# Amplitude, Inc.: filings

AMPL · Nasdaq · CIK 1866692 · [Technology](/sectors/technology.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/ampl.md) · [Financials](/companies/ampl/financials.md) · [Filings](/companies/ampl/filings.md) · [Insiders](/companies/ampl/insiders.md)

## Reports and events: 72 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 266, 144 56, 8-K 39, 3 29, SC 13G/A 23, 10-Q 15, SC 13G 14, SCHEDULE 13G/A 9, S-8 6, 10-K 5, DEF 14A 5, DEFA14A 5, SCHEDULE 13G 5, 5 4, ARS 4, CORRESP 4, SC 13D/A 4, DRSLTR 3, UPLOAD 3, 424B3 2, 4/A 2, DRS/A 2, EFFECT 2, FWP 2, 144/A 1, 424B4 1, 8-A12B 1, CERT 1, D 1, DRS 1, POS AM 1, PRE 14A 1, S-1 1, S-1/A 1, SC 13D 1, SCHEDULE 13D/A 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-15 | 16:31 ET | [8-K](/filings/0001193125-26-422944.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-422944 |
| 2026-08-06 | 18:12 ET | [10-Q](/filings/0001193125-26-335706.md) | Quarterly report, period 2026-06-30 | 0001193125-26-335706 |
| 2026-08-05 | 16:38 ET | [8-K](/filings/0001193125-26-335305.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-335305 |
| 2026-06-10 | 16:14 ET | [8-K](/filings/0001193125-26-265850.md) | 5.07 Shareholder vote results | 0001193125-26-265850 |
| 2026-05-07 | 18:46 ET | [10-Q](/filings/0001193125-26-209631.md) | Quarterly report, period 2026-03-31 | 0001193125-26-209631 |
| 2026-05-06 | 16:52 ET | [8-K](/filings/0001193125-26-209264.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-209264 |
| 2026-04-24 | 16:30 ET | [DEF 14A](/filings/0001140361-26-016728.md) | Proxy statement, period 2026-06-09 | 0001140361-26-016728 |
| 2026-02-24 | 16:23 ET | [8-K](/filings/0001193125-26-067137.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-067137 |
| 2026-02-19 | 21:12 ET | [10-K](/filings/0001193125-26-057847.md) | Annual report, period 2025-12-31 | 0001193125-26-057847 |
| 2026-02-18 | 16:11 ET | [8-K](/filings/0001193125-26-057052.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-057052 |
| 2025-11-06 | 19:17 ET | [10-Q](/filings/0001193125-25-267492.md) | Quarterly report, period 2025-09-30 | 0001193125-25-267492 |
| 2025-11-05 | 16:10 ET | [8-K](/filings/0001193125-25-266930.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-266930 |
| 2025-08-07 | 18:52 ET | [10-Q](/filings/0000950170-25-104357.md) | Quarterly report, period 2025-06-30 | 0000950170-25-104357 |
| 2025-08-06 | 16:09 ET | [8-K](/filings/0000950170-25-104010.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-104010 |
| 2025-06-12 | 16:20 ET | [8-K](/filings/0001193125-25-139911.md) | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results | 0001193125-25-139911 |
| 2025-05-07 | 16:07 ET | [10-Q](/filings/0000950170-25-065639.md) | Quarterly report, period 2025-03-31 | 0000950170-25-065639 |
| 2025-05-07 | 16:05 ET | [8-K](/filings/0000950170-25-065627.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-065627 |
| 2025-04-25 | 16:30 ET | [DEF 14A](/filings/0001140361-25-015778.md) | Proxy statement, period 2025-06-12 | 0001140361-25-015778 |
| 2025-04-01 | 16:01 ET | [8-K](/filings/0001193125-25-070392.md) | 1.01 Entry into a material agreement | 0001193125-25-070392 |
| 2025-02-25 | 21:23 ET | [SCHEDULE 13D/A](/filings/0000950170-25-027242.md) | Ownership report, active investor, amended | 0000950170-25-027242 |
| 2025-02-25 | 16:16 ET | [8-K](/filings/0001193125-25-035156.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-035156 |
| 2025-02-20 | 16:05 ET | [10-K](/filings/0000950170-25-024135.md) | Annual report, period 2024-12-31 | 0000950170-25-024135 |
| 2025-02-19 | 16:07 ET | [8-K](/filings/0000950170-25-023152.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-023152 |
