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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: 6/13/2025 10:04:30 PM
1 Month
Buy/Sell Ratio 0.07
6%
94%
Buy
Sell
$7.73 M
($103.82) M
40 Insiders
145 Insiders
91 Transactions
210 Transactions
5/13/2025 to 6/13/2025
3 Month
Buy/Sell Ratio 0.03
3%
97%
Buy
Sell
$16.89 M
($490.82) M
90 Insiders
243 Insiders
225 Transactions
396 Transactions
3/13/2025 to 6/13/2025
6 Month
Buy/Sell Ratio 0.05
4%
96%
Buy
Sell
$40.05 M
($799.50) M
140 Insiders
388 Insiders
333 Transactions
916 Transactions
12/13/2024 to 6/13/2025
12 Month
Buy/Sell Ratio 0.08
7%
93%
Buy
Sell
$103.72 M
($1,368.07) M
255 Insiders
534 Insiders
676 Transactions
1577 Transactions
6/13/2024 to 6/13/2025
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.
$15,771,146
14
Moll Frederic H
SS Innovations International, Inc.
$15,001,248
4
Laukien Frank H
Bruker Corp
$6,132,441
3
Adams Timothy P.
SS Innovations International, Inc.
$5,807,516
3
Williams Gregg
Vivani Medical, Inc.
$5,267,271
16
Walt David R
Quanterix Corp
$2,743,394
5
Duggan Robert W
Pulse Biosciences, Inc.
$2,699,413
3
Katz Avi S
QT IMAGING HOLDINGS, INC.
$2,153,684
4
Rothe Christian E
Rockwell Automation, Inc
$2,000,904
2
Robbins Larry
Butterfly Network, Inc.
$1,945,624
3
Most Insider Selling
12 months
Name
Value
Transactions
Stryker Ronda E
Stryker Corp
($314,032,566)
4
Rales Steven M
Danaher Corp /De/
($245,919,391)
1
Kanders Warren B
Cadre Holdings, Inc.
($52,000,965)
31
Bailly R Jeffrey
Ufp Technologies Inc
($41,300,418)
13
Desai Antal Rohit
Procept Biorobotics Corp
($36,132,279)
16
Srivastava Sudhir
SS Innovations International, Inc.
($35,061,257)
11
Hoffman William
Inari Medical, Inc.
($33,249,399)
11
Wallace Richard P
Kla Corp
($29,159,287)
3
Casper Marc N
Thermo Fisher Scientific Inc.
($26,759,092)
5
Elsesser Adam
Penumbra Inc
($22,370,967)
7
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Perspective Therapeutics, Inc.
6
10
QT IMAGING HOLDINGS, INC.
6
9
Nexgel, Inc.
5
6
Lakeland Industries Inc
5
6
TriSalus Life Sciences, Inc.
4
10
Avantor, Inc.
4
7
Alphatec Holdings, Inc.
4
6
Orasure Technologies Inc
4
5
Quanterix Corp
3
8
Eyepoint Pharmaceuticals, Inc.
3
7
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Keysight Technologies, Inc.
10
16
Itron, Inc.
9
36
Irhythm Technologies, Inc.
9
26
Artivion, Inc.
9
22
Garmin Ltd
9
13
Rockwell Automation, Inc
9
12
Dexcom Inc
8
29
Biolife Solutions Inc
8
22
Penumbra Inc
7
27
Boston Scientific Corp
7
18
Industry Summary of Insider Activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Laboratory Analytical Instruments
10.56
$3,960,099
($375,113)
2.89
$13,152,328
($4,544,857)
3.03
$31,690,735
($10,464,326)
Ophthalmic Goods
0.38
$248,072
($658,153)
0.31
$368,001
($1,171,832)
1.11
$3,179,750
($2,866,267)
Electromedical & Electrotherapeutic Apparatus
0.12
$74,262
($624,074)
0.13
$1,572,037
($11,925,352)
0.26
$10,973,638
($42,603,849)
Surgical & Medical Instruments & Apparatus
0.10
$2,553,517
($26,414,579)
0.07
$22,443,790
($323,760,935)
0.07
$43,723,008
($669,158,450)
Industrial Instruments For Measurement, Display, And Control
0.03
$401,317
($14,285,127)
0.00
$410,167
($266,989,891)
0.01
$1,843,141
($300,621,456)
Orthopedic, Prosthetic & Surgical Appliances & Supplies
0.01
$323,282
($22,558,295)
0.02
$954,551
($40,430,746)
0.03
$2,621,543
($83,881,526)
Measuring & Controlling Devices, Nec
0.01
$174,234
($12,177,725)
0.00
$174,234
($40,522,281)
0.03
$2,420,982
($73,384,043)
Search, Detection, Navagation, Guidance, Aeronautical Sys
0.00
$0
($19,844,451)
0.00
$0
($46,537,118)
0.02
$1,731,500
($72,400,440)
Photographic Equipment & Supplies
0.00
$0
($2,711,440)
0.02
$70,230
($3,333,484)
0.03
$109,230
($3,692,576)
Instruments For Meas & Testing Of Electricity & Elec Signals
0.00
$0
($2,546,827)
0.02
$280,621
($16,364,981)
0.04
$802,315
($20,069,401)
Optical Instruments & Lenses
0.00
$0
($1,622,214)
0.00
$0
($14,568,235)
0.00
$175,309
($56,196,468)
Laboratory Apparatus & Furniture
--
$0
$0
0.06
$77,247
($1,303,951)
0.06
$77,247
($1,303,951)
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
($5,336,306)
0.00
$0
($5,561,191)
Dental Equipment & Supplies
--
$0
$0
--
$249,994
$0
372.36
$1,667,155
($4,477)
X-Ray Apparatus & Tubes & Related Irradiation Apparatus
--
$0
$0
0.17
$300,760
($1,733,377)
0.55
$2,344,903
($4,259,808)
Watches, Clocks, Clockwork Operated Devices/parts
--
$0
$0
--
$0
$0
11.07
$359,159
($32,432)