Insider Trading & Ownership of D. A. B. BROWN

Summary: The estimated net worth of D. A. B. BROWN is at least $964,673 dollars as of 03 Feb 2023. D. A. B. BROWN is the Director of Williams Industrial Services Group Inc. and owns shares of NOS4-1, Inc. stock worth about $964,673.
Signature: /s/ Charles E. Wheelock for David A. B. Brown by Power of Attorney
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Ownership of D. A. B. BROWN

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
WLMS	NOS4-1, Inc.	Director	$964,673			02 Feb 2023

Sym	Company	Class	Transaction	%	Value $	* Price $	Shares	Shares After	Date	Ownership

* An asterisk sign (*) next to the price indicates that the price is likely invalid.