股本结构
单位:万股
公告日期 | 2024-04-17 | 2024-02-28 | 2024-02-28 | 2023-11-13 | 2023-11-07 | 2023-11-08 |
---|---|---|---|---|---|---|
证券总股本 | 9047.83 | 8987.49 | 8990.00 | 8866.88 | 8219.82 | 8206.44 |
普通股本 | 9047.83 | 8987.49 | 8990.00 | 8866.88 | 8219.82 | 8206.44 |
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 | 2024-04-11 | 2024-02-21 | 2023-12-31 | 2023-11-13 | 2023-10-31 | 2023-09-30 |
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 |
---|---|---|---|---|
2024-04-17 | 9047.83 | 未披露 | 定期报告 | 2024-04-11 |
2024-02-28 | 8987.49 | 未披露 | 定期报告 | 2024-02-21 |
2024-02-28 | 8990.00 | 未披露 |
更多>>
From December 31, 2022 to December 31, 2023
Issuance of common stock for public offering, net
|
2023-12-31 |
2023-11-13 | 8866.88 | 未披露 |
更多>>
Common stock to be offered 6,470,588 shares by the company
|
2023-11-13 |
2023-11-07 | 8219.82 | 未披露 | 定期报告 | 2023-10-31 |
2023-11-08 | 8206.44 | 未披露 | 定期报告 | 2023-09-30 |
2023-08-04 | 8188.34 | 未披露 | 定期报告 | 2023-07-28 |
2023-08-04 | 8190.00 | 未披露 | 定期报告 | 2023-06-30 |
2023-05-04 | 8155.52 | 未披露 | 定期报告 | 2023-04-28 |
2023-04-12 | 8154.86 | 未披露 | 定期报告 | 2023-04-06 |
2023-05-04 | 8150.00 | 未披露 | 定期报告 | 2023-03-31 |
2023-03-01 | 8122.37 | 未披露 | 定期报告 | 2023-02-23 |
2023-02-28 | 8120.00 | 未披露 | 定期报告 | 2022-12-31 |
2022-11-02 | 8103.38 | 未披露 | 定期报告 | 2022-10-27 |
2022-11-01 | 8090.00 | 未披露 | 定期报告 | 2022-09-30 |
2022-08-05 | 8063.48 | 未披露 | 定期报告 | 2022-07-29 |
2022-08-04 | 8060.00 | 未披露 | 定期报告 | 2022-06-30 |
2022-05-06 | 8034.32 | 未披露 | 定期报告 | 2022-04-29 |
2022-04-14 | 8034.12 | 未披露 | 定期报告 | 2022-04-07 |
2022-05-05 | 8030.00 | 未披露 | 定期报告 | 2022-03-31 |
2022-02-25 | 8002.29 | 未披露 | 定期报告 | 2022-02-18 |
2022-02-24 | 8000.00 | 未披露 | 定期报告 | 2021-12-31 |
2021-11-04 | 7985.46 | 未披露 | 定期报告 | 2021-10-27 |
2021-11-02 | 7970.00 | 未披露 | 定期报告 | 2021-09-30 |
2021-08-04 | 7805.54 | 未披露 | 定期报告 | 2021-07-28 |
2021-08-04 | 7770.00 | 未披露 | 定期报告 | 2021-06-30 |
2021-05-05 | 7705.20 | 未披露 | 定期报告 | 2021-04-28 |
2021-04-15 | 7700.04 | 未披露 | 定期报告 | 2021-04-08 |
2021-05-03 | 7670.00 | 未披露 | 定期报告 | 2021-03-31 |
2021-03-16 | 7629.72 | 未披露 | 定期报告 | 2021-03-09 |
2021-03-16 | 7540.00 | 未披露 |
更多>>
from June 30, 2020 to December 31, 2020
Common stock issued upon exercise of options and employee stock plans
|
2020-12-31 |
2020-11-09 | 7521.05 | 未披露 | 定期报告 | 2020-11-02 |
2020-10-15 | 7520.69 | 未披露 | 定期报告 | 2020-10-07 |
2020-11-09 | 7520.00 | 未披露 | 定期报告 | 2020-09-30 |
2020-10-15 | 7470.98 | 未披露 | 定期报告 | 2020-09-01 |
2020-08-13 | 7470.93 | 未披露 | 定期报告 | 2020-08-07 |
2020-08-13 | 7470.00 | 未披露 | 定期报告 | 2020-06-30 |
2020-05-06 | 7455.47 | 未披露 | 定期报告 | 2020-05-01 |
2020-05-06 | 7450.00 | 未披露 | 定期报告 | 2020-03-31 |
2020-02-07 | 7455.01 | 未披露 | 定期报告 | 2020-01-31 |
2020-02-06 | 7450.00 | 未披露 | 定期报告 | 2019-12-31 |
2019-11-06 | 7438.90 | 未披露 | 定期报告 | 2019-11-04 |
2019-10-16 | 7438.13 | 未披露 | 定期报告 | 2019-10-08 |
2019-11-06 | 7440.00 | 未披露 | 定期报告 | 2019-09-30 |
