股本结构
单位：万股
| 公告日期 | 2021-08-16 | 2021-08-16 | 2021-05-04 | 2021-05-24 | 2021-01-28 | 2021-01-28 |
|---|---|---|---|---|---|---|
| 证券总股本 | 9281.75 | 9281.77 | 9281.75 | 8942.85 | 5343.88 | 5343.88 |
| 普通股本 | 9281.75 | 9281.77 | 9281.75 | 8942.85 | 5343.88 | 5343.88 |
| 优先股 | 未披露 | 0.0085 | 未披露 | 0.0085 | 8.54 | 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 | 2021-08-12 | 2021-06-30 | 2021-04-30 | 2021-03-31 | 2021-01-28 | 2021-01-27 |
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 |
|---|---|---|---|---|
| 2021-08-16 | 9281.75 | 未披露 | 定期报告 | 2021-08-12 |
| 2021-08-16 | 9281.77 | 0.0085 |
更多>>
From December 31, 2020 to June 30, 2021
Issuance of preferred shares to settle Second Lien Credit Agreement paid-in- kind interest
Issuance of stock for vested restricted stock units
Fair value of conversion feature on Convertible 2023 Series Notes
ATM
Issuance of shares for debt exchange
Series C Extinguishment
|
2021-06-30 |
| 2021-05-04 | 9281.75 | 未披露 | 定期报告 | 2021-04-30 |
| 2021-05-24 | 8942.85 | 0.0085 |
更多>>
from December 31, 2020 to March 31, 2021
Issuance of preferred shares to settle Second Lien Credit Agreement paid-in- kind interest
Series C Extinguishment
Issuance of shares for debt exchange
Fair value of conversion feature on Convertible 2023 Series Notes
Issuance of stock for vested restricted stock units
ATM
|
2021-03-31 |
| 2021-01-28 | 5343.88 | 8.54 | 定期报告 | 2021-01-28 |
| 2021-01-28 | 5343.88 | 未披露 | 定期报告 | 2021-01-27 |
| 2020-12-31 | 2175.42 | 未披露 | 定期报告 | 2020-12-24 |
| 2020-12-31 | 639.16 | 未披露 |
更多>>
From December 31, 2019 to September 30, 2020
Issuance of stock for vested restricted stock units
Fair value of conversion feature on Convertible 2023 Series D Notes
Share rounding as a result of the reverse stock split
|
2020-09-30 |
| 2020-08-20 | 539.16 | 未披露 |
更多>>
From December 31, 2019 to June 30, 2020
Issuance of stock for vested restricted stock units
Share rounding as a result of the reverse stock split
|
2020-06-30 |
| 2020-06-10 | 538.67 | 未披露 | 定期报告 | 2020-06-09 |
| 2020-06-10 | 538.99 | 未披露 | 定期报告 | 2020-06-01 |
| 2020-05-27 | 540.00 | 未披露 |
更多>>
On May 26, 2020, the Company announced that it will effect a one-for-ten reverse stock split of its outstanding common stock, which will be effective for trading purposes as of the commencement of trading on May 28, 2020. The reverse stock split reduces the number of shares outstanding from approximately 53.9 million shares of common stock to approximately 5.4 million shares of common stock post-reverse split.
