BlackLine (BL) insider reports 2,860-share stock and PRSU awards

Rhea-AI Filing Summary

BlackLine, Inc. (BL) reported an insider equity award for its Chief Legal and Administrative Officer on 11/25/2025. The officer acquired 2,860 shares of common stock at $0, bringing total beneficial ownership to 118,574 shares held directly.

The filing also reports 2,860 performance-based restricted stock units (PRSUs), each tied to BlackLine common stock. These PRSUs will vest based on performance targets for calendar 2026 to be set by the Compensation Committee. If 2026 performance metrics are not set before June 1, 2026, the PRSUs will instead vest over three dates in 2027, 2028, and 2029, all subject to continued service.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Morgan-Prager Karole

(Last) (First) (Middle)

21300 VICTORY BLVD., 12TH FLOOR

(Street)

WOODLAND HILLS CA 91367

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
BLACKLINE, INC. [ BL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CHIEF LEGAL AND ADMINISTRATIVE

3. Date of Earliest Transaction (Month/Day/Year)
11/25/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/25/2025		A		2,860(1)	A	$0	118,574	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance-Based Restricted Stock Units	(2)	11/25/2025		A		2,860		(2)	(2)	Common Stock	(2)	$0	2,860	D

Explanation of Responses:

1. 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.

2. 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.

	/s/ Karole Morgan-Prager	11/26/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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FAQ

What insider transaction did BlackLine (BL) disclose in this Form 4?

The Form 4 reports that BlackLine's Chief Legal and Administrative Officer acquired 2,860 shares of common stock at $0 on 11/25/2025, increasing direct beneficial ownership to 118,574 shares.

Who is the reporting person in the BlackLine (BL) Form 4 and what is their role?

The reporting person is an officer of BlackLine, Inc. serving as the Chief Legal and Administrative officer, and the filing is made by one reporting person.

How many performance-based RSUs were reported in the BlackLine (BL) filing?

The filing reports 2,860 performance-based restricted stock units (PRSUs), each representing the right to receive shares of BlackLine common stock based on performance objectives.

What are the vesting conditions for the performance-based RSUs at BlackLine (BL)?

The PRSUs will vest based on performance targets for calendar 2026 set by the Compensation Committee. If no metrics are set before June 1, 2026, 1/6 of the PRSUs vest on February 20, 2027 and February 20, 2028, with the remainder vesting on February 20, 2029, subject to continued service.

What are the vesting terms for the restricted stock units mentioned in the BlackLine (BL) Form 4?

Each share is represented by an RSU. 25% of the RSUs will vest on the one-year anniversary of November 20, 2025, and 1/16 of the RSUs will vest every three months thereafter on the same day, subject to continued service.

What was the price paid for the BlackLine (BL) common stock acquired in this insider transaction?

The 2,860 shares of BlackLine common stock reported in the transaction were acquired at a price of $0, reflecting an equity award rather than an open-market purchase.