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Buy/Sell Ratio
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Last 30 Days
›
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
Log Scale
Transactions
(383)
All (383)
Buys (7)
Sells (376)
Company
Insider
Title
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Date (newest)
Total Value
% of Holdings
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ILLUMINA, INC.
(ILMN)
Meister Keith A.
— Director
Aug 19, 2026
Sale
Shares
19,884
Price
$202.37
Total Value
$4.02M
Shares Held After
2,069,541
% of Holdings
1.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Medpace Holdings, Inc.
(MEDP)
Carley Brian T
— Director
Aug 19, 2026
Sale
Shares
5,000
Price
$608.63
Total Value
$3.04M
Shares Held After
27,825
% of Holdings
15.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Medpace Holdings, Inc.
(MEDP)
Troendle August J.
— Director
Aug 19, 2026
Sale
Shares
15,609
Price
$606.47
Total Value
$9.47M
Shares Held After
588,369
% of Holdings
2.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Medpace Holdings, Inc.
(MEDP)
DAVENPORT FRED B JR
— Director
Aug 19, 2026
Sale
Shares
7,283
Price
$606.15
Total Value
$4.41M
Shares Held After
3,798
% of Holdings
65.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Cho Dennis
— Senior Vice President, Chief Legal Officer&Corporate Secretary
Aug 19, 2026
Sale
Shares
14,205
Price
$129.75
Total Value
$1.84M
Shares Held After
75,661
% of Holdings
15.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
(CRL)
Parisotto Shannon M
— CEVP, Disc&Safety Assessment
Aug 19, 2026
Sale
Shares
2,039
Price
$294.12
Total Value
$599.71K
Shares Held After
4,807
% of Holdings
29.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
THERMO FISHER SCIENTIFIC INC.
(TMO)
Britt Lisa P.
— Sr. VP and Chief HR Officer
Aug 19, 2026
Sale
Shares
11,440
Price
$613.12
Total Value
$7.01M
Shares Held After
14,784
% of Holdings
43.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ILLUMINA, INC.
(ILMN)
Wedel Christensen Jakob
— SVP, Strategy/Corp Development
Aug 18, 2026
Sale
Shares
1,033
Price
$191.52
Total Value
$197.84K
Shares Held After
14,023
% of Holdings
6.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Finn Patrick John
— President and COO
Aug 18, 2026
Sale
Shares
2,000
Price
$122.58
Total Value
$245.16K
Shares Held After
214,678
% of Holdings
0.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Finn Patrick John
— President and COO
Aug 18, 2026
Sale
Shares
6,296
Price
$121.01
Total Value
$761.86K
Shares Held After
216,678
% of Holdings
2.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Finn Patrick John
— President and COO
Aug 18, 2026
Sale
Shares
12,917
Price
$119.86
Total Value
$1.55M
Shares Held After
222,974
% of Holdings
5.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Finn Patrick John
— President and COO
Aug 18, 2026
Sale
Shares
4,500
Price
$119.04
Total Value
$535.68K
Shares Held After
235,891
% of Holdings
1.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Finn Patrick John
— President and COO
Aug 18, 2026
Sale
Shares
8,868
Price
$117.70
Total Value
$1.04M
Shares Held After
240,391
% of Holdings
3.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Finn Patrick John
— President and COO
Aug 18, 2026
Sale
Shares
10,420
Price
$116.82
Total Value
$1.22M
Shares Held After
249,259
% of Holdings
4.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Finn Patrick John
— President and COO
Aug 18, 2026
Sale
Shares
33,354
Price
$115.90
Total Value
$3.87M
Shares Held After
259,679
% of Holdings
11.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
(CRL)
Andrews Nancy C
— Director
Aug 18, 2026
Sale
Shares
573
Price
$285.24
Total Value
$163.44K
Shares Held After
1,438
% of Holdings
28.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Sotera Health Co
(SHC)
Petras Michael B. Jr.
— Director
Aug 17, 2026
Sale
Shares
850,000
Price
$18.50
Total Value
$15.73M
Shares Held After
3,969,393
% of Holdings
17.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Sotera Health Co
(SHC)
Petras Michael B. Jr.
— Director
Aug 17, 2026
Sale
Shares
294,515
Price
$18.50
Total Value
$5.45M
Shares Held After
397,912
% of Holdings
42.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
Juvenal Tobin W
— Chief Commercial Officer
Aug 17, 2026
Sale
Shares
1,730
Price
$29.59
Total Value
$51.19K
Shares Held After
75,964
% of Holdings
2.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Tariq Musa
— Director
Aug 17, 2026
Sale
Shares
116
Price
$156.45
Total Value
$18.15K
Shares Held After
11,316
% of Holdings
1.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 14, 2026
Sale
Shares
278
Price
$30.02
Total Value
$8.35K
Shares Held After
11,534
% of Holdings
2.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 14, 2026
Sale
Shares
278
Price
$30.02
Total Value
$8.35K
Shares Held After
11,534
% of Holdings
2.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 14, 2026
Sale
Shares
278
Price
$30.02
Total Value
$8.35K
Shares Held After
11,534
% of Holdings
2.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 14, 2026
Sale
Shares
278
Price
$30.02
Total Value
$8.35K
Shares Held After
11,534
% of Holdings
2.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 14, 2026
Sale
Shares
2,306
Price
$30.02
Total Value
$69.23K
Shares Held After
17,301
% of Holdings
11.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 14, 2026
Sale
Shares
2,714
Price
$30.02
Total Value
$81.47K
Shares Held After
20,355
% of Holdings
11.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
MAETZOLD DEREK J
— Director
Aug 14, 2026
Sale
Shares
1,100
Price
$30.02
Total Value
$33.02K
Shares Held After
21,479
% of Holdings
4.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CASTLE BIOSCIENCES INC
(CSTL)
Stokes Frank
— Chief Financial Officer
Aug 14, 2026
Sale
Shares
24,908
Price
$29.77
Total Value
$741.51K
Shares Held After
35,177
% of Holdings
41.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Neuronetics, Inc.
