualified incentive stock options (“ISOs”) and non-qualified stock options (“NQSOs”) may be granted. Options granted may be exercisable for a period of up to 10 years from the date of grant, excluding ISOs granted to 10% shareholders, which may be exercisable for a period of up to only five years. As of September 30, 2016, 201,250 shares were available for future grants under the 2012 Plan. A summary of option activity under the stock option plans for the nine months ended September 30, 2016 is as follows:
|  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  | Weighted |  | average |  |  |  |
|  |  |  | average |  | remaining |  | Aggregate |
|  | Number of |  | exercise |  | contractual |  | intrinsic |
|  | options |  | price |  | term (years) |  | value ($) |
|  |  |  |  |  |  |  |  | (in Thousands) |
Options outstanding at December 31, 2015 |  | 871,727 |  | $ | 19.08 |  |  |  |  |  |
Plus: Options granted |  | 4,000 |  |  | 22.07 |  |  |  |  |  |
Less: |  |  |  |  |  |  |  |  |  |  |
Options exercised |  | 22,151 |  |  | 11.73 |  |  |  |  |  |
Options expired |  | — |  |  | — |  |  |  |  |  |
Options forfeited |  | 30,500 |  |  | 21.58 |  |  |  |  |  |
Options outstanding at September 30, 2016 |  | 823,076 |  |  | 19.20 |  | 6.01 |  | $ | 8,707 |
Options fully vested and exercisable at September 30, 2016 |  | 241,771 |  | $ | 15.79 |  | 3.80 |  | $ | 3,383 |
Stock-based compensation expense included in the consolidated statements of income for the three and nine months ended September 30, 2016 was approximately $268,000 and $822,000, respectively. Stock-based compensation expense included in the consolidated statements of income for the three and nine months ended September 30, 2015 was approximately $289,000 and $872,000, respectively. As of September 30, 2016, there was approximately $2,541,000 of total unrecognized stock-based compensation cost related to non-vested options granted under the Company plans that will be recognized over a weighted average period of 1.8 years.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=65895303&loc=d3e17540-113929 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 + Details
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