- Corporate Officers - B
- Bigham Michael
Insider Trading History of Bigham Michael
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Bigham Michael since 2005.
This trader's CIK number is 1216917.
At the time of last reporting, Bigham Michael was the Exec. Chairman of the Board of Paratek Pharmaceuticals, Inc.. (stock ticker symbol PRTK).
Also see all insider trading activities at Paratek Pharmaceuticals, Inc..
Note that in the past
BIGHAM MICHAEL also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Paratek Pharmaceuticals, Inc. (PRTK) by Bigham Michael
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | PRTK | 0 | $0 | 86,012 | $198,078 | 0 | $0 |
| 2021 | PRTK | 0 | $0 | 97,894 | $633,448 | 0 | $0 |
| 2020 | PRTK | 0 | $0 | 82,900 | $515,316 | 0 | $0 |
| 2018 | PRTK | 0 | $0 | 31,250 | $68,750 | 23,255 | $99,996 |
| 2018 | PRTK | 0 | $0 | 66,213 | $665,120 | 0 | $0 |
| 2017 | PRTK | 0 | $0 | 10,075 | $195,238 | 23,255 | $99,996 |
| 2016 | PRTK | 20,000 | $269,020 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Xenogen Corp (XGEN) by Bigham Michael
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2005 | XGEN | 1,374,571 | $4,000,001 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Supernus Pharmaceuticals, Inc. (SUPN) by Bigham Michael
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2013 | SUPN | 35,000 | $188,995 | 0 | $0 | 0 | $0 |
Insider trading activities at 3 companies by Bigham Michael:
1. Paratek Pharmaceuticals, Inc. (PRTK)
2. Xenogen Corp (XGEN)
3. Supernus Pharmaceuticals, Inc. (SUPN)
Table 1. Insider trading of Paratek Pharmaceuticals, Inc. (PRTK) by Bigham Michael
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-02-02 | PRTK | Option Ex | 23,255 | 4.30 | 99,996 |
| 2023-08-09 | PRTK | Sale | 31,250 | 2.20 | 68,750 |
| 2022-12-12 | PRTK | Sale | 19,484 | 1.98 | 38,578 |
| 2022-12-13 | PRTK | Sale | 31,891 | 1.96 | 62,506 |
| 2022-10-28 | PRTK | Sale | 6,000 | 3.47 | 20,820 |
| 2022-08-09 | PRTK | Sale | 28,637 | 2.66 | 76,174 |
| 2021-12-15 | PRTK | Sale | 17,819 | 4.27 | 76,087 |
| 2021-12-14 | PRTK | Sale | 8,622 | 4.37 | 37,678 |
| 2021-12-13 | PRTK | Sale | 5,059 | 4.42 | 22,360 |
| 2021-08-17 | PRTK | Sale | 32,030 | 5.12 | 163,993 |
| 2021-06-04 | PRTK | Sale | 34,364 | 9.70 | 333,330 |
| 2020-12-11 | PRTK | Sale | 18,337 | 6.95 | 127,442 |
| 2020-12-14 | PRTK | Sale | 26,063 | 6.71 | 174,882 |
| 2020-11-13 | PRTK | Sale | 26,250 | 5.93 | 155,662 |
| 2020-05-12 | PRTK | Sale | 12,250 | 4.68 | 57,330 |
| 2018-12-12 | PRTK | Sale | 8,400 | 6.76 | 56,784 |
| 2018-10-15 | PRTK | Sale | 6,300 | 8.96 | 56,448 |
| 2018-10-03 | PRTK | Sale | 16,313 | 9.82 | 160,193 |
| 2018-07-02 | PRTK | Sale | 22,500 | 9.97 | 224,325 |
| 2018-04-09 | PRTK | Sale | 8,700 | 12.70 | 110,490 |
| 2018-02-05 | PRTK | Sale | 4,000 | 14.22 | 56,880 |
| 2017-07-19 | PRTK | Option Ex | 23,255 | 4.30 | 99,996 |
| 2017-07-05 | PRTK | Sale | 5,075 | 23.58 | 119,663 |
| 2017-02-06 | PRTK | Sale | 5,000 | 15.12 | 75,575 |
| 2016-06-23 | PRTK | Buy | 20,000 | 13.45 | 269,020 |
Table 2. Insider trading of Xenogen Corp (XGEN) by Bigham Michael
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2005-08-11 | XGEN | Buy | 1,374,571 | 2.91 | 4,000,001 |
Table 3. Insider trading of Supernus Pharmaceuticals, Inc. (SUPN) by Bigham Michael
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2013-03-20 | SUPN | Buy | 20,000 | 5.21 | 104,200 |
| 2013-03-22 | SUPN | Buy | 15,000 | 5.65 | 84,795 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Bigham Michael
(Exec. Chairman of the Board of Paratek Pharmaceuticals, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.