股本结构
单位：万股
| 公告日期 | 2025-11-13 | 2025-11-13 | 2025-08-13 | 2025-08-13 | 2025-05-14 | 2025-05-14 |
|---|---|---|---|---|---|---|
| 证券总股本 | 4662.32 | 4621.80 | 4612.49 | 4607.80 | 4560.37 | 4560.40 |
| 普通股本 | 4662.32 | 4621.80 | 4612.49 | 4607.80 | 4560.37 | 4560.40 |
| 优先股 | 未披露 | 88.30 | 未披露 | 88.30 | 未披露 | 88.30 |
| 其他 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 | 未披露 |
| 变动日期 | 2025-11-01 | 2025-09-30 | 2025-08-01 | 2025-06-30 | 2025-05-01 | 2025-03-31 |
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 |
|---|---|---|---|---|
| 2025-11-13 | 4662.32 | 未披露 | 定期报告 | 2025-11-01 |
| 2025-11-13 | 4621.80 | 88.30 | 定期报告 | 2025-09-30 |
| 2025-08-13 | 4612.49 | 未披露 | 定期报告 | 2025-08-01 |
| 2025-08-13 | 4607.80 | 88.30 | 定期报告 | 2025-06-30 |
| 2025-05-14 | 4560.37 | 未披露 | 定期报告 | 2025-05-01 |
| 2025-05-14 | 4560.40 | 88.30 |
更多>>
From December 31, 2024 to March 31, 2025
Noncontrolling interest portion of Tongmei stock-based compensation
|
2025-03-31 |
| 2025-03-14 | 4559.80 | 未披露 | 定期报告 | 2025-03-01 |
| 2025-03-14 | 4535.80 | 88.30 |
更多>>
From December 31, 2023 to December 31, 2024
Restricted stock awards canceled
Common stock options exercised
Issuance of common stock in the form of restricted stock
|
2024-12-31 |
| 2024-11-12 | 4475.06 | 未披露 | 定期报告 | 2024-11-01 |
| 2024-11-12 | 4467.70 | 88.30 |
更多>>
From June 30, 2024 to September 30, 2024
Common stock options exercised
|
2024-09-30 |
| 2024-08-09 | 4448.22 | 未披露 | 定期报告 | 2024-08-01 |
| 2024-08-09 | 4448.20 | 88.30 | 定期报告 | 2024-06-30 |
| 2024-05-10 | 4439.88 | 未披露 | 定期报告 | 2024-05-01 |
| 2024-05-10 | 4439.90 | 88.30 | 定期报告 | 2024-03-31 |
| 2024-03-15 | 4424.82 | 未披露 | 定期报告 | 2024-03-01 |
| 2024-03-15 | 4423.90 | 88.30 |
更多>>
From December 31, 2022 to December 31, 2023
Issuance of common stock in the form of restricted stock
Restricted stock awards canceled
Common stock options exercised
|
2023-12-31 |
| 2023-11-09 | 4364.43 | 未披露 | 定期报告 | 2023-11-01 |
| 2023-11-09 | 4364.40 | 88.30 | 定期报告 | 2023-09-30 |
| 2023-08-09 | 4365.69 | 未披露 | 定期报告 | 2023-08-01 |
| 2023-08-09 | 4365.70 | 88.30 | 定期报告 | 2023-06-30 |
| 2023-05-10 | 4358.69 | 未披露 | 定期报告 | 2023-05-01 |
| 2023-05-10 | 4358.60 | 88.30 | 定期报告 | 2023-03-31 |
| 2023-04-07 | 4355.34 | 未披露 | 定期报告 | 2023-03-24 |
| 2023-03-16 | 4356.87 | 未披露 | 定期报告 | 2023-03-01 |
| 2023-03-16 | 4355.40 | 176.60 |
更多>>
From December 31, 2021 to December 31, 2022
Restricted stock awards canceled
Common stock options exercised
Issuance of common stock in the form of restricted stock
|
2022-12-31 |
| 2022-11-10 | 4355.34 | 未披露 | 定期报告 | 2022-11-01 |
| 2022-11-10 | 4316.10 | 88.30 | 定期报告 | 2022-09-30 |
| 2022-08-12 | 4305.95 | 未披露 | 定期报告 | 2022-08-01 |
| 2022-08-12 | 4306.00 | 88.30 | 定期报告 | 2022-06-30 |
| 2022-05-09 | 4295.19 | 未披露 | 定期报告 | 2022-05-01 |
| 2022-05-09 | 4295.20 | 88.30 | 定期报告 | 2022-03-31 |
| 2022-04-08 | 4295.19 | 未披露 | 定期报告 | 2022-03-25 |
| 2022-03-15 | 4296.05 | 未披露 | 定期报告 | 2022-03-01 |
| 2022-03-15 | 4288.60 | 88.30 |
更多>>
From December 31, 2020 to December 31, 2021
Common stock options exercised
Formation of new subsidiary with noncontrolling interests
Transfer of subsidiary with noncontrolling interests
Restricted stock awards canceled