|
2020-05-28 |
| 2020-05-27 | 5389.95 | 未披露 |
更多>>
from December 31, 2019 to March 25, 2020
Issuance of stock for vested restricted stock units
|
2020-03-25 |
| 2019-08-07 | 5385.04 | 未披露 |
更多>>
from December 31, 2018 to May 6 ,2019
Issuance of stock for vested restricted stock units
|
2019-05-06 |
| 2019-05-10 | 5384.54 | 未披露 |
更多>>
from December 31, 2018 to March 31, 2019
Issuance of stock for vested restricted stock units
|
2019-03-31 |
| 2019-04-03 | 5377.42 | 未披露 | 定期报告 | 2019-03-29 |
| 2019-04-01 | 5384.54 | 未披露 | 定期报告 | 2019-03-25 |
| 2019-04-01 | 5377.42 | 未披露 |
更多>>
from December 31, 2017 to December 10, 2018
Issuance of stock to consultant
Stock options exercised
Issuance of stock for vested restricted stock units
|
2018-12-10 |
| 2018-12-12 | 5376.29 | 未披露 |
更多>>
From December 31, 2017 to September 30, 2018
Stock options exercised
Issuance of stock for vested restricted stock units
Issuance of stock to a consultant
|
2018-09-30 |
| 2018-08-09 | 5353.79 | 未披露 | 定期报告 | 2018-08-06 |
| 2018-08-09 | 5351.29 | 未披露 |
更多>>
From December 31, 2017 to MAY 1, 2018
Issuance of stock for vested restricted stock units
|
2018-05-01 |
| 2018-05-15 | 5349.69 | 未披露 |
更多>>
From December 31, 2017 to March 6, 2018
Issuance of stock for vested restricted stock units
|
2018-03-06 |
| 2018-03-19 | 5340.03 | 未披露 |
更多>>
from December 31, 2016 to November 07, 2017
Stock options exercised
Issuance of stock for vested restricted stock units
|
2017-11-07 |
| 2017-08-09 | 5339.19 | 未披露 |
更多>>
from December 31, 2016 to June 30, 2017
Stock options exercised
Issuance of stock for vested restricted stock units
|
2017-06-30 |
| 2017-05-10 | 5322.64 | 未披露 |
更多>>
from December 31, 2016 to March 6, 2017
Stock options exercised
Issuance of stock for vested restricted stock units
|
2017-03-06 |
| 2017-03-15 | 5314.84 | 未披露 |
更多>>
from December 31, 2015 to December 31, 2016
Issuance of stock to consultant
Stock options exercised
Issuance of stock for vested restricted stock units
|
2016-12-31 |
| 2016-11-08 | 5312.51 | 未披露 | 定期报告 | 2016-11-02 |
| 2016-08-08 | 5309.51 | 未披露 | 定期报告 | 2016-08-03 |
| 2016-08-08 | 5306.51 | 未披露 |
更多>>
from December 31, 2015 to June 30, 2016
Stock options exercised
Issuance of stock for vested restricted stock units
Issuance of stock to a consultant
|
2016-06-30 |
| 2016-04-08 | 5302.63 | 未披露 | 定期报告 | 2016-04-04 |
| 2016-05-10 | 5305.93 | 未披露 |
更多>>
from December 31, 2015 to March 31, 2016
Stock options exercised
Issuance of stock for vested restricted stock units
Issuance of stock to a consultant
|
2016-03-31 |
| 2016-04-08 | 5305.83 | 未披露 | 定期报告 | 2016-03-30 |
| 2016-03-15 | 5300.57 | 未披露 | 定期报告 | 2016-03-10 |
| 2016-03-15 | 5300.07 | 未披露 |
更多>>
From December 31, 2014 to December 31, 2015
Issuance of stock to consultant
Stock warrants exercised
Stock options exercised
Issuance of restricted stock
|
2015-12-31 |
| 2015-10-26 | 5287.30 | 未披露 |
更多>>
from December 31, 2014 to October 26, 2015
Stock options exercised
Issuance of restricted stock
Issuance of stock to consultant
|
2015-10-26 |
| 2015-08-10 | 5286.35 | 未披露 | 定期报告 | 2015-08-03 |
| 2015-08-10 | 5286.25 | 未披露 |
更多>>
from December 31, 2014 to June 30, 2015
Stock options exercised
Issuance of restricted stock
|
2015-06-30 |
| 2015-05-11 | 5286.05 | 未披露 | 定期报告 | 2015-05-04 |
