股本结构
单位：万股
| 公告日期 | 2025-11-06 | 2025-11-06 | 2025-08-06 | 2025-08-06 | 2025-04-30 | 2025-04-30 |
|---|---|---|---|---|---|---|
| 证券总股本 | 6780.24 | 6777.30 | 6756.95 | 6753.10 | 6660.72 | 6656.80 |
| 普通股本 | 6780.24 | 6777.30 | 6756.95 | 6753.10 | 6660.72 | 6656.80 |
| 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 | 2025-11-04 | 2025-09-30 | 2025-08-01 | 2025-06-30 | 2025-04-25 | 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 |
|---|---|---|---|---|
| 2025-11-06 | 6780.24 | 未披露 | 定期报告 | 2025-11-04 |
| 2025-11-06 | 6777.30 | 未披露 |
更多>>
From June 30, 2025 to September 30, 2025
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
|
2025-09-30 |
| 2025-08-06 | 6756.95 | 未披露 | 定期报告 | 2025-08-01 |
| 2025-08-06 | 6753.10 | 未披露 |
更多>>
From March 31, 2025 to June 30, 2025
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock for Employee Stock Purchase Plan
|
2025-06-30 |
| 2025-04-30 | 6660.72 | 未披露 | 定期报告 | 2025-04-25 |
| 2025-04-30 | 6656.80 | 未披露 |
更多>>
From December 31, 2024 to March 31, 2025
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
|
2025-03-31 |
| 2025-04-08 | 6656.33 | 未披露 | 定期报告 | 2025-03-24 |
| 2025-04-08 | 6652.13 | 未披露 | 定期报告 | 2025-03-14 |
| 2025-02-26 | 6647.33 | 未披露 | 定期报告 | 2025-02-21 |
| 2025-02-26 | 6626.40 | 未披露 |
更多>>
From December 31, 2023 to December 31, 2024
Stock repurchases and retirement of shares
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock under Employee Stock Purchase Plan
|
2024-12-31 |
| 2024-11-06 | 6567.65 | 未披露 | 定期报告 | 2024-11-01 |
| 2024-11-06 | 6564.60 | 未披露 |
更多>>
From June 30, 2024 to September 30, 2024
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
|
2024-09-30 |
| 2024-08-01 | 6546.49 | 未披露 | 定期报告 | 2024-07-29 |
| 2024-08-01 | 6543.50 | 未披露 |
更多>>
From March 31, 2024 to June 30, 2024
Issuance of common stock for Employee Stock Purchase Plan
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
|
2024-06-30 |
| 2024-05-02 | 6458.95 | 未披露 | 定期报告 | 2024-04-26 |
| 2024-05-02 | 6456.30 | 未披露 |
更多>>
From December 31, 2023 to March 31, 2024
Stock repurchase and retirement of shares
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
|
2024-03-31 |
| 2024-04-09 | 6456.35 | 未披露 | 定期报告 | 2024-03-25 |
| 2024-04-09 | 6453.96 | 未披露 | 定期报告 | 2024-03-14 |
| 2024-02-21 | 6563.10 | 未披露 | 定期报告 | 2024-02-16 |
| 2024-02-21 | 6555.20 | 未披露 |
更多>>
From December 31, 2022 to December 31, 2023
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock under Employee Stock Purchase Plan
|
2023-12-31 |
| 2023-11-01 | 6520.97 | 未披露 | 定期报告 | 2023-10-26 |
| 2023-11-01 | 6519.10 | 未披露 |
更多>>
From June 30, 2023 to September 30, 2023
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
|
2023-09-30 |
| 2023-08-03 | 6507.77 | 未披露 | 定期报告 | 2023-07-28 |
| 2023-08-03 | 6506.20 | 未披露 |
更多>>
From March 31, 2023 to June 30, 2023
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock for Employee Stock Purchase Plan
|
2023-06-30 |
| 2023-05-03 | 6462.18 | 未披露 | 定期报告 | 2023-04-28 |
| 2023-05-03 | 6460.90 | 未披露 |
更多>>
From December 31, 2022 to March 31, 2023
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
|
2023-03-31 |
| 2023-04-12 | 6460.67 | 未披露 | 定期报告 | 2023-03-28 |
| 2023-02-22 | 6452.81 | 未披露 | 定期报告 | 2023-02-17 |
| 2023-02-22 | 6451.30 | 未披露 |
更多>>
From December 31, 2021 to December 31, 2022
Exercise of common stock warrants
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock under Employee Stock Purchase Plan
|
2022-12-31 |
| 2022-11-02 | 6429.88 | 未披露 | 定期报告 | 2022-10-28 |
| 2022-11-02 | 6426.50 | 未披露 |
更多>>
From June 30, 2022 to September 30, 2022
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
|
2022-09-30 |
| 2022-08-03 | 6422.12 | 未披露 | 定期报告 | 2022-07-29 |
| 2022-08-03 | 6421.00 | 未披露 |
更多>>
From March 31, 2022 to June 30, 2022
