Tzuo Tien
SEC CIK 1735409 · EDGAR
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| AMPL | Amplitude, Inc. | Dir | 101.6K | — | — | 7 | 2025-02-22 | 2026-07-05 |
Most active insiders at AMPL, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Skates Spenser | CEO, Pres, Dir, 10% | — | $7.19M |
| 2 | Crook Nathaniel Glenn | Chief Commercial Off | — | $3.90M |
| 3 | Liu Curtis | CTO, Dir, 10% | — | $1.01M |
| 4 | Schultz Erica | Dir | — | $312.3K |
| 5 | Casey Andrew | CFO | $299.7K | — |
| 6 | Wong Catherine | Dir | — | $50.6K |
| 7 | Tzuo Tien | Dir | — | — |
| 8 | HANSEN THOMAS NEERGAARD | Pres | — | — |
| 9 | Grady Patrick W | Dir, 10% | — | — |
| 10 | Gill Ronald S | Dir | — | — |
Transactions 7
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-07-07 18:19 | 2026-07-05 | AMPL | Amplitude, Inc. | Tzuo Tien | Dir | A - Grant | $0.00 | +1,521 | 101.6K | +2% | $0 | |
| 2026-04-07 17:30 | 2026-04-05 | AMPL | Amplitude, Inc. | Tzuo Tien | Dir | A - Grant | $0.00 | +1,538 | 100.1K | +2% | $0 | |
| 2026-01-07 | 2026-01-05 | AMPL | Amplitude, Inc. | Tzuo Tien | Dir | A - Grant | $0.00 | +999 | 98.5K | +1% | $0 | |
| 2025-10-07 | 2025-10-05 | AMPL | Amplitude, Inc. | Tzuo Tien | Dir | A - Grant | $0.00 | +977 | 97.5K | +1% | $0 | |
| 2025-07-08 | 2025-07-05 | AMPL | Amplitude, Inc. | Tzuo Tien | Dir | A - Grant | $0.00 | +894 | 96.6K | +0.9% | $0 | |
| 2025-04-08 | 2025-04-05 | AMPL | Amplitude, Inc. | Tzuo Tien | Dir | A - Grant | $0.00 | +398 | 95.7K | +0.4% | $0 | |
| 2025-02-25 | 2025-02-22 | AMPL | Amplitude, Inc. | Tzuo Tien | Dir | A - Grant | $0.00 | +44.5K | 95.3K | +88% | $0 |
Purchase Sale Sale after option exercise All abbreviations