Amplitude, Inc.
AMPL- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001866692
In the last 90 days, Amplitude, Inc. insiders filed 0 open-market purchases and 2 sales; 202 institutions reported holding it in 13F filings for Q2 2026, worth $715.3M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Amplitude, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 2 filings
- 2 insiders, $6.17M in total
- Insiders trading
- 2
- Net value
- −$6.17M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Amplitude, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Skates Spenser | CEO and President | 0Indirect | Sep 14, 2026 | 7 |
| Crook Nathaniel Glenn | Chief Commercial Officer | 1,622,696 | Sep 9, 2026 | 4 |
| Liu Curtis | Chief Technology Officer | 950,316 | Aug 18, 2026 | 10 |
| Casey Andrew | Chief Financial Officer | 1,363,338 | Aug 18, 2026 | 6 |
| Tzuo Tien | Director | 101,601 | Jul 7, 2026 | 4 |
| Schultz Erica | Director | 143,100 | Jul 7, 2026 | 6 |
| Wong Catherine | Director | 111,462 | Jun 15, 2026 | 2 |
| Whitehurst James M | Director | 187,201 | Jun 11, 2026 | 1 |
| Gill Ronald S | Director | 99,535 | Jun 11, 2026 | 1 |
| Grady Patrick W | Director, 10% Owner | 85,806 | Jun 11, 2026 | 1 |
| Hansen Thomas Neergaard | President | 1,845,845 | Feb 17, 2026 | 2 |
| Vishria Eric | Director | 64,712 | Jun 16, 2025 | 0 |
| Steele Elisa | Director | 21,690 | Jun 13, 2024 | 0 |
| Harms Christopher | Chief Financial Officer | 833,853 | May 17, 2024 | 0 |
| Fleischer Russell L | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Tobin Scott R | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Brown Michael Maurice | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Lee Roger H | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Agrawal Neeraj | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Feldman Jesse | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Stoner Chelsea R. | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Elhafed Morad | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Thakker Dharmesh | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Battery Ventures Select Fund I, L.P. | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Battery Partners Select Fund I GP, LLC | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| Battery Partners Select Fund I, L.P. | 10% Owner | 327,766Indirect | Jan 9, 2024 | 0 |
| SC US (TTGP), Ltd. | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| Sequoia Grove II, LLC | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| Sequoia Capital U.S. Venture 2010-Seed Fund, L.P. | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| SC U.S. Venture 2010 Management, L.P. | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| SC U.S. Growth VIII Management, L.P. | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| Sequoia Capital U.S. Growth Fund VIII, L.P. | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| Sequoia Capital U.S. Growth Fund IX, L.P. | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| Sequoia Capital U.S. Growth IX Principals Fund, L.P. | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| Sequoia Capital U.S. Growth Partners Fund IX, L.P. | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| SC U.S. Growth IX Management, L.P. | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| Sequoia Grove Manager, LLC | 10% Owner | 0Indirect | Jun 8, 2023 | 0 |
| Battery Ventures XI-B Side Fund, L.P. | 10% Owner | 0Indirect | Mar 23, 2023 | 0 |
| Battery Ventures XI-A Side Fund, L.P. | 10% Owner | 0Indirect | Mar 23, 2023 | 0 |
| Battery Ventures XI-B, L.P. | 10% Owner | 0Indirect | Mar 23, 2023 | 0 |
| Battery Investment Partners XI, LLC | 10% Owner | 0Indirect | Mar 23, 2023 | 0 |
| Battery Ventures XI-A, L.P. | 10% Owner | 0Indirect | Mar 23, 2023 | 0 |
| Battery Partners XI Side Fund, LLC | 10% Owner | 0Indirect | Mar 23, 2023 | 0 |
| Battery Partners XI, LLC | 10% Owner | 0Indirect | Mar 23, 2023 | 0 |
| Sarkis Ninos | Chief Accounting Officer | 83,891 | Feb 21, 2023 | 0 |
| Vuong Hoang | Chief Financial Officer | 813,896 | Jan 3, 2023 | 0 |
| Lasky Mitchell | 10% Owner | 10,285Indirect | Dec 2, 2022 | 0 |
| Gurley J William | 10% Owner | 10,285Indirect | Dec 2, 2022 | 0 |
| Fenton Peter H | 10% Owner | 10,285Indirect | Dec 2, 2022 | 0 |
| Cohler Matt | 10% Owner | 10,285Indirect | Dec 2, 2022 | 0 |
Showing the 50 most recent filers.