| 2015-05-11 | 5286.00 | 未披露 |
更多>>
From December 31, 2014 to March 31, 2015
Stock options exercised
Issuance of restricted stock
|
2015-03-31 |
| 2015-03-16 | 5282.75 | 未披露 | 定期报告 | 2015-03-10 |
| 2015-03-16 | 5281.98 | 未披露 |
更多>>
from December 31, 2013 to December 31, 2014
Issuance of stock pursuant to a public offering, net of associated fees of $1,868
Issuance of stock to consultant
Stock warrants exercised
Stock options exercised
|
2014-12-31 |
| 2014-11-13 | 5278.78 | 未披露 | 定期报告 | 2014-11-06 |
| 2014-11-13 | 5257.78 | 未披露 |
更多>>
from December 31, 2013 to September 30, 2014
Issuance of stock pursuant to a public offering, net of associated fees of $1,868
Stock warrants exercised
Stock options exercised
|
2014-09-30 |
| 2014-08-11 | 5248.28 | 未披露 | 定期报告 | 2014-08-06 |
| 2014-08-11 | 4712.96 | 未披露 |
更多>>
from December 31, 2013 to June 30, 2014
Stock warrants exercised
Stock options exercised
|
2014-06-30 |
| 2014-05-15 | 4712.21 | 未披露 | 定期报告 | 2014-05-10 |
| 2014-05-15 | 4701.91 | 未披露 |
更多>>
from December 31, 2013 to March 25, 2014
Stock warrants exercised
|
2014-03-25 |
| 2014-03-31 | 4674.86 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Common stock issued for Series A Convertible Preferred stock
stock including deemed dividend of $1,308
Restricted stock issuance
Stock warrants exercised
Stock options exercised
|
2013-12-31 |
| 2013-11-14 | 4375.84 | 0.16 |
更多>>
from December31, 2012 to September30, 2013
Common stock issued for Series A Convertible Preferred stock
Stock warrants exercised
Stock options exercised
|
2013-09-30 |
| 2013-08-14 | 4325.14 | 0.16 |
更多>>
from December 31, 2012 to June 30, 2013
Stock warrants exercised
Stock options exercised
|
2013-06-30 |
| 2013-05-09 | 4280.53 | 未披露 | 定期报告 | 2013-04-30 |
| 2013-05-15 | 4313.27 | 0.16 |
更多>>
from December 31, 2012 to March 31, 2013
Stock warrants exercised
|
2013-03-31 |
| 2013-03-28 | 4313.27 | 未披露 | 定期报告 | 2013-03-25 |
| 2013-03-28 | 4270.50 | 0.16 |
更多>>
from December 31, 2011 to December 31, 2012
Restricted stock issuance
Restricted stock forfeited
Stock options exercised
Warrants exercised
Sale of treasury stock, net of expenses of $36
|
2012-12-31 |
| 2012-11-14 | 4035.21 | 0.16 |
更多>>
from December 31, 2011 to September 30, 2012
Stock options exercised
Restricted stock issuance
Restricted stock forfeited
Warrants exercised
|
2012-09-30 |
| 2012-08-13 | 3953.81 | 0.16 |
更多>>
from December 31, 2011 to June 30, 2012
Stock options exercised
|
2012-06-30 |
| 2012-03-28 | 3951.16 | 未披露 | 定期报告 | 2012-03-21 |
| 2011-11-14 | 3949.81 | 未披露 | 定期报告 | 2011-11-01 |
| 2011-08-15 | 4146.38 | 未披露 | 定期报告 | 2011-08-03 |
| 2011-05-16 | 4143.38 | 未披露 | 定期报告 | 2011-05-11 |
| 2011-03-25 | 4139.72 | 未披露 | 定期报告 | 2011-03-23 |
| 2011-03-25 | 3932.25 | 0.16 |
更多>>
from December 31, 2009 to December 31, 2010
Conversion of Series B-1 Convertible Preferred Stock and accrued dividends of $1,284 into Common Stock
Issuance of preferred stock pursuant to a private placement, net of associated fees of $33
Issuance of common stock pursuant to a private placement, net of associated fees of $804
Restricted stock issuance
Restricted stock forfeiture
Stock options exercised
|
2010-12-31 |
| 2010-11-15 | 3537.31 | 未披露 | 定期报告 | 2010-11-10 |
| 2010-11-15 | 3340.74 | 0.16 |
更多>>
