Skates Spenser
SEC CIK 1882913 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| AMPL | Amplitude, Inc. | CEO, Pres, Dir, 10% | 185.0K | — | $37.34M | 18 | 2021-09-21 | 2026-09-10 |
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 18
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DTI | 2026-09-14 16:59 | 2026-09-10 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Pres, Dir, 10% | C - Cnv Deriv | $0.00 | +185.0K | 185.0K | New | $0 |
| DTI | 2026-09-14 16:59 | 2026-09-10 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Pres, Dir, 10% | S - Sale | $12.30 | -185.0K | 0 | -100% | -$2.28M |
| 2026-08-18 17:18 | 2026-08-17 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Pres, Dir, 10% | F - Tax | $13.03 | -52.4K | 1.23M | -4% | -$682.4K | |
| 2026-05-19 16:27 | 2026-05-15 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Pres, Dir, 10% | F - Tax | $6.06 | -39.6K | 1.28M | -3% | -$239.7K | |
| 2026-04-22 17:11 | 2026-04-21 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Pres, Dir, 10% | A - Grant | $0.00 | +1.32M | 1.32M | New | $0 | |
| DTI | 2025-12-30 | 2025-12-26 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | S - Sale | $12.00 | -100 | 0 | -100% | -$1,200 |
| DTI | 2025-12-30 | 2025-12-26 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +100 | 100 | New | $0 |
| DTI | 2025-12-29 | 2025-12-24 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +42.7K | 42.7K | New | $0 |
| DTI | 2025-12-29 | 2025-12-24 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | S - Sale | $12.01 | -42.7K | 0 | -100% | -$513.3K |
| DTI | 2025-11-13 | 2025-11-11 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | S - Sale | $10.99 | -400.0K | 0 | -100% | -$4.40M |
| DTI | 2025-11-13 | 2025-11-11 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +400.0K | 400.0K | New | $0 |
| DM | 2022-02-23 | 2022-02-18 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | M - OptEx | $4.19 | +100.0K | 100.0K | New | +$419.0K |
| DM | 2022-02-23 | 2022-02-18 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | C - Cnv Deriv | $0.00 | -100.0K | 0 | -100% | $0 |
| D | 2021-12-15 | 2021-12-13 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | G - Gift | $0.00 | -189.0K | 0 | -100% | $0 |
| D | 2021-12-15 | 2021-12-13 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +189.0K | 189.0K | New | $0 |
| 2021-10-05 | 2021-10-01 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | S - Sale | $54.23 | -25.0K | 0 | -100% | -$1.36M | |
| M | 2021-09-30 | 2021-09-28 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | S - Sale | $50.09 | -575.0K | 50.0K | -92% | -$28.80M |
| D | 2021-09-23 | 2021-09-21 | AMPL | Amplitude, Inc. | Skates Spenser | CEO, Dir, 10% | C - Cnv Deriv | $0.00 | +600.0K | 600.0K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations