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Mike Grey

Track

Insider profile

Currently holds positions in Spruce Biosciences Inc, Biomarin Pharmaceutical Inc, Mirati Therapeutics Inc and Horizon Therapeutics PLC

Performance

Overall performance
1.1
Performance over holding periods
1.1
30 days 90 days 120 days
Average return -6% 8.2% 15.1%
Success rate 0% 68% 82%
Transactions
2 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance

Positions

Position Company Period
Chairman of the Board Spruce Biosciences Inc Jan. 1, 2016 -
Independent Director Biomarin Pharmaceutical Inc Dec. 15, 2005 -
Independent Director Mirati Therapeutics Inc Nov. 5, 2014 -
Lead Independent Director Horizon Therapeutics PLC Aug. 1, 2012 -
Independent Director Horizon Therapeutics PLC Sept. 1, 2011 - Aug. 1, 2012
Mike Grey's trades of Mirum Pharmaceuticals Inc's stock


Subscribe to get access to the transaction volume chart and in-chart transaction details
• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date Company B/S Transaction type Nb. shares
Price
Value 		Number of shares Price Value Details
2025-12-23 2025-12-19
PlS Planned sale
81,756 +12.0%
322.77
US$4,941,928 		81,756 +12.0% 322.77 US$4,941,928
2025-12-19 2025-12-19
PrS Proposed sale
89,217
269.74
US$2,780,055 		89,217 269.74 US$2,780,055
2025-12-02 2025-12-01
PlS Planned sale
87,391 -43.2%
478.53
US$4,639,719 		87,391 -43.2% 478.53 US$4,639,719
2025-12-01 2025-12-01
PrS Proposed sale
50,000
74.00
US$3,700,000 		50,000 74.00 US$3,700,000
2025-11-25 2025-11-21
PlS Planned sale
50,000 -100.0%
70.00
US$3,500,000 		50,000 -100.0% 70.00 US$3,500,000
2025-11-21 2025-11-21
PrS Proposed sale
50,000
70.00
US$3,500,000 		50,000 70.00 US$3,500,000
2023-09-14 2023-09-14
PrS Proposed sale
14,216
32.00
US$454,912 		14,216 32.00 US$454,912
2023-09-14 2023-09-14
PlS Planned sale
14,216 -100.0%
32.00
US$454,912 		14,216 -100.0% 32.00 US$454,912
2023-09-14 2023-09-13
PlS Planned sale
392 -100.0%
32.00
US$12,544 		392 -100.0% 32.00 US$12,544
2023-06-09 2023-06-08
PlS Planned sale
14,608 -100.0%
29.00
US$423,632 		14,608 -100.0% 29.00 US$423,632
2023-06-08 2023-06-08
PrS Proposed sale
14,608
29.00
US$423,632 		14,608 29.00 US$423,632
2023-05-04 2023-05-03
PlS Planned sale
14,608 -100.0%
28.00
US$409,024 		14,608 -100.0% 28.00 US$409,024
2023-05-03 2023-05-03
PrS Proposed sale
14,608
28.00
US$409,024 		14,608 28.00 US$409,024
2021-07-23 2021-07-22
PlS Planned sale
4,000 -100.0%
100.05
US$400,200 		4,000 -100.0% 100.05 US$400,200
2021-07-23 2021-07-22
PlS Planned sale
1,000 -20.0%
100.00
US$100,000 		1,000 -20.0% 100.00 US$100,000
2021-03-09 2021-03-05
S Sale
5,000 -10.5%
76.28
US$381,400 		5,000 -10.5% 76.28 US$381,400
2020-12-16 2020-12-14
PlS Planned sale
89 -2.0%
249.42
US$22,198 		89 -2.0% 249.42 US$22,198
2020-12-16 2020-12-14
PlS Planned sale
1,019 -19.0%
248.55
US$253,269 		1,019 -19.0% 248.55 US$253,269
2020-12-16 2020-12-14
PlS Planned sale
1,997 -27.1%
247.62
US$494,502 		1,997 -27.1% 247.62 US$494,502
2020-12-16 2020-12-14
PlS Planned sale
1,807 -19.7%
246.73
US$445,834 		1,807 -19.7% 246.73 US$445,834
2020-12-16 2020-12-14
PlS Planned sale
1,284 -12.3%
245.11
US$314,725 		1,284 -12.3% 245.11 US$314,725
2020-12-16 2020-12-14
PlS Planned sale
1,653 -13.7%
244.45
US$404,083 		1,653 -13.7% 244.45 US$404,083
2020-12-16 2020-12-14
PlS Planned sale
1,815 -13.0%
243.35
US$441,671 		1,815 -13.0% 243.35 US$441,671
2020-12-16 2020-12-14
PlS Planned sale
857 -5.8%
242.29
US$207,641 		857 -5.8% 242.29 US$207,641
2020-12-16 2020-12-14
PlS Planned sale
379 -2.5%
241.22
US$91,422 		379 -2.5% 241.22 US$91,422
2020-08-07 2020-08-05
PlS Planned sale
1,755 -100.0%
73.35
US$128,729 		1,755 -100.0% 73.35 US$128,729
2020-08-05 2020-08-03
PlS Planned sale
2,500 -5.5%
120.35
US$300,875 		2,500 -5.5% 120.35 US$300,875
2020-07-22 2020-07-22
PlS Planned sale
1,755 -100.0%
60.00
US$105,300 		1,755 -100.0% 60.00 US$105,300
2020-06-26 2020-06-25
PlS Planned sale
1,755 -100.0%
55.00
US$96,525 		1,755 -100.0% 55.00 US$96,525
2020-05-26 2020-05-22
S Sale
10,530 -100.0%
48.77
US$513,505 		10,530 -100.0% 48.77 US$513,505
2019-11-14 2019-11-12
PlS Planned sale
3,042 -57.4%
102.44
US$311,622 		3,042 -57.4% 102.44 US$311,622
2019-05-15 2019-05-13
PlS Planned sale
300 -18.3%
66.08
US$19,825 		300 -18.3% 66.08 US$19,825
2019-05-15 2019-05-13
PlS Planned sale
5,460 -76.9%
65.26
US$356,314 		5,460 -76.9% 65.26 US$356,314
2016-02-23 2016-02-22
PlS Planned sale
7,500 -22.2%
80.00
US$600,000 		7,500 -22.2% 80.00 US$600,000