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Buy/Sell Ratio
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Last 30 Days
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Medical - Diagnostics & Research Industry
Insider Buy/Sell Details for the Medical - Diagnostics & Research Industry — Last 30 Days
Extreme outlier transactions (>3σ) are excluded.
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Ratio
0.0:1
Daily Buy & Sell Volume
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Transactions
(348)
All (348)
Buys (12)
Sells (336)
Company
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Title
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Total Value
% of Holdings
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EXAGEN INC.
(XGN)
Black Jeffrey G.
— Chief Financial Officer
Sep 1, 2026
Sale
Shares
20,614
Price
$7.22
Total Value
$148.78K
Shares Held After
323,339
% of Holdings
6.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
THERMO FISHER SCIENTIFIC INC.
(TMO)
Pettiti Gianluca
— President&COO
Aug 31, 2026
Sale
Shares
3,733
Price
$614.38
Total Value
$2.29M
Shares Held After
23,216
% of Holdings
13.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
THERMO FISHER SCIENTIFIC INC.
(TMO)
Pettiti Gianluca
— President&COO
Aug 31, 2026
Sale
Shares
400
Price
$614.38
Total Value
$245.75K
Shares Held After
23,216
% of Holdings
1.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
21
Price
$33.88
Total Value
$711.48
Shares Held After
11,256
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
21
Price
$33.88
Total Value
$711.48
Shares Held After
11,256
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
21
Price
$33.88
Total Value
$711.48
Shares Held After
11,256
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
21
Price
$33.88
Total Value
$711.48
Shares Held After
11,256
% of Holdings
0.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
177
Price
$33.88
Total Value
$6.00K
Shares Held After
14,995
% of Holdings
1.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
209
Price
$33.88
Total Value
$7.08K
Shares Held After
17,641
% of Holdings
1.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
956
Price
$33.88
Total Value
$32.39K
Shares Held After
21,479
% of Holdings
4.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
257
Price
$33.14
Total Value
$8.52K
Shares Held After
11,277
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
257
Price
$33.14
Total Value
$8.52K
Shares Held After
11,277
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
257
Price
$33.14
Total Value
$8.52K
Shares Held After
11,277
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
257
Price
$33.14
Total Value
$8.52K
Shares Held After
11,277
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
2,129
Price
$33.14
Total Value
$70.56K
Shares Held After
15,172
% of Holdings
12.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
2,505
Price
$33.14
Total Value
$83.02K
Shares Held After
17,850
% of Holdings
12.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 28, 2026
Sale
Shares
11,472
Price
$33.14
Total Value
$380.18K
Shares Held After
22,435
% of Holdings
33.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
QUEST DIAGNOSTICS INC
(DGX)
PREVOZNIK MICHAEL E
— SVP&General Counsel
Aug 28, 2026
Sale
Shares
430
Price
$244.51
Total Value
$105.14K
Shares Held After
37,557
% of Holdings
1.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
QUEST DIAGNOSTICS INC
(DGX)
PREVOZNIK MICHAEL E
— SVP&General Counsel
Aug 28, 2026
Sale
Shares
6,237
Price
$243.63
Total Value
$1.52M
Shares Held After
37,987
% of Holdings
14.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
QUEST DIAGNOSTICS INC
(DGX)
PREVOZNIK MICHAEL E
— SVP&General Counsel
Aug 28, 2026
Sale
Shares
16,010
Price
$242.88
Total Value
$3.89M
Shares Held After
44,224
% of Holdings
26.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
GRAIL, Inc.
(GRAL)
Freidin Aaron
— Chief Financial Officer
Aug 27, 2026
Sale
Shares
7,900
Price
$85.01
Total Value
$671.58K
Shares Held After
253,083
% of Holdings
3.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
GRAIL, Inc.
(GRAL)
Ofman Joshua J.
— Director
Aug 27, 2026
Sale
Shares
5,000
Price
$85.02
Total Value
$425.10K
Shares Held After
397,271
% of Holdings
1.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Medpace Holdings, Inc.
(MEDP)
Troendle August J.
— Director
Aug 27, 2026
Sale
Shares
650
Price
$620.27
Total Value
$403.18K
Shares Held After
539,894
% of Holdings
0.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
METTLER TOLEDO INTERNATIONAL INC/
(MTD)
Kaltenbach Patrick
— President and CEO
Aug 27, 2026
Sale
Shares
942
Price
$1,425.00
Total Value
$1.34M
Shares Held After
4,480
% of Holdings
17.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Fulgent Genetics, Inc.
(FLGT)
Gao Hanlin
— Chief Scientific Officer
Aug 27, 2026
Sale
Shares
939
Price
$19.91
Total Value
$18.69K
Shares Held After
987,790
% of Holdings
0.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Fulgent Genetics, Inc.
