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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: 4/25/2025 10:05:54 PM
1 Month
Buy/Sell Ratio 0.15
12%
88%
Buy
Sell
$977,562
($6.61) M
16 Insiders
36 Insiders
37 Transactions
49 Transactions
3/25/2025 to 4/25/2025
3 Month
Buy/Sell Ratio 0.03
3%
97%
Buy
Sell
$4.33 M
($130.05) M
36 Insiders
200 Insiders
78 Transactions
400 Transactions
1/25/2025 to 4/25/2025
6 Month
Buy/Sell Ratio 0.06
5%
95%
Buy
Sell
$13.16 M
($229.80) M
59 Insiders
278 Insiders
153 Transactions
666 Transactions
10/25/2024 to 4/25/2025
12 Month
Buy/Sell Ratio 0.06
5%
95%
Buy
Sell
$25.84 M
($443.56) M
112 Insiders
381 Insiders
328 Transactions
1130 Transactions
4/25/2024 to 4/25/2025
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
Treace John T.
Treace Medical Concepts, Inc.
$4,258,954
8
Rothe Christian E
Rockwell Automation, Inc
$2,000,904
2
Essig Stuart
Integra Lifesciences Holdings Corp
$1,499,979
1
Lisi Steven A.
Beyond Air, Inc.
$801,642
3
Shaw Thomas J
Retractable Technologies Inc
$705,772
78
Katz Avi S
QT IMAGING HOLDINGS, INC.
$593,684
3
Keel Paul A
Envista Holdings Corp
$506,100
1
Saunders Brent L
Bausch & Lomb Corp
$505,067
1
Hammes Eric D.
Envista Holdings Corp
$400,608
1
Most Insider Selling
12 months
Name
Value
Transactions
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
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
Boehnlein Glenn S
Stryker Corp
($9,936,516)
2
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Perspective Therapeutics, Inc.
3
7
Lakeland Industries Inc
3
3
Tela Bio, Inc.
3
3
QT IMAGING HOLDINGS, INC.
2
4
Orasure Technologies Inc
2
3
Focus Universal Inc.
2
3
Neuroone Medical Technologies Corp
2
2
Senseonics Holdings, Inc.
2
2
Envista Holdings Corp
2
2
Treace Medical Concepts, Inc.
1
8
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Irhythm Technologies, Inc.
9
23
Garmin Ltd
9
15
Itron, Inc.
8
29
Artivion, Inc.
8
18
Keysight Technologies, Inc.
8
11
Biolife Solutions Inc
7
22
Rockwell Automation, Inc
7
9
Dexcom Inc
6
28
Trane Technologies Plc
6
19
Kla Corp
6
17
Industry Summary of Insider Activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Surgical & Medical Instruments & Apparatus
0.26
$416,897
($1,595,696)
0.04
$3,091,509
($77,651,637)
0.08
$11,411,467
($145,575,265)
Electromedical & Electrotherapeutic Apparatus
0.25
$506,930
($2,021,599)
0.12
$905,240
($7,415,377)
0.04
$1,433,103
($35,228,387)
Orthopedic, Prosthetic & Surgical Appliances & Supplies
0.06
$53,260
($872,406)
0.03
$195,466
($6,735,731)
0.01
$255,405
($23,678,298)
Industrial Instruments For Measurement, Display, And Control
0.00
$0
($1,125,920)
0.01
$160,975
($14,425,938)
0.04
$1,129,543
($29,095,683)
Search, Detection, Navagation, Guidance, Aeronautical Sys
0.00
$0
($594,092)
0.00
$0
($29,337,525)
0.00
$0
($41,882,429)
Laboratory Apparatus & Furniture
0.00
$0
($328,287)
0.00
$0
($1,303,951)
0.00
$0
($1,303,951)
Instruments For Meas & Testing Of Electricity & Elec Signals
0.00
$0
($60,174)
0.00
$0
($11,536,954)
0.01
$97,847
($18,031,423)
X-Ray Apparatus & Tubes & Related Irradiation Apparatus
0.00
$0
($12,923)
0.00
$0
($925,460)
0.06
$199,143
($3,544,611)
Laboratory Analytical Instruments
--
$474
$0
2.04
$6,140,243
($3,012,593)
0.62
$6,484,043
($10,515,511)
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
($5,069,432)
0.00
$0
($5,294,317)
Optical Instruments & Lenses
--
$0
$0
0.01
$103,349
($15,393,716)
0.00
$175,309
($66,759,890)
Measuring & Controlling Devices, Nec
--
$0
$0
0.06
$2,000,904
($35,839,326)
0.06
$2,380,651
($40,309,957)
Dental Equipment & Supplies
--
$0
$0
--
$200,341
$0
230.08
$1,107,049
($4,812)
Ophthalmic Goods
--
$0
$0
0.00
$0
($167,332)
1.31
$806,107
($614,628)
Photographic Equipment & Supplies
--
$0
$0
0.00
$0
($5,414)
0.00
$0
($112,687)
Watches, Clocks, Clockwork Operated Devices/parts
--
$0
$0
--
$359,159
$0
11.07
$359,159
($32,432)