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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: 8/4/2026 10:01:49 PM
1 Month
Buy/Sell Ratio 0.01
1%
99%
Buy
Sell
$650,989
($46.13) M
8 Insiders
48 Insiders
11 Transactions
69 Transactions
7/4/2026 to 8/4/2026
3 Month
Buy/Sell Ratio 0.17
14%
86%
Buy
Sell
$26.10 M
($153.26) M
80 Insiders
239 Insiders
124 Transactions
383 Transactions
5/4/2026 to 8/4/2026
6 Month
Buy/Sell Ratio 0.15
12%
88%
Buy
Sell
$54.42 M
($368.57) M
166 Insiders
391 Insiders
254 Transactions
865 Transactions
2/4/2026 to 8/4/2026
12 Month
Buy/Sell Ratio 0.10
8%
92%
Buy
Sell
$87.59 M
($917.69) M
275 Insiders
525 Insiders
496 Transactions
1508 Transactions
8/4/2025 to 8/4/2026
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Duggan Robert W
Pulse Biosciences, Inc.
$13,508,089
2
Broadwood Partners, L.P.
Staar Surgical Co
$12,266,545
3
Hunn Laurence Neil
Roper Technologies Inc
$4,522,310
1
Danner Paul K
SkyAI, Inc.
$2,564,000
1
Jain Vivek
Icu Medical Inc/De
$2,474,375
1
Blitzer Michael
Intuitive Machines, Inc.
$2,190,435
2
Stansky Michael P
TriSalus Life Sciences, Inc.
$2,024,990
2
Moll Frederic H
SS Innovations International, Inc.
$1,999,999
1
Lucchese Cynthia L
Mobia Medical, Inc.
$1,875,000
1
White Albert G Iii
Cooper Companies, Inc.
$1,491,900
2
Most Insider Selling
12 months
Name
Value
Transactions
Rales Mitchell P
Danaher Corp /De/
($225,202,193)
2
Kanders Warren B
Cadre Holdings, Inc.
($49,024,482)
1
Wallace Richard P
Kla Corp
($40,947,000)
4
Rothberg Jonathan M
Butterfly Network, Inc.
($20,765,302)
3
Warden Kathy J
Northrop Grumman Corp /De/
($20,221,469)
3
Regnery David S
Trane Technologies Plc
($18,266,088)
3
Khan Ahmad A.
Kla Corp
($16,198,254)
2
Nersesian Ronald S.
Keysight Technologies, Inc.
($14,485,230)
2
Lemaitre George W
Lemaitre Vascular Inc
($14,382,943)
3
Blackford Quentin S.
iRhythm Holdings, Inc.
($12,620,871)
4
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Bausch & Lomb Corp
9
9
Dentsply Sirona Inc.
7
8
SkyAI, Inc.
7
7
Cooper Companies, Inc.
6
8
Fossil Group, Inc.
6
8
Enovis CORP
6
6
GE HealthCare Technologies Inc.
6
6
Badger Meter Inc
5
9
TriSalus Life Sciences, Inc.
5
7
Ralliant Corp
5
6
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
MKS INC
12
33
Aehr Test Systems
12
26
Novocure Ltd
12
18
iRhythm Holdings, Inc.
11
37
Keysight Technologies, Inc.
11
22
Garmin Ltd
11
21
Alphatec Holdings, Inc.
10
33
COHERENT CORP.
9
19
Itron, Inc.
8
44
Butterfly Network, Inc.
8
26
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
0.05
$473,217
($9,634,655)
0.36
$29,935,779
($83,666,645)
0.27
$47,165,371
($177,017,218)
X-Ray Apparatus & Tubes & Related Irradiation Apparatus
0.00
$76,200
($25,716,598)
0.04
$1,398,895
($34,081,204)
0.04
$1,484,498
($35,002,441)
Instruments For Meas & Testing Of Electricity & Elec Signals
0.00
$0
($4,136,107)
0.00
$0
($43,900,572)
0.00
$44,640
($47,911,651)
Industrial Instruments For Measurement, Display, And Control
0.00
$0
($2,454,432)
0.04
$1,719,278
($45,975,628)
0.02
$7,091,189
($291,898,108)
Search, Detection, Navagation, Guidance, Aeronautical Sys
0.00
$0
($2,060,234)
0.02
$1,069,328
($45,424,759)
0.05
$3,259,762
($67,143,305)
Optical Instruments & Lenses
0.00
$0
($1,429,397)
0.00
$0
($42,846,700)
0.00
$0
($116,063,005)
Electromedical & Electrotherapeutic Apparatus
0.00
$0
($257,931)
0.08
$408,449
($5,006,432)
0.12
$2,464,982
($20,516,322)
Measuring & Controlling Devices, Nec
0.00
$0
($226,000)
0.19
$1,314,250
($6,773,606)
0.04
$1,314,250
($30,805,546)
Laboratory Analytical Instruments
0.00
$0
($155,571)
0.10
$764,664
($7,750,215)
0.19
$2,013,823
($10,568,097)
Orthopedic, Prosthetic & Surgical Appliances & Supplies
0.00
$0
($62,054)
0.13
$1,318,752
($10,468,581)
0.04
$2,618,042
($67,527,193)
Totalizing Fluid Meters & Counting Devices
--
$101,572
$0
2.19
$2,134,224
($974,752)
2.19
$2,134,224
($974,752)
Laboratory Apparatus & Furniture
--
$0
$0
--
$0
$0
0.00
$0
($982,642)
Auto Controls For Regulating Residential & Comml Environments
--
$0
$0
0.00
$0
($25,771,105)
0.00
$0
($25,771,105)
Dental Equipment & Supplies
--
$0
$0
--
$645,744
$0
0.60
$745,743
($1,239,708)
Ophthalmic Goods
--
$0
$0
4.40
$13,490,641
($3,063,114)
1.83
$15,837,213
($8,663,273)
Photographic Equipment & Supplies
--
$0
$0
0.00
$20,600
($12,865,444)
0.03
$401,050
($15,603,796)
Watches, Clocks, Clockwork Operated Devices/parts
--
$0
$0
--
$203,358
$0
--
$1,019,732
$0