- Corporate Officers - G
- Grey Michael G
Insider Trading History of Grey Michael G
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Grey Michael G since 2008.
This trader's CIK number is 1240122.
At the time of last reporting, Grey Michael G was the Director of Horizon Therapeutics Public Ltd Co. (stock ticker symbol HZNP).
Also see all insider trading activities at Horizon Therapeutics Public Ltd Co.
Note that in the past
GREY MICHAEL G also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Biomarin Pharmaceutical Inc (BMRN) by Grey Michael G
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | BMRN | 0 | $0 | 5,000 | $381,400 | 5,000 | $132,450 |
| 2020 | BMRN | 0 | $0 | 2,500 | $300,875 | 2,500 | $66,225 |
| 2016 | BMRN | 0 | $0 | 7,500 | $600,000 | 7,500 | $289,425 |
| 2015 | BMRN | 0 | $0 | 7,500 | $782,055 | 7,500 | $289,425 |
| 2013 | BMRN | 0 | $0 | 45,000 | $2,998,815 | 45,000 | $869,160 |
| 2012 | BMRN | 0 | $0 | 0 | $0 | 30,000 | $507,600 |
| 2008 | BMRN | 0 | $0 | 25,000 | $955,555 | 30,000 | $309,900 |
Yearly summary of insider trading at Reneo Pharmaceuticals, Inc. (RPHM) by Grey Michael G
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2022 | RPHM | 0 | $0 | 0 | $0 | 50,000 | $98,500 |
Yearly summary of insider trading at Horizon Therapeutics Public Ltd Co (HZNP) by Grey Michael G
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | HZNP | 0 | $0 | 0 | $0 | 23,913 | $319,200 |
| 2022 | HZNP | 0 | $0 | 0 | $0 | 4,223 | $0 |
| 2021 | HZNP | 0 | $0 | 5,000 | $500,125 | 16,098 | $11,850 |
| 2020 | HZNP | 0 | $0 | 15,795 | $844,059 | 31,185 | $103,351 |
| 2019 | HZNP | 0 | $0 | 0 | $0 | 15,320 | $0 |
| 2018 | HZNP | 0 | $0 | 0 | $0 | 14,054 | $0 |
| 2017 | HZNP | 10,000 | $94,800 | 0 | $0 | 13,953 | $0 |
Yearly summary of insider trading at Mirati Therapeutics, Inc. (MRTX) by Grey Michael G
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | MRTX | 0 | $0 | 10,900 | $2,675,023 | 10,900 | $183,556 |
| 2019 | MRTX | 0 | $0 | 14,886 | $1,253,715 | 17,600 | $296,384 |
Yearly summary of insider trading at Mirum Pharmaceuticals, Inc. (MIRM) by Grey Michael G
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2023 | MIRM | 0 | $0 | 43,824 | $1,300,112 | 43,824 | $128,666 |
Insider trading activities at 5 companies by Grey Michael G:
1. Biomarin Pharmaceutical Inc (BMRN)
2. Reneo Pharmaceuticals, Inc. (RPHM)
3. Horizon Therapeutics Public Ltd Co (HZNP)
4. Mirati Therapeutics, Inc. (MRTX)
5. Mirum Pharmaceuticals, Inc. (MIRM)
Table 1. Insider trading of Biomarin Pharmaceutical Inc (BMRN) by Grey Michael G
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-03-05 | BMRN | Option Ex | 5,000 | 26.49 | 132,450 |
| 2021-03-05 | BMRN | Sale | 5,000 | 76.28 | 381,400 |
| 2020-08-03 | BMRN | Option Ex | 2,500 | 26.49 | 66,225 |
| 2020-08-03 | BMRN | Sale | 2,500 | 120.35 | 300,875 |
| 2016-02-22 | BMRN | Option Ex | 7,500 | 38.59 | 289,425 |
| 2016-02-22 | BMRN | Sale | 7,500 | 80.00 | 600,000 |
| 2015-11-16 | BMRN | Option Ex | 7,500 | 38.59 | 289,425 |
| 2015-11-16 | BMRN | Sale | 7,500 | 104.27 | 782,055 |
| 2013-12-11 | BMRN | Sale | 30,000 | 69.66 | 2,089,680 |
| 2013-12-11 | BMRN | Option Ex | 30,000 | 21.78 | 653,310 |
