Company: BL
Filing Date: 2025-03-27
Form Type: DEF 14A
Source: 0001666134-25-000011
Chunk: 94

Company: BLACKLINE, INC.
Filing Date: 2025-03-27
Form: DEF 14A
Chunk 94
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 12,364 shares of common stock held by Ms. Velastegui and (ii) 3,390 shares of common stock issuable upon the vesting of restricted stock units within 60 days of March 11, 2025.

(16) Includes 2,291 shares of common stock held by Mr. Wagner and (ii) 3,390 shares of common stock issuable upon the vesting of restricted stock units within 60 days of March 11, 2025.

(17) Includes 3,387 shares of common stock held by Dr. Whye and (ii) 3,390 shares of common stock issuable upon the vesting of restricted stock units within 60 days of March 11, 2025.

(18) Includes (i) 6,110 shares of common stock held by Ms. Yamamoto, (ii) 766 shares of common stock issuable upon the exercise of stock options exercisable within 60 days of March 11, 2025, and (iii) 3,390 shares of common stock issuable upon the vesting of restricted stock units within 60 days of March 11, 2025.

(19) Includes 797,643 shares of common stock subject to options which are exercisable within 60 days of March 11, 2025, and (ii) 27,000 shares of common stock issuable upon the vesting of restricted stock units within 60 days of March 11, 2025.

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TABLE OF CONTENTS

### RELATED-PERSON TRANSACTIONS

#### Related-Person Transactions
The following is a summary of transactions since January 1, 2024 to which we have been or will be a party, in which the amount involved exceeded or will exceed $120,000, and in which any of our executive officers, directors, nominees for director, promoters or beneficial holders of more than 5% of any class of our capital stock, or any immediate family member of, or person sharing the household with, any of these individuals or entities, had or will have a direct or indirect material interest, other than compensation arrangements which are described under the section of this proxy statement titled “ Compensation Discussion and Analysis .”

#### Stockholders’ Agreement
We are party to the Stockholders’ Agreement, which contains specific rights, obligations and agreements of our Stockholder Parties as owners of our common stock. In addition, the Stockholders’ Agreement