Stock-based compensation
Issuance of common stock in the form of restricted stock
Purchase of subsidiary shares from noncontrolling interests
Transfer of subsidiary with redeemable noncontrolling interests
Noncontrolling interest portion of Tongmei stock-based compensation
Sale of common stock to employees in connection with the reorganization
|
2021-12-31 |
| 2021-11-12 | 4277.07 | 未披露 | 定期报告 | 2021-11-01 |
| 2021-11-12 | 4265.70 | 88.30 |
更多>>
From June 30, 2021 to September 30, 2021
Common stock options exercised
|
2021-09-30 |
| 2021-08-12 | 4250.66 | 未披露 | 定期报告 | 2021-08-01 |
| 2021-08-12 | 4248.00 | 88.30 | 定期报告 | 2021-06-30 |
| 2021-05-14 | 4230.00 | 未披露 | 定期报告 | 2021-05-01 |
| 2021-05-14 | 4227.60 | 88.30 | 定期报告 | 2021-03-31 |
| 2021-04-09 | 4218.63 | 未披露 | 定期报告 | 2021-03-23 |
| 2021-03-23 | 4208.68 | 未披露 | 定期报告 | 2021-03-01 |
| 2021-03-23 | 4196.70 | 88.30 |
更多>>
from December 31, 2019 to December 31, 2020
Common stock options exercised
Restricted stock awards canceled
Issuance of common stock in the form of restricted stock
|
2020-12-31 |
| 2020-11-06 | 4130.00 | 未披露 | 定期报告 | 2020-11-01 |
| 2020-11-06 | 4113.50 | 88.30 | 定期报告 | 2020-09-30 |
| 2020-08-10 | 4099.71 | 未披露 | 定期报告 | 2020-08-01 |
| 2020-08-07 | 4088.90 | 88.30 | 定期报告 | 2020-06-30 |
| 2020-05-08 | 4084.59 | 未披露 | 定期报告 | 2020-05-01 |
| 2020-05-08 | 4082.70 | 88.30 | 定期报告 | 2020-03-31 |
| 2020-03-12 | 4082.67 | 未披露 | 定期报告 | 2020-03-04 |
| 2020-03-12 | 4063.20 | 88.30 |
更多>>
from December 31, 2018 to December 31, 2019
Common stock options exercised
Restricted stock awards canceled
Issuance of common stock in the form of restricted stock
|
2019-12-31 |
| 2019-11-08 | 4021.98 | 未披露 | 定期报告 | 2019-11-01 |
| 2019-11-08 | 4022.00 | 88.30 | 定期报告 | 2019-09-30 |
| 2019-08-08 | 4020.46 | 未披露 | 定期报告 | 2019-08-01 |
| 2019-08-08 | 4020.50 | 88.30 | 定期报告 | 2019-06-30 |
| 2019-05-08 | 4010.08 | 未披露 | 定期报告 | 2019-05-01 |
| 2019-05-08 | 3999.60 | 88.30 | 定期报告 | 2019-03-31 |
| 2019-04-12 | 3999.60 | 未披露 | 定期报告 | 2019-03-29 |
| 2019-03-11 | 3998.40 | 未披露 | 定期报告 | 2019-03-04 |
| 2019-03-11 | 3998.50 | 88.30 |
更多>>
From December 31, 2017 To December 31, 2018
Common stock options exercised
Issuance of common stock in the form of restricted stock
Restricted stock awards canceled
Stock-based compensation
Purchase of subsidiary shares from noncontrolling interest
|
2018-12-31 |
| 2018-11-07 | 3953.78 | 未披露 | 定期报告 | 2018-11-01 |
| 2018-11-07 | 3953.80 | 88.30 | 定期报告 | 2018-09-30 |
| 2018-08-07 | 3951.09 | 未披露 | 定期报告 | 2018-08-01 |
| 2018-08-07 | 3951.10 | 88.30 | 定期报告 | 2018-06-30 |
| 2018-05-04 | 3943.83 | 未披露 | 定期报告 | 2018-05-01 |
| 2018-05-04 | 3943.80 | 88.30 | 定期报告 | 2018-03-31 |
| 2018-04-13 | 3943.83 | 未披露 | 定期报告 | 2018-03-29 |
| 2018-03-09 | 3941.23 | 未披露 | 定期报告 | 2018-03-05 |
| 2018-03-09 | 3941.30 | 88.30 |
更多>>
From December 31, 2016 To December 31, 2017
Common stock options exercised
Issuance of common stock in the form of restricted stock
Issuance of common stock, net of stock issuance costs of $2,639
|
2017-12-31 |
| 2017-11-08 | 3889.13 | 未披露 | 定期报告 | 2017-11-08 |
| 2017-11-08 | 3889.10 | 88.30 |
更多>>
From December 31, 2016 To September 30, 2017
Common stock options exercised
