INSIDER
DRIFT
Home
Latest Filings
All Sectors
Index List
Loading...
Industry - Oil & Gas Field Services, Nec
Officers
Directors
Officer & Directors
10 Percent
All
All Sectors
Mining
Oil & Gas Extraction
Include option trades
Include indirect trades
Latest data: 10/28/2026 10:01:44 PM
1 Month
Buy/Sell Ratio 0.13
11%
89%
Buy
Sell
$223,300
($1.72) M
1 Insiders
3 Insiders
1 Transactions
4 Transactions
9/28/2026 to 10/28/2026
3 Month
Buy/Sell Ratio 0.03
2%
98%
Buy
Sell
$694,051
($24.18) M
4 Insiders
17 Insiders
5 Transactions
26 Transactions
7/28/2026 to 10/28/2026
6 Month
Buy/Sell Ratio 0.06
5%
95%
Buy
Sell
$11.44 M
($182.42) M
7 Insiders
32 Insiders
11 Transactions
65 Transactions
4/28/2026 to 10/28/2026
12 Month
Buy/Sell Ratio 0.05
4%
96%
Buy
Sell
$12.20 M
($234.89) M
14 Insiders
52 Insiders
22 Transactions
130 Transactions
10/28/2025 to 10/28/2026
Monthly Buy and Sell Value
Monthly Buy/Sell Ratio
Most Insider Buying
12 months
Name
Value
Transactions
Wexford Capital Lp
Mammoth Energy Services, Inc.
$10,468,177
1
Murti Arjun N
Liberty Energy Inc.
$499,988
2
Wilks Matthew
Profrac Holding Corp.
$401,851
2
Babcock Ken
Liberty Energy Inc.
$223,300
1
Holley Jean K
Natural Gas Services Group Inc
$100,088
2
Reitz Michael Howard Jr
Waterbridge Infrastructure Llc
$99,684
1
Long Jason Thomas
Waterbridge Infrastructure Llc
$99,200
1
Stanford Geoffrey C
Klx Energy Services Holdings, Inc.
$95,200
2
Bruno Lawrence
Core Laboratories Inc. /DE/
$53,900
1
Amron Arthur H
Mammoth Energy Services, Inc.
$51,360
5
Most Insider Selling
12 months
Name
Value
Transactions
Al-Nowais Yousif Mohammed Ali Nasser
National Energy Services Reunited Corp.
($135,733,939)
12
Le Peuch Olivier
SLB LIMITED/NV
($11,978,750)
10
Miller Jeffrey Allen
Halliburton Co
($10,695,105)
2
Beckwith Van H.
Halliburton Co
($9,675,124)
4
Taylor Stephen Charles
Natural Gas Services Group Inc
($6,868,990)
11
Merad Abdellah
SLB LIMITED/NV
($5,243,400)
2
Biguet Stephane
SLB LIMITED/NV
($4,445,472)
2
Richard Mark
Halliburton Co
($4,443,200)
1
Schmitz John
Select Water Solutions, Inc.
($4,393,797)
8
Foda Sherif
National Energy Services Reunited Corp.
($3,500,000)
1
Most Unique Insiders Buying (>25K)
12 months
Name
Unique insiders
Total Trades
Waterbridge Infrastructure Llc
3
3
Liberty Energy Inc.
2
3
Klx Energy Services Holdings, Inc.
2
3
Natural Gas Services Group Inc
1
2
Profrac Holding Corp.
1
2
Mammoth Energy Services, Inc.
1
1
Core Laboratories Inc. /DE/
1
1
Most Unique Insiders Selling (>25K)
12 months
Name
Unique insiders
Total Trades
Oceaneering International Inc
13
23
Halliburton Co
10
19
SLB LIMITED/NV
7
21
Select Water Solutions, Inc.
5
14
National Energy Services Reunited Corp.
4
14
Liberty Energy Inc.
3
12
Propetro Holding Corp.
3
5
Ranger Energy Services, Inc.
2
3
Expro Group Holdings N.V.
2
2
Natural Gas Services Group Inc
1
10
Companies with activity
1 Month
6 Month
12 Month
Name
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Ratio
Buy $
Sell $
Liberty Energy Inc.
1.76
$223,300
($127,221)
0.23
$473,303
($2,059,764)
0.22
$723,288
($3,329,264)
SLB LIMITED/NV
0.00
$0
($1,329,250)
0.00
$0
($8,263,410)
0.00
$0
($23,963,513)
Oceaneering International Inc
0.00
$0
($264,971)
0.00
$0
($4,709,242)
0.00
$0
($11,297,554)
Propetro Holding Corp.
--
$0
$0
0.00
$0
($1,189,548)
0.00
$0
($1,730,527)
Halliburton Co
--
$0
$0
0.00
$0
($18,246,973)
0.00
$0
($34,915,532)
Select Water Solutions, Inc.
--
$0
$0
0.00
$0
($3,925,971)
0.00
$0
($8,319,768)
Mammoth Energy Services, Inc.
--
$0
$0
--
$10,515,636
$0
--
$10,534,536
$0
Expro Group Holdings N.V.
--
$0
$0
0.00
$0
($186,798)
0.00
$0
($186,798)
Ranger Energy Services, Inc.
--
$0
$0
0.00
$0
($1,882,181)
0.00
$0
($1,882,181)
Profrac Holding Corp.
--
$0
$0
--
$401,851
$0
--
$401,851
$0
National Energy Services Reunited Corp.
--
$0
$0
0.00
$0
($141,955,354)
0.00
$0
($141,955,354)
Core Laboratories Inc. /DE/
--
$0
$0
--
$53,900
$0
--
$53,900
$0
Klx Energy Services Holdings, Inc.
--
$0
$0
--
$0
$0
--
$122,755
$0
Natural Gas Services Group Inc
--
$0
$0
--
$0
$0
0.01
$100,088
($6,868,990)
HORNBECK OFFSHORE SERVICES, INC.
--
$0
$0
--
$0
$0
0.00
$0
($275,160)
Ncs Multistage Holdings, Inc.
--
$0
$0
--
$0
$0
0.00
$0
($165,880)
Waterbridge Infrastructure Llc
--
$0
$0
--
$0
$0
--
$263,842
$0