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Stephen E. MacAdam Insider Profile

18 Followers
Stephen E. MacAdam, Director at Atmus Filtration Technologies, Inc., holds 40.59K shares in Atmus Filtration Technologies, Inc. (Ticker: ATMU), holds 30.44K shares in Sleep Number (Ticker: SNBRQ), holds 43.08K shares in Louisiana-Pacific (Ticker: LPX). Most recently, Stephen E. MacAdam Bought ― shares of Atmus Filtration Technologies, Inc. on Aug 13, 2026 for an estimated value of $99.54K.
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Stephen E. MacAdam

Stephen E. MacAdam
Atmus Filtration Technologies, Inc. (ATMU)
Director

Ranked #2,500 out of 108,921 Corporate Insiders

Profitable Transactions

55%
12 out of 22 Profitable Transactions

Average Return

+33.00%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$76M
92.94%
3.86%
2.58%
0.62%
<0.01% Others
A breakdown of Stephen E. MacAdam's holdings
See the Top Stocks by Insiders

Insider Roles

Enpro
(NPO)
Director
Louisiana-Pacific
(LPX)
Director
Atmus Filtration Technologies, Inc.
(ATMU)
Director
Valvoline
(VVV)
Director
+1 other positions
Roles that Stephen E. MacAdam holds in companies
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Most Profitable Insider Trade

Stock:
Louisiana-Pacific
(LPX)
Rating:Informative Buy
Date:May 08, 2020 - May 08, 2021
Return:+238.90%
The most profitable trade made by Stephen E. MacAdam
See the Latest Stocks Traded by Insiders

Stephen E. MacAdam's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
ATMU
Atmus Filtration Technologies, Inc.
Aug 13, 2026
Director
Informative Buy
99.54K
$1.96M
SNBRQ
Sleep Number
Jun 15, 2026
Director
Uninformative Sell
41.83K
$486.99
NPO
Enpro
Feb 18, 2020
Director
Uninformative Buy
634.80K
$70.69M
VVV
Valvoline
Jan 26, 2023
Director
Uninformative Buy
134.80K
$474.11K
LPX
Louisiana-Pacific
May 11, 2026
Director
Uninformative Buy
―
$2.94M
VRTV
Veritiv
Nov 30, 2023
―
Uninformative Sell
1.12M
$0.00
AXLL
Axiall Corp
May 22, 2013
―
Uninformative Buy
―
$521.24K
List of latest transactions for each holding click on a transaction to see Stephen E. MacAdam's performance on stock
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Stephen E. MacAdam insider profile FAQ

What is the percentage of profitable transactions made by Stephen E. MacAdam?
The percentage of profitable transactions made by Stephen E. MacAdam is 55%.
    What is the average return per transaction made by Stephen E. MacAdam?
    The average return per transaction made by Stephen E. MacAdam is 33.00%.
      What stocks does Stephen E. MacAdam hold?
      Stephen E. MacAdam holds: ATMU, SNBRQ, NPO, VVV, LPX, VRTV, AXLL stocks.
        What was Stephen E. MacAdam’s latest transaction?
        Stephen E. MacAdam latest transaction was an Informative Buy of $99.54K.
          What was Stephen E. MacAdam's most profitable transaction?
          Stephen E. MacAdam’s most profitable transaction was an Informative Buy of LPX stock on May 8, 2020. The return on the trade was 238.90%.
            What is Stephen E. MacAdam's role in Atmus Filtration Technologies, Inc.?
            Stephen E. MacAdam's role in Atmus Filtration Technologies, Inc. is Director.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.