Who
Curtis Liu
Chief Technology Officer
Company insider
Files Form 4 as: Chief Technology Officer, Amplitude.
In numbers
- Trades disclosed
- 53
- Buys
- 0
- Sells
- 6
- Bought
- $0
- Sold
- $17.2M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 24 Jun 2021
- Last trade
- 17 Aug 2026
- Last filed
- 18 Aug 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 17 Aug 2026filed 18 Aug 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Code F | $702K53,878 at $13.03 | filing |
| 17 Aug 2026filed 18 Aug 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Code F | $702K53,878 at $13.03 | filing |
| 8 Jul 2026filed 10 Jul 2026 | AMPL Amplitudeoption or derivative · Software | SEC FORM 4 Code G | —175,000 at $0.00 | filing |
| 8 Jul 2026filed 10 Jul 2026 | AMPL Amplitudeoption or derivative · Software | SEC FORM 4 Code G | —175,000 at $0.00 | filing |
| 8 Jul 2026filed 10 Jul 2026 | AMPL Amplitudeoption or derivative · Software | SEC FORM 4 Code G | —175,000 at $0.00 | filing |
| 8 Jul 2026filed 10 Jul 2026 | AMPL Amplitudeoption or derivative · Software | SEC FORM 4 Code G | —175,000 at $0.00 | filing |
| 1 Jun 2026filed 16 Jun 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $183K22,786 at $8.03 | filing |
| 1 Jun 2026filed 16 Jun 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $183K22,786 at $8.03 | filing |
| 1 Jun 2026filed 3 Jun 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $178K22,201 at $8.03 | filing |
| 1 Jun 2026filed 3 Jun 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $178K22,201 at $8.03 | filing |
| 15 May 2026filed 19 May 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Code F | $244K40,279 at $6.06 | filing |
| 15 May 2026filed 19 May 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Code F | $244K40,279 at $6.06 | filing |
| 4 May 2026filed 6 May 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $143K17,586 at $8.12 | filing |
| 4 May 2026filed 6 May 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $143K17,586 at $8.12 | filing |
| 15 Apr 2026filed 17 Apr 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Code A | —417,827 at $0.00 | filing |
| 15 Apr 2026filed 17 Apr 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Code A | —417,827 at $0.00 | filing |
| 6 Mar 2026filed 10 Mar 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $266K33,201 at $8.01 | filing |
| 6 Mar 2026filed 10 Mar 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $266K33,201 at $8.01 | filing |
| 5 Mar 2026filed 9 Mar 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $241K30,061 at $8.00 | filing |
| 5 Mar 2026filed 9 Mar 2026 | AMPL AmplitudeSoftware | SEC FORM 4 Sold | $240K30,061 at $8.00 | filing |
News
Critical Analysis: Amplitude (NASDAQ:AMPL) versus Thryv (NASDAQ:THRY)AMPL · themarketsdaily.com · 22 Oct 2026Head to Head Analysis: Amplitude (NASDAQ:AMPL) and Radcom (NASDAQ:RDCM)AMPL · dailypolitical.com · 22 Oct 2026Amplitude (NASDAQ:AMPL) Stock Gets Price Target Increase from Bank of AmericaAMPL · tickerreport.com · 14 Oct 2026
0 headlines in the last 90 days name Curtis Liu; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.