INSIDER
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Subsector - Specialty Instruments
Officers
Directors
Officer & Directors
10 Percent
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All Sectors
Manufacturing
Include option trades
Include indirect trades
Latest data: 7/29/2025 10:06:54 PM
1 Month
Buy/Sell Ratio 0.01
0%
100%
Buy
Sell
$95,783
($13.40) M
3 Insiders
48 Insiders
6 Transactions
52 Transactions
6/29/2025 to 7/29/2025
3 Month
Buy/Sell Ratio 0.03
2%
98%
Buy
Sell
$10.39 M
($364.76) M
57 Insiders
216 Insiders
130 Transactions
334 Transactions
4/29/2025 to 7/29/2025
6 Month
Buy/Sell Ratio 0.03
3%
97%
Buy
Sell
$17.81 M
($514.55) M
115 Insiders
360 Insiders
255 Transactions
780 Transactions
1/29/2025 to 7/29/2025
12 Month
Buy/Sell Ratio 0.06
5%
95%
Buy
Sell
$49.81 M
($791.36) M
222 Insiders
499 Insiders
549 Transactions
1387 Transactions
7/29/2024 to 7/29/2025
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Laukien Frank H
Bruker Corp
$6,132,441
3
Williams Gregg
Vivani Medical, Inc.
$5,102,574
5
Walt David R
Quanterix Corp
$2,743,394
5
Duggan Robert W
Pulse Biosciences, Inc.
$2,699,413
3
Rothe Christian E
Rockwell Automation, Inc
$2,000,904
2
Semler Eric
Semler Scientific, Inc.
$1,896,500
1
Larkin C Raymond Jr
Align Technology Inc
$1,529,645
1
Treace John T.
Treace Medical Concepts, Inc.
$1,300,008
3
Capper Joseph H
Mimedx Group, Inc.
$1,268,000
1
Encrantz Staffan
Sight Sciences, Inc.
$1,210,121
9
Most Insider Selling
12 months
Name
Value
Transactions
Rales Steven M
Danaher Corp /De/
($245,919,391)
1
Wallace Richard P
Kla Corp
($29,159,287)
3
Hoffman William
Inari Medical, Inc.
($27,100,174)
8
Plisinski Michael P
Onto Innovation Inc.
($18,012,763)
3
Anish Bhatnagar
Soleno Therapeutics Inc
($13,296,225)
7
Lico James A
Fortive Corp
($12,670,000)
1
Regnery David S
Trane Technologies Plc
($12,301,883)
4
Leong Justin
Resmed Inc
($11,916,968)
2
Zadno Reza
Procept Biorobotics Corp
($11,372,992)
6
Casper Marc N
Thermo Fisher Scientific Inc.
($10,624,559)
2
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
QT IMAGING HOLDINGS, INC.
5
7
Orasure Technologies Inc
4
5
Lakeland Industries Inc
4
5
Nexgel, Inc.
4
4
Quanterix Corp
3
8
Eyepoint Pharmaceuticals, Inc.
3
7
Alphatec Holdings, Inc.
3
5
Senseonics Holdings, Inc.
3
4
Rapid Micro Biosystems, Inc.
3
3
Avantor, Inc.
3
3
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Keysight Technologies, Inc.
11
17
Itron, Inc.
9
36
Irhythm Technologies, Inc.
9
28
Artivion, Inc.
9
24
Garmin Ltd
9
14
Rockwell Automation, Inc
9
12
Biolife Solutions Inc
8
20
Trimble Inc.
8
14
Insulet Corp
8
11
Dexcom Inc
7
29
Industry Summary of Insider Activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Industrial Instruments For Measurement, Display, And Control
0.02
$61,196
($2,514,427)
0.00
$619,627
($269,175,238)
0.01
$1,967,195
($294,222,319)
Surgical & Medical Instruments & Apparatus
0.02
$34,587
($1,784,432)
0.08
$7,641,975
($94,652,607)
0.09
$16,918,609
($191,466,778)
Search, Detection, Navagation, Guidance, Aeronautical Sys
0.00
$0
($4,680,577)
0.00
$0
($50,739,640)
0.00
$0
($76,801,692)
Optical Instruments & Lenses
0.00
$0
($2,047,535)
0.00
$0
($16,416,693)
0.00
$175,309
($58,073,896)
Measuring & Controlling Devices, Nec
0.00
$0
($1,263,370)
0.01
$174,234
($13,235,138)
0.05
$2,420,982
($45,841,010)
Electromedical & Electrotherapeutic Apparatus
0.00
$0
($392,186)
0.26
$1,399,097
($5,367,446)
0.29
$8,910,591
($30,542,931)
Orthopedic, Prosthetic & Surgical Appliances & Supplies
0.00
$0
($326,900)
0.04
$594,183
($13,775,884)
0.09
$2,609,586
($27,807,117)
Laboratory Analytical Instruments
0.00
$0
($177,100)
1.49
$6,594,974
($4,429,078)
1.42
$12,815,054
($9,003,938)
Laboratory Apparatus & Furniture
0.00
$0
($175,779)
0.12
$77,247
($651,295)
0.05
$77,247
($1,479,730)
Instruments For Meas & Testing Of Electricity & Elec Signals
0.00
$0
($42,390)
0.01
$188,194
($14,276,643)
0.03
$601,512
($19,556,856)
Auto Controls For Regulating Residential & Comml Environments
--
$0
$0
0.00
$0
($20,978,840)
0.00
$0
($21,572,061)
Totalizing Fluid Meters & Counting Devices
--
$0
$0
0.00
$0
($5,336,306)
0.00
$0
($5,561,191)
Dental Equipment & Supplies
--
$0
$0
--
$249,994
$0
--
$1,648,875
$0
X-Ray Apparatus & Tubes & Related Irradiation Apparatus
--
$0
$0
0.00
$0
($1,122,756)
0.02
$98,519
($4,137,422)
Ophthalmic Goods
--
$0
$0
0.25
$267,997
($1,063,214)
0.56
$1,095,067
($1,959,979)
Photographic Equipment & Supplies
--
$0
$0
0.00
$0
($3,333,484)
0.03
$109,230
($3,333,484)
Watches, Clocks, Clockwork Operated Devices/parts
--
$0
$0
--
$0
$0
--
$359,159
$0