None of the 29 investors followed here reported a position in AMPL in their latest filing.
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a AMPL trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Oct 1, 2026 | Skates SpenserChief Executive Officer | Sale at price 14.52 per share. | 70.1K | $1.02M |
| Oct 1, 2026 | Skates SpenserChief Executive Officer | — | 70.1K | — |
| Sep 9, 2026 | Skates SpenserChief Executive Officer | Sale at price 12.30 per share. | 185K | $2.28M |
| Sep 9, 2026 | Skates SpenserChief Executive Officer | — | 185K | — |
| Sep 3, 2026 | Crook Nathaniel GlennOfficer | Sale at price 12.99 per share. | 300K | $3.90M |
| Jul 1, 2026 | Schultz Erica RuliffsonDirector | Stock Award(Grant) at price 0.00 per share. | 1.7K | — |
| Jul 1, 2026 | Tzuo TienDirector | Stock Award(Grant) at price 0.00 per share. | 1.5K | — |
| Jun 11, 2026 | Wong Catherine JenDirector | Sale at price 6.79 per share. | 7.5K | $50.58K |
| Jun 8, 2026 | Whitehurst James MoonDirector | Stock Award(Grant) at price 0.00 per share. | 24.9K | — |
| Jun 8, 2026 | Gill Ronald SDirector | Stock Award(Grant) at price 0.00 per share. | 24.9K | — |
| Jun 8, 2026 | Schultz Erica RuliffsonDirector | Stock Award(Grant) at price 0.00 per share. | 24.9K | — |
| Jun 8, 2026 | Grady Patrick WDirector and Beneficial Owner of more than 10% of a Class of Security | Stock Award(Grant) at price 0.00 per share. | 24.9K | — |
| Jun 8, 2026 | Wong Catherine JenDirector | Stock Award(Grant) at price 0.00 per share. | 24.9K | — |
| May 31, 2026 | Liu CurtisChief Technology Officer | Sale at price 8.03 per share. | 22.2K | $178.18K |
| May 31, 2026 | Liu CurtisChief Technology Officer | Sale at price 8.03 per share. | 22.8K | $182.88K |
| May 3, 2026 | Liu CurtisChief Technology Officer | Sale at price 8.12 per share. | 17.6K | $142.88K |
| Apr 20, 2026 | Skates SpenserChief Executive Officer | Stock Award(Grant) at price 0.00 per share. | 1.32M | — |
| Apr 14, 2026 | Liu CurtisChief Technology Officer | Stock Award(Grant) at price 0.00 per share. | 417.8K | — |
| Apr 14, 2026 | Crook Nathaniel GlennOfficer | Stock Award(Grant) at price 0.00 per share. | 1.25M | — |
| Apr 1, 2026 | Schultz Erica RuliffsonDirector | Stock Award(Grant) at price 0.00 per share. | 1.7K | — |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -20.8 | -20.4 | -6.6 | 4.3 | 10.0 | -2.2 | 16.1 | 58.8 | -1.8 | 12.1 | +34.1% | ||
| 2025 | 15.5 | 3.4 | -19.1 | -9.8 | 34.8 | 0.1 | -1.4 | -6.5 | -6.2 | -6.3 | 2.3 | 12.6 | +9.8% |
| 2024 | 1.9 | -8.5 | -8.3 | -10.0 | -8.9 | -0.2 | -3.8 | 2.9 | 1.8 | 0.2 | 15.0 | 2.0 | −17.1% |
| 2023 | 19.0 | -8.2 | -5.8 | -8.8 | -14.2 | 12.9 | 5.3 | 0.9 | -0.9 | -13.9 | 6.9 | 19.4 | +5.3% |
| 2022 | -25.7 | -45.5 | -14.0 | -5.3 | 7.9 | -24.2 | 3.4 | 2.5 | 2.1 | 8.6 | -14.8 | -15.6 | −77.2% |
| 2021 | 36.7 | -12.5 | -18.6 | −2.6% |
Amplitude, Inc., together with its subsidiaries, provides an AI analytics platform that helps analyze customer behavior within digital products in the United States and internationally. It offers Amplitude Analytics, which provides real-time insights into user behavior; Amplitude Session Replay, a tool that offers a qualitative perspective by reconstructing user journeys; Amplitude Feature Experimentation, which enables product, data, and engineering teams to build experiments; Amplitude Web Experimentation, a solution that reduces the need for engineering support and accelerates testing; Amplitude Activation, which resolves identity conflicts, streamlines data integration, and facilitates organizations to personalize and activate campaigns and experiences; Amplitude Guides and Surveys that helps companies to deploy in-product guides, tours, and surveys using the power of behavioral insights to fuel great results; Amplitude AI Agents, accomplish specific goals, such as increasing checkout conversions or feature adoption; Amplitude MCP, is a server enables teams to analyze product data, experiments, and user behavior using conversational AI; Amplitude AI Visibility gives marketers unprecedented insights into how their brand show up; Amplitude AI Feedback, is a feedback engine that uses proprietary large language models to convert raw user input into actionable insights; and Amplitude Automated Insights, is a replicates standard analysis process, executes chained tool calls, and it searches charts and reports to investigate experiments, campaigns, and product releases. It also provides customer support related to initial implementation setup, ongoing support services, and application training. It delivers its application over the Internet as a subscription service using a software-as-a-service model. It was formerly known as Sonalight, Inc. and changed to Amplitude, Inc. in December 2014. The company was incorporated in 2011 and is based in San Francisco, California.
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