Company: BL
Filing Date: 2025-03-27
Form Type: DEF 14A
Source: 0001666134-25-000011
Chunk: 3

Company: BLACKLINE, INC.
Filing Date: 2025-03-27
Form: DEF 14A
Chunk 3
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00 a.m. Pacific time. You will be able to attend the virtual annual meeting, vote your shares electronically and submit your questions during the live webcast of the meeting by visiting www.virtualshareholdermeeting.com/BL2025 and entering the sixteen-digit control number located on your Notice of Internet Availability (as discussed below) or, if you received printed proxy materials, on your proxy card or voting instruction card.

Stockholders are invited to attend the annual meeting and are requested to vote on the items of business described in this proxy statement. The Notice Regarding the Internet Availability of Proxy Materials, or the Notice of Internet Availability, which contains instructions on how to access the proxy materials and our 2024 annual report, is first being sent or given on or about March 27, 2025 to all stockholders entitled to notice of and to vote at the virtual annual meeting. The proxy materials and our 2024 annual report can be accessed by following the instructions in the Notice of Internet Availability as well as online at our Investor Relations website at http://investors.blackline.com.

#### What proposals am I voting on?
You are being asked to vote on four proposals:

• the election of the four nominees for Class III director named in this proxy statement to hold office until our 2028 annual meeting of stockholders and until their respective successors are duly elected and qualified;

• the ratification of the appointment of PwC, as our independent registered public accounting firm for our fiscal year ending December 31, 2025;

• an advisory non-binding vote to approve the compensation of our named executive officers; and

• an advisory non-binding vote on the frequency of future advisory votes to approve the compensation of our named executive officers.

You will also be asked to vote on any other business as may properly come before the annual meeting or any adjournments or postponements thereof.

What other matters may be brought before the annual meeting?

As of the date of this proxy statement, we are not aware of any other matters that will be presented for consideration at the annual meeting. If any other matters are properly brought before the annual meeting, the persons named as proxies will be authorized to vote or otherwise act on those matters in accordance with their judgment.

#### How does the Board recommend that I vote?
Our Board recommends that you vote your shares:

• “ FOR ” each of the four nominees for Class III director named in this proxy statement;

• “ FOR ” the ratification of the appointment of PwC as our independent registered public accounting firm for our fiscal