2019-08-13 | 7386.61 | 未披露 | 定期报告 | 2019-08-08 |
2019-08-13 | 7350.00 | 未披露 | 定期报告 | 2019-06-30 |
2019-05-08 | 7337.34 | 未披露 | 定期报告 | 2019-05-01 |
2019-05-08 | 7340.00 | 未披露 | 定期报告 | 2019-03-31 |
2019-02-06 | 7327.23 | 未披露 | 定期报告 | 2019-01-31 |
2019-02-06 | 7320.00 | 未披露 |
更多>>
From July 1, 2018 to December 31, 2018
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
|
2018-12-31 |
2018-11-07 | 7476.20 | 未披露 | 定期报告 | 2018-11-02 |
2018-10-10 | 7471.57 | 未披露 | 定期报告 | 2018-10-02 |
2018-11-07 | 7470.00 | 未披露 |
更多>>
From June 30, 2018 to September 30, 2018
Common stock issued upon exercise of options and employee stock plans
|
2018-09-30 |
2018-10-10 | 7412.43 | 未披露 | 定期报告 | 2018-09-01 |
2018-08-24 | 7092.04 | 未披露 | 定期报告 | 2018-08-20 |
2018-08-01 | 7083.49 | 未披露 | 定期报告 | 2018-07-30 |
2018-08-24 | 7060.00 | 未披露 | 定期报告 | 2018-06-30 |
2018-05-09 | 6990.68 | 未披露 | 定期报告 | 2018-05-04 |
2018-05-09 | 6990.00 | 未披露 |
更多>>
from June 30, 2017 to March 31, 2018
Common stock issued upon exercise of options and employee stock plans
|
2018-03-31 |
2018-02-07 | 6985.03 | 未披露 | 定期报告 | 2018-02-01 |
2018-02-07 | 6940.00 | 未披露 |
更多>>
from July 1, 2017 to December 31, 2017
Common stock issued upon exercise of options and employee stock plans
|
2017-12-31 |
2017-11-08 | 6924.08 | 未披露 | 定期报告 | 2017-11-02 |
2017-10-12 | 6920.68 | 未披露 | 定期报告 | 2017-10-04 |
2017-11-08 | 6920.00 | 未披露 |
更多>>
From July 1,2017 To September 30,2017
Common stock issued upon exercise of options and employee stock plans
|
2017-09-30 |
2017-08-09 | 6843.80 | 未披露 | 定期报告 | 2017-08-03 |
2017-08-08 | 6840.00 | 未披露 | 定期报告 | 2017-06-30 |
2017-05-03 | 6811.85 | 未披露 | 定期报告 | 2017-04-27 |
2017-05-03 | 6810.00 | 未披露 | 定期报告 | 2017-03-31 |
2017-02-08 | 6809.15 | 未披露 | 定期报告 | 2017-02-02 |
2017-02-08 | 6810.00 | 未披露 |
更多>>
from July 1, 2016 to December 31, 2016
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
|
2016-12-31 |
2016-11-02 | 6841.63 | 未披露 | 定期报告 | 2016-10-27 |
2016-10-21 | 6840.69 | 未披露 | 定期报告 | 2016-10-05 |
2016-11-02 | 6840.00 | 未披露 |
更多>>
from July 1, 2016 to September 30, 2016
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
|
2016-09-30 |
2016-10-11 | 6854.63 | 未披露 | 定期报告 | 2016-09-01 |
2016-08-10 | 6913.47 | 未披露 | 定期报告 | 2016-08-01 |
2016-08-10 | 6910.00 | 未披露 |
更多>>
From July 1, 2015 to June 30, 2016
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
|
2016-06-30 |
2016-05-04 | 7029.90 | 未披露 | 定期报告 | 2016-04-29 |
2016-05-04 | 7040.00 | 未披露 |
更多>>
From July 1, 2015 to March 31, 2016
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
|
2016-03-31 |
2016-02-03 | 7125.22 | 未披露 | 定期报告 | 2016-01-29 |
2016-02-03 | 7160.00 | 未披露 |
更多>>
from July 1, 2015 to December 31, 2015
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
|
2015-12-31 |
2015-11-04 | 6977.24 | 未披露 | 定期报告 | 2015-10-29 |
2015-10-15 | 6933.24 | 未披露 | 定期报告 | 2015-10-06 |
2015-11-04 | 6940.00 | 未披露 |
更多>>
