Insider Trading & Ownership of SHEILA C. CHESTON

Location: Falls Church, VA
Summary: The estimated net worth of SHEILA C. CHESTON is at least $12,806,934 dollars as of 02 Jan 2026. SHEILA C. CHESTON is the Corp. VP & General Counsel of NORTHROP GRUMMAN CORP /DE/ and owns shares of NORTHROP GRUMMAN CORP /DE/ (NOC) stock worth about $12.67M. SHEILA C. CHESTON is the Director of Digimarc CORP and owns shares of Digimarc CORP (DMRC) stock worth about $139.8K.
Signature: /s/ George Karamanos, by power of attorney
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Ownership of SHEILA C. CHESTON

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
NOC	NORTHROP GRUMMAN CORP /DE/	Corp. VP & General Counsel	$12,667,115			21 Feb 2023
DMRC	Digimarc CORP	Director	$139,819			02 Jan 2026

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.