Issuance of common stock, net of stock issuance costs of $2,639
|
2017-09-30 |
| 2017-08-04 | 3865.46 | 未披露 | 定期报告 | 2017-08-01 |
| 2017-08-04 | 3865.50 | 88.30 | 定期报告 | 2017-06-30 |
| 2017-05-08 | 3858.08 | 88.30 | 定期报告 | 2017-03-31 |
| 2017-02-27 | 3303.15 | 未披露 | 定期报告 | 2017-02-27 |
| 2017-02-27 | 3303.20 | 88.30 |
更多>>
from December 31, 2015 to December 31, 2016
Common stock options exercised
Restricted stock awards canceled
Issuance of common stock in the form of restricted stock
|
2016-12-31 |
| 2016-10-24 | 3255.94 | 88.30 | 定期报告 | 2016-09-30 |
| 2016-08-05 | 3239.07 | 未披露 | 定期报告 | 2016-08-02 |
| 2016-08-05 | 3239.10 | 88.30 | 定期报告 | 2016-06-30 |
| 2016-05-06 | 3234.12 | 未披露 | 定期报告 | 2016-05-02 |
| 2016-05-06 | 3234.10 | 88.30 | 定期报告 | 2016-03-31 |
| 2016-03-11 | 3234.12 | 未披露 | 定期报告 | 2016-03-07 |
| 2016-03-11 | 3254.80 | 88.30 |
更多>>
From December 31, 2014 to December 31, 2015
Common stock options exercised
Common stock repurchased
Restricted stock awards canceled
Issuance of common stock in the form of restricted stock
|
2015-12-31 |
| 2015-11-06 | 3254.13 | 未披露 | 定期报告 | 2015-11-03 |
| 2015-11-06 | 3238.80 | 88.30 | 定期报告 | 2015-09-30 |
| 2015-08-07 | 3263.12 | 未披露 | 定期报告 | 2015-08-03 |
| 2015-08-07 | 3263.10 | 88.30 | 定期报告 | 2015-06-30 |
| 2015-05-08 | 3266.10 | 未披露 | 定期报告 | 2015-05-01 |
| 2015-05-08 | 3266.10 | 88.30 | 定期报告 | 2015-03-31 |
| 2015-04-08 | 3267.81 | 未披露 | 定期报告 | 2015-03-27 |
| 2015-03-13 | 3284.08 | 未披露 | 定期报告 | 2015-03-03 |
| 2015-03-13 | 3283.70 | 88.30 |
更多>>
From December 31,2013 to December 31,2014
Common stock options exercised
Issuance of common stock in the form of restricted stock
|
2014-12-31 |
| 2014-11-06 | 3283.73 | 未披露 | 定期报告 | 2014-11-03 |
| 2014-11-06 | 3277.10 | 88.30 | 定期报告 | 2014-09-30 |
| 2014-08-08 | 3266.45 | 未披露 | 定期报告 | 2014-08-04 |
| 2014-08-08 | 3266.50 | 88.30 | 定期报告 | 2014-06-30 |
| 2014-05-09 | 3260.50 | 未披露 | 定期报告 | 2014-05-05 |
| 2014-05-09 | 3260.50 | 88.30 | 定期报告 | 2014-03-31 |
| 2014-03-14 | 3260.50 | 未披露 | 定期报告 | 2014-03-03 |
| 2014-03-14 | 3260.50 | 88.30 |
更多>>
From December 31,2012 to December 31,2013
Common stock options exercised
Common stock repurchased
Issuance of common stock in the form of restricted stock
|
2013-12-31 |
| 2013-11-08 | 3259.82 | 未披露 | 定期报告 | 2013-11-02 |
| 2013-11-08 | 3261.20 | 88.30 | 定期报告 | 2013-09-30 |
| 2013-08-09 | 3260.74 | 未披露 | 定期报告 | 2013-08-02 |
| 2013-08-09 | 3260.70 | 88.30 | 定期报告 | 2013-06-30 |
| 2013-05-10 | 3265.43 | 未披露 | 定期报告 | 2013-05-03 |
| 2013-05-10 | 3265.40 | 88.30 | 定期报告 | 2013-03-31 |
| 2013-03-29 | 3265.43 | 未披露 | 定期报告 | 2013-03-25 |
| 2013-03-15 | 3264.44 | 未披露 | 定期报告 | 2013-03-01 |
| 2013-03-15 | 3247.10 | 88.30 |
更多>>
from December 31, 2011 to December 31, 2012
Common stock options exercised
Issuance of common stock in the form of restricted stock
|
2012-12-31 |
| 2012-11-09 | 3237.85 | 未披露 | 定期报告 | 2012-11-02 |
| 2012-11-09 | 3237.80 | 88.30 | 定期报告 | 2012-09-30 |
| 2012-08-09 | 3235.25 | 未披露 | 定期报告 | 2012-07-27 |
| 2012-08-09 | 3235.20 | 88.30 | 定期报告 | 2012-06-30 |
| 2012-05-10 | 3232.17 | 未披露 | 定期报告 | 2012-04-27 |
| 2012-05-10 | 3232.20 | 88.30 | 定期报告 | 2012-03-31 |
| 2012-03-15 | 3232.17 | 未披露 | 定期报告 | 2012-03-02 |
| 2012-03-15 | 3222.20 | 88.30 |
更多>>
