| 2022-02-16 | -59.3% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2022-08-03 | +20.6% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2025-02-19 | +19.4% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2024-02-21 | -18.2% | news | CNN | symbol__ Stock Quote Price and Forecast - CNN |
| 2024-02-20 | -15.9% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2026-02-18 | +12.7% | earnings | Seeking Alpha | Amplitude Non-GAAP EPS of $0.04 misses by $0.01, revenue of $91.4M beats by $1.05M |
| 2026-02-18 | +12.7% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2026-02-18 | +12.7% | earnings | Yahoo Finance | Amplitude, Inc. (AMPL) Meets Q4 Earnings Estimates - Yahoo Finance |
| 2026-02-18 | +12.7% | earnings | marketscreener.com | (AMPL) Amplitude Expects 2026 Revenue Range $390M - $398M, vs. FactSet Est of $390.1M - marketscreener.com |
| 2026-02-17 | +12.6% | earnings | Seeking Alpha | Amplitude Q4 2025 Earnings Preview |
| 2025-05-08 | +12.4% | earnings | Seeking Alpha | Amplitude targets $329M-$333M revenue for FY 2025 through enterprise growth |
| 2025-05-08 | +12.4% | earnings | Seeking Alpha | Amplitude, Inc. (AMPL) Q1 2025 Earnings Call Transcript |
| 2025-05-07 | +10.9% | earnings | Seeking Alpha | Amplitude Non-GAAP EPS of $0.00 beats by $0.01, revenue of $80M beats by $0.24M |
| 2025-05-07 | +10.9% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2026-04-07 | -10.7% | analyst | The Globe and Mail | Analysts Offer Insights on Technology Companies: Silicon Motion (SIMO) and Amplitude (AMPL) - The Globe and Mail |
| 2026-04-07 | -10.7% | news | Stock Titan | Erica Schultz gets 1,678 Amplitude, Inc. (AMPL) RSUs as fees - Stock Titan |
| 2026-04-07 | -10.7% | news | Stock Titan | [SCHEDULE 13G] Amplitude, Inc. Passive Investment Disclosure (>5%) - Stock Titan |
| 2026-04-07 | -10.7% | news | Stock Titan | Director Tzuo Tien receives 1,538 RSUs at Amplitude (NASDAQ: AMPL) - Stock Titan |
| 2026-04-07 | -10.7% | news | Stock Titan | Wellington Management reports 10.71% stake in Amplitude (NASDAQ: AMPL) - Stock Titan |
| 2026-02-26 | +10.6% | news | Stock Titan | Watch Amplitude leaders at three live March tech investor talks - Stock Titan |
| 2026-04-14 | +10.4% | news | Business Wire | Amplitude Names Serial Founder Gab Menachem as CPO |
| 2022-07-01 | +9.5% | legal | SEC EDGAR | AMPL 8-K: 5.02, 7.01 (SEC Filing) |
| 2022-01-14 | -9.3% | legal | SEC EDGAR | AMPL 8-K: 5.02 (SEC Filing) |
| 2025-07-10 | -9.2% | M&A | Seeking Alpha | Amplitude acquires Kraftful to accelerate AI strategy |
| 2026-04-15 | +8.5% | earnings | Business Wire | Amplitude to Host First Quarter 2026 Earnings Webcast on May 6, 2026 |
| 2022-11-02 | -8.4% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2023-05-09 | -7.9% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2023-02-15 | -7.4% | legal | SEC EDGAR | AMPL 8-K: 2.02, 5.02 (SEC Filing) |
| 2023-04-05 | -7.2% | legal | SEC EDGAR | AMPL 8-K: 5.02 (SEC Filing) |
| 2026-02-10 | -7.2% | analyst | Seeking Alpha | Amplitude Still Has Big Operating Losses While AI Vulnerability Is High (Downgrade) |
| 2023-08-08 | +7.1% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2025-06-12 | -6.9% | legal | SEC EDGAR | AMPL 8-K: 5.02 and 5.07 (SEC Filing) |
| 2025-11-07 | +6.6% | analyst | The Globe and Mail | Analysts Offer Insights on Technology Companies: Informatica (INFA), Fidelity National Info (FIS) and Amplitude (AMPL) - The Globe and Mail |
| 2025-08-07 | -6.3% | earnings | Seeking Alpha | Amplitude outlines $335.2M–$338.2M revenue target for 2025 as platform strategy accelerates |
| 2025-08-07 | -6.3% | earnings | Seeking Alpha | Amplitude, Inc. (AMPL) Q2 2025 Earnings Call Transcript |
| 2025-11-17 | -6.3% | news | Seeking Alpha | Amplitude: Buy Before The Market Catches On To This Turnaround |
| 2021-11-09 | -5.8% | legal | SEC EDGAR | AMPL 8-K: 2.02, 5.02 (SEC Filing) |