| 2024-11-07 | 16:11 ET | [10-Q](/filings/0000950170-24-123339.md) | Quarterly report, period 2024-09-30 | 0000950170-24-123339 |
| 2024-11-07 | 16:05 ET | [8-K](/filings/0000950170-24-123275.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-123275 |
| 2024-08-08 | 16:07 ET | [10-Q](/filings/0000950170-24-093925.md) | Quarterly report, period 2024-06-30 | 0000950170-24-093925 |
| 2024-08-08 | 16:05 ET | [8-K](/filings/0000950170-24-093897.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-093897 |
| 2024-08-05 | 09:06 ET | [8-K](/filings/0001193125-24-193428.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-193428 |
| 2024-06-12 | 16:05 ET | [8-K](/filings/0001193125-24-159934.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-159934 |
| 2024-05-24 | 17:04 ET | [8-K](/filings/0001193125-24-147163.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-147163 |
| 2024-05-09 | 16:08 ET | [10-Q](/filings/0000950170-24-056922.md) | Quarterly report, period 2024-03-31 | 0000950170-24-056922 |
| 2024-05-09 | 16:05 ET | [8-K](/filings/0000950170-24-056881.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-056881 |
| 2024-04-29 | 16:35 ET | [DEF 14A](/filings/0001140361-24-023026.md) | Proxy statement, period 2024-06-11 | 0001140361-24-023026 |
| 2024-02-20 | 16:07 ET | [10-K](/filings/0000950170-24-017102.md) | Annual report, period 2023-12-31 | 0000950170-24-017102 |
| 2024-02-20 | 16:05 ET | [8-K](/filings/0000950170-24-017086.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-017086 |
| 2023-11-14 | 07:00 ET | [SC 13D/A](/filings/0001193125-23-276632.md) | Ownership report, active investor, amended | 0001193125-23-276632 |
| 2023-11-07 | 16:08 ET | [10-Q](/filings/0000950170-23-060240.md) | Quarterly report, period 2023-09-30 | 0000950170-23-060240 |
| 2023-11-07 | 16:05 ET | [8-K](/filings/0000950170-23-060222.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-060222 |
| 2023-08-08 | 16:09 ET | [10-Q](/filings/0000950170-23-039800.md) | Quarterly report, period 2023-06-30 | 0000950170-23-039800 |
| 2023-08-08 | 16:07 ET | [8-K](/filings/0000950170-23-039789.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-039789 |
| 2023-06-09 | 16:05 ET | [8-K](/filings/0001193125-23-164442.md) | 5.07 Shareholder vote results | 0001193125-23-164442 |
| 2023-05-10 | 16:06 ET | [10-Q](/filings/0000950170-23-020495.md) | Quarterly report, period 2023-03-31 | 0000950170-23-020495 |
| 2023-05-09 | 16:09 ET | [8-K](/filings/0000950170-23-019655.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-019655 |
| 2023-05-05 | 17:25 ET | [8-K](/filings/0001193125-23-137262.md) | 5.02 Departure or appointment of officers or directors | 0001193125-23-137262 |
| 2023-04-27 | 16:32 ET | [DEF 14A](/filings/0001140361-23-020978.md) | Proxy statement | 0001140361-23-020978 |
| 2023-04-05 | 16:31 ET | [8-K](/filings/0001193125-23-092340.md) | 2.05 Exit or disposal costs; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-23-092340 |
| 2023-04-05 | 16:29 ET | [8-K](/filings/0001193125-23-092329.md) | 5.02 Departure or appointment of officers or directors | 0001193125-23-092329 |
| 2023-02-22 | 19:52 ET | [SC 13D/A](/filings/0001193125-23-043772.md) | Ownership report, active investor, amended | 0001193125-23-043772 |
| 2023-02-16 | 16:06 ET | [10-K](/filings/0000950170-23-003045.md) | Annual report, period 2022-12-31 | 0000950170-23-003045 |
| 2023-02-15 | 16:05 ET | [8-K](/filings/0000950170-23-002892.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-23-002892 |

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Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 04:32 ET. No prices; not investment advice.