Curtis Liu's most recent trade in Amplitude Inc - Ordinary Shares - Class A was a trade of 34,301 Class A Common Stock done at an average price of $11.5 . Disclosure was reported to the exchange on Aug. 15, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Payment of exercise price or tax liability using portion of securities received from the company at price $ 11.47 per share. | 15 Aug 2025 | 34,301 | 793,044 | - | 11.5 | 393,432 | Class A Common Stock |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Payment of exercise price or tax liability using portion of securities received from the company at price $ 12.14 per share. | 15 May 2025 | 25,533 | 827,345 | - | 12.1 | 309,971 | Class A Common Stock |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 25 Apr 2025 | 852,878 | 852,878 | - | 0 | Class A Common Stock | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 4.19 per share. | 01 Feb 2024 | 23,866 | 23,866 | - | 4.2 | 99,999 | Class A Common Stock |
| Amplitude Inc Ordinary Shares | Liu Curtis | Director, Chief Technology Officer, Ten Percent Owner | 01 Feb 2024 | 23,866 | 0 | - | 0 | Class A Common Stock | ||
| Amplitude Inc Ordinary Shares | Liu Curtis | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Feb 2024 | 23,866 | 12,199 | - | - | Stock Options (Right to buy) | |
| Amplitude Inc Ordinary Shares | Liu Curtis | Director, Chief Technology Officer, Ten Percent Owner | 01 Feb 2024 | 23,866 | 0 | - | - | Class B Common Stock | ||
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Feb 2023 | 23,866 | 36,065 | - | - | Stock Options (Right to buy) | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | 01 Feb 2023 | 23,866 | 0 | - | - | Class B Common Stock | ||
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | 01 Feb 2023 | 23,866 | 0 | - | 0 | Class A Common Stock | ||
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 4.19 per share. | 01 Feb 2023 | 23,866 | 23,866 | - | 4.2 | 99,999 | Class A Common Stock |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | 17 Feb 2022 | 70,000 | 79,228 | - | 0 | Class A Common Stock | ||
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 4.19 per share. | 17 Feb 2022 | 70,000 | 149,228 | - | 4.2 | 293,300 | Class A Common Stock |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | 17 Feb 2022 | 70,000 | 7,334,476 | - | - | Class B Common Stock | ||
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 17 Feb 2022 | 70,000 | 515,515 | - | - | Stock Option (Right to Buy) | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 4.19 per share. | 17 Feb 2022 | 23,866 | 23,866 | - | 4.2 | 99,999 | Class A Common Stock |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | 17 Feb 2022 | 23,866 | 0 | - | - | Class B Common Stock | ||
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 17 Feb 2022 | 23,866 | 59,931 | - | - | Stock Option (Right to Buy) | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | 17 Feb 2022 | 23,866 | 0 | - | 0 | Class A Common Stock | ||
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 50.00 per share. | 28 Sep 2021 | 158,772 | 221,228 | - | 50 | 7,938,600 | Class A Common Stock |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 50.91 per share. | 28 Sep 2021 | 142,000 | 79,228 | - | 50.9 | 7,229,220 | Class A Common Stock |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Gift of securities by or to the insider at price $ 0.00 per share. | 24 Jun 2021 | 475,000 | 7,465,526 | - | - | Class B Common Stock | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | 24 Jun 2021 | 380,000 | 7,240,610 | - | - | Class B Common Stock | ||
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | 24 Jun 2021 | 380,000 | 380,000 | - | 0 | Class A Common Stock | ||
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 24 Jun 2021 | 155,084 | 117,768 | - | - | Stock Option (Right to Buy) | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 24 Jun 2021 | 155,084 | 7,620,610 | - | - | Class B Common Stock | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 24 Jun 2021 | 105,000 | 272,852 | - | - | Stock Option (Right to Buy) | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 24 Jun 2021 | 105,000 | 7,916,660 | - | - | Class B Common Stock | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 24 Jun 2021 | 23,866 | 83,797 | - | - | Stock Option (Right to Buy) | |
| Amplitude Inc Ordinary Shares | Curtis Liu | Director, Chief Technology Officer, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 24 Jun 2021 | 23,866 | 7,940,526 | - | - | Class B Common Stock |