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Who

AMERICAN SECURITIES LLC

10% owner

Company insider

Files Form 4 as: 10% owner, SOLV Energy; 10% owner, Blue Bird; 10% owner, Basic Energy Services; 10% owner, Forbes Energy Services; 10% owner, Fairmount Santrol Holdings; 10% owner, Metaldyne Performance Group; 10% owner, Advanced Drainage Systems; 10% owner, Gentek.

Every Form 4 they filed

In numbers

Trades disclosed
45
Buys
7
Sells
16
Bought
$110.9M
Sold
$494.4M
Companies
8
Companies where not an officer
8
First trade
28 Oct 2009
Last trade
19 Aug 2026
Last filed
21 Aug 2026

Companies traded

Everywhere else they filed: board seats, 10% stakes, other companies
MWH SOLV Energy10% owner · Engineering & Construction · last 19 Aug 20260 buys · 6 sells
BLBD Blue Bird10% owner · Auto Parts & Dealers · last 21 Feb 20240 buys · 1 sell
Basic Energy Services10% owner · last 5 Jun 20195 buys · 7 sells
Forbes Energy Services10% owner · last 28 Feb 20190 buys · 0 sells
Fairmount Santrol Holdings10% owner · last 1 Jun 20180 buys · 0 sells
Metaldyne Performance Group10% owner · last 17 Dec 20140 buys · 1 sell
WMS Advanced Drainage Systems10% owner · Building Products & Timber · last 9 Dec 20140 buys · 1 sell
Gentek10% owner · last 29 Oct 20092 buys · 0 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
40Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
19 Aug 2026filed 21 Aug 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Code C—3,069,193filing
19 Aug 2026filed 21 Aug 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Sold—7,939,153filing
19 Aug 2026filed 21 Aug 2026MWH SOLV Energyoption or derivative · Engineering & ConstructionSEC FORM 4 Code C—3,069,193filing
19 Aug 2026filed 21 Aug 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Code C—3,069,193filing
19 Aug 2026filed 21 Aug 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Sold—7,939,153filing
19 Aug 2026filed 21 Aug 2026MWH SOLV Energyoption or derivative · Engineering & ConstructionSEC FORM 4 Code C—3,069,193filing
19 Aug 2026filed 21 Aug 2026MWH SOLV Energyoption or derivative · Engineering & ConstructionSEC FORM 4 Code C—3,069,193filing
19 Aug 2026filed 21 Aug 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Code C—3,069,193filing
19 Aug 2026filed 21 Aug 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Sold—7,939,153filing
4 Jun 2026filed 5 Jun 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Sold—1,154,760filing
4 Jun 2026filed 5 Jun 2026MWH SOLV Energyoption or derivative · Engineering & ConstructionSEC FORM 4 Code S—727,765filing
4 Jun 2026filed 5 Jun 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Sold—1,154,760filing
4 Jun 2026filed 5 Jun 2026MWH SOLV Energyoption or derivative · Engineering & ConstructionSEC FORM 4 Code S—727,765filing
4 Jun 2026filed 5 Jun 2026MWH SOLV Energyoption or derivative · Engineering & ConstructionSEC FORM 4 Code S—727,765filing
4 Jun 2026filed 5 Jun 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Sold—1,154,760filing
1 Jun 2026filed 3 Jun 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Sold—7,698,410filing
1 Jun 2026filed 3 Jun 2026MWH SOLV Energyoption or derivative · Engineering & ConstructionSEC FORM 4 Code S—4,851,766filing
1 Jun 2026filed 3 Jun 2026MWH SOLV Energyoption or derivative · Engineering & ConstructionSEC FORM 4 Code S—4,851,766filing
1 Jun 2026filed 3 Jun 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Sold—7,698,410filing
1 Jun 2026filed 3 Jun 2026MWH SOLV EnergyEngineering & ConstructionSEC FORM 4 Sold—7,698,410filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Industrials6
Materials1
Consumer Discretionary1
Not placed15

Buys in green, sells in red, by the company’s sector.

Related people

J. Adam AbramDirector · Director at SOLV Energy, filing Form 4 there in the last year
Laura Ellen SternDirector · Director at SOLV Energy, filing Form 4 there in the last year
William C. JacksonDirector · Director at SOLV Energy, filing Form 4 there in the last year
Steven J. LernerDirector · Director at SOLV Energy, filing Form 4 there in the last year
Nancy StefanowiczDirector · Director at SOLV Energy, filing Form 4 there in the last year
Jeffrey Scott SanfreyChief Operating Officer · Also traded BLBD in the last 90 days
SOLV Energy Management Holdings LP10% owner · Also traded MWH in the last 90 days
Daniel Mark ThauDirector · Also traded BLBD in the last 90 days