BlackLine (BL) CTO Form 4 shows 1,388 RSU shares withheld

BlackLine, Inc. (BL) Chief Technology Officer reported a routine insider transaction on a Form 4.

Rhea-AI Filing Summary

BlackLine, Inc. (BL) Chief Technology Officer reported a routine insider transaction on a Form 4. On 11/20/2025, 1,388 shares of common stock were withheld at a price of $53.49 per share to cover the reporting person's tax liability arising from the vesting of restricted stock units. After this tax withholding, the officer beneficially owns 83,673 shares of BlackLine common stock in direct ownership.

Insider Trade Summary

Exercise Price or Tax Liability: 1,388 shares

Exercise Price or Tax Liability 1 txn

Insider Ung Jeremy

Role Chief Technology Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	1,388	$53.49	$74K

Holdings After Transaction: Common Stock — 83,673 shares (Direct)

Footnotes (1)

1. F1. The reported shares were withheld to cover the Reporting Person's tax liability in connection with the vesting of restricted stock units ("RSUs").

FAQ

What insider transaction did BlackLine (BL) report on this Form 4?

A BlackLine Chief Technology Officer reported a routine tax-related transaction where 1,388 shares of common stock were withheld in connection with RSU vesting.

How many BlackLine (BL) shares were withheld for taxes in this filing?

The filing states that 1,388 shares of BlackLine common stock were withheld to cover the reporting person's tax liability upon RSU vesting.

At what price were the withheld BlackLine (BL) shares valued?

The 1,388 withheld shares of BlackLine common stock were valued at $53.49 per share.

How many BlackLine (BL) shares does the reporting person own after this transaction?

After the reported transaction, the officer beneficially owns 83,673 shares of BlackLine common stock in direct ownership.

What is the relationship of the reporting person to BlackLine (BL)?

The reporting person is an officer of BlackLine, serving as the Chief Technology Officer.

Why were the BlackLine (BL) shares withheld in this Form 4?

The filing explains that the shares were withheld to cover the reporting person's tax liability related to the vesting of restricted stock units.

Is this BlackLine (BL) Form 4 filed by a single reporting person?

Yes, the document indicates that the Form 4 is filed by one reporting person, not a group.

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Accepted by SEC EDGAR 11/24/2025 - 06:08 PM Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Ung Jeremy

(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 Technology Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/20/2025

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	11/20/2025		F		1,388(1)	D	$53.49	83,673	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

Explanation of Responses:

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

	/s/ Karole Morgan-Prager, Attorney-in-Fact	11/24/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.