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 14, 2026 (view filing)4:59 PM ET | Sep 10 | 4 days | Skates SpenserCEO and President | SSaleClass A Common Stock | −185.0K | $12.30 | −$2.28M | −100.0%0 after | 10b5-1 |
| Sep 9, 2026 (view filing)5:03 PM ET | Sep 4 | 5 days | Crook Nathaniel GlennChief Commercial Officer | SSaleClass A Common Stock | −300.0K | $12.99 | −$3.90M | −15.6%1.62M after | 10b5-1 |
| Jun 16, 2026 (view filing) | Jun 1 | 15 days | Liu CurtisChief Technology Officer | SSaleClass A Common Stock | −22.8K | $8.03 | −$183.0K | −2.2%1.00M after | Amended10b5-1 |
| Jun 15, 2026 (view filing) | Jun 12 | 3 days | Wong CatherineDirector | SSaleClass A Common Stock | −7.45K | $6.79 | −$50.6K | −6.3%111.5K after | 10b5-1 |
| May 6, 2026 (view filing) | May 4 | 2 days | Liu CurtisChief Technology Officer | SSaleClass A Common Stock | −17.6K | $8.12 | −$142.8K | −1.6%1.07M after | 10b5-1 |
| Mar 10, 2026 (view filing) | Mar 6 | 4 days | Liu CurtisChief Technology Officer | SSaleClass A Common Stock | −33.2K | $8.01 | −$265.9K | −5.2%603.8K after | 10b5-1 |
| Mar 9, 2026 (view filing) | Mar 5 | 4 days | Liu CurtisChief Technology Officer | SSaleClass A Common Stock | −30.1K | $8.00 | −$240.5K | −4.5%637.0K after | 10b5-1 |
| Dec 30, 2025 (view filing) | Dec 26 | 4 days | Skates SpenserChief Executive Officer | SSaleClass A Common Stock | −100 | $12.00 | −$1.20K | −100.0%0 after | 10b5-1 |
| Dec 29, 2025 (view filing) | Dec 24 | 5 days | Skates SpenserChief Executive Officer | SSaleClass A Common Stock | −42.7K | $12.01 | −$513.3K | −100.0%0 after | 10b5-1 |
| Dec 17, 2025 (view filing) | Dec 15 | 2 days | Schultz EricaDirector | SSaleClass A Common Stock | −10.0K | $10.88 | −$108.8K | −8.0%114.9K after | 10b5-1 |
| Nov 19, 2025 (view filing) | Nov 17 | 2 days | Schultz EricaDirector | SSaleClass A Common Stock | −10.0K | $10.23 | −$102.3K | −8.5%107.4K after | 10b5-1 |
| Nov 13, 2025 (view filing) | Nov 11 | 2 days | Skates SpenserChief Executive Officer | SSaleClass A Common Stock | −400.0K | $10.99 | −$4.40M | −100.0%0 after | 10b5-1 |
| Nov 12, 2025 (view filing) | Nov 7 | 5 days | Casey AndrewChief Financial Officer | PPurchaseClass A Common Stock | +30.0K | $9.99 | +$299.7K | +2.7%1.16M after | |
| Oct 17, 2025 (view filing) | Oct 15 | 2 days | Schultz EricaDirector | SSaleClass A Common Stock | −10.0K | $10.12 | −$101.2K | −8.5%107.4K after | 10b5-1 |
| Sep 17, 2025 (view filing) | Sep 15 | 2 days | Schultz EricaDirector | SSaleClass A Common Stock | −10.0K | $11.06 | −$110.6K | −8.5%107.4K after | 10b5-1 |
| Aug 19, 2025 (view filing) | Aug 15 | 4 days | Schultz EricaDirector | SSaleClass A Common Stock | −7.50K | $11.46 | −$86.0K | −6.5%107.4K after | 10b5-1 |