from December 31, 2010 to December 31, 2011
Common stock options exercised
Issuance of common stock in the form of restricted stock-net
|
2011-12-31 |
| 2011-11-08 | 3214.02 | 未披露 | 定期报告 | 2011-10-28 |
| 2011-11-08 | 3214.00 | 88.30 | 定期报告 | 2011-09-30 |
| 2011-08-09 | 3208.87 | 未披露 | 定期报告 | 2011-07-29 |
| 2011-08-09 | 3208.80 | 88.30 | 定期报告 | 2011-06-30 |
| 2011-05-10 | 3197.33 | 未披露 | 定期报告 | 2011-04-29 |
| 2011-05-10 | 3197.30 | 88.30 | 定期报告 | 2011-03-31 |
| 2011-03-16 | 3210.45 | 未披露 | 定期报告 | 2011-02-25 |
| 2011-03-16 | 3187.70 | 88.30 |
更多>>
from December 31, 2009 to December 31, 2010
Issuance of common stock in the form of restricted stock
Common stock options exercised
|
2010-12-31 |
| 2010-11-09 | 3154.31 | 未披露 | 定期报告 | 2010-10-28 |
| 2010-11-09 | 3154.30 | 88.30 | 定期报告 | 2010-09-30 |
| 2010-08-09 | 3102.42 | 未披露 | 定期报告 | 2010-07-23 |
| 2010-08-09 | 3102.40 | 88.30 | 定期报告 | 2010-06-30 |
| 2010-05-17 | 3099.77 | 未披露 | 定期报告 | 2010-04-30 |
| 2010-05-17 | 3097.10 | 88.30 | 定期报告 | 2010-03-31 |
| 2010-03-22 | 3088.05 | 未披露 | 定期报告 | 2010-02-25 |
| 2010-03-22 | 3088.00 | 88.30 |
更多>>
from December 31, 2008 to December 31, 2009
Common stock options exercised
Issuance of common stock in the form of restricted stock
|
2009-12-31 |
| 2009-03-31 | 3051.29 | 未披露 | 定期报告 | 2009-02-27 |
| 2009-03-31 | 3051.30 | 88.30 |
更多>>
from December 31, 2007 to December 31, 2008
Common stock options exercised
Issuance of common stock in the form of restricted stock
|
2008-12-31 |
| 2008-03-14 | 3037.54 | 未披露 | 定期报告 | 2008-02-29 |
| 2008-03-14 | 3035.80 | 88.30 |
更多>>
from December 31, 2006 to December 31, 2007
Common stock options exercised
Issuance of common stock, net of stock issuance costs of $60
Issuance of common stock in the form of restricted stock
|
2007-12-31 |
| 2007-03-23 | 2989.49 | 未披露 | 定期报告 | 2007-02-28 |
| 2007-03-23 | 2901.10 | 88.30 |
更多>>
from December 31, 2005 to December 31, 2006
Common stock options exercised
Issuance of common stock, net of stock issuance costs of $1,752
|
2006-12-31 |
| 2006-03-30 | 2299.97 | 未披露 | 定期报告 | 2006-03-03 |
| 2006-03-30 | 2297.70 | 88.30 |
更多>>
from December 31, 2004 to December 31, 2005
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
Common stock repurchased
|
2005-12-31 |
| 2005-03-18 | 2317.51 | 未披露 | 定期报告 | 2005-03-10 |
| 2005-03-18 | 2311.90 | 88.30 |
更多>>
from December 31, 2003 to December 31, 2004
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
|
2004-12-31 |
| 2004-03-29 | 2296.06 | 未披露 | 定期报告 | 2004-01-31 |
| 2004-03-29 | 2295.70 | 88.30 |
更多>>
from December 31, 2002 to December 31, 2003
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
Issuance of common stock to board members
|
2003-12-31 |
| 2003-03-21 | 2249.51 | 未披露 | 定期报告 | 2003-01-31 |
| 2003-03-21 | 2249.50 | 88.30 |
更多>>
from December 31, 2001 to December 31, 2002
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
|
2002-12-31 |
| 2002-03-26 | 2238.66 | 未披露 | 定期报告 | 2002-01-31 |
| 2002-03-26 | 2238.30 | 88.30 |
更多>>
from December 31, 2000 to December 31, 2001
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
|
2001-12-31 |
| 2001-02-26 | 2202.56 | 未披露 | 定期报告 | 2001-01-31 |
| 2001-02-26 | 2195.20 | 88.30 |
更多>>