| 2021-11-09 | -5.8% | news | StockInvest.us | AMPL Insider Trading (Amplitude, Inc. stock) - StockInvest.us |
| 2025-11-05 | +5.3% | earnings | Seeking Alpha | Amplitude Non-GAAP EPS of $0.02 beats by $0.01, revenue of $88.56M beats by $2.27M |
| 2025-11-05 | +5.3% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2025-08-21 | +5.2% | news | Seeking Alpha | Amplitude: The Case For Growth Acceleration Got Better |
| 2025-08-04 | +4.9% | news | Seeking Alpha | Amplitude: From Noise To Silence |
| 2025-11-06 | +4.8% | earnings | Seeking Alpha | Amplitude outlines $89M–$91M Q4 revenue target amid strong enterprise momentum and AI product launches |
| 2025-11-06 | +4.8% | earnings | Seeking Alpha | Amplitude, Inc. (AMPL) Q3 2025 Earnings Call Transcript |
| 2026-04-22 | -4.8% | news | PR Newswire | Mighty Capital Closes $91M Fund III, Tripling Its Size on the Strength of Six IPOs in Eight Years, Including Early Investments in Amplitude (NASDAQ: AMPL), and Groq |
| 2026-04-22 | -4.8% | analyst | MT Newswires | BofA Securities Cuts Price Target on Amplitude to $10 From $20, Maintains Buy Rating |
| 2026-04-22 | -4.8% | executive | Stock Titan | Amplitude (NASDAQ: AMPL) CEO receives 1,323,119 RSUs vesting from 2026 - Stock Titan |
| 2025-12-04 | +4.6% | news | Seeking Alpha | Amplitude, Inc. (AMPL) Presents at UBS Global Technology and AI Conference 2025 Transcript |
| 2024-05-09 | -4.1% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2026-01-22 | +3.9% | news | Stock Titan | AI analytics platform Amplitude sets Feb. 18 webcast on 2025 results - Stock Titan |
| 2026-03-04 | +3.7% | news | Seeking Alpha | Amplitude: Valuation Too Low For The Growth Profile |
| 2025-05-17 | -3.6% | M&A | Seeking Alpha | Amplitude: Expanding Long Term RPOs And Multi-Product Deals |
| 2026-03-05 | +3.5% | news | Seeking Alpha | Amplitude, Inc. (AMPL) Presents at Morgan Stanley Technology, Media & Telecom Conference 2026 Transcript |
| 2025-10-28 | -3.3% | expansion | Stock Titan | Amplitude (Nasdaq: AMPL) launches GitHub agent-to-agent integration for Copilot via MCP - Stock Titan |
| 2026-04-17 | +3.3% | news | Stock Titan | [Form 4] Amplitude, Inc. Insider Trading Activity - Stock Titan |
| 2026-04-17 | +3.3% | executive | Stock Titan | Amplitude, Inc. (AMPL) CFO awarded 431,754 RSUs vesting from 2026 - Stock Titan |
| 2026-04-17 | +3.3% | news | Stock Titan | Amplitude (NASDAQ: AMPL) CCO receives 1.25M restricted stock units in equity grants - Stock Titan |
| 2026-04-16 | +2.9% | news | StockStory | Amplitude, Cloudflare, and Tenable Shares Are Soaring, What You Need To Know |
| 2025-11-11 | +2.6% | earnings | Seeking Alpha | Amplitude, Inc. 2025 Q3 - Results - Earnings Call Presentation |
| 2026-04-21 | +2.5% | expansion | MT Newswires | Amplitude Launches AI Assistant for In-Product User Support |
| 2026-04-21 | +2.5% | news | Insider Monkey | Amplitude (AMPL) Slipped Amid Broad Software Selloff |
| 2026-04-21 | +2.5% | expansion | Business Wire | Amplitude Launches AI Assistant to Help Users Get Unstuck Inside Any Product Experience |
| 2026-04-21 | +2.5% | analyst | Insider Monkey | Piper Sandler Reiterates Overweight Rating on Amplitude (AMPL) |
| 2026-01-14 | -2.4% | M&A | Seeking Alpha | Amplitude acquires InfiniGrow |
| 2025-08-06 | +2.3% | earnings | Seeking Alpha | Amplitude Non-GAAP EPS of $0.01 in-line, revenue of $83.3M beats by $1.98M |
| 2025-08-06 | +2.3% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2024-03-21 | -2.3% | news | TipRanks | Class Action Suit against Amplitude, Inc. (AMPL) - TipRanks |
| 2025-11-04 | -2.1% | earnings | Seeking Alpha | Amplitude Q3 2025 Earnings Preview |
| 2026-03-13 | -2.1% | news | Yahoo Finance | Is Amplitude (AMPL) an Attractively Valued Stock? - Yahoo Finance |
| 2023-05-05 | +2.1% | legal | SEC EDGAR | AMPL 8-K: 5.02 (SEC Filing) |
