INSIDER
DRIFT
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Subsector - Engineering, Accounting, Research, Management
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Services
Include option trades
Include indirect trades
Latest data: 9/9/2025 10:04:53 PM
1 Month
Buy/Sell Ratio 0.01
0%
100%
Buy
Sell
$580,172
($58.15) M
6 Insiders
35 Insiders
6 Transactions
54 Transactions
8/9/2025 to 9/9/2025
3 Month
Buy/Sell Ratio 0.01
1%
99%
Buy
Sell
$954,447
($91.98) M
10 Insiders
50 Insiders
10 Transactions
87 Transactions
6/9/2025 to 9/9/2025
6 Month
Buy/Sell Ratio 0.02
2%
98%
Buy
Sell
$2.46 M
($105.00) M
22 Insiders
76 Insiders
28 Transactions
154 Transactions
3/9/2025 to 9/9/2025
12 Month
Buy/Sell Ratio 0.03
2%
98%
Buy
Sell
$6.34 M
($228.23) M
40 Insiders
121 Insiders
52 Transactions
321 Transactions
9/9/2024 to 9/9/2025
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Foster James C
Charles River Laboratories International, Inc.
$1,002,436
1
Amble Joan Lordi
Booz Allen Hamilton Holding Corp
$516,502
3
Landman David
Inotiv, Inc.
$513,998
2
Blackley Seth
Evolent Health, Inc.
$497,577
1
Higgins John L
OmniAb, Inc.
$398,232
3
Sherman Jeffrey Scott
Neogenomics Inc
$262,426
2
Girshick Birgit
Charles River Laboratories International, Inc.
$249,250
1
Salmirs Scott B
Icf International, Inc.
$209,377
3
Debenedictis Nicholas
Mistras Group, Inc.
$198,769
3
Springstubb Brendan B
Evolent Health, Inc.
$182,800
2
Most Insider Selling
12 months
Name
Value
Transactions
Troendle August J.
Medpace Holdings, Inc.
($39,989,976)
4
Smith James C
Gartner Inc
($34,849,050)
10
Brisbin Thomas Donald
Willdan Group, Inc.
($27,590,499)
6
Hall Eugene A
Gartner Inc
($27,207,734)
2
Burwig Susan E
Medpace Holdings, Inc.
($8,176,050)
2
Roth James H
Huron Consulting Group Inc.
($6,792,143)
11
Tyagarajan N. V.
Genpact Ltd
($5,974,246)
1
Kapoor Gaurav
Aecom
($4,890,416)
1
Hussey C. Mark
Huron Consulting Group Inc.
($4,037,740)
1
Shoemaker Leslie L
Tetra Tech Inc
($3,616,025)
1
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Evolent Health, Inc.
7
8
Maxcyte, Inc.
5
5
Inotiv, Inc.
4
5
Neogenomics Inc
4
5
OmniAb, Inc.
3
4
Mistras Group, Inc.
2
4
Icf International, Inc.
2
4
Charles River Laboratories International, Inc.
2
2
Montrose Environmental Group, Inc.
2
2
Booz Allen Hamilton Holding Corp
1
3
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Gartner Inc
15
32
Huron Consulting Group Inc.
8
42
Genpact Ltd
8
14
Premier, Inc.
7
20
Lightbridge Corp
7
11
Exponent Inc
6
6
TSS, Inc.
5
28
Incyte Corp
5
17
Willdan Group, Inc.
5
10
Tetra Tech Inc
5
5
Industry Summary of Insider Activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Management Services
0.20
$99,997
($490,174)
0.04
$99,997
($2,266,199)
0.02
$1,172,008
($73,941,575)
Commercial Physical & Biological Research
0.02
$480,175
($23,791,197)
0.02
$1,122,507
($55,146,520)
0.05
$3,103,115
($60,049,021)
Engineering Services
0.00
$0
($27,389,699)
0.01
$375,369
($27,849,991)
0.01
$375,369
($40,538,889)
Management Consulting Services
0.00
$0
($6,482,403)
0.03
$429,145
($15,782,866)
0.03
$1,264,350
($47,877,160)
Engineering, Accounting, Research, Management
--
$0
$0
0.00
$0
($2,459,767)
0.00
$0
($2,459,767)
Testing Laboratories
--
$0
$0
0.70
$428,479
($609,350)
0.18
$428,479
($2,331,407)
Facilities Support Management Services
--
$0
$0
0.00
$0
($883,305)
0.00
$0
($1,036,870)