from July 1, 2015 to September 30, 2015
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
|
2015-09-30 |
2015-08-12 | 6860.46 | 未披露 | 定期报告 | 2015-07-31 |
2015-08-12 | 6890.00 | 未披露 |
更多>>
from June 30, 2014 to June 30, 2015
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
|
2015-06-30 |
2015-05-06 | 6945.12 | 未披露 | 定期报告 | 2015-04-30 |
2015-05-06 | 7002.20 | 未披露 | 定期报告 | 2015-03-31 |
2015-02-04 | 7111.85 | 未披露 | 定期报告 | 2015-01-29 |
2015-02-04 | 7151.80 | 未披露 | 定期报告 | 2014-12-31 |
2014-11-05 | 7298.53 | 未披露 | 定期报告 | 2014-10-30 |
2014-10-14 | 7299.80 | 未披露 | 定期报告 | 2014-10-07 |
2014-11-05 | 7298.50 | 未披露 | 定期报告 | 2014-09-30 |
2014-08-13 | 7279.51 | 未披露 | 定期报告 | 2014-08-01 |
2014-08-13 | 7349.70 | 未披露 |
更多>>
from June 30, 2013 to June 30, 2014
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
|
2014-06-30 |
2014-05-07 | 7482.38 | 未披露 | 定期报告 | 2014-05-02 |
2014-05-07 | 7451.30 | 未披露 | 定期报告 | 2014-03-31 |
2014-02-05 | 7297.44 | 未披露 | 定期报告 | 2014-01-31 |
2014-02-05 | 7397.40 | 未披露 | 定期报告 | 2013-12-31 |
2013-11-12 | 7475.35 | 未披露 | 定期报告 | 2013-11-07 |
2013-10-15 | 7633.49 | 未披露 | 定期报告 | 2013-10-08 |
2013-11-12 | 7681.50 | 未披露 | 定期报告 | 2013-09-30 |
2013-08-14 | 8044.67 | 未披露 | 定期报告 | 2013-08-01 |
2013-08-14 | 8057.70 | 未披露 |
更多>>
from June 30, 2012 to June 30, 2013
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
|
2013-06-30 |
2013-05-08 | 7965.49 | 未披露 | 定期报告 | 2013-05-02 |
2013-05-08 | 7981.60 | 未披露 | 定期报告 | 2013-03-31 |
2013-02-06 | 8057.78 | 未披露 | 定期报告 | 2013-01-31 |
2013-02-06 | 8130.50 | 未披露 | 定期报告 | 2012-12-31 |
2012-11-09 | 8140.30 | 未披露 | 定期报告 | 2012-11-01 |
2012-10-12 | 8146.55 | 未披露 | 定期报告 | 2012-10-08 |
2012-11-09 | 8139.70 | 未披露 | 定期报告 | 2012-09-30 |
2012-10-12 | 8097.47 | 未披露 | 定期报告 | 2012-09-01 |
2012-08-15 | 8169.33 | 未披露 | 定期报告 | 2012-08-06 |
2012-08-15 | 8256.90 | 未披露 |
更多>>
from June 30, 2011 to June 30, 2012
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
|
2012-06-30 |
2012-05-02 | 8486.60 | 未披露 | 定期报告 | 2012-04-27 |
2012-05-02 | 8454.40 | 未披露 | 定期报告 | 2012-03-31 |
2012-02-01 | 8428.78 | 未披露 | 定期报告 | 2012-01-27 |
2012-02-01 | 8423.20 | 未披露 | 定期报告 | 2011-12-31 |
2011-11-02 | 8472.82 | 未披露 | 定期报告 | 2011-10-28 |
2011-11-02 | 8463.00 | 未披露 | 定期报告 | 2011-09-30 |
2011-08-15 | 8508.55 | 未披露 | 定期报告 | 2011-08-09 |
2011-08-15 | 8624.40 | 未披露 |
更多>>
From Jun 30 2010 to Jun 30 2011
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
|
2011-06-30 |
2011-05-04 | 8573.59 | 未披露 | 定期报告 | 2011-04-29 |
2011-05-04 | 8571.60 | 未披露 | 定期报告 | 2011-03-31 |
2011-02-01 | 8988.07 | 未披露 | 定期报告 | 2011-01-28 |
2011-02-01 | 9013.80 | 未披露 | 定期报告 | 2010-12-31 |
2010-11-03 | 9238.39 | 未披露 | 定期报告 | 2010-10-29 |
2010-11-03 | 9235.50 | 未披露 | 定期报告 | 2010-09-30 |
2010-08-12 | 9407.49 | 未披露 | 定期报告 | 2010-08-09 |
2010-08-12 | 9404.60 | 未披露 |
更多>>
from June 30, 2009 to June 30, 2010
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
|
2010-06-30 |
