Spenser Skates serves as Executive at Amplitude, Inc., where they oversee executive responsibilities. Since joining the company, Spenser Skates has executed 19 insider transactions totaling $35.1M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 26, 2025 involved exercising options for 100 shares valued at $0.
Spenser Skates currently holds 100 shares of Amplitude, Inc. (AMPL), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Spenser Skates has been a net seller of AMPL stock. They have purchased $0 and sold $35.1M worth of shares.
Spenser Skates's most recent insider trade was on Dec 26, 2025, when they sold 100 shares at $0.00 per share.
Get notified when new Form 4 filings are submitted
| $12.00 |
| Discretionary |
| Dec 26, 2025 | AMPL | $0 | Conversion | 100 | $N/A | Discretionary |
| Dec 26, 2025 | AMPL | $1.2K | Sale | 100 | $12.00 | Discretionary |
| Dec 26, 2025 | AMPL | $0 | Conversion | 100 | $N/A | Discretionary |
| Dec 24, 2025 | AMPL | $513.3K | Sale | 42,743 | $12.01 | Discretionary |
| Dec 24, 2025 | AMPL | $0 | Conversion | 42,743 | $N/A | Discretionary |
| Nov 11, 2025 | AMPL | $0 | Conversion | 400,000 | $N/A | Discretionary |
| Nov 11, 2025 | AMPL | $4.4M | Sale | 400,000 | $10.99 | Discretionary |
| Feb 18, 2022 | AMPL | $293.3K | Option Exercise | 70,000 | $4.19 | Discretionary |
| Feb 18, 2022 | AMPL | $0 | Conversion | 70,000 | $N/A | Discretionary |
| Feb 18, 2022 | AMPL | $0 | Conversion | 30,000 | $N/A | Discretionary |
| Feb 18, 2022 | AMPL | $125.7K | Option Exercise | 30,000 | $4.19 | Discretionary |
| Dec 13, 2021 | AMPL | $0 | Conversion | 189,000 | $N/A | Discretionary |
| Dec 13, 2021 | AMPL | $0 | Gift | 189,000 | $N/A | Discretionary |
| Oct 1, 2021 | AMPL | $1.4M | Sale | 25,000 | $54.23 | Discretionary |
| Sep 28, 2021 | AMPL | $27.5M | Sale | 550,000 | $50.00 | Discretionary |
| Sep 28, 2021 | AMPL | $1.3M | Sale | 25,000 | $52.00 | Discretionary |
| Sep 21, 2021 | AMPL | $0 | Conversion | 600,000 | $N/A | Discretionary |