from December 31, 2009 to September 30, 2010
Conversion of Series B-1 Convertible Preferred Stock and accrued dividends of $1,284 into Common Stock
Issuance of preferred stock pursuant to a private placement, net of associated fees of $33
Restricted stock issuance
Restricted stock forfeiture
Stock options exercised
|
2010-09-30 |
| 2010-08-16 | 1771.45 | 未披露 | 定期报告 | 2010-08-06 |
| 2010-08-16 | 1770.62 | 0.26 |
更多>>
from December 31, 2009 to June 30, 2010
Issuance of preferred stock pursuant to a private placement, net of associated fees of $33
Restricted stock issuance
Restricted stock forfeiture
|
2010-06-30 |
| 2010-03-31 | 1779.62 | 未披露 | 定期报告 | 2010-03-29 |
| 2010-03-31 | 1733.72 | 0.11 |
更多>>
from December 31, 2008 to December 31, 2009
Issuance of preferred stock pursuant to a private placement net of associated fees of $144 and beneficial conversion features
Conversion of note payable to Preferred Stock – Series B-1
Conversion of convertible note payable – related party to common stock
Issuance of stock as Directors’ compensation
Stock options exercised
Restricted stock issuance
Warrants exercised
|
2009-12-31 |
| 2009-03-31 | 1492.34 | 未披露 | 定期报告 | 2009-03-23 |
| 2009-03-31 | 1490.75 | 0.0050 |
更多>>
from December 31, 2007 to December 31, 2008
Stock options exercised
Warrants exercised
|
2008-12-31 |
| 2008-03-31 | 1483.35 | 未披露 | 定期报告 | 2008-03-20 |
| 2008-03-31 | 1482.95 | 0.0050 |
更多>>
from December 31, 2006 to December 31, 2007
Issuance of preferred stock pursuant to a private placement net of associated fees of $14
Issuance of common stock pursuant to a private placement, net of fees of $ 219
Issuance of stock as Directors compensation
|
2007-12-31 |
| 2007-04-02 | 1461.29 | 未披露 | 定期报告 | 2007-03-28 |
| 2007-04-02 | 1309.08 | 未披露 |
更多>>
from December 31, 2005 to December 31, 2006
Stock options exercised
Issuance of stock pursuant to a private placement
Warrants exercised
|
2006-12-31 |
| 2006-04-14 | 1274.41 | 未披露 | 定期报告 | 2006-03-31 |
| 2006-04-14 | 1251.88 | 未披露 |
更多>>
from December 31, 2004 to December 31, 2005
Stock options exercised
Issuance of stock pursuant to private placement net of costs of $24
|
2005-12-31 |
| 2005-04-12 | 1173.29 | 未披露 | 定期报告 | 2005-03-15 |
| 2005-04-12 | 1158.18 | 未披露 |
更多>>
from December 31, 2003 to December 31, 2004
Stock options exercised
Employee stock purchase plan
|
2004-12-31 |
| 2004-04-14 | 1156.51 | 未披露 | 定期报告 | 2004-04-08 |
| 2004-04-14 | 1138.55 | 未披露 |
更多>>
from December 31, 2002 to December 31, 2003
Issuance of stock pursuant to Directors' Stock Plan
Employee stock purchase plan
Buyback of stock
|
2003-12-31 |
| 2003-03-10 | 1138.58 | 未披露 | 定期报告 | 2003-03-07 |
| 2003-03-10 | 1138.40 | 未披露 |
更多>>
from December 31, 2001 to December 31, 2002
Issuance of stock pursuant to Directors' Stock Plan
Stock options exercised
Employee stock purchase plan
Detachable stock warrant exercised
Buyback of stock
|
2002-12-31 |
| 2002-03-15 | 1129.30 | 未披露 | 定期报告 | 2002-03-12 |
| 2002-03-15 | 1124.37 | 未披露 |
更多>>
from December 31, 2000 to December 31, 2001
Issuance of stock pursuant to Directors' Stock Plan
Settlement of amounts due to former officer in lieu of cash
Stock options exercised
Employee stock purchase plan
Issuance of stock pursuant to stock subscription agreement
Issuance of stock to 401(k) plan