Issuance of common stock for Employee Stock Purchase Plan
Exercise of common stock warrants
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
|
2022-06-30 |
| 2022-05-04 | 6396.27 | 未披露 | 定期报告 | 2022-04-29 |
| 2022-05-04 | 6394.10 | 未披露 |
更多>>
from December 31, 2021 to March 31, 2022
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Exercise of common stock warrants
|
2022-03-31 |
| 2022-04-13 | 6393.91 | 未披露 | 定期报告 | 2022-03-29 |
| 2022-04-13 | 6389.32 | 未披露 | 定期报告 | 2022-02-28 |
| 2022-02-22 | 6387.23 | 未披露 | 定期报告 | 2022-02-17 |
| 2022-02-22 | 6383.30 | 未披露 |
更多>>
From December 31, 2020 to December 31, 2021
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock for Employee Stock Purchase Plan
Exercise of common stock warrants
|
2021-12-31 |
| 2021-11-03 | 6353.27 | 未披露 | 定期报告 | 2021-10-29 |
| 2021-11-03 | 6345.10 | 未披露 |
更多>>
From June 30, 2021 to September 30, 2021
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Exercise of common stock warrants
|
2021-09-30 |
| 2021-08-04 | 6302.94 | 未披露 | 定期报告 | 2021-07-30 |
| 2021-08-04 | 6295.20 | 未披露 |
更多>>
From March 31, 2021 to June 30, 2021
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock for Employee Stock Purchase Plan
|
2021-06-30 |
| 2021-05-05 | 6263.79 | 未披露 | 定期报告 | 2021-04-30 |
| 2021-05-05 | 6257.10 | 未披露 |
更多>>
From December 31, 2020 to March 31, 2021
Exercise of stock options
Exercise of common stock warrants
|
2021-03-31 |
| 2021-04-07 | 6255.55 | 未披露 | 定期报告 | 2021-03-23 |
| 2021-04-07 | 6252.11 | 未披露 | 定期报告 | 2021-02-28 |
| 2021-02-24 | 6250.48 | 未披露 | 定期报告 | 2021-02-19 |
| 2021-02-24 | 6233.50 | 未披露 |
更多>>
From December 31,2019 to December 31,2020
Issuance of common stock under equity incentive plans
Issuance of common stock for Employee Stock Purchase Plan
Exercise of common stock warrants
|
2020-12-31 |
| 2020-11-05 | 6219.46 | 未披露 | 定期报告 | 2020-10-30 |
| 2020-11-05 | 6211.60 | 未披露 |
更多>>
From June 30, 2020 to September 30, 2020
Exercise of stock options
Exercise of common stock warrants
|
2020-09-30 |
| 2020-07-30 | 6090.61 | 未披露 | 定期报告 | 2020-07-22 |
| 2020-07-30 | 6078.70 | 未披露 |
更多>>
From March 31, 2020 to June 30, 2020
Exercise of stock options
Issuance of common stock for Employee Stock Purchase Plan
Exercise of common stock warrants
|
2020-06-30 |
| 2020-04-30 | 6010.30 | 未披露 | 定期报告 | 2020-04-21 |
| 2020-04-30 | 6007.07 | 未披露 |
更多>>
From December 31, 2019 to March 31, 2020
Exercise of stock options
Exercise of common stock warrants
|
2020-03-31 |
| 2020-02-24 | 5972.65 | 未披露 | 定期报告 | 2020-02-14 |
| 2020-02-24 | 5939.60 | 未披露 |
更多>>
From December 31, 2018 to December 31, 2019
Exercise of stock options
Exercise of common stock warrants
Issuance of common stock for Employee Stock Purchase Plan
|
2019-12-31 |
| 2019-11-04 | 5909.29 | 未披露 | 定期报告 | 2019-10-30 |
| 2019-11-04 | 5902.90 | 未披露 |
更多>>
from June 30, 2019 to September 30, 2019
Exercise of stock options
|
2019-09-30 |
| 2019-08-01 | 5865.23 | 未披露 | 定期报告 | 2019-07-26 |
| 2019-08-01 | 5858.90 | 未披露 |
更多>>
from December 31, 2018 to June 30, 2019
Exercise of stock options
Exercise of common stock warrants
Issuance of common stock for Employee Stock Purchase Plan
|
2019-06-30 |
| 2019-04-30 | 5806.72 | 未披露 | 定期报告 | 2019-04-26 |
| 2019-04-30 | 5798.20 | 未披露 |
更多>>
from December 31, 2018 to March 31, 2019
Exercise of stock options
Exercise of common stock warrants
|
2019-03-31 |
| 2019-04-11 | 5799.88 | 未披露 | 定期报告 | 2019-03-28 |
| 2019-04-11 | 5780.48 | 未披露 | 定期报告 | 2019-03-01 |
| 2019-02-26 | 5771.76 | 未披露 | 定期报告 | 2019-02-15 |
| 2019-02-26 | 5755.40 | 未披露 |
更多>>
from December 31, 2017 to December 31, 2018
Exercise of stock options
Exercise of common stock warrants
Issuance of common stock in public offering, net of underwriter’s discount and offering costs
