股本结构
单位：万股
| 公告日期 | 2026-07-30 | 2026-07-30 | 2026-04-30 | 2026-04-30 | 2026-02-26 | 2026-02-26 |
|---|---|---|---|---|---|---|
| 证券总股本 | 2091.81 | 2090.59 | 2088.70 | 2087.55 | 2073.04 | 2061.04 |
| 普通股本 | 2091.81 | 2090.59 | 2088.70 | 2087.55 | 2073.04 | 2061.04 |
| 优先股 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 其他 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 变动日期 | 2026-07-24 | 2026-06-30 | 2026-04-14 | 2026-03-31 | 2026-02-20 | 2025-12-31 |
注释：中概股证券总股本=普通股股本/
存托凭证比例
历史变动
| 公告日期 | 变动后普通股本（万股） | 变动后优先股（万股） | 变动原因 | 变动日期 |
|---|---|---|---|---|
| 2026-07-30 | 2091.81 | 未披露 | 定期报告 | 2026-07-24 |
| 2026-07-30 | 2090.59 | 未披露 |
更多>>
From March 31, 2026 to June 30, 2026
Issuance of restricted stock under the Equity Plan
Issuance of common stock under the Employee Stock Purchase Plan
|
2026-06-30 |
| 2026-04-30 | 2088.70 | 未披露 | 定期报告 | 2026-04-14 |
| 2026-04-30 | 2087.55 | 未披露 | 定期报告 | 2026-03-31 |
| 2026-02-26 | 2073.04 | 未披露 | 定期报告 | 2026-02-20 |
| 2026-02-26 | 2061.04 | 未披露 |
更多>>
From December 31, 2024 to December 31, 2025
Issuance of common stock under the Employee Stock Purchase Plan
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
|
2025-12-31 |
| 2025-10-30 | 2059.82 | 未披露 | 定期报告 | 2025-10-24 |
| 2025-07-31 | 2059.09 | 未披露 | 定期报告 | 2025-07-25 |
| 2025-07-31 | 2058.39 | 未披露 |
更多>>
From March 31, 2025 to June 30, 2025
Issuance of restricted stock under the Equity Plan
Issuance of common stock under the Employee Stock Purchase Plan
|
2025-06-30 |
| 2025-04-29 | 2057.23 | 未披露 | 定期报告 | 2025-04-01 |
| 2025-05-01 | 2056.47 | 未披露 |
更多>>
From January 1, 2025 to March 31, 2025
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
|
2025-03-31 |
| 2025-02-27 | 2041.90 | 未披露 | 定期报告 | 2025-02-21 |
| 2025-02-27 | 2028.42 | 未披露 |
更多>>
From December 31, 2023 to December 31, 2024
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
Issuance of common stock under the Employee Stock Purchase Plan
|
2024-12-31 |
| 2024-10-31 | 2027.24 | 未披露 | 定期报告 | 2024-10-25 |
| 2024-10-31 | 2026.41 | 未披露 |
更多>>
From June 30, 2024 to September 30, 2024
Issuance of restricted stock under the Equity Plan
|
2024-09-30 |
| 2024-07-25 | 2026.41 | 未披露 | 定期报告 | 2024-07-19 |
| 2024-07-25 | 2025.56 | 未披露 |
更多>>
From March 31, 2024 to June 30, 2024
Issuance of restricted stock under the Equity Plan
|
2024-06-30 |
| 2024-04-29 | 2024.57 | 未披露 | 定期报告 | 2024-04-01 |
| 2024-05-02 | 2023.78 | 未披露 |
更多>>
From January 1, 2024 to March 31, 2024
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
|
2024-03-31 |
| 2024-02-22 | 2013.65 | 未披露 | 定期报告 | 2024-02-16 |
| 2024-02-22 | 1999.21 | 未披露 |
更多>>
From December 31, 2022 to December 31, 2023
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
Issuance of common stock under the Employee Stock Purchase Plan
|
2023-12-31 |
| 2023-10-26 | 1998.12 | 未披露 | 定期报告 | 2023-10-20 |
| 2023-10-26 | 1997.25 | 未披露 |
更多>>
From June 30, 2023 to September 30, 2023
Issuance of restricted stock under the 2020 Equity Plan and other
|
2023-09-30 |
| 2023-07-27 | 1996.79 | 未披露 | 定期报告 | 2023-07-21 |
| 2023-04-28 | 1994.95 | 未披露 | 定期报告 | 2023-04-01 |
| 2023-05-04 | 1994.19 | 未披露 |
更多>>
From January 1, 2023 to March 31, 2023
Issuance of common stock for vested restricted stock units under the equity plans
Purchase of common stock for tax withholding and other