| 2013-03-06 | BMRN | Sale | 15,000 | 60.61 | 909,135 |
| 2013-03-03 | BMRN | Option Ex | 15,000 | 14.39 | 215,850 |
| 2012-02-23 | BMRN | Option Ex | 30,000 | 16.92 | 507,600 |
| 2008-03-05 | BMRN | Sale | 3,500 | 38.42 | 134,470 |
| 2008-03-05 | BMRN | Option Ex | 30,000 | 10.33 | 309,900 |
| 2008-03-05 | BMRN | Sale | 21,500 | 38.19 | 821,085 |
Table 2. Insider trading of Reneo Pharmaceuticals, Inc. (RPHM) by Grey Michael G
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2022-08-31 | RPHM | Option Ex | 50,000 | 1.97 | 98,500 |
Table 3. Insider trading of Horizon Therapeutics Public Ltd Co (HZNP) by Grey Michael G
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-09-28 | HZNP | Option Ex | 20,000 | 15.96 | 319,200 |
| 2023-04-28 | HZNP | Option Ex | 3,913 | .00 | 0 |
| 2022-04-29 | HZNP | Option Ex | 4,223 | .00 | 0 |
| 2021-07-22 | HZNP | Option Ex | 5,000 | 2.37 | 11,850 |
| 2021-07-22 | HZNP | Sale | 5,000 | 100.03 | 500,125 |
| 2021-04-30 | HZNP | Option Ex | 11,098 | .00 | 0 |
| 2020-08-05 | HZNP | Option Ex | 1,755 | 3.95 | 6,932 |
| 2020-08-05 | HZNP | Sale | 1,755 | 73.35 | 128,729 |
| 2020-07-22 | HZNP | Option Ex | 1,755 | 3.95 | 6,932 |
| 2020-07-22 | HZNP | Sale | 1,755 | 60.00 | 105,300 |
| 2020-06-25 | HZNP | Option Ex | 1,755 | 3.95 | 6,932 |
| 2020-06-25 | HZNP | Sale | 1,755 | 55.00 | 96,525 |
| 2020-05-22 | HZNP | Option Ex | 10,530 | 7.84 | 82,555 |
| 2020-05-22 | HZNP | Sale | 10,530 | 48.77 | 513,505 |
| 2020-05-02 | HZNP | Option Ex | 15,390 | .00 | 0 |
| 2019-05-03 | HZNP | Option Ex | 15,320 | .00 | 0 |
| 2018-05-03 | HZNP | Option Ex | 14,054 | .00 | 0 |
| 2017-05-10 | HZNP | Buy | 10,000 | 9.48 | 94,800 |
| 2017-05-03 | HZNP | Option Ex | 13,953 | .00 | 0 |
Table 4. Insider trading of Mirati Therapeutics, Inc. (MRTX) by Grey Michael G
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-12-14 | MRTX | Option Ex | 10,900 | 16.84 | 183,556 |
| 2020-12-14 | MRTX | Sale | 10,900 | 245.41 | 2,675,023 |
| 2019-11-12 | MRTX | Option Ex | 3,500 | 16.84 | 58,940 |
| 2019-11-12 | MRTX | Sale | 3,042 | 102.44 | 311,622 |
| 2019-08-12 | MRTX | Sale | 3,042 | 92.67 | 281,917 |
| 2019-08-12 | MRTX | Option Ex | 3,500 | 16.84 | 58,940 |
| 2019-08-12 | MRTX | Option Ex | 3,500 | 16.84 | 58,940 |
| 2019-08-12 | MRTX | Sale | 3,042 | 92.67 | 281,917 |
| 2019-05-13 | MRTX | Option Ex | 7,100 | 16.84 | 119,564 |
| 2019-05-13 | MRTX | Sale | 5,760 | 65.67 | 378,259 |
Table 5. Insider trading of Mirum Pharmaceuticals, Inc. (MIRM) by Grey Michael G
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2023-09-13 | MIRM | Option Ex | 392 | 2.94 | 1,150 |
| 2023-09-14 | MIRM | Option Ex | 14,216 | 2.94 | 41,738 |
| 2023-09-13 | MIRM | Sale | 392 | 32.00 | 12,544 |
| 2023-09-14 | MIRM | Sale | 14,216 | 32.00 | 454,912 |
| 2023-06-08 | MIRM | Sale | 14,608 | 29.00 | 423,632 |
| 2023-06-08 | MIRM | Option Ex | 14,608 | 2.94 | 42,889 |
| 2023-05-03 | MIRM | Option Ex | 14,608 | 2.94 | 42,889 |
| 2023-05-03 | MIRM | Sale | 14,608 | 28.00 | 409,024 |
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 Grey Michael G
(Director of Horizon Therapeutics Public Ltd Co at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.