from DECEMBER 31, 1999 to DECEMBER 31,2000
Reacquisition and retirement of common stock and Series A preferred stock in connection with merger of Lyte Optronics
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
Issuance of common stock in private placement
Issuance of common stock in follow on public offering
|
2000-12-31 |
| 2000-04-14 | 1865.89 | 98.07 |
更多>>
from December 31, 1998 to December 31, 1999
Common stock options exercised
Repurchase of shares of common stock in connection with the early extinguishment of debt
Issuance of Employee Stock Purchase Plan stock
|
1999-12-31 |
| 1999-03-31 | 1611.67 | 未披露 |
更多>>
from December 31,1997 to December 31, 1998
Conversion of preferred stock to common stock
Common stock options exercised
Issuance of common stock upon initial public offering, net of issuance costs
|
1998-12-31 |
| 1999-03-31 | 304.15 | 1012.87 |
更多>>
from December 31,1996 to December 31, 1997
Issuance of series C convertible preferred stock in March 1997 at $5.00 per share, net of issuance costs
Common stock options exercised
|
1997-12-31 |
From December 31, 2024 to March 31, 2025
Noncontrolling interest portion of Tongmei stock-based compensation
From December 31, 2023 to December 31, 2024
Restricted stock awards canceled
Common stock options exercised
Issuance of common stock in the form of restricted stock
From June 30, 2024 to September 30, 2024
Common stock options exercised
From December 31, 2022 to December 31, 2023
Issuance of common stock in the form of restricted stock
Restricted stock awards canceled
Common stock options exercised
From December 31, 2021 to December 31, 2022
Restricted stock awards canceled
Common stock options exercised
Issuance of common stock in the form of restricted stock
From December 31, 2020 to December 31, 2021
Common stock options exercised
Formation of new subsidiary with noncontrolling interests
Transfer of subsidiary with noncontrolling interests
Restricted stock awards canceled
Stock-based compensation
Issuance of common stock in the form of restricted stock
Purchase of subsidiary shares from noncontrolling interests
Transfer of subsidiary with redeemable noncontrolling interests
Noncontrolling interest portion of Tongmei stock-based compensation
Sale of common stock to employees in connection with the reorganization
From June 30, 2021 to September 30, 2021
Common stock options exercised
from December 31, 2019 to December 31, 2020
Common stock options exercised
Restricted stock awards canceled
Issuance of common stock in the form of restricted stock
from December 31, 2018 to December 31, 2019
Common stock options exercised
Restricted stock awards canceled
Issuance of common stock in the form of restricted stock
From December 31, 2017 To December 31, 2018
Common stock options exercised
Issuance of common stock in the form of restricted stock
Restricted stock awards canceled
Stock-based compensation
Purchase of subsidiary shares from noncontrolling interest
From December 31, 2016 To December 31, 2017
Common stock options exercised
Issuance of common stock in the form of restricted stock
Issuance of common stock, net of stock issuance costs of $2,639
From December 31, 2016 To September 30, 2017
