BlackLine director granted 6,416 RSUs

Rios Brunilda reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Rios Brunilda reported acquisition or exercise transactions in this Form 4 filing.

BLACKLINE, INC. director Brunilda Rios received a grant of 6,416 shares of Common Stock in the form of restricted stock units at no cash cost. Following this award, she holds 18,115 shares directly. The RSUs vest in full on the earlier of one year from the award date or the day before BlackLine’s next annual stockholder meeting, assuming she continues serving on the board.

Insider Trade Summary

Grant/Award: 6,416 shares

Grant/Award 1 txn

Insider Rios Brunilda

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	6,416	$0.00	$0.00

Holdings After Transaction: Common Stock — 18,115 shares (Direct)

Footnotes (2)

1. F1. Reflects an automatic annual restricted stock unit ("RSU") award pursuant to the Issuer's Outside Director Compensation Policy.
2. F2. The reported securities awarded on May 7, 2026 (the "Award Date") represent RSUs which vest in full upon the earlier of the one (1) year anniversary of the Award Date or the day prior to the Issuer's next annual meeting of the stockholders and in each case subject to the Reporting Person's continued service on the Issuer's board of directors through each vesting date.

Key Figures

RSU award size: 6,416 shares Grant price: $0.00 per share Holdings after grant: 18,115 shares +1 more

4 metrics

RSU award size 6,416 shares Automatic annual restricted stock unit grant to director

Grant price $0.00 per share Equity compensation, no cash paid by director

Holdings after grant 18,115 shares Total Common Stock held directly by Brunilda Rios

Vesting schedule Earlier of 1 year or before next annual meeting Subject to continued board service after May 7, 2026 award

Key Terms

restricted stock unit, Outside Director Compensation Policy, annual meeting of the stockholders, vesting

4 terms

restricted stock unit financial

"Reflects an automatic annual restricted stock unit ("RSU") award"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Outside Director Compensation Policy financial

"automatic annual restricted stock unit ("RSU") award pursuant to the Issuer's Outside Director Compensation Policy"

annual meeting of the stockholders financial

"vest in full upon the earlier of the one (1) year anniversary of the Award Date or the day prior to the Issuer's next annual meeting of the stockholders"

vesting financial

"RSUs which vest in full upon the earlier of the one (1) year anniversary"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did BlackLine (BL) director Brunilda Rios report?

BlackLine director Brunilda Rios reported receiving 6,416 restricted stock units as an equity award. These units represent Common Stock granted as part of outside director compensation and were awarded at no cash cost, increasing her direct holdings to 18,115 shares after the transaction.

How many BlackLine (BL) shares does Brunilda Rios hold after this Form 4?

After the reported grant, Brunilda Rios holds 18,115 shares of BlackLine Common Stock directly. This total includes the 6,416 restricted stock units awarded, which convert into shares upon vesting if she continues to serve on the company’s board of directors.

What are the vesting terms of Brunilda Rios’s BlackLine (BL) RSU award?

The 6,416 BlackLine restricted stock units vest in full on the earlier of one year from the May 7, 2026 award date or the day before BlackLine’s next annual stockholder meeting, provided Brunilda Rios continues serving on the company’s board through the applicable vesting date.

Is Brunilda Rios’s BlackLine (BL) RSU grant a market purchase or compensation?

The 6,416 restricted stock units granted to Brunilda Rios are compensation, not a market purchase. They were issued at a price of $0.00 per share as an automatic annual equity award under BlackLine’s Outside Director Compensation Policy for board members.

What policy governs Brunilda Rios’s RSU award from BlackLine (BL)?

The RSU award to Brunilda Rios was made under BlackLine’s Outside Director Compensation Policy. This policy provides for automatic annual equity grants to non-employee directors, such as her 6,416 restricted stock units awarded on May 7, 2026, subject to standard vesting conditions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/08/2026 - 04:21 PM EDT 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^*

Rios Brunilda

(Last) (First) (Middle)

21300 VICTORY BLVD., 12TH FLOOR

(Street)

WOODLAND HILLS CALIFORNIA 91367

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/07/2026

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

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

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

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	05/07/2026		A(1)		6,416(2)	A	$0	18,115	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. Reflects an automatic annual restricted stock unit ("RSU") award pursuant to the Issuer's Outside Director Compensation Policy.

2. The reported securities awarded on May 7, 2026 (the "Award Date") represent RSUs which vest in full upon the earlier of the one (1) year anniversary of the Award Date or the day prior to the Issuer's next annual meeting of the stockholders and in each case subject to the Reporting Person's continued service on the Issuer's board of directors through each vesting date.

	/s/ Karole Morgan-Prager, Attorney-in-Fact	05/08/2026
	** 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.
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.
* Form 4: SEC 1474 (03-26)