Owen Ryan - 20 May 2026 Form 4 Insider Report for BLACKLINE, INC. (BL)

Reporting relationship: Chief Executive Officer, Director
Issuer ticker: BL
Reported as of: 20 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 May 2026, 16:30:04 UTC
Prior SEC filing: 15 May 2026
Next SEC filing: 02 Jul 2026
Source filing: View source filing
Reporting owner signature: /s/ Karole Morgan-Prager, Attorney-in-Fact

Key filing fact

Owen Ryan filed Form 4 for BLACKLINE, INC. (BL) on 21 May 2026.

Key facts

This page summarizes Owen Ryan's Form 4 filing for BLACKLINE, INC. (BL).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 21 May 2026, 16:30.

Change

Previous filing in this sequence was filed on 15 May 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 0001748906 Primary reporting owner

Ryan Owen

Relationship: Chief Executive Officer, Director
Address: 21300 VICTORY BLVD., 12TH FLOOR, WOODLAND HILLS
Signature: /s/ Karole Morgan-Prager, Attorney-in-Fact
Signature date: 21 May 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: -2,234
Change %: -0.55%
Price: $30.84^*
Shares after: 402,076
Date: 20 May 2026
Ownership: Direct
Footnotes: F1

BL transaction

Common Stock

Tax liability

Transaction value
Shares: -2,027
Change %: -0.5%
Price: $30.84^*
Shares after: 400,049
Date: 20 May 2026
Ownership: Direct
Footnotes: F1

BL transaction

Common Stock

Tax liability

Transaction value
Shares: -2,438
Change %: -0.61%
Price: $30.84^*
Shares after: 397,611
Date: 20 May 2026
Ownership: Direct
Footnotes: F1, F2

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

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

Footnote F2

Includes 459 shares acquired on May 8, 2026, through the Issuer's Employee Stock Purchase Plan in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3(c).