|
2001-12-31 |
| 2001-03-28 | 1057.77 | 未披露 | 定期报告 | 2001-03-16 |
| 2001-03-28 | 1027.64 | 未披露 |
更多>>
from December 31, 1999 to December 31, 2000
Issuance of stock pursuant to Directors' Stock Plan
Litigation settlement costs
Partial settlement of amounts due to stockholder in lieu of cash
Stock options exercised
Employee stock purchase plan
Issuance of stock to 401(k) plan
|
2000-12-31 |
| 2000-04-14 | 1016.31 | 未披露 | 定期报告 | 2000-03-27 |
| 2000-04-14 | 1002.77 | 未披露 |
更多>>
from December 31, 1998 to December 31, 1999
Issuance of stock pursuant to Directors' Stock Plan
Partial settlement of amounts due to stockholder in lieu of cash
Issuance of stock to 401(k) Plan
|
1999-12-31 |
| 1999-04-12 | 952.69 | 未披露 | 定期报告 | 1999-03-19 |
| 1999-04-12 | 951.29 | 未披露 |
更多>>
from December 31, 1997 to December 31, 1998
Issuance of stock pursuant to Directors' Stock Plan
|
1998-12-31 |
| 1998-08-24 | 946.67 | 未披露 |
更多>>
from December 31, 1996 to December 31, 1997
Exercise of stock options, including tax benefits of $7
Settlement of litigation
Issuance of stock to 401(k) plan
|
1997-12-31 |
| 1997-04-10 | 943.36 | 未披露 | 定期报告 | 1997-03-14 |
| 1997-04-10 | 940.86 | 未披露 |
更多>>
from December 31, 1995 to December 31, 1996
Exercise of stock options, including tax benefits of $79
Issuance of stock to 401(k) plan
|
1996-12-31 |
| 1996-03-29 | 926.94 | 未披露 | 定期报告 | 1996-03-15 |
| 1996-03-29 | 926.43 | 未披露 |
更多>>
from December 31, 1994 to December 31, 1995
Issuance of common stock for exercise of stock options including a tax benefit of $279,180
Issuance of common stock to 401(k) plan
Issuance of stock to industry partner, net
|
1995-12-31 |
| 1996-03-29 | 886.25 | 未披露 |
更多>>
from December 31, 1993 to December 31, 1994
Issuance of common stock for exercise of stock options including tax benefit of$218,937
Issuance of common stock to 401(k) plan
|
1994-12-31 |
From December 31, 2020 to June 30, 2021
Issuance of preferred shares to settle Second Lien Credit Agreement paid-in- kind interest
Issuance of stock for vested restricted stock units
Fair value of conversion feature on Convertible 2023 Series Notes
ATM
Issuance of shares for debt exchange
Series C Extinguishment
from December 31, 2020 to March 31, 2021
Issuance of preferred shares to settle Second Lien Credit Agreement paid-in- kind interest
Series C Extinguishment
Issuance of shares for debt exchange
Fair value of conversion feature on Convertible 2023 Series Notes
Issuance of stock for vested restricted stock units
ATM
From December 31, 2019 to September 30, 2020
Issuance of stock for vested restricted stock units
Fair value of conversion feature on Convertible 2023 Series D Notes
Share rounding as a result of the reverse stock split
From December 31, 2019 to June 30, 2020
Issuance of stock for vested restricted stock units
Share rounding as a result of the reverse stock split
On May 26, 2020, the Company announced that it will effect a one-for-ten reverse stock split of its outstanding common stock, which will be effective for trading purposes as of the commencement of trading on May 28, 2020. The reverse stock split reduces the number of shares outstanding from approximately 53.9 million shares of common stock to approximately 5.4 million shares of common stock post-reverse split.
