UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) March 12, 2019

BlackLine, Inc.

(Exact name of Registrant as specified in its charter)

21300 Victory Boulevard, 12th Floor

Woodland Hills, CA 91367

(Address of principal executive offices, including zip code)

(818) 223-9008

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

Emerging growth company  ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Item 5.02. Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On March 12, 2019, the Board of Directors (the “Board”) of BlackLine, Inc. (“BlackLine” or the “Company”) appointed Mika Yamamoto to serve as a member of the Board, effective April 1, 2019. Ms. Yamamoto will serve in the class of directors whose term expires at the annual meeting of stockholders to be held in 2019. Ms. Yamamoto will also join the Compensation Committee of the Board (the “Compensation Committee”).

Ms. Yamamoto has served as Vice President/ GM of Marketo, an Adobe Company, since November 2018. Ms. Yamamoto previously served as the Global President of Marketo, Inc. from August 2018 until Adobe’s acquisition of Marketo, Inc. From June 2016 to August 2018, Ms. Yamamoto worked at SAP, an enterprise business application company, first as Chief Marketing Officer and most recently as Chief Digital Marketing Officer. Prior to joining SAP, Ms. Yamamoto worked as Head of Marketing & Merchandising at Amazon, a retail and cloud computing company, from October 2015 to May 2016. Prior to joining Amazon Ms. Yamamoto served as Growth Officer and Strategist at Drumroll from January 2013 to October 2015. Ms. Yamamoto holds a Bachelor of Commerce, Economics and Marketing from Queen’s University.

In accordance with the Company’s amended and restated Outside Director Compensation Policy, the terms of which will be described in the Company’s proxy statement for its 2019 annual meeting of stockholders, Ms. Yamamoto is entitled to cash and equity compensation for service on the Board and its Compensation Committee. Pursuant to the Outside Director Compensation, as amended in 2019, Ms. Yamamoto is entitled to $40,000 in annual cash compensation for service on the Board, $5,000 in annual cash compensation for service on the Compensation Committee, and an initial equity award with a grant date value of $185,000. Ms. Yamamoto will also enter into BlackLine’s standard form of indemnification agreement, which has been previously filed with the SEC.

There are no family relationships between Ms. Yamamoto and any director or executive officer of the Company and she has no direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Date: March 18, 2019

Exhibit 99.1

For Immediate Release

FORMER MARKETO GLOBAL PRESIDENT MIKA YAMAMOTO JOINS BLACKLINE BOARD OF DIRECTORS

Seasoned, data-driven, go-to-market software veteran to help financial

automation software company maintain and build on market-leading position

LOS ANGELES – March 18, 2019 – BlackLine, Inc. (Nasdaq: BL) announced today that Mika Yamamoto has joined the financial automation software leader’s Board of Directors, effective April 1^st, 2019. A seasoned, data-driven, go-to-market software veteran, Ms. Yamamoto will draw on her more than 20 years of marketing, channel, strategy and operations experience at leading global organizations to help BlackLine maintain its leadership position and guide the company through its next phase of growth.

“Mika has an insatiable appetite for data and an incredible talent for translating data analysis and trends into actionable customer engagement. She brings a wealth of expertise to BlackLine’s board having helped several industry leaders build their brands in sectors spanning cloud technology to blue-chip enterprise tech and even consumer-facing brick-and-mortar retail,” BlackLine CEO Therese Tucker, said. “Her experience leading the world’s frontrunner in the marketing automation space will be of tremendous value in helping us maintain our market-leading position in accounting automation.”

Yamamoto was most recently global president at marketing automation software leader Marketo. Prior to Marketo, she was the first to hold the role of CDMO (chief digital marketing officer) at SAP, where she was responsible for driving growth through digital transformation by leading the strategy and execution of the enterprise application software leader’s demand generation, marketing tools and technology, and field marketing disciplines. She also delivered segment-focused growth as CMO of SAP’s small and midsize business unit. Before SAP, Yamamoto launched the first brick-and-mortar Amazon Books store in her role as head of marketing and merchandising at Amazon. She also spent more than six years at Microsoft in a variety of channel and product management roles. The foundation of Yamamoto’s data-driven approach was firmly established during her previous tenure as research vice president at Gartner where she analyzed and forecasted trends in the technology market.

“The customer-focused culture, coupled with a market-leading product, puts BlackLine in a great position to continue to stay ahead of the pack in the financial software arena,” Yamamoto shared. “To add to this, the leadership team is an inspiring and seasoned group of individuals who are driving

material impact on the company’s growth trajectory. This is an incredible combination to be a part of which is why I’m thrilled to join the board and help drive unprecedented growth as the company continues to scale and focus its efforts.”

About BlackLine

BlackLine is a provider of cloud-based solutions that transform Finance and Accounting (F&A) by automating, centralizing and streamlining financial close operations, intercompany accounting processes and other key F&A processes for large and midsize organizations. The company is recognized by Gartner as a Leader in its 2018 Magic Quadrant for Cloud Financial Close Solutions and as a pioneer in the cloud market for enhanced financial control and automation.

Designed to complement virtually all ERP and other financial systems including SAP, Oracle and NetSuite, BlackLine increases operational efficiency, real-time visibility, control and compliance to ensure end-to-end financial close management and accounting automation from within a single, unified cloud platform. Enabling customers to move beyond outdated processes and point solutions to a Continuous Accounting model, in which real-time automation, controls and period-end tasks are embedded within day-to-day activities, BlackLine helps companies modernize accounting operations with intelligent automation, ensuring more accurate and insightful financial statements and a more efficient financial close.

More than 2,600 companies with users around the world trust BlackLine to help ensure balance sheet integrity and confidence in their financial statements. Based in Los Angeles, BlackLine also has regional headquarters in London, Singapore and Sydney. For more information, please visit www.blackline.com.

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Forward-Looking Statements

This release may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. In some cases, you can identify forward-looking statements by terminology such as “may,” “will,” “should,” “could,” “expect,” “plan,” anticipate,” “believe,” “estimate,” “predict,” “intend,” “potential,” “would,” “continue,” “ongoing” or the negative of these terms or other comparable terminology. Forward-looking statements in this release include statements regarding our growth plans and opportunities.

Any forward-looking statements contained in this press release are based upon BlackLine’s current plans, estimates and expectations and are not a representation that such plans, estimates, or expectations will be achieved. Forward-looking statements are based on information available at the time those statements are made and/or management’s good faith beliefs and assumptions as of that time with respect to future events and are subject to risks and uncertainties. If any of these risks or uncertainties materialize or if any assumptions prove incorrect, actual performance or results may differ materially from those expressed in or suggested by the forward-looking statements. These risks and uncertainties include, but are not limited to, risks related to the Company’s ability to execute on its strategies, attract new customers, enter new geographies and regions and develop, release and sell new features and solutions; and other risks and uncertainties described in the other filings we make with the Securities and Exchange Commission from time to time, including the risks described under the heading “Risk Factors” in our Annual Report on Form 10-K filed with the Securities and Exchange Commission.

Forward-looking statements should not be read as a guarantee of future performance or results, and you should not place undue reliance on such statements. Except as required by law, we do not undertake any obligation to publicly update or revise any forward-looking statement, whether as a result of new information, future developments or otherwise.

Media Contact:

Ashley Dyer

PR Director

BlackLine

818-936-7166

ashley.dyer@blackline.com