Stephen Riddick - 01 Sep 2021 Form 4 Insider Report for Tenable Holdings, Inc. (TENB)

Role: General Counsel & Secretary
Signature: /s/ David Bartholomew, Attorney-in-Fact
Issuer symbol: TENB
Transactions as of: 01 Sep 2021
Transactions value $: -$204,224
Form type: 4
Filing time: 02 Sep 2021, 19:03:16 UTC
Previous filing: 24 Aug 2021
Next filing: 05 Oct 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TENB	Common Stock	Options Exercise	$117,684	+7,260	+25.29%	$16.21	35,970	01 Sep 2021	Direct
transaction	TENB	Common Stock	Sale	-$321,908	-7,260	-20.18%	$44.34	28,710	01 Sep 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	TENB	Employee Stock Option (right to buy)	Options Exercise	$0	-7,260	-9.09%	$0	72,602	01 Sep 2021	Common Stock	7,260	$16.21	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
F2	25% of the shares underlying the option vest in equal monthly installments over the twelve-month period beginning on the second anniversary of June 21, 2018, and ending on the third anniversary, with the remainder vesting monthly over the twelve-month period thereafter, subject to the reporting person's continuous service with the Issuer as of each vesting date, and subject to accelerated vesting in specified circumstances.

Content

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

25% of the shares underlying the option vest in equal monthly installments over the twelve-month period beginning on the second anniversary of June 21, 2018, and ending on the third anniversary, with the remainder vesting monthly over the twelve-month period thereafter, subject to the reporting person's continuous service with the Issuer as of each vesting date, and subject to accelerated vesting in specified circumstances.