Issuance of common stock for Employee Stock Purchase Plan
Stock-based compensation
|
2018-12-31 |
| 2018-11-01 | 5736.93 | 未披露 | 定期报告 | 2018-10-24 |
| 2018-11-01 | 5736.40 | 未披露 | 定期报告 | 2018-09-30 |
| 2018-08-07 | 5669.46 | 未披露 | 定期报告 | 2018-08-07 |
| 2018-07-30 | 5319.02 | 未披露 | 定期报告 | 2018-07-26 |
| 2018-07-30 | 5318.60 | 未披露 | 定期报告 | 2018-06-30 |
| 2018-04-26 | 5006.79 | 未披露 | 定期报告 | 2018-04-23 |
| 2018-04-26 | 5005.64 | 未披露 | 定期报告 | 2018-04-19 |
| 2018-04-26 | 4663.60 | 未披露 | 定期报告 | 2018-03-31 |
| 2018-03-01 | 4469.94 | 未披露 |
更多>>
In February 2018, the Company completed a registered public offering of 34,500,000 shares of common stock at a public offering price of $2.00 per share.
|
2018-02-23 |
| 2018-03-01 | 1011.90 | 未披露 |
更多>>
from December 31, 2016 to December 31, 2017
Exercise of stock options
Issuance of common stock in public offering, net of underwriter’s discount and offering costs
Issuance of common stock for Employee Stock Purchase Plan
|
2017-12-31 |
| 2017-12-18 | 1011.94 | 未披露 | 定期报告 | 2017-12-13 |
| 2017-10-26 | 1011.87 | 未披露 | 定期报告 | 2017-10-23 |
| 2017-10-10 | 548.70 | 未披露 |
更多>>
On October 4, 2017, our board of directors approved the reverse stock split at a ratio of 1-for-10.On October 9, 2017, we filed a Certificate of Amendment of Amended and Restated Certificate of Incorporation, or the Certificate of Amendment, with the Secretary of State of the State of Delaware to effect the reverse stock split.As a result of the reverse split, there will be approximately 5.5 million shares of common stock issued and outstanding.
|
2017-10-10 |
| 2017-07-27 | 5022.89 | 未披露 | 定期报告 | 2017-07-21 |
| 2017-07-27 | 5022.90 | 未披露 | 定期报告 | 2017-06-30 |
| 2017-04-27 | 4983.97 | 未披露 | 定期报告 | 2017-04-20 |
| 2017-04-06 | 4983.61 | 未披露 | 定期报告 | 2017-03-28 |
| 2017-03-08 | 3133.59 | 未披露 | 定期报告 | 2017-03-06 |
| 2017-03-08 | 3109.56 | 未披露 |
更多>>
from December 31, 2015 to December 31, 2016
Exercise of stock options
Issuance of common stock for Employee Stock Purchase Plan
|
2016-12-31 |
| 2016-11-01 | 3064.23 | 未披露 | 定期报告 | 2016-10-28 |
| 2016-11-01 | 3064.22 | 未披露 | 定期报告 | 2016-09-30 |
| 2016-07-28 | 3061.38 | 未披露 | 定期报告 | 2016-07-25 |
| 2016-07-28 | 3061.32 | 未披露 | 定期报告 | 2016-06-30 |
| 2016-04-28 | 3035.14 | 未披露 | 定期报告 | 2016-04-25 |
| 2016-04-28 | 3034.80 | 未披露 | 定期报告 | 2016-03-31 |
| 2016-03-29 | 3032.64 | 未披露 | 定期报告 | 2016-03-16 |
| 2016-02-24 | 3028.12 | 未披露 | 定期报告 | 2016-02-19 |
| 2016-02-24 | 3025.45 | 未披露 |
更多>>
20141231-20151231
行使普通股认股权证
行使股票期权
在公开发行的净普通股承销商的折扣和产品成本
为员工持股计划发行普通股
|
2015-12-31 |
| 2015-10-29 | 3007.50 | 未披露 | 定期报告 | 2015-10-26 |
| 2015-10-29 | 3007.08 | 未披露 | 定期报告 | 2015-09-30 |
| 2015-07-30 | 3001.45 | 未披露 | 定期报告 | 2015-07-27 |
| 2015-07-30 | 3000.70 | 未披露 | 定期报告 | 2015-06-30 |
| 2015-04-30 | 2980.17 | 未披露 | 定期报告 | 2015-04-27 |
| 2015-04-30 | 2978.00 | 未披露 | 定期报告 | 2015-03-31 |
| 2015-04-09 | 2977.93 | 未披露 | 定期报告 | 2015-03-27 |
| 2015-02-24 | 2371.50 | 未披露 | 定期报告 | 2015-02-20 |
| 2015-02-24 | 2365.47 | 未披露 |
更多>>
20131231-20141231
行使普通股认股权证
行使股票期权
为员工持股计划发行普通股
|
2014-12-31 |
| 2014-12-02 | 2363.38 | 未披露 | 定期报告 | 2014-11-30 |
| 2014-11-06 | 2350.07 | 未披露 | 定期报告 | 2014-10-30 |
| 2014-11-06 | 2349.18 | 未披露 | 定期报告 | 2014-09-30 |
| 2014-07-31 | 2346.32 | 未披露 | 定期报告 | 2014-07-21 |
| 2014-07-31 | 2345.55 | 未披露 | 定期报告 | 2014-06-30 |
| 2014-05-06 | 2298.08 | 未披露 | 定期报告 | 2014-04-30 |
| 2014-05-06 | 2297.82 | 未披露 | 定期报告 | 2014-03-31 |
| 2014-03-06 | 2293.94 | 未披露 | 定期报告 | 2014-02-28 |
| 2014-03-06 | 2292.56 | 未披露 |
更多>>
from December 31, 2012 to December 31, 2013
Issuance of Series D convertible preferred stock at $4.40 per share, net of issuance costs of $94,581
Exercise of preferred stock warrants
Conversion of preferred stock in connection with initial public offering
