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  4. [Form 4] BLACKLINE, INC. Insider Trading Activity

BlackLine (BL) director receives 6,416 RSUs in annual equity grant

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Duncan Storm reported acquisition or exercise transactions in this Form 4 filing.

BLACKLINE, INC. director Duncan Storm received an automatic annual award of 6,416 shares of common stock in the form of restricted stock units under the company’s Outside Director Compensation Policy. These RSUs vest in full on the earlier of one year from the May 7, 2026 award date or the day before the next annual stockholder meeting, subject to his continued board service. Following this grant, Storm holds 7,338 common shares directly.

Positive

  • None.

Negative

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Insider Duncan Storm
Role null
Type Security Shares Price Value
Grant/Award Common Stock 6,416 $0.00 --
Holdings After Transaction: Common Stock — 7,338 shares (Direct, null)
Footnotes (1)
  1. Reflects an automatic annual restricted stock unit ("RSU") award pursuant to the Issuer's Outside Director Compensation Policy. 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.
RSU award size 6,416 shares Automatic annual restricted stock unit grant on May 7, 2026
Post-transaction holdings 7,338 shares Common stock directly owned after the RSU award
Transaction price per share $0.0000 per share Indicates compensation grant with no purchase price
Transaction code A Grant, award, or other acquisition of non-derivative common stock
Transaction direction acquire Award increased Duncan Storm’s direct common stock position
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."
annual meeting of the stockholders regulatory
"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"
Award Date financial
"The reported securities awarded on May 7, 2026 (the "Award Date") represent RSUs which vest in full"
Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
Duncan Storm
(Last)(First)(Middle)
21300 VICTORY BLVD., 12TH FLOOR
(Street)
WOODLAND HILLS CALIFORNIA 91367-7734
(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)
XDirector10% 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)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/07/2026A(1)6,416(2)A$07,338D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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-Fact05/08/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did BlackLine (BL) director Duncan Storm report?

Duncan Storm reported an award of 6,416 BlackLine common shares as restricted stock units. The grant is part of the company’s Outside Director Compensation Policy and increases his direct holdings to 7,338 shares after the transaction.

Is the BlackLine (BL) Form 4 transaction a market purchase or sale?

The Form 4 shows a grant of 6,416 restricted stock units, not a market trade. The transaction code is A, indicating a grant or award acquisition at no purchase price, as director compensation rather than an open-market buy or sell.

When do Duncan Storm’s 6,416 BlackLine (BL) RSUs vest?

The 6,416 RSUs awarded on May 7, 2026 vest fully on the earlier of the one-year anniversary of that date or the day before BlackLine’s next annual stockholder meeting, provided Storm continues serving on the board through the vesting date.

How many BlackLine (BL) shares does Duncan Storm hold after this award?

After receiving the 6,416-share restricted stock unit award, Duncan Storm’s direct holdings total 7,338 shares of BlackLine common stock. This figure reflects his position immediately following the reported Form 4 transaction.

What is the purpose of this BlackLine (BL) RSU grant to director Duncan Storm?

The grant reflects an automatic annual restricted stock unit award made under BlackLine’s Outside Director Compensation Policy. It provides equity-based compensation to non-employee directors, aligning their interests with stockholders through time-based vesting tied to continued board service.