Skates Spenser, CEO of Amplitude Inc. ($AMPL), sold about 4.9 million dollars worth of company shares in three open market transactions over the last year. His most recent sale occurred on December 26, 2025. These sales rank him 1960th among 11,678 insiders in our database by total value sold, below the average of 8.6 million dollars across roughly 6.4 transactions per insider. Spenser made no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 26, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | C | Class A Common Stock | 100 | $0.00 | 100.0000 | 132,997,000 | 9999.99% | 0.00% |
| Dec. 26, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | C | Class B Common Stock | 100 | $0.00 | 5,909,303.0000 | 132,997,000 | 0.00% | 0.00% |
| Dec. 26, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | S | Class A Common Stock | 100 | $12.00 | 0.0000 | 132,997,000 | 100.00% | 0.00% |
| Dec. 24, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | C | Class A Common Stock | 42743 | $0.00 | 42,743.0000 | 132,997,000 | 9999.99% | 0.03% |
| Dec. 24, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | S | Class A Common Stock | 42743 | $12.01 | 0.0000 | 132,997,000 | 100.00% | 0.03% |
| Dec. 24, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | C | Class B Common Stock | 42743 | $0.00 | 5,909,403.0000 | 132,997,000 | 0.72% | 0.03% |
| Nov. 11, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | C | Class A Common Stock | 400000 | $0.00 | 400,000.0000 | 132,997,000 | 9999.99% | 0.30% |
| Nov. 11, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | S | Class A Common Stock | 400000 | $10.99 | 0.0000 | 132,997,000 | 100.00% | 0.30% |
| Nov. 11, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | C | Class B Common Stock | 400000 | $0.00 | 5,952,146.0000 | 132,997,000 | 6.30% | 0.30% |
| Aug. 4, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | G | Class B Common Stock | 1010000 | $0.00 | 6,352,146.0000 | 123,900,000 | 18.91% | 0.82% |
| Aug. 4, 2025 | Amplitude, Inc. | $AMPL | Skates Spenser | Chief Executive Officer | G | Class B Common Stock | 1010000 | $0.00 | 6,352,146.0000 | 123,900,000 | 13.72% | 0.82% |