Liu Curtis
- SEC CIK
- 0001883022
In the past year, 4 open-market sale filings worth $832.2K and no purchases.
Current role at each company
- AMPL Amplitude, Inc.Chief Technology Officeras of Aug 18, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $832.2K
- 4 filings
- Net
- −$832.2K
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Liu Curtis as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2021 (view filing) | Sep 28 | 2 days | Liu CurtisChief Technology Officer | SSaleClass A Common Stock | −300.8K | $50.43 | −$15.2M | −79.2%79.2K after | 2 lots |
| 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 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 |