VINTZ STEPHEN A (Chief Financial Officer) sold 7.5% of their position (29.20K shares) of TENABLE HOLDINGS, INC. on the open market

Open‑market sale worth $883.2K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

VINTZ STEPHEN A

Filed: 8/26/2025ACC: 0001660280-25-000105

InsiderVINTZ STEPHEN ACIK 1345943

→

IssuerTENABLE HOLDINGS, INC.CIK 1660280

Officer· Chief Financial Officer

Since Jul 2018

-29.20K

Net shares

Net seller

$883.2K

Total sold

Open market trades

0B · 1S

Total transactions

67.33K acquired · 96.53K disposed

Non-Derivative Transactions8

Common Stock

Direct

M · Option Exercise

+1.59K

Price / share

—

Trade value

—

% of position

0.5%

8/22/2025

328.01K→329.60K

Common Stock

Direct

M · Option Exercise

+2.35K

Price / share

—

Trade value

—

% of position

0.7%

8/22/2025

329.60K→331.95K

Common Stock

Direct

M · Option Exercise

+5.09K

Price / share

—

Trade value

—

% of position

1.5%

8/22/2025

331.95K→337.04K

Common Stock

Direct

M · Option Exercise

+46.59K

Price / share

—

Trade value

—

% of position

13.8%

8/22/2025

337.04K→383.63K

Common Stock

Direct

M · Option Exercise

+4.52K

Price / share

—

Trade value

—

% of position

1.2%

8/22/2025

383.63K→388.14K

Common Stock

Direct

S · Sale

−29.20K

Price / share

$30.25

Trade value

$883.18K

% of position

7.5%

8/25/2025

388.14K→358.95K

Common Stock

Direct

M · Option Exercise

+1.88K

Price / share

—

Trade value

—

% of position

0.5%

8/25/2025

358.95K→360.83K

Common Stock

Direct

M · Option Exercise

+5.32K

Price / share

—

Trade value

—

% of position

1.5%

8/25/2025

360.83K→366.14K

Total

Net shares

+38.13K

Net value

-$883.18K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	8/22/2025	M · Option Exercise	+1.59K	—	—	0.5%	328.01K	329.60K
Common Stock Direct	8/22/2025	M · Option Exercise	+2.35K	—	—	0.7%	329.60K	331.95K
Common Stock Direct	8/22/2025	M · Option Exercise	+5.09K	—	—	1.5%	331.95K	337.04K
Common Stock Direct	8/22/2025	M · Option Exercise	+46.59K	—	—	13.8%	337.04K	383.63K
Common Stock Direct	8/22/2025	M · Option Exercise	+4.52K	—	—	1.2%	383.63K	388.14K
Common Stock Direct	8/25/2025	S · Sale	−29.20K	$30.25	$883.18K	7.5%	388.14K	358.95K
Common Stock Direct	8/25/2025	M · Option Exercise	+1.88K	—	—	0.5%	358.95K	360.83K
Common Stock Direct	8/25/2025	M · Option Exercise	+5.32K	—	—	1.5%	360.83K	366.14K
Total			+38.13K		-$883.18K

Derivative Transactions7

Performance Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.59K shares

−1.59K

Strike price

Held after

9.57K

Exercisable

—

8/22/2025

Performance Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

2.35K shares

−2.35K

Strike price

Held after

23.46K

Exercisable

—

8/22/2025

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

5.09K shares

−5.09K

Strike price

Held after

30.57K

Exercisable

—

8/22/2025

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

46.59K shares

−46.59K

Strike price

Held after

139.76K

Exercisable

—

8/22/2025

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

4.52K shares

−4.52K

Strike price

Held after

45.19K

Exercisable

—

8/22/2025

Performance Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

1.88K shares

−1.88K

Strike price

Held after

3.76K

Exercisable

—

8/25/2025

Restricted Stock Units

Direct

M · Option Exercise

Converts to

Common Stock

5.32K shares

−5.32K

Strike price

Held after

10.63K

Exercisable

—

8/25/2025

Security	Converts To	Date	Type	Shares	Exercisable	Held After
Performance Restricted Stock Units Direct	Common Stock1.59K shares	8/22/2025	M · Option Exercise	−1.59K	—	9.57K
Performance Restricted Stock Units Direct	Common Stock2.35K shares	8/22/2025	M · Option Exercise	−2.35K	—	23.46K
Restricted Stock Units Direct	Common Stock5.09K shares	8/22/2025	M · Option Exercise	−5.09K	—	30.57K
Restricted Stock Units Direct	Common Stock46.59K shares	8/22/2025	M · Option Exercise	−46.59K	—	139.76K
Restricted Stock Units Direct	Common Stock4.52K shares	8/22/2025	M · Option Exercise	−4.52K	—	45.19K
Performance Restricted Stock Units Direct	Common Stock1.88K shares	8/25/2025	M · Option Exercise	−1.88K	—	3.76K
Restricted Stock Units Direct	Common Stock5.32K shares	8/25/2025	M · Option Exercise	−5.32K	—	10.63K