from December 31, 2019 to March 25, 2020
Issuance of stock for vested restricted stock units
from December 31, 2018 to May 6 ,2019
Issuance of stock for vested restricted stock units
from December 31, 2018 to March 31, 2019
Issuance of stock for vested restricted stock units
from December 31, 2017 to December 10, 2018
Issuance of stock to consultant
Stock options exercised
Issuance of stock for vested restricted stock units
From December 31, 2017 to September 30, 2018
Stock options exercised
Issuance of stock for vested restricted stock units
Issuance of stock to a consultant
From December 31, 2017 to MAY 1, 2018
Issuance of stock for vested restricted stock units
From December 31, 2017 to March 6, 2018
Issuance of stock for vested restricted stock units
from December 31, 2016 to November 07, 2017
Stock options exercised
Issuance of stock for vested restricted stock units
from December 31, 2016 to June 30, 2017
Stock options exercised
Issuance of stock for vested restricted stock units
from December 31, 2016 to March 6, 2017
Stock options exercised
Issuance of stock for vested restricted stock units
from December 31, 2015 to December 31, 2016
Issuance of stock to consultant
Stock options exercised
Issuance of stock for vested restricted stock units
from December 31, 2015 to June 30, 2016
Stock options exercised
Issuance of stock for vested restricted stock units
Issuance of stock to a consultant
from December 31, 2015 to March 31, 2016
Stock options exercised
Issuance of stock for vested restricted stock units
Issuance of stock to a consultant
From December 31, 2014 to December 31, 2015
Issuance of stock to consultant
Stock warrants exercised
Stock options exercised
Issuance of restricted stock
from December 31, 2014 to October 26, 2015
Stock options exercised
Issuance of restricted stock
Issuance of stock to consultant
from December 31, 2014 to June 30, 2015
Stock options exercised
Issuance of restricted stock
From December 31, 2014 to March 31, 2015
Stock options exercised
Issuance of restricted stock
from December 31, 2013 to December 31, 2014
Issuance of stock pursuant to a public offering, net of associated fees of $1,868
Issuance of stock to consultant
Stock warrants exercised
Stock options exercised
from December 31, 2013 to September 30, 2014
Issuance of stock pursuant to a public offering, net of associated fees of $1,868
Stock warrants exercised
Stock options exercised
from December 31, 2013 to June 30, 2014
Stock warrants exercised
Stock options exercised
from December 31, 2013 to March 25, 2014
Stock warrants exercised
from December 31, 2012 to December 31, 2013
Common stock issued for Series A Convertible Preferred stock
stock including deemed dividend of $1,308
Restricted stock issuance
Stock warrants exercised
Stock options exercised
from December31, 2012 to September30, 2013
Common stock issued for Series A Convertible Preferred stock
Stock warrants exercised
Stock options exercised
from December 31, 2012 to June 30, 2013
Stock warrants exercised
Stock options exercised
from December 31, 2012 to March 31, 2013
Stock warrants exercised
from December 31, 2011 to December 31, 2012
Restricted stock issuance
Restricted stock forfeited
Stock options exercised
Warrants exercised
Sale of treasury stock, net of expenses of $36
from December 31, 2011 to September 30, 2012
Stock options exercised
Restricted stock issuance
Restricted stock forfeited
Warrants exercised
from December 31, 2011 to June 30, 2012
Stock options exercised
from December 31, 2009 to December 31, 2010
Conversion of Series B-1 Convertible Preferred Stock and accrued dividends of $1,284 into Common Stock
Issuance of preferred stock pursuant to a private placement, net of associated fees of $33