| Jul 17, 2025 (view filing) | Jul 15 | 2 days | Schultz EricaDirector | SSaleClass A Common Stock | −7.50K | $12.56 | −$94.2K | −6.5%107.4K after | 10b5-1 |
| Jun 13, 2025 (view filing) | Jun 11 | 2 days | Schultz EricaDirector | SSaleClass A Common Stock | −26.4K | $12.49 | −$329.7K | −22.2%92.5K after | 10b5-1 |
| Jun 13, 2025 (view filing) | Jun 11 | 2 days | Wong CatherineDirector | SSaleClass A Common Stock | −8.50K | $12.49 | −$106.2K | −9.7%79.2K after | 10b5-1 |
| May 21, 2025 (view filing) | May 19 | 2 days | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $11.75 | −$41.3K | −3.9%87.7K after | 10b5-1 |
| May 14, 2025 (view filing) | May 12 | 2 days | Vishria EricDirector | SSaleClass A Common Stock | −10.0K | $12.00 | −$120.0K | −2.9%329.6K after | 10b5-1 |
| May 12, 2025 (view filing) | May 8 | 4 days | Vishria EricDirector | SSaleClass A Common Stock | −25.0K | $10.15 | −$253.8K | −8.7%261.9K after | 10b5-1 |
| Mar 17, 2025 (view filing) | Mar 13 | 4 days | Casey AndrewChief Financial Officer | PPurchaseClass A Common Stock | +21.0K | $11.42 | +$239.8K | +2.0%1.08M after | |
| Mar 12, 2025 (view filing) | Mar 11 | 1 day | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $12.04 | −$42.3K | −3.7%91.2K after | 10b5-1 |
| Feb 26, 2025 (view filing) | Feb 24 | 2 days | Vishria EricDirector | SSaleClass A Common Stock | −35.0K | $12.80 | −$448.0K | −10.9%286.9K after | 10b5-1 |
| Jan 29, 2025 (view filing) | Jan 28 | 1 day | Vishria EricDirector | SSaleClass A Common Stock | −3.56K | $12.00 | −$42.8K | −1.3%276.2K after | 10b5-1 |
| Dec 16, 2024 (view filing) | Dec 13 | 3 days | Vishria EricDirector | SSaleClass A Common Stock | −6.44K | $12.02 | −$77.4K | −2.2%279.8K after | 10b5-1 |
| Nov 19, 2024 (view filing) | Nov 18 | 1 day | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $9.57 | −$33.6K | −3.6%94.7K after | 10b5-1 |
| Nov 14, 2024 (view filing) | Nov 12 | 2 days | Vishria EricDirector | SSaleClass A Common Stock | −25.0K | $10.18 | −$254.5K | −8.0%286.2K after | 10b5-1 |
| Aug 20, 2024 (view filing) | Aug 19 | 1 day | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $8.54 | −$30.0K | −3.5%98.2K after | 10b5-1 |
| May 20, 2024 (view filing) | May 17 | 3 days | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $9.16 | −$32.2K | −4.1%82.8K after | 10b5-1 |
| Feb 26, 2024 (view filing) | Feb 23 | 3 days | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $11.97 | −$42.1K | −3.9%86.3K after | 10b5-1 |
| Jan 9, 2024 (view filing)5:43 PM ET | Jan 2 | 7 daysLate | Fleischer Russell L and 8 others10% Owner | SSaleClass A Common Stock | −33.3K | $12.56 | −$418.7K | −9.2%327.8K after | Duplicate filing |
| Jan 9, 2024 (view filing)5:41 PM ET | Jan 2 | 7 daysLate | Battery Ventures Select Fund I, L.P. and 2 others10% Owner | SSaleClass A Common Stock | −33.3K | $12.56 | −$418.7K | −9.2%327.8K after | |
