Welcome to our dedicated page for Amplitude SEC filings (Ticker: AMPL), 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.
The Amplitude, Inc. (NASDAQ: AMPL) SEC filings page on Stock Titan provides access to the company’s official regulatory disclosures as filed with the U.S. Securities and Exchange Commission. These documents offer detailed information about Amplitude’s financial performance, operating metrics, and material events related to its digital and AI analytics business.
Amplitude files current reports on Form 8-K to announce significant developments, including quarterly financial results. For example, the company has used Form 8-K to furnish press releases covering its results for periods ended June 30 and September 30, along with commentary on metrics such as annual recurring revenue, revenue growth, non-GAAP income from operations, and free cash flow. These filings also describe how Amplitude defines and uses non-GAAP measures and operating metrics like annual recurring revenue and dollar-based net retention rate.
In addition to 8-Ks, investors can use this page to locate Amplitude’s annual reports on Form 10-K, quarterly reports on Form 10-Q, and other filings that discuss its subscription-based SaaS model, stock-based compensation, amortization of acquired intangible assets, and liquidity measures. These documents help explain how Amplitude evaluates its business and the role of non-GAAP metrics in its internal analysis.
Stock Titan enhances these filings with AI-powered summaries that highlight key points, making it easier to understand lengthy documents such as 10-Ks and 10-Qs. The platform also supports real-time updates from EDGAR, so new AMPL filings appear quickly after submission. Users can review Form 4 and related disclosures to monitor insider transactions, as well as proxy and governance filings that describe board structures and executive compensation policies.
By combining Amplitude’s raw SEC filings with AI-generated explanations, this page helps investors, analysts, and other readers interpret the company’s regulatory reporting and track how its financial profile and analytics business evolve over time.
Schultz Erica reported acquisition or exercise transactions in this Form 4 filing.
Amplitude, Inc. director Erica Schultz received a grant of 1,678 restricted stock units (RSUs) of Class A Common Stock as part of the company’s Non-Employee Director Compensation Program, in lieu of cash retainer fees. Each RSU represents one share, with issuance deferred under the program.
Following this grant, Schultz holds 116,584 Class A shares, including 16,584 RSUs. This is a routine, compensation-related equity award rather than an open-market stock purchase or sale.
Tzuo Tien reported acquisition or exercise transactions in this Form 4 filing.
Amplitude, Inc. director Tzuo Tien reported an equity compensation grant of 1,538 shares of Class A Common Stock in the form of restricted stock units. The RSUs were granted under the company’s Non-Employee Director Compensation Program in lieu of cash retainer fees and carry no purchase price.
Each RSU represents one share of Class A Common Stock, with issuance of the underlying shares deferred under the program’s terms. Following this award, Tzuo Tien directly holds 100,080 Class A shares, including 49,268 RSUs.
Amplitude, Inc. Schedule 13G shows Wellington Management entities report 11,154,556 shares, representing 10.71% of Amplitude common stock as of 03/31/2026. The filing attributes shared voting power of 6,578,413 and shared dispositive power of 11,154,556 across related Wellington entities.
Amplitude, Inc. — Wellington Management Group LLP and affiliated entities report beneficial ownership of 11,154,556 shares of Amplitude common stock, representing 10.71% of the class. The filing attributes shared voting power of 6,578,413 shares and shared dispositive power across affiliated filers as shown. The Schedule 13G lists the filing entities and describes that the shares are owned of record by clients of Wellington investment advisers; no single client is identified as holding >5%.
Amplitude Inc: The Vanguard Group filed Amendment No. 4 to a Schedule 13G/A reporting 0% beneficial ownership of Amplitude common stock following an internal realignment effective January 12, 2026. The filing states certain Vanguard subsidiaries will report holdings separately in reliance on SEC Release No. 34-39538.
The filing is signed by Ashley Grim on 03/26/2026 and lists zero shares and zero voting or dispositive power across all categories.
Amplitude, Inc. filed an initial ownership report showing that Chief Commercial Officer Nathaniel Glenn Crook directly holds 877,545 shares of the company’s Class A Common Stock. This total includes 447,890 restricted stock units, which represent share-based compensation that will generally settle in stock over time.
Amplitude, Inc. director and Chief Technology Officer Curtis Liu reported an open-market sale of 33,201 shares of Class A Common Stock at a weighted average price of $8.007 per share on March 6, 2026. The transaction was executed under a pre-arranged Rule 10b5-1 trading plan adopted on November 26, 2025, indicating it was scheduled in advance rather than timed discretionarily. After this sale, Liu directly held 603,756 shares, which the disclosure notes includes 568,585 restricted stock units. This filing shows a planned sale representing only a portion of his overall equity position while he continues to retain a substantial stake in the company.
Amplitude, Inc. director and Chief Technology Officer Curtis Liu sold 30,061 shares of Class A common stock in an open-market transaction at a weighted average price of $8.0017 per share. The sale was effected under a 10b5-1 trading plan adopted by the reporting person. After this transaction, Liu directly holds 636,957 shares, which include 568,585 restricted stock units.
Amplitude, Inc. announced that President Thomas Hansen will leave his role effective March 31, 2026. He will remain with the company in an advisory capacity through April 1, 2027 to help ensure continuity and a smooth transition, and the company states his departure is not due to any dispute or disagreement.
Nathaniel Crook, currently Chief Revenue Officer, will become Amplitude’s first Chief Commercial Officer, taking on many of Hansen’s responsibilities. At the same time, Amplitude reaffirmed its previously issued financial outlook for the first quarter and full year 2026 as described in its February 18, 2026 earnings release, signaling no change to its current guidance alongside this leadership change.