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Bell Michael Brian

Track

Insider profile

Performance

Overall performance
2.9
Performance over holding periods
2.9
30 days 90 days 120 days
Average return 1% 8.2% 15.1%
Success rate 87% 68% 82%
Transactions
13 0% Buy
34 71% Buy
47 69% Buy
Ranking by holding-period performance
Bell Michael Brian's trades of Guardant Health 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
2026-06-08 2026-06-05
S Sale
27,314 +36.7%
331.39
US$1,786,523 		27,314 +36.7% 331.39 US$1,786,523
2026-06-05 2026-06-05
PrS Proposed sale
36,882
270.28
US$80,102 		36,882 270.28 US$80,102
2026-03-17 2026-03-16
S Sale
88,206 -7.4%
149.04
US$3,861,263 		88,206 -7.4% 149.04 US$3,861,263
2026-03-16 2026-03-16
PrS Proposed sale
3,000
87.04
US$261,111 		3,000 87.04 US$261,111
2025-12-08 2025-12-05
S Sale
1,190 -4.1%
107.26
US$127,642 		1,190 -4.1% 107.26 US$127,642
2025-12-08 2025-12-05
S Sale
3,284 -10.1%
106.70
US$350,408 		3,284 -10.1% 106.70 US$350,408
2025-12-08 2025-12-05
S Sale
5,027 -13.4%
103.96
US$522,611 		5,027 -13.4% 103.96 US$522,611
2025-12-08 2025-12-05
S Sale
2,533 -6.3%
103.24
US$261,509 		2,533 -6.3% 103.24 US$261,509
2025-12-08 2025-12-05
S Sale
8,774 -18.0%
102.11
US$895,932 		8,774 -18.0% 102.11 US$895,932
2025-12-08 2025-12-05
S Sale
3,267 -6.3%
101.46
US$331,483 		3,267 -6.3% 101.46 US$331,483
2025-12-08 2025-12-05
S Sale
5,568 -9.7%
106.68
US$594,018 		5,568 -9.7% 106.68 US$594,018
2025-12-08 2025-12-05
S Sale
250 -0.4%
105.82
US$26,454 		250 -0.4% 105.82 US$26,454
2025-12-08 2025-12-05
S Sale
11,978 -17.1%
103.96
US$1,245,252 		11,978 -17.1% 103.96 US$1,245,252
2025-12-08 2025-12-05
S Sale
7,567 -9.8%
103.26
US$781,394 		7,567 -9.8% 103.26 US$781,394
2025-12-08 2025-12-05
S Sale
22,891 -22.8%
102.11
US$2,337,302 		22,891 -22.8% 102.11 US$2,337,302
2025-12-08 2025-12-05
S Sale
8,033 -7.4%
101.42
US$814,736 		8,033 -7.4% 101.42 US$814,736
2025-12-05 2025-12-05
PrS Proposed sale
80,362
103.14
US$8,288,741 		80,362 103.14 US$8,288,741
2020-11-03 2020-11-03
US CareDx Inc (CDNA)
PlS Planned sale
32,574 -24.0%
48.15
US$1,568,487 		32,574 -24.0% 48.15 US$1,568,487
2020-05-08 2020-05-06
US CareDx Inc (CDNA)
PlS Planned sale
1,429 -1.8%
29.58
US$42,270 		1,429 -1.8% 29.58 US$42,270
2020-05-08 2020-05-06
US CareDx Inc (CDNA)
PlS Planned sale
55,707 -41.5%
28.99
US$1,614,762 		55,707 -41.5% 28.99 US$1,614,762
2019-06-21 2019-06-20
US CareDx Inc (CDNA)
PlS Planned sale
14,702 -17.2%
38.81
US$570,601 		14,702 -17.2% 38.81 US$570,601
2019-05-22 2019-05-20
US CareDx Inc (CDNA)
PlS Planned sale
2,202 -2.8%
32.10
US$70,694 		2,202 -2.8% 32.10 US$70,694
2019-05-13 2019-05-09
US CareDx Inc (CDNA)
PlS Planned sale
14,894 -16.2%
32.42
US$482,884 		14,894 -16.2% 32.42 US$482,884
2019-03-05 2019-03-01
US CareDx Inc (CDNA)
PlS Planned sale
13,000 -14.4%
31.36
US$407,742 		13,000 -14.4% 31.36 US$407,742
2019-02-21 2019-02-20
US CareDx Inc (CDNA)
PlS Planned sale
2,200 -2.8%
26.30
US$57,860 		2,200 -2.8% 26.30 US$57,860
2019-02-19 2019-02-15
US CareDx Inc (CDNA)
PlS Planned sale
28,122 -26.7%
25.40
US$714,299 		28,122 -26.7% 25.40 US$714,299