BlackLine (NYSE: BL) CEO stock withheld to cover RSU taxes

Rhea-AI Filing Summary

BLACKLINE, INC. (BL) reported that Chief Executive Officer Ryan Owen disposed of shares solely to cover taxes on equity compensation. On 2026-08-20, a total of 6,700 shares of Common Stock were withheld in three transactions at $31.92 per share to satisfy his tax liability upon vesting of restricted stock units. These are Form 4 code F transactions for payment of tax liability by withholding securities, and the filing indicates they were not made under a Rule 10b5-1 trading plan.

Insider Trade Summary

Net Seller: 6,700 shares

Net Sell 3 txns

Insider Ryan Owen

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1	2,235	$31.92	$71K
Tax Withholding	Common Stock F1	2,027	$31.92	$65K
Tax Withholding	Common Stock F1	2,438	$31.92	$78K

Holdings After Transaction: Common Stock — 390,911 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.

Key Figures

Shares withheld for tax liability: 6,700 shares Per-share value used for withholding: $31.92 per share Number of tax-withholding transactions: 3 transactions +1 more

4 metrics

Shares withheld for tax liability 6,700 shares Common Stock withheld on 2026-08-20 to cover tax liability on RSU vesting

Per-share value used for withholding $31.92 per share Price applied to all three Common Stock withholding transactions on 2026-08-20

Number of tax-withholding transactions 3 transactions All reported as Form 4 code F dispositions of Common Stock

Code F shares (exercise price or tax liability) 6,700 shares Aggregate shares reported under exercisePriceOrTaxLiabilityShares in transaction summary

Key Terms

restricted stock units, tax liability, Form 4, Rule 10b5-1

4 terms

restricted stock units financial

"in connection with the vesting of restricted stock units."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax liability financial

"withheld to cover the Reporting Person's tax liability in connection"

Form 4 regulatory

"INSIDER FILING DATA (Form 4):"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Rule 10b5-1 regulatory

"aff_10b5_one is the filing's document-level Rule 10b5-1 checkbox"

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

FAQ

What did BL CEO Ryan Owen report in this Form 4 filing?

Ryan Owen reported that 6,700 shares of BLACKLINE, INC. Common Stock were withheld on 2026-08-20 to cover his tax liability arising from the vesting of restricted stock units, at a price of $31.92 per share, using Form 4 transaction code F.

Was Ryan Owen’s BL Form 4 transaction an open-market sale?

No. The Form 4 describes the transactions as shares withheld to cover tax liability in connection with the vesting of restricted stock units, reported under code F, which denotes payment of tax liability by delivering or withholding securities rather than a discretionary open-market sale.

How many BL shares were withheld and at what price in Ryan Owen’s Form 4?

In total, 6,700 shares of BLACKLINE, INC. Common Stock were withheld across three transactions (2,235; 2,027; and 2,438 shares) at a reported price of $31.92 per share to satisfy Ryan Owen’s tax obligations on vested restricted stock units.

What does transaction code F mean in the BL Form 4 for Ryan Owen?

Transaction code F in this BL Form 4 represents payment of tax liability by delivering or withholding securities. The footnote explains that the reported shares were withheld to cover Ryan Owen’s tax liability tied to the vesting of restricted stock units.

Were Ryan Owen’s BL Form 4 transactions under a Rule 10b5-1 plan?

No. The Rule 10b5-1 checkbox is marked such that the transactions are not affirmed as being pursuant to a Rule 10b5-1 trading plan, indicating these withholdings were reported as tax-related events rather than trades under a pre-arranged plan.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/24/2026 - 04:40 PM Accepted by SEC EDGAR 08/24/2026 - 04:40 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^*

Ryan Owen

(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
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/20/2026

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	08/20/2026		F		2,235(1)	D	$31.92	395,376	D
Common Stock	08/20/2026		F		2,027(1)	D	$31.92	393,349	D
Common Stock	08/20/2026		F		2,438(1)	D	$31.92	390,911	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.

	/s/ Karole Morgan-Prager, Attorney-in-Fact	08/24/2026
	** 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.
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)