Average Insider

Where insiders trade, we follow

Insider Buy/Sell Details for the Medical - Diagnostics & Research Industry — Last 30 Days

Extreme outlier transactions (>3σ) are excluded.Show All Data
Ratio0.0:1
Daily Buy & Sell Volume

GRAIL, Inc. (GRAL)

Ofman Joshua J. — Director
Oct 15, 2026
Sale
Shares
2,114
Price
$138.79
Total Value
$293.39K
Shares Held After
342,271
% of Holdings
0.6%

GRAIL, Inc. (GRAL)

Ofman Joshua J. — Director
Oct 15, 2026
Sale
Shares
6,034
Price
$137.63
Total Value
$830.47K
Shares Held After
344,385
% of Holdings
1.7%

GRAIL, Inc. (GRAL)

Ofman Joshua J. — Director
Oct 15, 2026
Sale
Shares
7,052
Price
$136.83
Total Value
$964.95K
Shares Held After
350,419
% of Holdings
2.0%

GRAIL, Inc. (GRAL)

Ofman Joshua J. — Director
Oct 15, 2026
Sale
Shares
3,400
Price
$135.44
Total Value
$460.51K
Shares Held After
357,471
% of Holdings
0.9%

GRAIL, Inc. (GRAL)

Ofman Joshua J. — Director
Oct 15, 2026
Sale
Shares
1,000
Price
$134.38
Total Value
$134.38K
Shares Held After
360,871
% of Holdings
0.3%

GRAIL, Inc. (GRAL)

Ofman Joshua J. — Director
Oct 15, 2026
Sale
Shares
400
Price
$133.12
Total Value
$53.25K
Shares Held After
361,871
% of Holdings
0.1%

BillionToOne, Inc. (BLLN)

Atay Oguzhan — Director
Oct 14, 2026
Sale
Shares
2,667
Price
$98.00
Total Value
$261.37K
Shares Held After
149,168
% of Holdings
1.8%

BillionToOne, Inc. (BLLN)

Atay Oguzhan — Director
Oct 14, 2026
Sale
Shares
100
Price
$99.00
Total Value
$9.90K
Shares Held After
0
% of Holdings
100.0%

BillionToOne, Inc. (BLLN)

Atay Oguzhan — Director
Oct 14, 2026
Sale
Shares
3,083
Price
$98.32
Total Value
$303.12K
Shares Held After
100
% of Holdings
96.9%
Oct 14, 2026
Sale
Shares
69
Price
$159.89
Total Value
$11.03K
Shares Held After
893
% of Holdings
7.2%
Oct 13, 2026
Sale
Shares
179,457
Price
$0.38
Total Value
$68.19K
Shares Held After
11,387,928
% of Holdings
1.6%

SERA PROGNOSTICS, INC. (SERA)

Inglis Tiffany Eul Davis — Chief Medical Officer
Oct 12, 2026
Sale
Shares
8,024
Price
$2.03
Total Value
$16.29K
Shares Held After
83,565
% of Holdings
8.8%

CASTLE BIOSCIENCES INC (CSTL)

Juvenal Tobin W — Chief Commercial Officer
Oct 12, 2026
Sale
Shares
3,288
Price
$33.64
Total Value
$110.61K
Shares Held After
48,719
% of Holdings
6.3%

BillionToOne, Inc. (BLLN)

Atay Oguzhan — Director
Oct 12, 2026
Sale
Shares
2,667
Price
$97.61
Total Value
$260.33K
Shares Held After
151,835
% of Holdings
1.7%

BillionToOne, Inc. (BLLN)

Atay Oguzhan — Director
Oct 12, 2026
Sale
Shares
1,521
Price
$96.39
Total Value
$146.61K
Shares Held After
0
% of Holdings
100.0%

BillionToOne, Inc. (BLLN)

Atay Oguzhan — Director
Oct 12, 2026
Sale
Shares
3,869
Price
$94.61
Total Value
$366.06K
Shares Held After
1,521
% of Holdings
71.8%

BillionToOne, Inc. (BLLN)

Atay Oguzhan — Director
Oct 12, 2026
Sale
Shares
6,763
Price
$93.65
Total Value
$633.33K
Shares Held After
5,390
% of Holdings
55.6%

BillionToOne, Inc. (BLLN)

Atay Oguzhan — Director
Oct 12, 2026
Sale
Shares
2,553
Price
$93.05
Total Value
$237.55K
Shares Held After
12,153
% of Holdings
17.4%

BillionToOne, Inc. (BLLN)

Atay Oguzhan — Director
Oct 12, 2026
Sale
Shares
1,961
Price
$91.57
Total Value
$179.57K
Shares Held After
14,706
% of Holdings
11.8%