|
2023-03-31 |
| 2023-02-23 | 1999.71 | 未披露 | 定期报告 | 2023-02-17 |
| 2023-02-23 | 2007.66 | 未披露 |
更多>>
From December 31, 2021 to December 31, 2022
Issuance of restricted stock under the Equity Plans
Purchase of common stock for tax withholding
|
2022-12-31 |
| 2022-10-27 | 1970.38 | 未披露 | 定期报告 | 2022-10-21 |
| 2022-04-28 | 1969.37 | 未披露 | 定期报告 | 2022-04-01 |
| 2022-04-28 | 1969.37 | 未披露 |
更多>>
From January 1, 2022 to March 31, 2022
Purchase of common stock for tax withholding and other
|
2022-03-31 |
| 2022-02-17 | 1974.25 | 未披露 | 定期报告 | 2022-02-14 |
| 2022-02-17 | 1982.80 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Issuance of common stock under the Employee Stock Purchase Plan
Purchase of common stock for tax withholding
Issuance of restricted stock under the Equity Plans
Issuance of common stock in lieu of cash compensation
|
2021-12-31 |
| 2021-11-04 | 1948.14 | 未披露 | 定期报告 | 2021-10-29 |
| 2021-11-04 | 1946.83 | 未披露 |
更多>>
From June 30, 2021 to September 30, 2021
Purchase of common stock for tax withholding
Issuance of restricted stock under the 2020 Equity Plan and other
Issuance of common stock in lieu of cash compensation
|
2021-09-30 |
| 2021-07-29 | 1946.73 | 未披露 | 定期报告 | 2021-07-23 |
| 2021-07-29 | 1940.12 | 未披露 |
更多>>
From March 31, 2021 to June 11, 2021
Purchase of common stock for tax withholding
Issuance of restricted stock under the 2020 Equity Plan and other
Issuance of common stock in lieu of cash compensation
|
2021-06-11 |
| 2021-04-29 | 1938.52 | 未披露 | 定期报告 | 2021-04-23 |
| 2021-04-29 | 1932.36 | 未披露 |
更多>>
From January 1, 2021 to March 31, 2021
Purchase of common stock for tax withholding
Issuance of restricted stock under the equity plans and other
Issuance of common stock in lieu of cash compensation
|
2021-03-31 |
| 2021-02-18 | 1936.94 | 未披露 | 定期报告 | 2021-02-12 |
| 2021-02-18 | 1938.42 | 未披露 |
更多>>
From December 31,2019 to December 31,2020
Issuance of common stock under the Employee Stock Purchase Plan
Issuance of common stock for vested restricted stock units under the 2012 Equity Plan
Purchase of common stock for tax withholding
Cash dividends declared
|
2020-12-31 |
| 2020-10-29 | 1907.74 | 未披露 | 定期报告 | 2020-10-23 |
| 2020-10-29 | 1905.20 | 未披露 |
更多>>
from June 30, 2020 to September 30, 2020
Issuance of restricted stock under the 2012 Equity Plan and other
|
2020-09-30 |
| 2020-07-30 | 1905.04 | 未披露 | 定期报告 | 2020-07-24 |
| 2020-07-30 | 1902.38 | 未披露 |
更多>>
from March 31, 2020 to June 30, 2020
Issuance of restricted stock under the 2012 Equity Plan and other
|
2020-06-30 |
| 2020-06-19 | 1902.38 | 未披露 | 定期报告 | 2020-06-19 |
| 2020-04-29 | 1900.52 | 未披露 | 定期报告 | 2020-04-24 |
| 2020-04-30 | 1899.36 | 未披露 |
更多>>
From January 1, 2020 to March 31, 2020
Purchase of common stock for tax withholding
Issuance of restricted stock under the Equity Plan and other
|
2020-03-31 |
| 2020-02-27 | 1894.49 | 未披露 | 定期报告 | 2020-02-21 |
| 2020-02-27 | 1907.16 | 未披露 |
更多>>
from December 31, 2018 to December 31, 2019
Common stock repurchase program including commissions
Issuance of restricted stock under the Equity Plan
Issuance of common stock for vested restricted stock units under the 2012 Equity Plan
Purchase of common stock for tax withholding
Issuance of restricted stock under the Equity Plan and other
|
2019-12-31 |