Issuance of common stock in initial public offering, net of underwriter’s discount and offering costs
Exercise of common stock warrants
Exercise of stock options
In October 2013, the Board of Directors approved a 1-for-1.6756 reverse stock split of the Company’s common stock.
|
2013-12-31 |
| 2013-11-14 | 2137.81 | 未披露 |
更多>>
a 1 for 1.6756 reverse stock split of our common stock to be effected prior to this offering;he automatic conversion upon the closing of this offering of all shares of our preferred stock to 13,148,450 shares of our common stock;the automatic conversion upon the closing of this offering of all warrants to purchase shares of preferred stock into warrants to purchase an aggregate of 1,426,646 shares of our common stock at a weighted average exercise price of $7.37 per share;
|
2013-11-14 |
| 2013-10-24 | 38.48 | 1835.37 |
更多>>
from December 31, 2012 to September 30, 2013
Issuance of Series D convertible preferred stock at $4.40 per share, net of issuance costs of $94,581
Exercise of stock options
|
2013-09-30 |
| 2013-10-07 | 38.16 | 1835.37 |
更多>>
from December 31, 2012 to June 30, 2013
Issuance of Series D convertible preferred stock at $4.40 per share, net of issuance costs of $85,940
Exercise of stock options
|
2013-06-30 |
From June 30, 2025 to September 30, 2025
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
From March 31, 2025 to June 30, 2025
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock for Employee Stock Purchase Plan
From December 31, 2024 to March 31, 2025
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
From December 31, 2023 to December 31, 2024
Stock repurchases and retirement of shares
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock under Employee Stock Purchase Plan
From June 30, 2024 to September 30, 2024
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
From March 31, 2024 to June 30, 2024
Issuance of common stock for Employee Stock Purchase Plan
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
From December 31, 2023 to March 31, 2024
Stock repurchase and retirement of shares
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
From December 31, 2022 to December 31, 2023
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock under Employee Stock Purchase Plan
From June 30, 2023 to September 30, 2023
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
From March 31, 2023 to June 30, 2023
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock for Employee Stock Purchase Plan
From December 31, 2022 to March 31, 2023
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
From December 31, 2021 to December 31, 2022
Exercise of common stock warrants
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock under Employee Stock Purchase Plan
From June 30, 2022 to September 30, 2022
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
From March 31, 2022 to June 30, 2022
Issuance of common stock for Employee Stock Purchase Plan
Exercise of common stock warrants
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
from December 31, 2021 to March 31, 2022
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Exercise of common stock warrants
From December 31, 2020 to December 31, 2021
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock for Employee Stock Purchase Plan
Exercise of common stock warrants
From June 30, 2021 to September 30, 2021
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Exercise of common stock warrants
From March 31, 2021 to June 30, 2021
Exercise of stock options
Vesting of restricted stock units, net of shares withheld for taxes
Issuance of common stock for Employee Stock Purchase Plan
From December 31, 2020 to March 31, 2021
Exercise of stock options
