Michelle D. Stalick - 20 Aug 2026 Form 4 Insider Report for BLACKLINE, INC. (BL)

Reporting relationship: Chief Accounting Officer
Issuer ticker: BL
Reported as of: 20 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 24 Aug 2026, 16:42:05 UTC
Prior SEC filing: 02 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Karole Morgan-Prager, Attorney-in-Fact

Key filing fact

Michelle D. Stalick filed Form 4 for BLACKLINE, INC. (BL) on 24 Aug 2026.

Key facts

This page summarizes Michelle D. Stalick's Form 4 filing for BLACKLINE, INC. (BL).
4 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 24 Aug 2026, 16:42.

Change

Previous filing in this sequence was filed on 02 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001603300 Primary reporting owner

Stalick Michelle D

Relationship: Chief Accounting Officer
Address: 21300 VICTORY BLVD., 12TH FLOOR, WOODLAND HILLS
Signature: /s/ Karole Morgan-Prager, Attorney-in-Fact
Signature date: 24 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BL transaction

Common Stock

Tax liability

Transaction value
Shares: -143
Change %: -0.39%
Price: $31.92^*
Shares after: 36,220
Date: 20 Aug 2026
Ownership: Direct
Footnotes: F1

BL transaction

Common Stock

Tax liability

Transaction value
Shares: -161
Change %: -0.44%
Price: $31.92^*
Shares after: 36,059
Date: 20 Aug 2026
Ownership: Direct
Footnotes: F1

BL transaction

Common Stock

Tax liability

Transaction value
Shares: -265
Change %: -0.73%
Price: $31.92^*
Shares after: 35,794
Date: 20 Aug 2026
Ownership: Direct
Footnotes: F1

BL transaction

Common Stock

Tax liability

Transaction value
Shares: -302
Change %: -0.84%
Price: $31.92^*
Shares after: 35,492
Date: 20 Aug 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units.

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