| Nov 20, 2023 (view filing) | Nov 17 | 3 days | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $10.47 | −$36.8K | −3.8%89.8K after | 10b5-1 |
| Aug 21, 2023 (view filing) | Aug 17 | 4 days | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $11.23 | −$39.5K | −3.6%93.4K after | 10b5-1 |
| Jul 7, 2023 (view filing) | Jul 5 | 2 days | Thakker Dharmesh10% Owner | SSaleClass A Common Stock | −63.5K | $10.84 | −$688.5K | −100.0%0 after | |
| Jun 8, 2023 (view filing)8:31 PM ET | Jun 6-8 | 2 days | SC US (TTGP), Ltd. and 1 other10% Owner | SSaleClass A Common Stock | −323.9K | $10.08 | −$3.26M | −100.0%0 after | 6 lotsDuplicate filing |
| Jun 8, 2023 (view filing)8:30 PM ET | Jun 6-8 | 2 days | Sequoia Capital U.S. Venture 2010-Seed Fund, L.P. and 9 others10% Owner | SSaleClass A Common Stock | −323.9K | $10.08 | −$3.26M | −100.0%0 after | 6 lotsDuplicate filing |
| Jun 8, 2023 (view filing) | Jun 6-8 | 2 days | Grady Patrick WDirector, 10% Owner | SSaleClass A Common Stock | −323.9K | $10.08 | −$3.26M | −100.0%0 after | 6 lots |
| Jun 5, 2023 (view filing)8:23 PM ET | Jun 1-5 | 4 days | SC US (TTGP), Ltd. and 1 other10% Owner | SSaleClass A Common Stock | −178.7K | $9.64 | −$1.72M | −100.0%0 after | 6 lotsDuplicate filing |
| Jun 5, 2023 (view filing)8:23 PM ET | Jun 1-5 | 4 days | Sequoia Capital U.S. Venture 2010-Seed Fund, L.P. and 9 others10% Owner | SSaleClass A Common Stock | −178.7K | $9.64 | −$1.72M | −100.0%0 after | 6 lotsDuplicate filing |
| Jun 5, 2023 (view filing) | Jun 1-5 | 4 days | Grady Patrick WDirector, 10% Owner | SSaleClass A Common Stock | −178.7K | $9.64 | −$1.72M | −100.0%0 after | 6 lots |
| May 19, 2023 (view filing) | May 18 | 1 day | Hansen Thomas NeergaardPresident | SSaleClass A Common Stock | −30.0K | $9.11 | −$273.5K | −3.2%914.6K after | |
| May 19, 2023 (view filing) | May 18 | 1 day | Harms ChristopherChief Financial Officer | SSaleClass A Common Stock | −14.7K | $9.11 | −$133.6K | −3.6%393.4K after | |
| May 19, 2023 (view filing) | May 17 | 2 days | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $9.02 | −$31.7K | −3.5%96.9K after | 10b5-1 |
| Apr 12, 2023 (view filing) | Apr 10 | 2 days | Hansen Thomas NeergaardPresident | SSaleClass A Common Stock | −22.8K | $11.67 | −$265.6K | −2.4%944.6K after | |
| Feb 21, 2023 (view filing) | Feb 17 | 4 days | Wong CatherineDirector | SSaleClass A Common Stock | −3.52K | $14.34 | −$50.4K | −3.4%100.4K after | |
| Feb 21, 2023 (view filing) | Feb 16 | 5 days | Sarkis NinosChief Accounting Officer | SSaleClass A Common Stock | −2.52K | $14.61 | −$36.9K | −2.9%83.9K after | |
| Jan 11, 2023 (view filing) | Jan 9 | 2 days | Hansen Thomas NeergaardPresident | SSaleClass A Common Stock | −19.6K | $12.17 | −$239.0K | −2.0%967.4K after |