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Subsector - Specialty Instruments
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Manufacturing
Include option trades
Include indirect trades
Latest data: 4/3/2025 10:20:07 PM
1 Month
Buy/Sell Ratio 0.04
3%
97%
Buy
Sell
$2.55 M
($66.58) M
31 Insiders
117 Insiders
43 Transactions
162 Transactions
3/3/2025 to 4/3/2025
3 Month
Buy/Sell Ratio 0.04
3%
97%
Buy
Sell
$6.43 M
($182.87) M
58 Insiders
256 Insiders
96 Transactions
489 Transactions
1/3/2025 to 4/3/2025
6 Month
Buy/Sell Ratio 0.09
8%
92%
Buy
Sell
$27.26 M
($296.57) M
115 Insiders
345 Insiders
214 Transactions
770 Transactions
10/3/2024 to 4/3/2025
12 Month
Buy/Sell Ratio 0.09
8%
92%
Buy
Sell
$51.78 M
($567.67) M
225 Insiders
485 Insiders
539 Transactions
1355 Transactions
4/3/2024 to 4/3/2025
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Laukien Frank H
Bruker Corp
$6,032,399
2
Williams Gregg
Vivani Medical, Inc.
$4,999,999
1
Treace John T.
Treace Medical Concepts, Inc.
$4,258,954
8
Duggan Robert W
Pulse Biosciences, Inc.
$2,699,413
3
Treace James T
Treace Medical Concepts, Inc.
$2,069,904
6
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
Essig Stuart
Integra Lifesciences Holdings Corp
$1,499,979
1
Lisi Steven A.
Beyond Air, Inc.
$801,642
3
Most Insider Selling
12 months
Name
Value
Transactions
Hoffman William
Inari Medical, Inc.
($39,798,263)
15
Wallace Richard P
Kla Corp
($31,817,550)
3
Lemaitre George W
Lemaitre Vascular Inc
($23,621,102)
8
Plisinski Michael P
Onto Innovation Inc.
($18,012,763)
3
Anish Bhatnagar
Soleno Therapeutics Inc
($14,096,069)
8
Khan Ahmad A.
Kla Corp
($13,872,983)
2
Regnery David S
Trane Technologies Plc
($12,301,883)
4
Sayer Kevin R
Dexcom Inc
($12,050,716)
3
Leong Justin
Resmed Inc
($11,916,968)
2
Zadno Reza
Procept Biorobotics Corp
($11,372,992)
6
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Treace Medical Concepts, Inc.
6
21
Lakeland Industries Inc
5
6
Perspective Therapeutics, Inc.
4
11
Orasure Technologies Inc
4
5
QT IMAGING HOLDINGS, INC.
4
5
Nexgel, Inc.
4
4
Alphatec Holdings, Inc.
3
5
Senseonics Holdings, Inc.
3
4
Tela Bio, Inc.
3
3
Infusystem Holdings, Inc
3
3
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Keysight Technologies, Inc.
10
13
Itron, Inc.
9
30
Irhythm Technologies, Inc.
9
23
Artivion, Inc.
9
19
Garmin Ltd
9
15
Biolife Solutions Inc
8
24
Boston Scientific Corp
8
16
Rockwell Automation, Inc
8
10
Dexcom Inc
7
33
Becton Dickinson & Co
7
13
Industry Summary of Insider Activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Laboratory Apparatus & Furniture
0.16
$42,247
($267,269)
0.04
$42,247
($1,095,704)
0.04
$42,247
($1,095,704)
Electromedical & Electrotherapeutic Apparatus
0.09
$240,911
($2,796,015)
0.74
$7,658,444
($10,317,794)
0.21
$8,378,886
($40,623,764)
Surgical & Medical Instruments & Apparatus
0.09
$2,053,802
($23,940,378)
0.07
$8,630,245
($122,761,079)
0.10
$22,802,656
($231,146,076)
Laboratory Analytical Instruments
0.08
$100,616
($1,325,471)
1.25
$6,630,504
($5,312,208)
0.74
$9,064,042
($12,203,701)
Instruments For Meas & Testing Of Electricity & Elec Signals
0.05
$58,796
($1,116,108)
0.01
$68,779
($12,097,385)
0.03
$598,151
($20,680,404)
Orthopedic, Prosthetic & Surgical Appliances & Supplies
0.03
$41,680
($1,655,836)
0.07
$510,919
($7,438,832)
0.10
$2,332,102
($23,527,117)
Industrial Instruments For Measurement, Display, And Control
0.01
$8,850
($1,514,803)
0.01
$333,975
($23,957,864)
0.05
$1,950,755
($41,638,475)
Auto Controls For Regulating Residential & Comml Environments
0.00
$0
($16,027,202)
0.00
$0
($20,978,840)
0.00
$0
($21,572,061)
Search, Detection, Navagation, Guidance, Aeronautical Sys
0.00
$0
($5,471,775)
0.00
$0
($32,063,968)
0.00
$0
($52,304,218)
Optical Instruments & Lenses
0.00
$0
($5,247,637)
0.01
$103,349
($16,143,126)
0.00
$175,309
($68,723,289)
Totalizing Fluid Meters & Counting Devices
0.00
$0
($4,763,965)
0.00
$0
($5,069,432)
0.00
$0
($5,294,317)
Measuring & Controlling Devices, Nec
0.00
$0
($2,264,647)
0.05
$2,011,942
($37,159,802)
0.06
$2,540,148
($42,447,638)
Ophthalmic Goods
0.00
$0
($180,002)
0.41
$259,841
($629,469)
0.68
$1,431,726
($2,103,683)
X-Ray Apparatus & Tubes & Related Irradiation Apparatus
0.00
$0
($12,923)
0.00
$0
($925,460)
0.06
$199,143
($3,544,611)
Dental Equipment & Supplies
--
$0
$0
--
$542,185
$0
370.20
$1,795,852
($4,851)
Photographic Equipment & Supplies
--
$0
$0
0.18
$109,230
($622,044)
0.15
$109,230
($729,317)
Watches, Clocks, Clockwork Operated Devices/parts
--
$0
$0
--
$359,159
$0
11.07
$359,159
($32,432)