2009-08-26 | 9592.00 | 未披露 | 定期报告 | 2009-08-21 |
2009-08-26 | 9589.60 | 未披露 |
更多>>
from June 30, 2008 to June 30, 2009
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
On February 24, 2009, the Company’s board of directors declared a two-for-one split of the Company’s common stock, effected in the form of a stock dividend. The stock dividend was distributed on March 25, 2009 to shareholders of record on March 9, 2009. All historical share and per-share amounts (other than the number of authorized shares of common stock under our restated certificate of incorporation) have been retroactively adjusted for all periods presented to reflect the stock split.
|
2009-06-30 |
2008-08-28 | 4565.17 | 未披露 | 定期报告 | 2008-08-25 |
2008-08-28 | 4474.40 | 未披露 |
更多>>
from June 30, 2007 to June 30, 2008
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Issuance of common stock for cash upon exercise of warrants
|
2008-06-30 |
2007-08-29 | 4355.44 | 未披露 | 定期报告 | 2007-08-24 |
2007-08-29 | 4344.00 | 未披露 |
更多>>
from June 30, 2006 to June 30, 2007
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Issuance of common stock for cash, net of offering costs of $170
|
2007-06-30 |
2006-09-07 | 3971.80 | 未披露 | 定期报告 | 2006-09-01 |
2006-09-07 | 3968.30 | 未披露 |
更多>>
from June 30, 2005 to June 30, 2006
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Issuance of common stock for cash, net of offering costs of $251
|
2006-06-30 |
2005-09-09 | 3089.72 | 未披露 | 定期报告 | 2005-09-01 |
2005-09-09 | 3086.20 | 未披露 |
更多>>
from June 30, 2004 to June 30, 2005
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
|
2005-06-30 |
2004-09-10 | 3065.38 | 未披露 | 定期报告 | 2004-09-01 |
2004-09-10 | 3062.30 | 未披露 |
更多>>
from June 30, 2003 to June 30, 2004
Issuance of common stock for cash upon exercise of options
Issuance of common stock for cash, net of offering costs of $55
|
2004-06-30 |
2003-09-22 | 2708.91 | 未披露 | 定期报告 | 2003-09-01 |
2003-09-22 | 2707.90 | 未披露 |
更多>>
from June 30, 2002 to June 30, 2003
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash, net of offering costs of $159
|
2003-06-30 |
2002-09-27 | 2383.51 | 未披露 | 定期报告 | 2002-09-18 |
2002-09-27 | 2381.71 | 未披露 |
更多>>
from June 30, 2001 to June 30, 2002
Issuance of common stock for cash
|
2002-06-30 |
2001-09-28 | 2352.80 | 未披露 | 定期报告 | 2001-09-01 |
2001-09-28 | 2344.17 | 未披露 |
更多>>
from June 30, 2000 to June 30, 2001
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash, net of offering costs
|
2001-06-30 |
2000-09-13 | 2186.65 | 未披露 |
更多>>
from June 30, 1999 to September 12, 2000
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash, net of offering costs
In August 2000, we announced a stock split to be effected in the form of a stock dividend of one new share for each share of Common Stock outstanding. The
record date for the split was set as August 28, 2000 and the distribution date
was set as September 11, 2000.
