Insider Buy/Sell Details for the Medical - Diagnostics & Research Industry — March 2026
Ratio0.0:1
Daily Buy & Sell Volume
Transactions (164)
Natera, Inc. (NTRA)
Sheena Jonathan — Director
Shares
280
Price
$200.90
Total Value
$56.25K
Shares Held After
21,032
% of Holdings
1.3%
Natera, Inc. (NTRA)
Sheena Jonathan — Director
Shares
235
Price
$199.88
Total Value
$46.97K
Shares Held After
21,312
% of Holdings
1.1%
Natera, Inc. (NTRA)
Sheena Jonathan — Director
Shares
235
Price
$198.49
Total Value
$46.64K
Shares Held After
21,547
% of Holdings
1.1%
Natera, Inc. (NTRA)
Sheena Jonathan — Director
Shares
371
Price
$200.97
Total Value
$74.56K
Shares Held After
21,032
% of Holdings
1.7%
Natera, Inc. (NTRA)
Sheena Jonathan — Director
Shares
140
Price
$199.82
Total Value
$27.98K
Shares Held After
21,403
% of Holdings
0.6%
Natera, Inc. (NTRA)
Sheena Jonathan — Director
Shares
239
Price
$198.85
Total Value
$47.53K
Shares Held After
21,543
% of Holdings
1.1%
Natera, Inc. (NTRA)
Sheena Jonathan — Director
Shares
1,814
Price
$198.65
Total Value
$360.36K
Shares Held After
259,255
% of Holdings
0.7%
Natera, Inc. (NTRA)
Sheena Jonathan — Director
Shares
956
Price
$197.84
Total Value
$189.14K
Shares Held After
261,069
% of Holdings
0.4%
Natera, Inc. (NTRA)
Sheena Jonathan — Director
Shares
300
Price
$196.27
Total Value
$58.88K
Shares Held After
262,025
% of Holdings
0.1%
Guardant Health, Inc. (GH)
Tariq Musa — Director
Shares
348
Price
$88.09
Total Value
$30.66K
Shares Held After
8,394
% of Holdings
4.0%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
650
Price
$25.39
Total Value
$16.50K
Shares Held After
21,479
% of Holdings
2.9%
RadNet, Inc. (RDNT)
Sorensen Alma Gregory — Director
Shares
800
Price
$62.72
Total Value
$50.18K
Shares Held After
1,223,923
% of Holdings
0.1%
RadNet, Inc. (RDNT)
Sorensen Alma Gregory — Director
Shares
14,200
Price
$62.12
Total Value
$882.10K
Shares Held After
1,224,723
% of Holdings
1.1%
Medpace Holdings, Inc. (MEDP)
GEIGER JESSE J — President
Shares
31,707
Price
$455.30
Total Value
$14.44M
Shares Held After
15,000
% of Holdings
67.9%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
18,650
Price
$25.93
Total Value
$483.59K
Shares Held After
22,129
% of Holdings
45.7%
Twist Bioscience Corp (TWST)
CHESS ROBERT — Director
Shares
10,000
Price
$47.00
Total Value
$470.00K
Shares Held After
21,084
% of Holdings
32.2%
Guardant Health, Inc. (GH)
Bell Michael Brian — Chief Financial Officer
Shares
3,000
Price
$87.04
Total Value
$261.11K
Shares Held After
43,601
% of Holdings
6.4%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
126
Price
$26.68
Total Value
$3.36K
Shares Held After
40,779
% of Holdings
0.3%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
17,449
Price
$25.96
Total Value
$453.05K
Shares Held After
40,905
% of Holdings
29.9%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
254
Price
$198.02
Total Value
$50.30K
Shares Held After
2,310,772
% of Holdings
0.0%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
16,457
Price
$197.22
Total Value
$3.25M
Shares Held After
2,311,026
% of Holdings
0.7%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
24,814
Price
$196.23
Total Value
$4.87M
Shares Held After
2,327,483
% of Holdings
1.1%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
4,875
Price
$195.42
Total Value
$952.70K
Shares Held After
2,352,297
% of Holdings
0.2%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
2,300
Price
$194.17
Total Value
$446.59K
Shares Held After
2,357,172
% of Holdings
0.1%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
900
Price
$192.43
Total Value