| 2019-10-24 | 1885.44 | 未披露 | 定期报告 | 2019-10-18 |
| 2019-10-24 | 1882.78 | 未披露 |
更多>>
from June 30, 2019 to September 30, 2019
Common stock repurchase program including commissions
Issuance of restricted stock under the Equity Plan
|
2019-09-30 |
| 2019-08-01 | 1922.91 | 未披露 | 定期报告 | 2019-07-26 |
| 2019-08-01 | 1922.20 | 未披露 |
更多>>
from March 31, 2019 to June 30,2019
Issuance of restricted stock under the Equity Plan and other
|
2019-06-30 |
| 2019-04-25 | 1921.21 | 未披露 | 定期报告 | 2019-04-19 |
| 2019-04-25 | 1920.42 | 未披露 | 定期报告 | 2019-04-01 |
| 2019-04-25 | 1920.41 | 未披露 |
更多>>
From January 1, 2019 to March 31, 2019
Purchase of common stock for tax withholding
Common stock repurchase program including commissions
Issuance of restricted stock under the Equity Plan and other
|
2019-03-31 |
| 2019-02-28 | 1934.27 | 未披露 | 定期报告 | 2019-02-22 |
| 2019-02-28 | 1938.91 | 未披露 |
更多>>
From December 31, 2017 to December 31, 2018
Issuance of common stock under the Employee Stock Purchase Plan
Issuance of common stock for vested restricted stock units under the 2012 Equity Plan
Purchase of common stock for tax withholding
Common stock repurchase program including commissions
Issuance of restricted stock under the Equity Plan
|
2018-12-31 |
| 2018-10-25 | 1945.61 | 未披露 | 定期报告 | 2018-10-19 |
| 2018-10-25 | 1944.93 | 未披露 |
更多>>
From January 1, 2018 To September 30, 2018
Adjustment to beginning balance resulting from adoption of ASC 606
Net loss for the six months, ended June 30, 2018
Estimated tax impact resulting from adoption of ASC 606
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
Repurchase of common stock for tax withholdings
Cumulative translation adjustment
Issuance of common stock under the Employee Stock Purchase Plan
|
2018-09-30 |
| 2018-07-26 | 1945.81 | 未披露 | 定期报告 | 2018-07-20 |
| 2018-07-26 | 1947.22 | 未披露 |
更多>>
From January 1, 2018 To June 30, 2018
Adjustment to beginning balance resulting from adoption of ASC 606
Net loss for the six months, ended June 30, 2018
Estimated tax impact resulting from adoption of ASC 606
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
Repurchase of common stock for tax withholdings
Cumulative translation adjustment
Issuance of common stock under the Employee Stock Purchase Plan
|
2018-06-30 |
| 2018-04-26 | 1987.44 | 未披露 | 定期报告 | 2018-04-20 |
| 2018-04-26 | 2001.23 | 未披露 | 定期报告 | 2018-04-01 |
| 2018-04-26 | 1995.68 | 未披露 |
更多>>
From January 1, 2018 To March 31, 2018
Adjustment to beginning balance resulting from adoption of ASC 606
Net income for the three months, ended March 31, 2018
Estimated tax impact resulting from adoption of ASC 606
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
Repurchase of common stock for tax withholdings
Cumulative translation adjustment
|
2018-03-31 |
| 2018-03-01 | 2001.84 | 未披露 | 定期报告 | 2018-02-26 |
| 2018-03-01 | 2013.55 | 未披露 |
更多>>
From December 31, 2016 To December 31, 2017
Issuance of common stock under the Employee Stock Purchase Plan
Issuance of common stock for vested restricted stock units under the Equity Plan
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
|
2017-12-31 |
| 2017-10-26 | 1998.33 | 未披露 | 定期报告 | 2017-10-20 |
| 2017-10-26 | 1997.73 | 未披露 |
更多>>
From January 1, 2017 to September 30, 2017
Net income for the six months ended June 30, 2017
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
