Liu Curtis (CIK 1883022) reported 11 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-16). Recent activity: Sell AMPL (22,786 shares), Sell AMPL (22,201 shares), Sell AMPL (40,279 shares), Buy AMPL (417,827 shares), Sell AMPL (33,201 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-16 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Sell | 22,786 | $182,878 |
| 2026-06-03 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Sell | 22,201 | $178,183 |
| 2026-05-19 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Sell | 40,279 | $244,091 |
| 2026-04-17 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Buy | 417,827 | $0 |
| 2026-03-10 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Sell | 33,201 | $265,940 |
| 2026-03-09 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Sell | 30,061 | $240,488 |
| 2026-02-17 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Sell | 26,672 | $169,100 |
| 2025-11-18 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Sell | 36,092 | $387,267 |
| 2025-08-19 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Sell | 34,301 | $393,432 |
| 2025-05-19 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Sell | 25,533 | $309,971 |
| 2025-04-29 | Amplitude, Inc. (AMPL) | Chief Technology Officer | Buy | 852,878 | $0 |
Source: SEC Form 4 filings · as of 2026-06-16