$173.19K
Shares Held After
2,359,472
% of Holdings
0.0%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
300
Price
$190.68
Total Value
$57.20K
Shares Held After
2,360,372
% of Holdings
0.0%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
100
Price
$190.07
Total Value
$19.01K
Shares Held After
2,360,672
% of Holdings
0.0%
Natera, Inc. (NTRA)
Chapman Rowan E — Director
Shares
122
Price
$191.38
Total Value
$23.35K
Shares Held After
5,752
% of Holdings
2.1%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
13,204
Price
$25.45
Total Value
$336.00K
Shares Held After
58,354
% of Holdings
18.5%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
1,100
Price
$191.22
Total Value
$210.34K
Shares Held After
2,310,772
% of Holdings
0.0%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
13,883
Price
$190.46
Total Value
$2.64M
Shares Held After
2,311,872
% of Holdings
0.6%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
21,504
Price
$189.50
Total Value
$4.08M
Shares Held After
2,325,755
% of Holdings
0.9%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
21,476
Price
$188.54
Total Value
$4.05M
Shares Held After
2,347,259
% of Holdings
0.9%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
17,037
Price
$187.63
Total Value
$3.20M
Shares Held After
2,368,735
% of Holdings
0.7%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
100
Price
$195.32
Total Value
$19.53K
Shares Held After
2,310,772
% of Holdings
0.0%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
4,082
Price
$194.57
Total Value
$794.22K
Shares Held After
2,310,872
% of Holdings
0.2%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
7,043
Price
$193.58
Total Value
$1.36M
Shares Held After
2,314,954
% of Holdings
0.3%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
8,579
Price
$192.79
Total Value
$1.65M
Shares Held After
2,321,997
% of Holdings
0.4%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
9,896
Price
$191.55
Total Value
$1.90M
Shares Held After
2,330,576
% of Holdings
0.4%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
22,063
Price
$190.53
Total Value
$4.20M
Shares Held After
2,340,472
% of Holdings
0.9%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
2,886
Price
$189.64
Total Value
$547.31K
Shares Held After
2,362,535
% of Holdings
0.1%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
6,451
Price
$188.52
Total Value
$1.22M
Shares Held After
2,365,421
% of Holdings
0.3%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
5,809
Price
$187.52
Total Value
$1.09M
Shares Held After
2,371,872
% of Holdings
0.2%
Natera, Inc. (NTRA)
Rabinowitz Matthew — Director
Shares
8,091
Price
$186.75
Total Value
$1.51M
Shares Held After
2,377,681
% of Holdings
0.3%
CASTLE BIOSCIENCES INC (CSTL)
Juvenal Tobin W — Chief Commercial Officer
Shares
20,863
Price
$25.24
Total Value
$526.58K
Shares Held After
86,825
% of Holdings
19.4%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
23,179
Price
$25.28
Total Value
$585.94K
Shares Held After
71,558
% of Holdings
24.5%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
279
Price
$26.11
Total Value
$7.28K
Shares Held After
3,336
% of Holdings
7.7%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
279
Price
$26.11
Total Value
$7.28K
Shares Held After
3,336
% of Holdings
7.7%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
279
Price
$26.11
Total Value
$7.28K
Shares Held After
3,336
% of Holdings
7.7%
CASTLE BIOSCIENCES INC (CSTL)
MAETZOLD DEREK J — Director
Shares
282
Price
$26.11
Total Value
$7.36K
Shares Held After
3,336
% of Holdings
7.8%
Showing 1–50 of 164 transactions (page 1 of 4)