|
2017-09-30 |
| 2017-07-27 | 1997.73 | 未披露 | 定期报告 | 2017-07-21 |
| 2017-07-27 | 1997.21 | 未披露 |
更多>>
from January 1, 2017 to June 30, 2017
Net income for the six months ended June 30, 2017
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
|
2017-06-30 |
| 2017-04-27 | 2053.57 | 未披露 | 定期报告 | 2017-04-21 |
| 2017-04-27 | 2053.08 | 未披露 |
更多>>
from January 1, 2017 to March 31, 2017
Net income for the three months ended March 31, 2017
Cash dividends declared
Amortization of stock based compensation
|
2017-03-31 |
| 2017-03-02 | 2053.08 | 未披露 | 定期报告 | 2017-02-24 |
| 2017-03-02 | 2052.56 | 未披露 |
更多>>
From December 31, 2015 to December 31, 2016
Issuance of common stock under the Employee Stock Purchase Plan
Purchased and retired common stock
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
|
2016-12-31 |
| 2016-10-27 | 2053.84 | 未披露 | 定期报告 | 2016-10-21 |
| 2016-10-27 | 2053.23 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-07-28 | 2054.62 | 未披露 | 定期报告 | 2016-07-22 |
| 2016-07-28 | 2054.06 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-04-28 | 2060.44 | 未披露 | 定期报告 | 2016-04-22 |
| 2016-04-29 | 2060.64 | 未披露 | 定期报告 | 2016-04-01 |
| 2016-04-28 | 2060.36 | 未披露 | 定期报告 | 2016-03-31 |
| 2016-02-25 | 2065.61 | 未披露 | 定期报告 | 2016-02-19 |
| 2016-02-25 | 2088.63 | 未披露 |
更多>>
From December 31, 2014 to December 31, 2015
Purchase of common stock for tax withholding, net
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
|
2015-12-31 |
| 2015-10-29 | 2100.14 | 未披露 | 定期报告 | 2015-10-23 |
| 2015-10-29 | 2106.95 | 未披露 | 定期报告 | 2015-09-30 |
| 2015-07-30 | 2150.89 | 未披露 | 定期报告 | 2015-07-24 |
| 2015-07-30 | 2156.69 | 未披露 | 定期报告 | 2015-06-30 |
| 2015-04-30 | 2174.42 | 未披露 | 定期报告 | 2015-04-27 |
| 2015-04-30 | 2173.94 | 未披露 | 定期报告 | 2015-03-31 |
| 2015-03-05 | 2196.68 | 未披露 | 定期报告 | 2015-02-27 |
| 2015-03-05 | 2197.88 | 未披露 |
更多>>
from December 31, 2013 to December 31, 2014
Issuance of common stock under the Equity Plan
Issuance of restricted common stock under the Equity Plan
Common stock repurchase program
Issuance of common stock for vested restricted stock units under the Equity Plan
|
2014-12-31 |
| 2014-10-30 | 2168.28 | 未披露 | 定期报告 | 2014-10-24 |
| 2014-10-30 | 2167.57 | 未披露 | 定期报告 | 2014-09-30 |
| 2014-07-31 | 2167.57 | 未披露 | 定期报告 | 2014-07-25 |
| 2014-07-31 | 2166.39 | 未披露 | 定期报告 | 2014-06-30 |
| 2014-04-07 | 2166.39 | 未披露 | 定期报告 | 2014-04-01 |
| 2014-05-01 | 2165.88 | 未披露 | 定期报告 | 2014-03-31 |
| 2014-03-11 | 2165.23 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Issuance of common stock under the Equity Plan
urchased and retired common stock and other
Issuance of restricted common stock under the Equity Plan
|
2013-12-31 |
| 2013-08-02 | 2164.61 | 未披露 | 定期报告 | 2013-07-26 |
| 2013-04-15 | 2171.14 | 未披露 | 定期报告 | 2013-04-05 |
| 2013-04-15 | 2170.14 | 未披露 |
更多>>
from December 31, 2011 to December 31, 2012
Issuance of common stock under the Equity Plan
Vested restricted stock units under the Equity Plan
Purchased and retired common stock and other
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
|
2012-12-31 |
| 2012-11-02 | 2194.04 | 未披露 | 定期报告 | 2012-11-01 |
| 2012-11-02 | 2171.46 | 未披露 | 定期报告 | 2012-09-30 |
| 2012-07-31 | 2214.95 | 未披露 | 定期报告 | 2012-07-27 |
| 2012-05-04 | 2214.54 | 未披露 | 定期报告 | 2012-04-27 |
| 2012-02-23 | 2211.20 | 未披露 | 定期报告 | 2012-02-17 |
