Owen Ryan - Nov 25, 2025 Form 4 Insider Report for BLACKLINE, INC. (BL)

Role: CEO, Director
Signature: /s/ Karole Morgan-Prager, Attorney-in-Fact
Stock symbol: BL
Transactions as of: Nov 25, 2025
Transactions value $: $0
Form type: 4
Date filed: 11/26/2025, 04:07 PM
Previous filing: Nov 24, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ryan Owen	CEO, Director	21300 VICTORY BLVD., 12TH FLOOR, WOODLAND HILLS	/s/ Karole Morgan-Prager, Attorney-in-Fact	2025-11-26	0001748906

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	BL	Common Stock	Award	$0	+33.3K	+15.56%	$0.00	248K	Nov 25, 2025	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	BL	Performance-Based Restricted Stock Units	Award	$0	+33.3K		$0.00	33.3K	Nov 25, 2025	Common Stock			Direct	F2

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

Explanation of Responses:

Id	Content
F1	Each share is represented by a Restricted Stock Unit ("RSU"). 25% of the RSUs will vest on the one (1) year anniversary of November 20, 2025 (the "RSU Vesting Commencement Date"), and 1/16th of the RSUs will vest every three months thereafter on the same day of the month as the RSU Vesting Commencement Date, subject to the Reporting Person's continued service through each applicable vesting date.
F2	Each Performance-Based Restricted Stock Unit ("PRSU") represents the right to receive a number of shares of the Issuer's common stock to be determined based on the achievement of certain performance objectives. The PRSUs will vest based on the targets that will be established by the Compensation Committee of the Board of Directors of the Issuer for performance-based annual equity grants for the Issuer's executives for calendar 2026; provided, however, that if performance metrics are not established for the PRSU grants for the Issuer's executives for calendar 2026 prior to June 1, 2026, 1/6th of the PRSUs will vest on each of February 20, 2027 and February 20, 2028, with the remaining PRSUs to vest on February 20, 2029, subject to the Reporting Person's continued service through each applicable vesting date.

Content

Each share is represented by a Restricted Stock Unit ("RSU"). 25% of the RSUs will vest on the one (1) year anniversary of November 20, 2025 (the "RSU Vesting Commencement Date"), and 1/16th of the RSUs will vest every three months thereafter on the same day of the month as the RSU Vesting Commencement Date, subject to the Reporting Person's continued service through each applicable vesting date.

Each Performance-Based Restricted Stock Unit ("PRSU") represents the right to receive a number of shares of the Issuer's common stock to be determined based on the achievement of certain performance objectives. The PRSUs will vest based on the targets that will be established by the Compensation Committee of the Board of Directors of the Issuer for performance-based annual equity grants for the Issuer's executives for calendar 2026; provided, however, that if performance metrics are not established for the PRSU grants for the Issuer's executives for calendar 2026 prior to June 1, 2026, 1/6th of the PRSUs will vest on each of February 20, 2027 and February 20, 2028, with the remaining PRSUs to vest on February 20, 2029, subject to the Reporting Person's continued service through each applicable vesting date.