Stuart Van Houten

CIK: 0002056156

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (16.7%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)3 (50.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BLACKLINE, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (6 total)

BL
BLACKLINE, INC.
Aug 20, 2026
Tax Payment(F)
Direct
1.7K shares at avg. $31.92$55K
BL
BLACKLINE, INC.
May 20, 2026
Tax Payment(F)
Direct
1.7K shares at avg. $30.84$53K
BL
BLACKLINE, INC.
Apr 1, 2026
Award(A)
Direct
47.9K shares-
BL
BLACKLINE, INC.
Feb 20, 2026
Exercise(M)
Direct
9K shares at avg. $36.15$325K
BL
BLACKLINE, INC.
Feb 20, 2026
Tax Payment(F)
Direct
7.5K shares at avg. $36.15$269K
BL
BLACKLINE, INC.
Apr 2, 2025
Award(A)
Direct
61K shares-

		Type	Shares	Price		Ownership
Aug 20, 2026	BL BLACKLINE, INC.	Tax Payment(F)	1,720	$31.92	$54,902	Direct
May 20, 2026	BL BLACKLINE, INC.	Tax Payment(F)	1,720	$30.84	$53,045	Direct
Apr 1, 2026	BL BLACKLINE, INC.	Award(A)	47,880	-	$0	Direct
Feb 20, 2026	BL BLACKLINE, INC.	Exercise(M)	8,979	$36.15	$324,591	Direct
Feb 20, 2026	BL BLACKLINE, INC.	Tax Payment(F)	7,453	$36.15	$269,426	Direct
Apr 2, 2025	BL BLACKLINE, INC.	Award(A)	61,000	-	-	Direct

1-6 of 6 transactions

About Van Houten Stuart

Van Houten Stuart (SEC CIK 0002056156) files insider reports with the SEC as Chief Commercial Officer of BLACKLINE, INC. (BL).

Signal8 holds 6 ownership filings by Van Houten Stuart (1 Form 3, 5 Form 4), filed between Feb 13, 2025 and Aug 24, 2026. Those filings report 6 transactions, from Apr 2, 2025 to Aug 20, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Van Houten Stuart's filings is in WOODLAND HILLS, CA.

Recent filings by Van Houten Stuart

Aug 20, 2026: Tax withholding of BL shares (Form 4, code F).
May 20, 2026: Tax withholding of BL shares (Form 4, code F).
Apr 1, 2026: Grant or award of BL shares (Form 4, code A).
Feb 20, 2026: Option exercise of BL shares (Form 4, code M).
Feb 20, 2026: Tax withholding of BL shares (Form 4, code F).

Other insiders filing for BLACKLINE, INC. (BL)

Villanova Patrick, Chief Financial Officer
Stalick Michelle D, Chief Accounting Officer
Tucker Therese, Director
Duan Jimmy C, Chief Customer Officer
Ung Jeremy, Chief Technology Officer
Ryan Owen, Chief Executive Officer

How to read Form 4 transaction codes