| 2011-10-27 | 2210.82 | 未披露 | 定期报告 | 2011-10-21 |
| 2011-07-28 | 2210.43 | 未披露 | 定期报告 | 2011-07-22 |
| 2011-05-05 | 2210.08 | 未披露 | 定期报告 | 2011-04-29 |
| 2011-02-24 | 2206.98 | 未披露 | 定期报告 | 2011-02-18 |
| 2010-10-28 | 2206.68 | 未披露 | 定期报告 | 2010-10-22 |
| 2010-07-29 | 2206.35 | 未披露 | 定期报告 | 2010-07-23 |
| 2010-05-06 | 2213.82 | 未披露 | 定期报告 | 2010-04-30 |
| 2010-02-25 | 2250.02 | 未披露 | 定期报告 | 2010-02-19 |
| 2010-02-25 | 2249.54 | 未披露 |
更多>>
from December 31, 2008 to December 31, 2009
Issuance of common stock under the Equity Plan
Purchased and retired common stock, net
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
|
2009-12-31 |
| 2009-03-04 | 2281.60 | 未披露 | 定期报告 | 2009-02-27 |
| 2009-03-04 | 2295.08 | 未披露 |
更多>>
from December 31, 2007 to December 31, 2008
Issuance of common stock under the Equity Plan and other
Purchased and retired common stock, net
Common stock repurchase program
Issuance, net of forfeitures, of restricted common stock and restricted stock units under the Equity Plan
|
2008-12-31 |
| 2008-03-13 | 2731.24 | 未披露 | 定期报告 | 2008-03-07 |
| 2008-03-13 | 2730.54 | 未披露 | 定期报告 | 2007-12-31 |
| 2007-03-15 | 2731.81 | 未披露 | 定期报告 | 2007-03-07 |
| 2007-03-15 | 2734.00 | 未披露 | 定期报告 | 2006-12-31 |
| 2006-05-25 | 2734.70 | 未披露 | 定期报告 | 2006-05-19 |
| 2006-05-25 | 2721.55 | 未披露 | 定期报告 | 2005-12-31 |
| 2005-03-17 | 2682.86 | 未披露 | 定期报告 | 2005-03-01 |
| 2005-03-17 | 2682.71 | 未披露 |
更多>>
from December 31, 2003 to December 31, 2004
Issuance of 7,236,868 shares of common stock and 317,044 options to purchase common stock in conjunction with the Metrocall merger
Purchase of treasury stock
Treasury stock recorded from unrecognized compensation expense of terminated management participating in the restricted stock plan
Retirement of treasury stock
|
2004-12-31 |
From March 31, 2026 to June 30, 2026
Issuance of restricted stock under the Equity Plan
Issuance of common stock under the Employee Stock Purchase Plan
From December 31, 2024 to December 31, 2025
Issuance of common stock under the Employee Stock Purchase Plan
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
From March 31, 2025 to June 30, 2025
Issuance of restricted stock under the Equity Plan
Issuance of common stock under the Employee Stock Purchase Plan
From January 1, 2025 to March 31, 2025
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
From December 31, 2023 to December 31, 2024
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
Issuance of common stock under the Employee Stock Purchase Plan
From June 30, 2024 to September 30, 2024
Issuance of restricted stock under the Equity Plan
From March 31, 2024 to June 30, 2024
Issuance of restricted stock under the Equity Plan
From January 1, 2024 to March 31, 2024
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
From December 31, 2022 to December 31, 2023
Issuance of restricted stock under the Equity Plan
Purchase of common stock for tax withholding
Issuance of common stock under the Employee Stock Purchase Plan
From June 30, 2023 to September 30, 2023
Issuance of restricted stock under the 2020 Equity Plan and other
From January 1, 2023 to March 31, 2023
Issuance of common stock for vested restricted stock units under the equity plans
Purchase of common stock for tax withholding and other