(STIM)
Chernett Jorey
— 10% Owner
Aug 14, 2026
Purchase
Shares
14,000
Price
$3.16
Total Value
$44.24K
Shares Held After
10,602,988
% of Holdings
0.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
MDxHealth SA
(MDXH)
MVM Partners, LLC
— Director
Aug 13, 2026
Purchase
Shares
2,202,643
Price
$0.45
Total Value
$1000.00K
Shares Held After
6,903,100
% of Holdings
31.9%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Medpace Holdings, Inc.
(MEDP)
Troendle August J.
— Director
Aug 13, 2026
Sale
Shares
458
Price
$600.39
Total Value
$274.98K
Shares Held After
603,978
% of Holdings
0.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Medpace Holdings, Inc.
(MEDP)
Troendle August J.
— Director
Aug 12, 2026
Sale
Shares
11,366
Price
$601.53
Total Value
$6.84M
Shares Held After
604,436
% of Holdings
1.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
Leproust Emily M.
— Director
Aug 12, 2026
Sale
Shares
19,952
Price
$125.08
Total Value
$2.50M
Shares Held After
818,938
% of Holdings
2.4%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Twist Bioscience Corp
(TWST)
BLAKE KATRYN
— Director
Aug 12, 2026
Sale
Shares
2,240
Price
$122.88
Total Value
$275.25K
Shares Held After
17,208
% of Holdings
11.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Monroe Terilyn J.
— Chief People Officer
Aug 12, 2026
Sale
Shares
400
Price
$167.92
Total Value
$67.17K
Shares Held After
22,979
% of Holdings
1.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Monroe Terilyn J.
— Chief People Officer
Aug 12, 2026
Sale
Shares
13,248
Price
$166.11
Total Value
$2.20M
Shares Held After
23,379
% of Holdings
36.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Monroe Terilyn J.
— Chief People Officer
Aug 12, 2026
Sale
Shares
19,014
Price
$165.16
Total Value
$3.14M
Shares Held After
36,627
% of Holdings
34.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Monroe Terilyn J.
— Chief People Officer
Aug 12, 2026
Sale
Shares
9,934
Price
$164.27
Total Value
$1.63M
Shares Held After
55,641
% of Holdings
15.1%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Guardant Health, Inc.
(GH)
Monroe Terilyn J.
— Chief People Officer
Aug 12, 2026
Sale
Shares
3,704
Price
$163.41
Total Value
$605.29K
Shares Held After
65,575
% of Holdings
5.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BIODESIX INC
(BDSX)
SCHULER JACK W
— 10% Owner
Aug 12, 2026
Purchase
Shares
15,000
Price
$24.47
Total Value
$366.99K
Shares Held After
555,810
% of Holdings
2.7%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
(CRL)
Girshick Birgit
— Director
Aug 11, 2026
Sale
Shares
6,500
Price
$279.90
Total Value
$1.82M
Shares Held After
36,013
% of Holdings
15.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
Medpace Holdings, Inc.
(MEDP)
McCarthy Cornelius P. III
— Director
Aug 11, 2026
Sale
Shares
1,140
Price
$605.37
Total Value
$690.12K
Shares Held After
12,275
% of Holdings
8.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
CHARLES RIVER LABORATORIES INTERNATIONAL, INC.
(CRL)
Parisotto Shannon M
— CEVP, Disc&Safety Assessment
Aug 11, 2026
Sale
Shares
3,714
Price
$279.66
Total Value
$1.04M
Shares Held After
4,807
% of Holdings
43.6%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
THERMO FISHER SCIENTIFIC INC.
(TMO)
Shafer Michael D
— Executive Vice President
Aug 11, 2026
Sale
Shares
14,300
Price
$600.00
Total Value
$8.58M
Shares Held After
20,994
% of Holdings
40.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
THERMO FISHER SCIENTIFIC INC.
(TMO)
Shafer Michael D
— Executive Vice President
Aug 11, 2026
Sale
Shares
11,200
Price
$600.00
Total Value
$6.72M
Shares Held After
20,994
% of Holdings
34.8%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
BIODESIX INC
(BDSX)
SCHULER JACK W
— 10% Owner
Aug 11, 2026
Purchase
Shares
13,700
Price
$24.01
Total Value
$328.91K
Shares Held After
540,810
% of Holdings
2.5%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ICON PLC
(ICLR)
Murray Ciaran
— Director
Aug 11, 2026
Sale
Shares
212
Price
$165.51
Total Value
$35.09K
Shares Held After
20,452
% of Holdings
1.0%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ICON PLC
(ICLR)
Murray Ciaran
— Director
Aug 11, 2026
Sale
Shares
1,880
Price
$164.47
Total Value
$309.20K
Shares Held After
20,664
% of Holdings
8.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ICON PLC
(ICLR)
Murray Ciaran
— Director
Aug 11, 2026
Sale
Shares
305
Price
$163.77
Total Value
$49.95K
Shares Held After
22,544
% of Holdings
1.3%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
ICON PLC
(ICLR)
Murray Ciaran
— Director
Aug 11, 2026
Sale
Shares
280
Price
$162.72
Total Value
$45.56K
Shares Held After
22,849
% of Holdings
1.2%
View Filing
📈 Chart on TradingView
💰 Financials on Finviz
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Version: v26.7.3