Twist Bioscience Corp (TWST)

Laponis Adam — Chief Financial Officer
Oct 9, 2026
Sale
Shares
2,462
Price
$156.30
Total Value
$384.82K
Shares Held After
98,114
% of Holdings
2.4%
Oct 5, 2026
Sale
Shares
981
Price
$308.44
Total Value
$302.58K
Shares Held After
4,807
% of Holdings
16.9%

BillionToOne, Inc. (BLLN)

ten Bosch John Roderick — SVP of Laboratory Operations
Oct 5, 2026
Sale
Shares
1,417
Price
$105.15
Total Value
$149.00K
Shares Held After
19,385
% of Holdings
6.8%

BillionToOne, Inc. (BLLN)

ten Bosch John Roderick — SVP of Laboratory Operations
Oct 5, 2026
Sale
Shares
1,417
Price
$105.15
Total Value
$149.00K
Shares Held After
20,802
% of Holdings
6.4%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
100
Price
$110.09
Total Value
$11.01K
Shares Held After
1,000
% of Holdings
9.1%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
1,829
Price
$109.14
Total Value
$199.63K
Shares Held After
1,100
% of Holdings
62.4%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
4,916
Price
$108.53
Total Value
$533.55K
Shares Held After
2,929
% of Holdings
62.7%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
2,200
Price
$107.47
Total Value
$236.44K
Shares Held After
7,845
% of Holdings
21.9%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
400
Price
$106.10
Total Value
$42.44K
Shares Held After
10,045
% of Holdings
3.8%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
555
Price
$105.56
Total Value
$58.59K
Shares Held After
10,445
% of Holdings
5.0%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
20
Price
$110.08
Total Value
$2.20K
Shares Held After
11,000
% of Holdings
0.2%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
2,921
Price
$109.00
Total Value
$318.40K
Shares Held After
11,020
% of Holdings
21.0%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
4,284
Price
$108.39
Total Value
$464.36K
Shares Held After
13,941
% of Holdings
23.5%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
1,909
Price
$107.19
Total Value
$204.64K
Shares Held After
18,225
% of Holdings
9.5%

BillionToOne, Inc. (BLLN)

Tsao David — Director
Oct 5, 2026
Sale
Shares
866
Price
$105.90
Total Value
$91.71K
Shares Held After
20,134
% of Holdings
4.1%

GRAIL, Inc. (GRAL)

Partridge Andrew John — Chief Growth Officer
Oct 5, 2026
Sale
Shares
7,873
Price
$146.39
Total Value
$1.15M
Shares Held After
155,865
% of Holdings
4.8%

GRAIL, Inc. (GRAL)

Freidin Aaron — Chief Financial Officer
Oct 5, 2026
Sale
Shares
23,619
Price
$146.39
Total Value
$3.46M
Shares Held After
225,364
% of Holdings
9.5%
Oct 5, 2026
Sale
Shares
2,718
Price
$35.57
Total Value
$96.67K
Shares Held After
6,832
% of Holdings
28.5%
Oct 5, 2026
Sale
Shares
3,198
Price
$35.57
Total Value
$113.74K
Shares Held After
8,038
% of Holdings
28.5%
Oct 5, 2026
Sale
Shares
8,580
Price
$35.57
Total Value
$305.16K
Shares Held After
21,064
% of Holdings
28.9%
Oct 5, 2026
Sale
Shares
45
Price
$207.46
Total Value
$9.34K
Shares Held After
562,760
% of Holdings
0.0%
Oct 5, 2026
Sale
Shares
146
Price
$206.84
Total Value
$30.20K
Shares Held After
562,805
% of Holdings
0.0%
Oct 5, 2026
Sale
Shares
297
Price
$205.78
Total Value
$61.12K
Shares Held After
562,951
% of Holdings
0.1%
Oct 5, 2026
Sale
Shares
290
Price
$204.80
Total Value
$59.39K
Shares Held After
563,248
% of Holdings
0.1%
Oct 5, 2026
Sale
Shares
432
Price
$203.61
Total Value
$87.96K
Shares Held After
563,538
% of Holdings
0.1%
Oct 5, 2026
Sale
Shares
1,017
Price
$202.32
Total Value
$205.76K
Shares Held After
563,970
% of Holdings
0.2%
Oct 5, 2026
Sale
Shares
481
Price
$201.26
Total Value
$96.80K
Shares Held After
564,987
% of Holdings
0.1%
Oct 5, 2026
Sale
Shares
1,840
Price
$200.44
Total Value
$368.81K
Shares Held After
565,468
% of Holdings
0.3%
Version: v26.10.12