Curtis Liu sold $241k of AMPL
Chief Technology Officer at Amplitude, Inc.. 30,061 shares at an average of $8.00, traded Mar 5, 2026, filed Mar 9, 2026.
Score components
- +15RoleOfficer
- +13Trade size$241k at market
- 0Share of holdings soldSold 4.5% of holdings
- 0ClusterNo other insider selling within 14 days
- -2010b5-1 planPre-scheduled under a 10b5-1 plan
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -19.6%, 3m -8.1%, 6m +66.9%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001883022-26-000005, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Mar 5, 2026 | SOpen-market sale Class A Common Stock10b5-1 | -30,061 | $8.00 | $241k | 636,957 | Mar 9, 2026 |
Related signals
Other insiders at Amplitude, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 50Moderate | Amplitude, Inc. | Spenser Skates CEO and President | $1.0M 70,087 shares | -100% | |
| 33Weak | Amplitude, Inc. | Spenser Skates CEO and President | $71k 4,913 shares | -358% | |
| 58Moderate | Amplitude, Inc. | Spenser Skates CEO and President | $2.3M 185,000 shares | -100% | |
| 33Weak | Amplitude, Inc. | Nathaniel Glenn Crook Chief Commercial Officer | $3.9M 300,000 shares | -16% | |
| 15Weak | Amplitude, Inc. | Curtis Liu Chief Technology Officer | $183k 22,786 shares | -2% | |
| 10Weak | Amplitude, Inc. | Catherine Wong director | $51k 7,453 shares | -6% | |
| 15Weak | Amplitude, Inc. | Curtis Liu Chief Technology Officer | $178k 22,201 shares | -2% | |
| 6Weak | Amplitude, Inc. | Curtis Liu Chief Technology Officer | $143k 17,586 shares | -2% | |
| 8Weak | Amplitude, Inc. | Curtis Liu Chief Technology Officer | $266k 33,201 shares | -5% | |
| 33Weak | Amplitude, Inc. | Spenser Skates Chief Executive Officer | $1,200 100 shares | -100% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.