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AMERICAN SECURITIES LLC

CIK 1475483 · last filed 2026-06-05

AMERICAN SECURITIES LLC is a corporate insider who has filed 22 SEC Form 4 insider transactions across 4 companies since 2010. The most recent filing, for MWH, was dated Jun 5, 2026. Across all open-market trades the lifetime net is −$527.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $2.92B across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$2.92B

Companies

4

Total Filings

22

Lifetime Open-Market Net

-$527.73M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
MWH 10%+ Owner 82,920,401 $31.75 $2.63B $0 2 2026-06-05
BLBD 10%+ Owner 4,042,650 $71.54 $289.21M -$439.25M 1 2023-12-20
BASIC ENERGY SERVICES, INC. (BAS) Delisted 10%+ Owner 4,492,208 — — -$88.48M 16 2019-06-06
XERIUM TECHNOLOGIES INC (XRM) Delisted 10%+ Owner 2,164,338 — — $0 2 2011-01-07

Recent Filings

22 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-06-05 MWH Sell (S) −2,309,520 $0 EDGAR
2026-06-03 MWH Sell (S) −15,396,820 $0 EDGAR
2023-12-20 BLBD Sell (S) −17,500,000 -$439.25M EDGAR
2020-02-13 — Sell (S) −2,401,086 -$403.1K
2019-06-06 BASIC ENERGY SERVICES, INC. (BAS) Delisted Buy (P) +935,910 $2.32M EDGAR
2018-11-23 BASIC ENERGY SERVICES, INC. (BAS) Delisted Buy (P) +152,700 $1.05M EDGAR
2018-11-16 BASIC ENERGY SERVICES, INC. (BAS) Delisted Buy (P) +59,700 $415.6K EDGAR
2018-11-13 BASIC ENERGY SERVICES, INC. (BAS) Delisted Buy (P) +242,700 $1.73M EDGAR
2018-10-31 BASIC ENERGY SERVICES, INC. (BAS) Delisted Buy (P) +162,984 $1.21M EDGAR
2018-08-06 BASIC ENERGY SERVICES, INC. (BAS) Delisted Buy (P) +838,800 $6.33M EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.