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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 0.05
4%
96%
Buy
Sell
$3.64 M
($80.65) M
33 Insiders
121 Insiders
49 Transactions
180 Transactions
3/3/2025 to 4/3/2025
3 Month
Buy/Sell Ratio 0.07
6%
94%
Buy
Sell
$21.88 M
($306.51) M
67 Insiders
265 Insiders
114 Transactions
537 Transactions
1/3/2025 to 4/3/2025
6 Month
Buy/Sell Ratio 0.10
8%
92%
Buy
Sell
$58.25 M
($611.32) M
130 Insiders
366 Insiders
250 Transactions
878 Transactions
10/3/2024 to 4/3/2025
12 Month
Buy/Sell Ratio 0.12
10%
90%
Buy
Sell
$124.93 M
($1,028.90) M
260 Insiders
516 Insiders
667 Transactions
1522 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
Casdin Partners Master Fund, L.P.
STANDARD BIOTOOLS INC.
$21,028,484
21
Moll Frederic H
SS Innovations International, Inc.
$15,001,248
4
Mirshekari Ali John
Sensata Technologies Holding Plc
$10,636,267
2
Laukien Frank H
Bruker Corp
$6,032,399
2
Adams Timothy P.
SS Innovations International, Inc.
$5,807,516
3
Williams Gregg
Vivani Medical, Inc.
$4,999,999
1
Coleman Craig E.
Universal Biosensors Inc
$4,549,756
2
Treace John T.
Treace Medical Concepts, Inc.
$4,258,954
8
Subin Neil S
Nextnav Inc.
$2,871,769
6
Duggan Robert W
Pulse Biosciences, Inc.
$2,699,413
3
Most Insider Selling
12 months
Name
Value
Transactions
Stryker Ronda E
Stryker Corp
($238,640,718)
3
Bailly R Jeffrey
Ufp Technologies Inc
($41,300,418)
13
Hoffman William
Inari Medical, Inc.
($39,798,263)
15
Kanders Warren B
Cadre Holdings, Inc.
($36,094,215)
23
Srivastava Sudhir
SS Innovations International, Inc.
($35,061,257)
11
Wallace Richard P
Kla Corp
($31,817,550)
3
Casper Marc N
Thermo Fisher Scientific Inc.
($26,759,092)
5
Desai Antal Rohit
Procept Biorobotics Corp
($26,750,926)
10
Elsesser Adam
Penumbra Inc
($25,385,701)
8
Lemaitre George W
Lemaitre Vascular Inc
($23,621,102)
8
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Treace Medical Concepts, Inc.
6
21
Perspective Therapeutics, Inc.
6
14
Lakeland Industries Inc
5
7
QT IMAGING HOLDINGS, INC.
5
7
Nexgel, Inc.
5
6
TriSalus Life Sciences, Inc.
4
10
Alphatec Holdings, Inc.
4
6
Orasure Technologies Inc
4
5
Conmed Corp
4
4
Senseonics Holdings, Inc.
3
4
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
Dexcom Inc
8
35
Biolife Solutions Inc
8
24
Boston Scientific Corp
8
16
Rockwell Automation, Inc
8
10
Resmed Inc
7
24
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)
Surgical & Medical Instruments & Apparatus
0.12
$3,129,237
($26,677,433)
0.08
$31,253,791
($378,509,585)
0.09
$53,677,260
($611,164,151)
Laboratory Analytical Instruments
0.08
$100,616
($1,325,471)
2.16
$12,170,255
($5,626,208)
2.32
$30,976,030
($13,344,978)
Electromedical & Electrotherapeutic Apparatus
0.06
$256,776
($4,356,014)
0.52
$9,484,308
($18,099,687)
0.19
$10,496,452
($55,864,714)
Instruments For Meas & Testing Of Electricity & Elec Signals
0.05
$58,796
($1,116,108)
0.01
$161,206
($12,097,385)
0.03
$705,571
($20,822,524)
Industrial Instruments For Measurement, Display, And Control
0.01
$8,850
($1,514,803)
0.01
$346,008
($25,455,856)
0.29
$12,608,056
($43,674,889)
Orthopedic, Prosthetic & Surgical Appliances & Supplies
0.00
$41,680
($11,422,836)
0.01
$536,015
($37,078,952)
0.04
$2,357,199
($63,883,878)
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
($32,409,030)
0.05
$2,871,769
($52,649,280)
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)
0.04
$2,011,942
($56,223,517)
0.04
$2,540,148
($61,511,352)
Ophthalmic Goods
0.00
$0
($180,002)
1.77
$1,114,574
($629,469)
0.89
$4,007,608
($4,509,555)
X-Ray Apparatus & Tubes & Related Irradiation Apparatus
0.00
$0
($12,923)
0.00
$0
($925,460)
0.59
$2,144,767
($3,662,403)
Dental Equipment & Supplies
--
$0
$0
--
$560,464
$0
384.17
$1,863,635
($4,851)
Photographic Equipment & Supplies
--
$0
$0
0.11
$109,230
($981,136)
0.10
$109,230
($1,088,409)
Watches, Clocks, Clockwork Operated Devices/parts
--
$0
$0
--
$359,159
$0
11.07
$359,159
($32,432)