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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: 10/26/2026 10:01:39 PM
1 Month
Buy/Sell Ratio 0.02
1%
99%
Buy
Sell
$271,764
($16.93) M
6 Insiders
39 Insiders
7 Transactions
43 Transactions
9/26/2026 to 10/26/2026
3 Month
Buy/Sell Ratio 0.08
7%
93%
Buy
Sell
$19.11 M
($251.31) M
70 Insiders
254 Insiders
105 Transactions
410 Transactions
7/26/2026 to 10/26/2026
6 Month
Buy/Sell Ratio 0.11
10%
90%
Buy
Sell
$45.37 M
($399.02) M
132 Insiders
369 Insiders
229 Transactions
764 Transactions
4/26/2026 to 10/26/2026
12 Month
Buy/Sell Ratio 0.09
7%
93%
Buy
Sell
$88.66 M
($1,035.12) M
262 Insiders
565 Insiders
478 Transactions
1613 Transactions
10/26/2025 to 10/26/2026
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Duggan Robert W
Pulse Biosciences, Inc.
$12,999,988
1
Broadwood Partners, L.P.
Staar Surgical Co
$12,266,545
3
Mahoney Michael F
Boston Scientific Corp
$9,001,408
1
Hunn Laurence Neil
Roper Technologies Inc
$4,522,310
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
Kurzius Lawrence Erik
Cooper Companies, Inc.
$1,253,470
3
Treace John T.
Treace Medical Concepts, Inc.
$1,239,859
12
Most Insider Selling
12 months
Name
Value
Transactions
Rales Mitchell P
Danaher Corp /De/
($225,202,193)
2
Wallace Richard P
Kla Corp
($60,878,622)
5
Kanders Warren B
Cadre Holdings, Inc.
($49,024,482)
1
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
Higgins Bren D.
Kla Corp
($16,759,004)
3
Nersesian Ronald S.
Keysight Technologies, Inc.
($14,485,230)
2
Lee John Tseng-Chung
MKS INC
($13,878,142)
3
Farquhar John C.M.
Heartflow, Inc.
($12,870,262)
15
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Bausch & Lomb Corp
9
9
Fossil Group, Inc.
7
9
Dentsply Sirona Inc.
7
8
GE HealthCare Technologies Inc.
6
6
Badger Meter Inc
5
9
Boston Scientific Corp
5
9
Mobia Medical, Inc.
5
8
Cooper Companies, Inc.
5
7
TriSalus Life Sciences, Inc.
5
7
EDAP TMS SA
5
6
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Keysight Technologies, Inc.
13
27
MKS INC
12
30
Novocure Ltd
12
18
KESTRA MEDICAL TECHNOLOGIES, LTD.
11
37
iRhythm Holdings, Inc.
11
37
Aehr Test Systems
11
32
COHERENT CORP.
11
23
Garmin Ltd
11
19
Alphatec Holdings, Inc.
9
22
Itron, Inc.
8
47
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
0.06
$259,504
($4,436,137)
0.40
$37,153,186
($93,584,065)
0.25
$48,055,556
($194,310,000)
Electromedical & Electrotherapeutic Apparatus
0.00
$12,260
($5,750,320)
0.06
$953,119
($16,171,612)
0.06
$2,041,066
($31,585,366)
Instruments For Meas & Testing Of Electricity & Elec Signals
0.00
$0
($3,482,064)
0.00
$0
($41,030,557)
0.00
$44,640
($74,338,984)
Industrial Instruments For Measurement, Display, And Control
0.00
$0
($1,092,390)
0.05
$1,377,153
($29,126,504)
0.03
$8,218,253
($296,896,360)
Orthopedic, Prosthetic & Surgical Appliances & Supplies
0.00
$0
($624,143)
0.08
$832,931
($10,306,997)
0.03
$1,924,266
($71,161,113)
Measuring & Controlling Devices, Nec
0.00
$0
($600,000)
0.11
$312,000
($2,953,871)
0.11
$1,626,250
($14,614,566)
X-Ray Apparatus & Tubes & Related Irradiation Apparatus
0.00
$0
($447,063)
0.05
$1,444,195
($31,622,712)
0.04
$1,444,195
($37,191,086)
Ophthalmic Goods
0.00
$0
($415,500)
0.50
$1,338,469
($2,703,201)
2.45
$16,059,499
($6,560,108)
Laboratory Analytical Instruments
0.00
$0
($78,210)
0.00
$82,553
($22,343,411)
0.07
$1,913,704
($28,504,884)
Search, Detection, Navagation, Guidance, Aeronautical Sys
--
$0
$0
0.04
$1,069,328
($26,458,953)
0.04
$3,259,762
($78,121,036)
Laboratory Apparatus & Furniture
--
$0
$0
--
$0
$0
0.00
$0
($293,168)
Auto Controls For Regulating Residential & Comml Environments
--
$0
$0
0.00
$0
($68,479)
0.00
$0
($25,839,584)
Totalizing Fluid Meters & Counting Devices
--
$0
$0
--
$101,572
$0
2.19
$2,134,224
($974,752)
Optical Instruments & Lenses
--
$0
$0
0.00
$29,896
($116,663,312)
0.00
$79,896
($153,552,316)
Dental Equipment & Supplies
--
$0
$0
2.35
$515,999
($220,000)
0.66
$745,743
($1,135,708)
Photographic Equipment & Supplies
--
$0
$0
0.00
$20,600
($5,460,600)
0.00
$57,350
($19,733,521)
Watches, Clocks, Clockwork Operated Devices/parts
--
$0
$0
0.46
$140,951
($305,623)
3.47
$1,059,952
($305,623)