From December 31, 2021 to December 31, 2022
Issuance of restricted stock under the Equity Plans
Purchase of common stock for tax withholding
From January 1, 2022 to March 31, 2022
Purchase of common stock for tax withholding and other
From December 31, 2020 to December 31, 2021
Issuance of common stock under the Employee Stock Purchase Plan
Purchase of common stock for tax withholding
Issuance of restricted stock under the Equity Plans
Issuance of common stock in lieu of cash compensation
From June 30, 2021 to September 30, 2021
Purchase of common stock for tax withholding
Issuance of restricted stock under the 2020 Equity Plan and other
Issuance of common stock in lieu of cash compensation
From March 31, 2021 to June 11, 2021
Purchase of common stock for tax withholding
Issuance of restricted stock under the 2020 Equity Plan and other
Issuance of common stock in lieu of cash compensation
From January 1, 2021 to March 31, 2021
Purchase of common stock for tax withholding
Issuance of restricted stock under the equity plans and other
Issuance of common stock in lieu of cash compensation
From December 31,2019 to December 31,2020
Issuance of common stock under the Employee Stock Purchase Plan
Issuance of common stock for vested restricted stock units under the 2012 Equity Plan
Purchase of common stock for tax withholding
Cash dividends declared
from June 30, 2020 to September 30, 2020
Issuance of restricted stock under the 2012 Equity Plan and other
from March 31, 2020 to June 30, 2020
Issuance of restricted stock under the 2012 Equity Plan and other
From January 1, 2020 to March 31, 2020
Purchase of common stock for tax withholding
Issuance of restricted stock under the Equity Plan and other
from December 31, 2018 to December 31, 2019
Common stock repurchase program including commissions
Issuance of restricted stock under the Equity Plan
Issuance of common stock for vested restricted stock units under the 2012 Equity Plan
Purchase of common stock for tax withholding
Issuance of restricted stock under the Equity Plan and other
from June 30, 2019 to September 30, 2019
Common stock repurchase program including commissions
Issuance of restricted stock under the Equity Plan
from March 31, 2019 to June 30,2019
Issuance of restricted stock under the Equity Plan and other
From January 1, 2019 to March 31, 2019
Purchase of common stock for tax withholding
Common stock repurchase program including commissions
Issuance of restricted stock under the Equity Plan and other
From December 31, 2017 to December 31, 2018
Issuance of common stock under the Employee Stock Purchase Plan
Issuance of common stock for vested restricted stock units under the 2012 Equity Plan
Purchase of common stock for tax withholding
Common stock repurchase program including commissions
Issuance of restricted stock under the Equity Plan
From January 1, 2018 To September 30, 2018
Adjustment to beginning balance resulting from adoption of ASC 606
Net loss for the six months, ended June 30, 2018
Estimated tax impact resulting from adoption of ASC 606
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
Repurchase of common stock for tax withholdings
Cumulative translation adjustment
Issuance of common stock under the Employee Stock Purchase Plan
From January 1, 2018 To June 30, 2018
Adjustment to beginning balance resulting from adoption of ASC 606