(FLGT)
Xie Jian
— President and COO
Aug 27, 2026
Sale
Shares
1,193
Price
$19.91
Total Value
$23.75K
Shares Held After
362,051
% of Holdings
0.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 27, 2026
Sale
Shares
9,405
Price
$231.23
Total Value
$2.17M
Shares Held After
1,033,910
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 27, 2026
Sale
Shares
28,439
Price
$230.54
Total Value
$6.56M
Shares Held After
1,043,315
% of Holdings
2.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 27, 2026
Sale
Shares
16,990
Price
$229.72
Total Value
$3.90M
Shares Held After
1,071,754
% of Holdings
1.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 27, 2026
Sale
Shares
24,363
Price
$228.64
Total Value
$5.57M
Shares Held After
1,088,744
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 27, 2026
Sale
Shares
54,309
Price
$227.67
Total Value
$12.36M
Shares Held After
1,113,107
% of Holdings
4.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 27, 2026
Sale
Shares
4,873
Price
$226.74
Total Value
$1.10M
Shares Held After
1,167,416
% of Holdings
0.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Medpace Holdings, Inc.
(MEDP)
Kraft Robert O.
— Director
Aug 26, 2026
Sale
Shares
3,858
Price
$617.81
Total Value
$2.38M
Shares Held After
955
% of Holdings
80.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 26, 2026
Sale
Shares
425
Price
$227.22
Total Value
$96.57K
Shares Held After
1,172,289
% of Holdings
0.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 26, 2026
Sale
Shares
14,782
Price
$226.50
Total Value
$3.35M
Shares Held After
1,172,714
% of Holdings
1.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 26, 2026
Sale
Shares
53,123
Price
$225.69
Total Value
$11.99M
Shares Held After
1,187,496
% of Holdings
4.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 26, 2026
Sale
Shares
38,213
Price
$224.72
Total Value
$8.59M
Shares Held After
1,240,619
% of Holdings
3.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Medpace Holdings, Inc.
(MEDP)
Troendle August J.
— Director
Aug 26, 2026
Sale
Shares
4,000
Price
$620.03
Total Value
$2.48M
Shares Held After
540,544
% of Holdings
0.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Leproust Emily M.
— Director
Aug 25, 2026
Sale
Shares
1,093
Price
$154.45
Total Value
$168.81K
Shares Held After
770,729
% of Holdings
0.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Leproust Emily M.
— Director
Aug 25, 2026
Sale
Shares
9,181
Price
$153.93
Total Value
$1.41M
Shares Held After
771,822
% of Holdings
1.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Leproust Emily M.
— Director
Aug 25, 2026
Sale
Shares
6,412
Price
$152.75
Total Value
$979.43K
Shares Held After
781,003
% of Holdings
0.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Leproust Emily M.
— Director
Aug 25, 2026
Sale
Shares
12,236
Price
$151.35
Total Value
$1.85M
Shares Held After
787,415
% of Holdings
1.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Leproust Emily M.
— Director
Aug 25, 2026
Sale
Shares
12,648
Price
$150.56
Total Value
$1.90M
Shares Held After
799,651
% of Holdings
1.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
(CRL)
FOSTER JAMES C
— Director
Aug 25, 2026
Sale
Shares
33,561
Price
$300.00
Total Value
$10.07M
Shares Held After
31,596
% of Holdings
51.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
ten Bosch John Roderick
— SVP of Laboratory Operations
Aug 25, 2026
Sale
Shares
1,417
Price
$100.00
Total Value
$141.70K
Shares Held After
26,467
% of Holdings
5.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BillionToOne, Inc.
(BLLN)
Tsao David
— Director
Aug 25, 2026
Sale
Shares
10,000
Price
$100.00
Total Value
$1.00M
Shares Held After
1,000
% of Holdings
90.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 25, 2026
Sale
Shares
42
Price
$226.79
Total Value
$9.53K
Shares Held After
1,278,832
% of Holdings
0.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 25, 2026
Sale
Shares
38,201
Price
$226.13
Total Value
$8.64M
Shares Held After
1,278,874
% of Holdings
2.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 25, 2026
Sale
Shares
92,776
Price
$225.26
Total Value
$20.90M
Shares Held After
1,317,075
% of Holdings
6.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
Juvenal Tobin W
— Chief Commercial Officer
Aug 25, 2026
Sale
Shares
9,050
Price
$35.04
Total Value
$317.11K
Shares Held After
66,914
% of Holdings
11.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
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Showing 1–50 of 348 transactions (page 1 of 7)
Version: v26.7.3