| 2024-11-07 | -2.0% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2025-08-05 | +1.9% | earnings | Seeking Alpha | Amplitude Q2 2025 Earnings Preview |
| 2025-09-04 | +1.9% | news | Seeking Alpha | Amplitude, Inc. (AMPL) Presents At Citi's 2025 Global Technology, Media And Telecommunications Conference Transcript |
| 2026-02-19 | -1.9% | earnings | Seeking Alpha | Amplitude outlines 15% 2026 revenue growth target as AI agents drive 25% of platform queries |
| 2026-02-19 | -1.9% | earnings | Seeking Alpha | Amplitude, Inc. (AMPL) Q4 2025 Earnings Call Transcript |
| 2026-02-19 | -1.9% | earnings | Seeking Alpha | Amplitude, Inc. 2025 Q4 - Results - Earnings Call Presentation |
| 2026-03-10 | -1.8% | news | Investing.com | Liu Curtis, Amplitude CTO, sells $240k in AMPL stock - Investing.com |
| 2026-03-10 | -1.8% | news | Investing.com | Liu Curtis, Amplitude CTO, sells $265k in AMPL stock - Investing.com |
| 2025-10-29 | -1.6% | news | Stock Titan | Amplitude (NASDAQ: AMPL) unveils AI Visibility to track brand presence across AI search - Stock Titan |
| 2024-04-10 | -1.6% | legal | Schubert Jonckheer & Kolbe | Amplitude, Inc. (AMPL) Officers and Directors Face Shareholder Investigation for Possible False Statements and Insider Trading - Schubert Jonckheer & Kolbe |
| 2026-04-19 | +1.6% | news | Business Wire | Amplitude Research Reveals a Generational AI Trust Gap is Costing Australian Businesses |
| 2025-11-12 | -1.5% | news | Stock Titan | Amplitude (NASDAQ: AMPL) debuts AI Feedback, integrated with Analytics & Session Replay - Stock Titan |
| 2024-04-08 | +1.4% | news | GlobeNewswire | DEADLINE ALERT for INMD, AMPL, and NOVA: The Law Offices of - GlobeNewswire |
| 2022-05-04 | +1.3% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2024-03-05 | -1.1% | news | GlobeNewswire | AMPL STOCK NEWS: Lead Plaintiff Deadline is Approaching in - GlobeNewswire |
| 2021-09-30 | +1.0% | news | marketscreener.com | Amplitude, Inc.: Shareholders Board Members Managers and Company Profile | US03213A1043 - marketscreener.com |
| 2024-03-29 | -0.9% | news | GlobeNewswire | AMPL INVESTOR ALERT: Bronstein, Gewirtz & Grossman LLC - GlobeNewswire |
| 2026-02-24 | +0.9% | legal | SEC EDGAR | AMPL 8-K: 5.02, 7.01 (SEC Filing) |
| 2026-02-24 | +0.9% | earnings | Stock Titan | AI analytics firm Amplitude sees president depart, keeps 2026 outlook - Stock Titan |
| 2026-02-24 | +0.9% | news | Stock Titan | Amplitude (NASDAQ: AMPL) reshapes leadership as president exits, outlook held - Stock Titan |
| 2024-03-02 | -0.7% | news | GlobeNewswire | Bragar Eagel & Squire, P.C. Reminds Investors That Class - GlobeNewswire |
| 2024-08-05 | -0.6% | legal | SEC EDGAR | AMPL 8-K: 5.02, 7.01 (SEC Filing) |
| 2025-04-01 | -0.6% | legal | SEC EDGAR | AMPL 8-K: 1.01 (SEC Filing) |
| 2024-08-08 | -0.6% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2026-03-25 | +0.5% | analyst | Seeking Alpha | Amplitude: Accelerating RPO And Improving NRR Anchor This Overlooked Stock |
| 2024-02-19 | +0.3% | legal | PR Newswire | DiCello Levitt LLP Announces Investor Class Action Lawsuit Filed Against Amplitude, Inc. (NASDAQ: AMPL) and Lead Plaintiff Deadline - PR Newswire |
| 2024-02-19 | +0.3% | news | GlobeNewswire | AMPL INVESTOR NOTICE: Robbins Geller Rudman & Dowd LLP - GlobeNewswire |
| 2024-03-07 | -0.3% | news | GlobeNewswire | ROSEN, TRUSTED INVESTOR COUNSEL, Encourages Amplitude, Inc. - GlobeNewswire |
| 2025-02-25 | +0.3% | legal | SEC EDGAR | AMPL 8-K: 5.02, 7.01 (SEC Filing) |
| 2025-09-03 | -0.2% | news | Seeking Alpha | Amplitude: A Value Stock With Recovering Metrics |
| 2023-11-07 | -0.2% | legal | SEC EDGAR | AMPL 8-K: 2.02 and (SEC Filing) |
| 2024-05-24 | +0.1% | legal | SEC EDGAR | AMPL 8-K: 5.02, 7.01 (SEC Filing) |
| 2026-04-24 | — | news | Stock Titan | Amplitude (NASDAQ: AMPL) details board elections and pay vote in 2026 proxy - Stock Titan |