Net loss for the six months, ended June 30, 2018
Estimated tax impact resulting from adoption of ASC 606
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
Repurchase of common stock for tax withholdings
Cumulative translation adjustment
Issuance of common stock under the Employee Stock Purchase Plan
From January 1, 2018 To March 31, 2018
Adjustment to beginning balance resulting from adoption of ASC 606
Net income for the three months, ended March 31, 2018
Estimated tax impact resulting from adoption of ASC 606
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
Repurchase of common stock for tax withholdings
Cumulative translation adjustment
From December 31, 2016 To December 31, 2017
Issuance of common stock under the Employee Stock Purchase Plan
Issuance of common stock for vested restricted stock units under the Equity Plan
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
From January 1, 2017 to September 30, 2017
Net income for the six months ended June 30, 2017
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
from January 1, 2017 to June 30, 2017
Net income for the six months ended June 30, 2017
Cash dividends declared
Common stock repurchase program
Amortization of stock based compensation
from January 1, 2017 to March 31, 2017
Net income for the three months ended March 31, 2017
Cash dividends declared
Amortization of stock based compensation
From December 31, 2015 to December 31, 2016
Issuance of common stock under the Employee Stock Purchase Plan
Purchased and retired common stock
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
From December 31, 2014 to December 31, 2015
Purchase of common stock for tax withholding, net
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
from December 31, 2013 to December 31, 2014
Issuance of common stock under the Equity Plan
Issuance of restricted common stock under the Equity Plan
Common stock repurchase program
Issuance of common stock for vested restricted stock units under the Equity Plan
from December 31, 2012 to December 31, 2013
Issuance of common stock under the Equity Plan
urchased and retired common stock and other
Issuance of restricted common stock under the Equity Plan
from December 31, 2011 to December 31, 2012
Issuance of common stock under the Equity Plan
Vested restricted stock units under the Equity Plan
Purchased and retired common stock and other
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
from December 31, 2008 to December 31, 2009
Issuance of common stock under the Equity Plan
Purchased and retired common stock, net
Common stock repurchase program
Issuance of restricted common stock under the Equity Plan
from December 31, 2007 to December 31, 2008
Issuance of common stock under the Equity Plan and other
Purchased and retired common stock, net
Common stock repurchase program
Issuance, net of forfeitures, of restricted common stock and restricted stock units under the Equity Plan
from December 31, 2003 to December 31, 2004
Issuance of 7,236,868 shares of common stock and 317,044 options to purchase common stock in conjunction with the Metrocall merger
Purchase of treasury stock
Treasury stock recorded from unrecognized compensation expense of terminated management participating in the restricted stock plan
Retirement of treasury stock