Welcome to our dedicated page for Blackline SEC filings (Ticker: BL), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
BlackLine, Inc. filings document operating results, governance matters, capital actions, and material events for a Nasdaq-listed SaaS provider of financial close and accounting automation. Its Form 8-K reports include quarterly and annual financial results, business metrics tied to subscription operations, platform updates, stock repurchase authorizations, and other corporate events.
BlackLine’s proxy and annual-meeting filings disclose board elections, director and executive compensation, security ownership, committee structure, and stockholder voting results. Additional filings record material agreements and governance changes related to stockholder engagement, including board composition, committee assignments, proxy solicitation matters, and the company’s common stock listing on the Nasdaq Global Select Market under the symbol BL.
Engaged Capital and affiliated entities have launched an activist campaign at BlackLine, Inc., stating they intend to file a preliminary proxy statement and use a BLUE universal proxy card to seek election of their own slate of director nominees at the Company’s 2026 annual meeting of stockholders.
The group includes Engaged Capital Flagship Master Fund, LP, Engaged Capital, LLC, Engaged Capital Holdings, LLC, and several individuals led by Glenn W. Welling. Engaged Capital Flagship Master Fund directly beneficially owns 1,015,619 shares of BlackLine common stock, and related Engaged Capital entities and Mr. Welling may be deemed to share beneficial ownership of those shares, while the other named individuals currently report no beneficial ownership.
Engaged Capital and related entities have disclosed plans to run an alternative director slate at BlackLine, Inc.’s 2026 annual stockholder meeting, using a BLUE universal proxy card to solicit votes. The group includes Engaged Capital Flagship Master Fund, Engaged Capital, Engaged Capital Holdings, and individuals Glenn W. Welling, Storm Duncan, Christopher Hallenbeck, Christopher L. Young and Christopher B. Hetrick. Engaged Capital Flagship Master Fund currently beneficially owns 1,015,619 shares of BlackLine common stock, with related Engaged entities and Mr. Welling deemed to share beneficial ownership of that stake. The participants have also launched a campaign website, SaveBlackLine.com, and posted materials on X and LinkedIn, and are urging stockholders to read forthcoming proxy materials that will be available free through the SEC and their proxy solicitor.
Engaged Capital, LLC has filed materials indicating it plans to run a proxy campaign at BlackLine, Inc.’s 2026 annual meeting by nominating its own slate of directors and using a BLUE universal proxy card. The fund criticizes the current Board’s handling of strategic options, including what it describes as a reported rejection of a premium acquisition proposal and plans to reduce Board size, and argues that a Board reconstitution is needed so potential transactions, including a possible sale, are evaluated objectively.
Engaged Capital highlights four proposed director candidates with backgrounds in software, M&A, governance and corporate strategy: Storm Duncan, Christopher Hallenbeck, Christopher L. Young and Christopher B. Hetrick. An affiliate, Engaged Capital Flagship Master Fund, LP, directly beneficially owns 1,083,619 shares of BlackLine common stock. Engaged Capital has also launched www.SaveBlackLine.com to share further information with stockholders about its campaign.
BlackLine, Inc. (BL) reported an equity award for its Chief Technology Officer on a Form 4. On November 25, 2025, the officer acquired 1,910 shares of common stock through a restricted stock unit (RSU) grant at a price of $0 per share, bringing direct beneficial ownership to 85,583 shares after the transaction.
The filing also shows a grant of 1,910 performance-based restricted stock units (PRSUs), each tied to future performance objectives. RSUs begin vesting with 25% on the one-year anniversary of November 20, 2025, then in equal quarterly installments, subject to continued service. PRSU vesting depends on performance targets for calendar 2026 or, if not set by June 1, 2026, on scheduled vesting dates in 2027–2029, again contingent on continued service.
BlackLine, Inc. (BL) disclosed that its CEO and director received new equity awards. On November 25, 2025, the reporting person acquired 33,330 shares of common stock at a price of $0, increasing direct beneficial ownership to 247,566 shares.
The filing also reports a grant of 33,330 performance-based restricted stock units (PRSUs). The number of common shares ultimately delivered will depend on performance objectives for calendar 2026 set by the compensation committee. If performance metrics are not established by June 1, 2026, the PRSUs will vest in tranches on February 20, 2027, February 20, 2028, and February 20, 2029, subject to continued service.
BlackLine, Inc. (BL) reported an insider equity award for its Chief Legal and Administrative Officer on 11/25/2025. The officer acquired 2,860 shares of common stock at $0, bringing total beneficial ownership to 118,574 shares held directly.
The filing also reports 2,860 performance-based restricted stock units (PRSUs), each tied to BlackLine common stock. These PRSUs will vest based on performance targets for calendar 2026 to be set by the Compensation Committee. If 2026 performance metrics are not set before June 1, 2026, the PRSUs will instead vest over three dates in 2027, 2028, and 2029, all subject to continued service.
BlackLine, Inc. (BL) reported a Form 4 for its Chief Financial Officer showing automatic share withholding to cover taxes on vested restricted stock units. On 11/20/2025, several transactions coded "F" show common shares withheld at a price of $53.49 per share, which is standard for tax withholding on equity awards. After these transactions, the reporting person beneficially owned 72,825 shares of BlackLine common stock directly. These entries reflect administrative equity compensation activity rather than open-market buying or selling.
BlackLine, Inc. (BL) Chief Technology Officer reported a routine insider transaction on a Form 4. On 11/20/2025, 1,388 shares of common stock were withheld at a price of $53.49 per share to cover the reporting person's tax liability arising from the vesting of restricted stock units. After this tax withholding, the officer beneficially owns 83,673 shares of BlackLine common stock in direct ownership.
BlackLine, Inc. insider filing: A director and officer reported automatic share withholdings tied to restricted stock units. On 11/20/2025, the reporting person had 2,218 and 2,012 shares of BlackLine common stock withheld at a price of $53.49 per share to cover tax obligations upon RSU vesting. After these transactions, the individual directly owned 351,128 common shares.
In addition to the direct holdings, the filing lists sizeable indirect ownership through various family and trust entities, including the Brian and Therese Tucker Charitable Remainder Trust, the Brian and Therese Tucker Living Trust, several 2012 irrevocable trusts, and other family trusts. The filing notes that the share withholdings were solely to satisfy tax liabilities associated with RSU vesting.
BlackLine, Inc. (BL) reported a Form 4 filing for its Chief Accounting Officer. On 11/20/2025, the officer had multiple small dispositions of common stock totaling several hundred shares, at a reported price of $53.49 per share. Individual tax-withholding transactions included 172, 143, 161, and 265 shares, all coded as dispositions. After these transactions, the officer beneficially owned 23,089 shares directly. The company states that the shares were withheld to cover the reporting person’s tax liability arising from the vesting of restricted stock units, meaning these were administrative tax events rather than open-market sales.