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 $615.1M 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 |
|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 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 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 |
| 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 |
| 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 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |