Skates Spenser (CIK 1882913) reported 8 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-19). Recent activity: Sell AMPL (39,562 shares), Buy AMPL (1.3M shares), Buy AMPL (100 shares), Sell AMPL (100 shares), Buy AMPL (42,743 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-19 | Amplitude, Inc. (AMPL) | CEO and President | Sell | 39,562 | $239,746 |
| 2026-04-22 | Amplitude, Inc. (AMPL) | CEO and President | Buy | 1.3M | $0 |
| 2025-12-30 | Amplitude, Inc. (AMPL) | Chief Executive Officer | Buy | 100 | $0 |
| 2025-12-30 | Amplitude, Inc. (AMPL) | Chief Executive Officer | Sell | 100 | $1,200 |
| 2025-12-29 | Amplitude, Inc. (AMPL) | Chief Executive Officer | Buy | 42,743 | $0 |
| 2025-12-29 | Amplitude, Inc. (AMPL) | Chief Executive Officer | Sell | 42,743 | $513,343 |
| 2025-11-13 | Amplitude, Inc. (AMPL) | Chief Executive Officer | Buy | 400,000 | $0 |
| 2025-11-13 | Amplitude, Inc. (AMPL) | Chief Executive Officer | Sell | 400,000 | $4.4M |
Source: SEC Form 4 filings · as of 2026-05-19