BlackLine (BL) CTO granted 50,610 RSUs with multi-year vesting

Rhea-AI Filing Summary

BLACKLINE, INC. reported that Chief Technology Officer Jeremy Ung acquired 50,610 shares of Common Stock through a grant of Restricted Stock Units at no cash cost per share. Following this award, he directly owns 139,332 shares of the company’s Common Stock.

Each share in this transaction is represented by a Restricted Stock Unit. According to the vesting schedule, 25% of the RSUs will vest on the one-year anniversary of February 20, 2026, and 1/16 of the RSUs will then vest every three months, subject to his continued service.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Ung Jeremy

Role Chief Technology Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	50,610	$0.00	--

Holdings After Transaction: Common Stock — 139,332 shares (Direct)

Footnotes (1)

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Key Figures

RSUs granted: 50,610 RSUs Holdings after grant: 139,332 shares Initial vesting portion: 25% of RSUs +1 more

4 metrics

RSUs granted 50,610 RSUs Restricted Stock Units representing Common Stock granted on April 1, 2026

Holdings after grant 139,332 shares Common Stock directly owned by Jeremy Ung following the transaction

Initial vesting portion 25% of RSUs Vests on the one-year anniversary of February 20, 2026

Ongoing vesting rate 1/16 of RSUs Vests every three months after the initial vesting date

Key Terms

Restricted Stock Unit ("RSU"), RSU Vesting Commencement Date, continued service

3 terms

Restricted Stock Unit ("RSU") financial

"Each share is represented by a Restricted Stock Unit ("RSU")."

RSU Vesting Commencement Date financial

"one (1) year anniversary of February 20, 2026 (the "RSU Vesting Commencement Date")"

continued service financial

"subject to the reporting person's continued service through each applicable vesting date."

Form 4 Insider Transactions: What Each Field Means →

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^*

Ung Jeremy

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/01/2026

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	04/01/2026		A		50,610(1)	A	$0	139,332	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. Each share is represented by a Restricted Stock Unit ("RSU"). 25% of the RSUs will vest on the one (1) year anniversary of February 20, 2026 (the "RSU Vesting Commencement Date"), and 1/16th of the RSUs will vest every three months thereafter on the same day of the month as the RSU Vesting Commencement Date, subject to the reporting person's continued service through each applicable vesting date.

	/s/ Karole Morgan-Prager, Attorney-in-Fact	04/03/2026
	** 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)

FAQ

What insider transaction did BlackLine (BL) report for Jeremy Ung?

BlackLine reported that Chief Technology Officer Jeremy Ung received 50,610 shares of Common Stock through a Restricted Stock Unit grant. The award increased his directly held position to 139,332 shares, reflecting a compensation-related equity grant rather than an open-market stock purchase or sale.

How many BlackLine (BL) shares does Jeremy Ung hold after this Form 4?

After the reported grant, Jeremy Ung directly holds 139,332 shares of BlackLine Common Stock. This total includes the 50,610 shares represented by newly granted Restricted Stock Units, which will vest over time according to the disclosed vesting schedule tied to his continued service.

What is the size of the Restricted Stock Unit grant to BlackLine’s CTO?

The grant to BlackLine’s Chief Technology Officer consists of 50,610 Restricted Stock Units, each representing one share of Common Stock. The transaction price per share is reported as zero, indicating an equity award granted without a cash purchase in the open market.

How do the BlackLine (BL) RSUs granted to Jeremy Ung vest over time?

Twenty-five percent of Jeremy Ung’s Restricted Stock Units will vest on the one-year anniversary of February 20, 2026. After that initial vesting, 1/16 of the RSUs will vest every three months, provided he continues to serve through each applicable vesting date.

Is Jeremy Ung’s BlackLine (BL) Form 4 transaction a market buy or sell?

The transaction is classified as an acquisition by grant or award, not an open-market buy or sell. It reflects 50,610 shares represented by Restricted Stock Units granted at a reported per-share price of zero, subject to a multi-year vesting schedule tied to continued service.