Issuance of common stock pursuant to a private placement, net of associated fees of $804
Restricted stock issuance
Restricted stock forfeiture
Stock options exercised
from December 31, 2009 to September 30, 2010
Conversion of Series B-1 Convertible Preferred Stock and accrued dividends of $1,284 into Common Stock
Issuance of preferred stock pursuant to a private placement, net of associated fees of $33
Restricted stock issuance
Restricted stock forfeiture
Stock options exercised
from December 31, 2009 to June 30, 2010
Issuance of preferred stock pursuant to a private placement, net of associated fees of $33
Restricted stock issuance
Restricted stock forfeiture
from December 31, 2008 to December 31, 2009
Issuance of preferred stock pursuant to a private placement net of associated fees of $144 and beneficial conversion features
Conversion of note payable to Preferred Stock – Series B-1
Conversion of convertible note payable – related party to common stock
Issuance of stock as Directors’ compensation
Stock options exercised
Restricted stock issuance
Warrants exercised
from December 31, 2007 to December 31, 2008
Stock options exercised
Warrants exercised
from December 31, 2006 to December 31, 2007
Issuance of preferred stock pursuant to a private placement net of associated fees of $14
Issuance of common stock pursuant to a private placement, net of fees of $ 219
Issuance of stock as Directors compensation
from December 31, 2005 to December 31, 2006
Stock options exercised
Issuance of stock pursuant to a private placement
Warrants exercised
from December 31, 2004 to December 31, 2005
Stock options exercised
Issuance of stock pursuant to private placement net of costs of $24
from December 31, 2003 to December 31, 2004
Stock options exercised
Employee stock purchase plan
from December 31, 2002 to December 31, 2003
Issuance of stock pursuant to Directors' Stock Plan
Employee stock purchase plan
Buyback of stock
from December 31, 2001 to December 31, 2002
Issuance of stock pursuant to Directors' Stock Plan
Stock options exercised
Employee stock purchase plan
Detachable stock warrant exercised
Buyback of stock
from December 31, 2000 to December 31, 2001
Issuance of stock pursuant to Directors' Stock Plan
Settlement of amounts due to former officer in lieu of cash
Stock options exercised
Employee stock purchase plan
Issuance of stock pursuant to stock subscription agreement
Issuance of stock to 401(k) plan
from December 31, 1999 to December 31, 2000
Issuance of stock pursuant to Directors' Stock Plan
Litigation settlement costs
Partial settlement of amounts due to stockholder in lieu of cash
Stock options exercised
Employee stock purchase plan
Issuance of stock to 401(k) plan
from December 31, 1998 to December 31, 1999
Issuance of stock pursuant to Directors' Stock Plan
Partial settlement of amounts due to stockholder in lieu of cash
Issuance of stock to 401(k) Plan
from December 31, 1997 to December 31, 1998
Issuance of stock pursuant to Directors' Stock Plan
from December 31, 1996 to December 31, 1997
Exercise of stock options, including tax benefits of $7
Settlement of litigation
Issuance of stock to 401(k) plan
from December 31, 1995 to December 31, 1996
Exercise of stock options, including tax benefits of $79
Issuance of stock to 401(k) plan
from December 31, 1994 to December 31, 1995
Issuance of common stock for exercise of stock options including a tax benefit of $279,180
Issuance of common stock to 401(k) plan
Issuance of stock to industry partner, net
from December 31, 1993 to December 31, 1994
Issuance of common stock for exercise of stock options including tax benefit of$218,937
Issuance of common stock to 401(k) plan