[Form 4] BLACKLINE, INC. Insider Trading Activity

Rhea-AI Filing Summary

BlackLine, Inc. (BL) reported a Form 4 for its Chief Financial Officer showing automatic share withholding to cover taxes on vested restricted stock units. On 11/20/2025, several transactions coded "F" show common shares withheld at a price of $53.49 per share, which is standard for tax withholding on equity awards. After these transactions, the reporting person beneficially owned 72,825 shares of BlackLine common stock directly. These entries reflect administrative equity compensation activity rather than open-market buying or selling.

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^*

Villanova Patrick

(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 Financial 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		220(1)	D	$53.49	75,510	D
Common Stock	11/20/2025		F		260(1)	D	$53.49	75,250	D
Common Stock	11/20/2025		F		299(1)	D	$53.49	74,951	D
Common Stock	11/20/2025		F		2,126(1)	D	$53.49	72,825	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.

FAQ

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

The Form 4 reports that BlackLine's Chief Financial Officer had common shares withheld on 11/20/2025 to cover tax obligations arising from vesting restricted stock units.

Who is the reporting person in this BlackLine (BL) Form 4?

The reporting person is an officer of BlackLine, Inc., serving as the Chief Financial Officer, and is reporting personal equity compensation activity.

What type of transactions are reported for BlackLine (BL) on 11/20/2025?

The transactions are coded "F", indicating shares of common stock were withheld by BlackLine on 11/20/2025 to satisfy the reporting person's tax liability on vesting RSUs.

At what price were BlackLine (BL) shares withheld for taxes?

The reported common stock withholding transactions to cover tax liability were priced at $53.49 per share.

How many BlackLine (BL) shares does the CFO own after these transactions?

Following the reported withholding transactions, the Chief Financial Officer beneficially owned 72,825 shares of BlackLine common stock directly.

Were these BlackLine (BL) Form 4 transactions open-market sales?

No. The explanation states that the reported shares were withheld to cover tax liability associated with vesting restricted stock units, rather than discretionary open-market sales.