BlackLine director granted 6,416 RSUs

HENSHALL DAVID J reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

HENSHALL DAVID J reported acquisition or exercise transactions in this Form 4 filing.

BLACKLINE, INC. director David J. Henshall received an automatic annual award of 6,416 restricted stock units of common stock on May 7, 2026 under the company’s Outside Director Compensation Policy. These RSUs vest in full on the earlier of one year after the Award Date or the day before the next annual stockholder meeting, subject to his continued board service. Following this grant, he directly holds 22,794 shares of BlackLine common stock.

Insider Trade Summary

Grant/Award: 6,416 shares

Grant/Award 1 txn

Insider HENSHALL DAVID J

Role Director

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

Holdings After Transaction: Common Stock — 22,794 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 grant size: 6,416 shares Shares after transaction: 22,794 shares Award Date: May 7, 2026 +1 more

4 metrics

RSU grant size 6,416 shares Automatic annual restricted stock unit award on May 7, 2026

Shares after transaction 22,794 shares Common stock directly held following the RSU grant

Award Date May 7, 2026 Grant date for the restricted stock unit award

Vesting condition Earlier of 1 year or pre–next annual meeting Full vesting subject to continued board service

Key Terms

restricted stock unit ("RSU"), Outside Director Compensation Policy, Award Date, vest in full

4 terms

restricted stock unit ("RSU") financial

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

Outside Director Compensation Policy financial

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

Award Date financial

"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"

vest in full financial

"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"

FAQ

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

What insider transaction did BlackLine (BL) report for David J. Henshall?

BlackLine reported that director David J. Henshall received an automatic annual restricted stock unit award of 6,416 shares of common stock. The grant was made on May 7, 2026 under the company’s Outside Director Compensation Policy as part of his board compensation.

How many BlackLine RSUs were granted to director David J. Henshall?

David J. Henshall was granted 6,416 restricted stock units of BlackLine common stock. This award is described as an automatic annual RSU grant under the Outside Director Compensation Policy and represents additional equity-based compensation for his service on the company’s board of directors.

What is the vesting schedule for David J. Henshall’s 6,416 BlackLine RSUs?

The 6,416 BlackLine RSUs vest in full upon the earlier of the one-year anniversary of the May 7, 2026 Award Date or the day prior to the next annual stockholder meeting, provided David J. Henshall continues serving on the board through the applicable vesting date.

How many BlackLine shares does David J. Henshall hold after this RSU award?

After the RSU award, David J. Henshall directly holds 22,794 shares of BlackLine common stock. This figure reflects his position reported immediately following the grant of 6,416 restricted stock units that were awarded as part of his outside director compensation.

Was David J. Henshall’s BlackLine RSU award an open-market stock purchase?

No, the transaction was not an open-market purchase. It is reported as a grant or award acquisition of 6,416 restricted stock units at no purchase price, made automatically under BlackLine’s Outside Director Compensation Policy rather than through buying shares in the market.

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

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Accepted by SEC EDGAR 05/08/2026 - 04:18 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^*

HENSHALL DAVID J

(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	22,794	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)