Results of Operations and Financial Condition. On August 4, 2026, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Other Events On July 31, 2026, the board of directors (the “Board”) of BlackLine, Inc. (the “Company”) approved an increase to the Company’s stock buyback program (the “Stock Buyback Program”) of an additional $100 million, for a total overall authorization to repurchase up to $600 million of the Company’s common stock. As of August 3, 2026, the Company has repurchased 7.2 million shares, or $327.8 million, under the Stock Buyback Program. Repurchases may be made from time to time through ope…

Founder and Board Member — Therese Tucker: Ms. Tucker retired from full-time employment and entered into a consulting agreement with the company.

Results of Operations and Financial Condition. On May 5, 2026, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Other Events On March 13, 2026, the board of directors (the “Board”) of BlackLine, Inc. (the “Company”) approved an increase to the Company’s stock buyback program (the “Stock Buyback Program”) of an additional $100 million, for a total overall authorization to repurchase up to $500 million of the Company’s common stock. To date, the Company has repurchased 5.3 million shares, or $270.1 million, under the Stock Buyback Program. Repurchases may be made from time to time through open market rep…

Director — Ms. Prichard and Mr. Duncan: Appointment of new directors to the board with specific committee assignments.

Entry into a Material Definitive Agreement. On March 9, 2026, BlackLine, Inc. (the “Company”) entered into a cooperation letter agreement (the “Agreement”) with Engaged Capital, LLC and certain other parties (collectively, “Engaged Capital”). Among other things, the Agreement provides that: • The Company will increase the size of the Company’s board of directors (the “Board”) to 14 directors and appoint Megan Prichard as a Class II Director, with a term expiring at the Company’s 2027 annual m…

Results of Operations and Financial Condition. On February 10, 2026, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Director — Thomas Unterman: The filing discloses a director's decision not to stand for re-election, which is a routine board composition change rather than the departure of a senior executive officer.

Results of Operations and Financial Condition. On November 6, 2025, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Other Events On September 4, 2025, the board of directors (the “Board”) of BlackLine, Inc. (the “Company”) approved an increase to the Company’s stock buyback program (the “Stock Buyback Program”) of an additional $200 million, for a total overall authorization to repurchase up to $400 million of the Company’s common stock. The Board also approved the elimination of the expiration date of the Stock Buyback Program, which was previously set to expire on March 31, 2027. To date, the Company has…

Results of Operations and Financial Condition. On August 5, 2025, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

CEO — Therese Tucker: The Co-CEO is transitioning to a Founder role while remaining on the executive team and board, with a named successor (Owen Ryan) becoming sole CEO, indicating an orderly succession rather than a loss of leadership.

Director — Gregory Hughes: The filing discloses the appointment of a new independent director to the Board and Compensation Committee, which is a routine governance event rather than an executive departure.

Director — Saranga “Sam” Balaji: The filing discloses the appointment of a new independent director to the Board and a committee, which is a routine governance event and not a departure of an executive officer.

Director — Scott Davidson: The filing discloses the appointment of a sitting director to specific board committees, which is a routine administrative action rather than a change in executive leadership.

Results of Operations and Financial Condition. On May 6, 2025, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Entry into a Material Definitive Agreement. On March 9, 2025, BlackLine, Inc. (the “Company”) entered into a cooperation letter agreement (the “Agreement”) with Scalar Gauge Fund, LP and certain other parties (collectively, “Scalar Gauge”). Among other things, the Agreement provides that: • The Company will increase the size of the Company’s board of directors (the “Board”) to 11 directors and appoint Scott Davidson as a Class I Director, with a term expiring at the Company’s 2026 annual meet…

Director — Davidson: The filing discloses the appointment of a new outside director to the board, which is a routine governance event and not an executive departure.

Director — William “Bill” Wagner: A board member is resigning effective at the next annual meeting, which is a standard departure event without indication of conflict or immediate operational impact.

Other Events On March 4, 2025, the Company announced that it is planning to reduce its global workforce by approximately 7%, or approximately 130 total positions (the “Planned Reductions”). In addition, the Company announced that it will implement a voluntary departure program to offer employees an opportunity to voluntarily resign and receive a severance package. The voluntary departures are not included in the metrics above for the Planned Reductions. All of the actions are part of ongoing…

CFO — Villanova: The filing discloses a modification to cash compensation for existing officers, which is a compensatory arrangement rather than a change in management status.

Results of Operations and Financial Condition. On February 11, 2025, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

Chief Revenue Officer — Mark Woodhams: The Chief Revenue Officer is retiring with a named successor (Stuart Van Houten) joining as Chief Commercial Officer to assume the role, indicating an orderly succession rather than a sudden loss of leadership.

on this Form 8-K, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934 (the “Exchange Act”) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any other filing under the Securities Act of 1933 or the Exchange Act, except as expressly set forth by specific reference in such a filing.