Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Liu Curtis
Over the trailing 90 days, Liu Curtis (Other at Amplitude, Inc.) sold $565K of stock in AMPL, per 5 SEC Form 4 transactions.
- Role
- Other
- Companies
- AMPL
- Window
- Trailing 90 days · 5 transactions · CIK 1883022
- Net activity
- −$565K ($0 bought · $565K sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| AMPL | Amplitude, Inc. | 5 | — | $565K | −$565K |
Transactions (5)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-07-08 | AMPL | Sell | 175.0K | $0 | Gift (bona fide) |
| 2026-07-08 | AMPL | Buy | 175.0K | $0 | Gift (bona fide) |
| 2026-06-01 | AMPL | Sell | 22.2K | $178K | Open market or private sale |
| 2026-05-15 | AMPL | Sell | 40.3K | $244K | Payment of exercise price or tax liability by delivering securities |
| 2026-05-04 | AMPL | Sell | 17.6K | $143K | Open market or private sale |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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