Common stock options exercised
Issuance of common stock, net of stock issuance costs of $2,639
from December 31, 2015 to December 31, 2016
Common stock options exercised
Restricted stock awards canceled
Issuance of common stock in the form of restricted stock
From December 31, 2014 to December 31, 2015
Common stock options exercised
Common stock repurchased
Restricted stock awards canceled
Issuance of common stock in the form of restricted stock
From December 31,2013 to December 31,2014
Common stock options exercised
Issuance of common stock in the form of restricted stock
From December 31,2012 to December 31,2013
Common stock options exercised
Common stock repurchased
Issuance of common stock in the form of restricted stock
from December 31, 2011 to December 31, 2012
Common stock options exercised
Issuance of common stock in the form of restricted stock
from December 31, 2010 to December 31, 2011
Common stock options exercised
Issuance of common stock in the form of restricted stock-net
from December 31, 2009 to December 31, 2010
Issuance of common stock in the form of restricted stock
Common stock options exercised
from December 31, 2008 to December 31, 2009
Common stock options exercised
Issuance of common stock in the form of restricted stock
from December 31, 2007 to December 31, 2008
Common stock options exercised
Issuance of common stock in the form of restricted stock
from December 31, 2006 to December 31, 2007
Common stock options exercised
Issuance of common stock, net of stock issuance costs of $60
Issuance of common stock in the form of restricted stock
from December 31, 2005 to December 31, 2006
Common stock options exercised
Issuance of common stock, net of stock issuance costs of $1,752
from December 31, 2004 to December 31, 2005
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
Common stock repurchased
from December 31, 2003 to December 31, 2004
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
from December 31, 2002 to December 31, 2003
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
Issuance of common stock to board members
from December 31, 2001 to December 31, 2002
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
from December 31, 2000 to December 31, 2001
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
from DECEMBER 31, 1999 to DECEMBER 31,2000
Reacquisition and retirement of common stock and Series A preferred stock in connection with merger of Lyte Optronics
Common stock options exercised
Issuance of Employee Stock Purchase Plan stock
Issuance of common stock in private placement
Issuance of common stock in follow on public offering
from December 31, 1998 to December 31, 1999
Common stock options exercised
Repurchase of shares of common stock in connection with the early extinguishment of debt
Issuance of Employee Stock Purchase Plan stock
from December 31,1997 to December 31, 1998
Conversion of preferred stock to common stock
Common stock options exercised
Issuance of common stock upon initial public offering, net of issuance costs
from December 31,1996 to December 31, 1997
Issuance of series C convertible preferred stock in March 1997 at $5.00 per share, net of issuance costs
Common stock options exercised