Exercise of common stock warrants
From December 31,2019 to December 31,2020
Issuance of common stock under equity incentive plans
Issuance of common stock for Employee Stock Purchase Plan
Exercise of common stock warrants
From June 30, 2020 to September 30, 2020
Exercise of stock options
Exercise of common stock warrants
From March 31, 2020 to June 30, 2020
Exercise of stock options
Issuance of common stock for Employee Stock Purchase Plan
Exercise of common stock warrants
From December 31, 2019 to March 31, 2020
Exercise of stock options
Exercise of common stock warrants
From December 31, 2018 to December 31, 2019
Exercise of stock options
Exercise of common stock warrants
Issuance of common stock for Employee Stock Purchase Plan
from June 30, 2019 to September 30, 2019
Exercise of stock options
from December 31, 2018 to June 30, 2019
Exercise of stock options
Exercise of common stock warrants
Issuance of common stock for Employee Stock Purchase Plan
from December 31, 2018 to March 31, 2019
Exercise of stock options
Exercise of common stock warrants
from December 31, 2017 to December 31, 2018
Exercise of stock options
Exercise of common stock warrants
Issuance of common stock in public offering, net of underwriter’s discount and offering costs
Issuance of common stock for Employee Stock Purchase Plan
Stock-based compensation
In February 2018, the Company completed a registered public offering of 34,500,000 shares of common stock at a public offering price of $2.00 per share.
from December 31, 2016 to December 31, 2017
Exercise of stock options
Issuance of common stock in public offering, net of underwriter’s discount and offering costs
Issuance of common stock for Employee Stock Purchase Plan
On October 4, 2017, our board of directors approved the reverse stock split at a ratio of 1-for-10.On October 9, 2017, we filed a Certificate of Amendment of Amended and Restated Certificate of Incorporation, or the Certificate of Amendment, with the Secretary of State of the State of Delaware to effect the reverse stock split.As a result of the reverse split, there will be approximately 5.5 million shares of common stock issued and outstanding.
from December 31, 2015 to December 31, 2016
Exercise of stock options
Issuance of common stock for Employee Stock Purchase Plan
20141231-20151231
行使普通股认股权证
行使股票期权
在公开发行的净普通股承销商的折扣和产品成本
为员工持股计划发行普通股
20131231-20141231
行使普通股认股权证
行使股票期权
为员工持股计划发行普通股
from December 31, 2012 to December 31, 2013
Issuance of Series D convertible preferred stock at $4.40 per share, net of issuance costs of $94,581
Exercise of preferred stock warrants
Conversion of preferred stock in connection with initial public offering
Issuance of common stock in initial public offering, net of underwriter’s discount and offering costs
Exercise of common stock warrants
Exercise of stock options
In October 2013, the Board of Directors approved a 1-for-1.6756 reverse stock split of the Company’s common stock.
a 1 for 1.6756 reverse stock split of our common stock to be effected prior to this offering;he automatic conversion upon the closing of this offering of all shares of our preferred stock to 13,148,450 shares of our common stock;the automatic conversion upon the closing of this offering of all warrants to purchase shares of preferred stock into warrants to purchase an aggregate of 1,426,646 shares of our common stock at a weighted average exercise price of $7.37 per share;
from December 31, 2012 to September 30, 2013
Issuance of Series D convertible preferred stock at $4.40 per share, net of issuance costs of $94,581
Exercise of stock options
from December 31, 2012 to June 30, 2013
Issuance of Series D convertible preferred stock at $4.40 per share, net of issuance costs of $85,940
Exercise of stock options