BlackLine (NASDAQ: BL) officer logs PRSU vesting and tax share withholding

Rhea-AI Filing Summary

BLACKLINE, INC. Chief Accounting Officer Michelle D. Stalick reported equity award activity tied to 2025 performance. She acquired 1,347 shares of common stock on vesting of a performance-based restricted stock unit granted on April 2, 2025. To cover tax liabilities on this vesting and other restricted stock units, 2,842 shares were withheld, leaving her with 21,594 directly owned shares.

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

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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^*

Stalick Michelle D

(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 Accounting Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/20/2026

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	02/20/2026		M		1,347(1)	A	$36.15	24,436	D
Common Stock	02/20/2026		F		2,842(2)	D	$36.15	21,594	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 relate to the portion of a Performance Based Restricted Stock Unit ("PRSU") granted on April 2, 2025 that has vested based on the Issuer's achievement of certain fiscal 2025 performance targets that were set by the Compensation Committee at the time of grant.

2. The reported shares were withheld to cover the reporting person's tax liability in connection with the vesting of PRSUs and restricted stock units.

	/s/ Karole Morgan-Prager, Attorney-in-Fact	02/24/2026
	** 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.
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FAQ

What insider transactions did BL executive Michelle Stalick report?

Michelle Stalick reported vesting-related equity transactions, not open-market trades. She acquired 1,347 BlackLine common shares from a performance-based restricted stock unit and had 2,842 shares withheld to satisfy tax obligations on those PRSUs and other restricted stock units.

Were Michelle Stalick’s BlackLine (BL) transactions open-market buys or sells?

The filing shows no open-market buys or sells. Shares were acquired through vesting of a performance-based restricted stock unit and disposed of only via share withholding to pay taxes and exercise costs, a common administrative mechanism for equity compensation.

How many BlackLine (BL) shares did Michelle Stalick acquire and dispose in this Form 4?

She acquired 1,347 common shares through an exercise or conversion of a performance-based restricted stock unit. She disposed of 2,842 shares through tax-withholding, where shares are retained by the issuer to cover the reporting person’s tax liabilities on vested awards.

What is the origin of the performance-based RSU reported by BL’s Michelle Stalick?

The performance-based restricted stock unit was granted on April 2, 2025. The reported shares relate to the portion that vested after BlackLine achieved specified fiscal 2025 performance targets set by the Compensation Committee at the time the award was granted.

How many BlackLine (BL) shares does Michelle Stalick own after these transactions?

Following the vesting and tax-withholding transactions, Michelle Stalick directly owns 21,594 shares of BlackLine common stock. This figure reflects her holdings after both the 1,347-share equity award vesting and the 2,842 shares withheld for tax liabilities.

Why were 2,842 BlackLine (BL) shares withheld from Michelle Stalick?

The 2,842 shares were withheld to cover Michelle Stalick’s tax liabilities. These obligations arose in connection with the vesting of performance-based restricted stock units and other restricted stock units, rather than from any open-market sale initiated by her.