Mark C. Thurmond

Director, Co-Chief Executive Officer · 1 filing · Latest: May 22, 2026

Tenable Holdings, Inc.

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
TENB	Mark C. Thurmond	Director, Co-Chief Executive Officer	May 22, 2026	Tax Withholding	$25.45	12,268	$312.2K	182,188	May 26 7:00 PM
TENB	Mark C. Thurmond	Director, Co-Chief Executive Officer	May 22, 2026	Option Exercise	$0.00	25,369	—	184,300	May 26 7:00 PM