|
2000-09-12 |
1999-09-28 | 943.90 | 未披露 | 定期报告 | 1999-09-20 |
1999-09-28 | 942.87 | 未披露 |
更多>>
from June 30, 1998 to June 30, 1999
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash
|
1999-06-30 |
1998-09-24 | 934.55 | 未披露 | 定期报告 | 1998-09-14 |
1998-09-24 | 933.75 | 未披露 |
更多>>
from June 30, 1997 to June 30, 1998
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash
|
1998-06-30 |
1997-09-29 | 925.56 | 未披露 | 定期报告 | 1997-08-22 |
1997-09-29 | 922.26 | 未披露 |
更多>>
from June 30, 1996 to June 30, 1997
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash
Issuance of common stock for cash, net of issuance costs of $133,703
|
1997-06-30 |
1997-09-29 | 870.22 | 未披露 |
更多>>
from June 30, 1995 to June 30, 1996
Issuance of series D preferred stock for cash, net of expenses
Issuance of 1,973,566 shares of common stock upon conversion of 10,941,424 shares of preferred stock
Issuance of common stock for cash, net of issuance costs of $1,086,795
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash
|
1996-06-30 |
From December 31, 2022 to December 31, 2023
Issuance of common stock for public offering, net
Common stock to be offered 6,470,588 shares by the company
from June 30, 2020 to December 31, 2020
Common stock issued upon exercise of options and employee stock plans
From July 1, 2018 to December 31, 2018
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
From June 30, 2018 to September 30, 2018
Common stock issued upon exercise of options and employee stock plans
from June 30, 2017 to March 31, 2018
Common stock issued upon exercise of options and employee stock plans
from July 1, 2017 to December 31, 2017
Common stock issued upon exercise of options and employee stock plans
From July 1,2017 To September 30,2017
Common stock issued upon exercise of options and employee stock plans
from July 1, 2016 to December 31, 2016
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
from July 1, 2016 to September 30, 2016
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
From July 1, 2015 to June 30, 2016
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
From July 1, 2015 to March 31, 2016
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
from July 1, 2015 to December 31, 2015
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
from July 1, 2015 to September 30, 2015
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
from June 30, 2014 to June 30, 2015
Common stock issued upon exercise of options and employee stock plans
Repurchase and retirement of common stock
from June 30, 2013 to June 30, 2014
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
from June 30, 2012 to June 30, 2013
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
from June 30, 2011 to June 30, 2012
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
From Jun 30 2010 to Jun 30 2011
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
from June 30, 2009 to June 30, 2010
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Repurchase and retirement of common stock
from June 30, 2008 to June 30, 2009
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
On February 24, 2009, the Company’s board of directors declared a two-for-one split of the Company’s common stock, effected in the form of a stock dividend. The stock dividend was distributed on March 25, 2009 to shareholders of record on March 9, 2009. All historical share and per-share amounts (other than the number of authorized shares of common stock under our restated certificate of incorporation) have been retroactively adjusted for all periods presented to reflect the stock split.
from June 30, 2007 to June 30, 2008
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Issuance of common stock for cash upon exercise of warrants
from June 30, 2006 to June 30, 2007
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Issuance of common stock for cash, net of offering costs of $170
from June 30, 2005 to June 30, 2006
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
Issuance of common stock for cash, net of offering costs of $251
from June 30, 2004 to June 30, 2005
Issuance of common stock for cash upon exercise of options and employee stock purchase plan
from June 30, 2003 to June 30, 2004
Issuance of common stock for cash upon exercise of options
Issuance of common stock for cash, net of offering costs of $55
from June 30, 2002 to June 30, 2003
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash, net of offering costs of $159
from June 30, 2001 to June 30, 2002
Issuance of common stock for cash
from June 30, 2000 to June 30, 2001
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash, net of offering costs
from June 30, 1999 to September 12, 2000
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash, net of offering costs
In August 2000, we announced a stock split to be effected in the form of a stock dividend of one new share for each share of Common Stock outstanding. The
record date for the split was set as August 28, 2000 and the distribution date
was set as September 11, 2000.
from June 30, 1998 to June 30, 1999
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash
from June 30, 1997 to June 30, 1998
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash
from June 30, 1996 to June 30, 1997
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash
Issuance of common stock for cash, net of issuance costs of $133,703
from June 30, 1995 to June 30, 1996
Issuance of series D preferred stock for cash, net of expenses
Issuance of 1,973,566 shares of common stock upon conversion of 10,941,424 shares of preferred stock
Issuance of common stock for cash, net of issuance costs of $1,086,795
Issuance of common stock for cash upon exercise of options and warrants
Issuance of common stock for cash