SEC Insider Transactions from Liu Curtis.

Last updated: 2026-03-14 11:57 UTC | Total transactions: 15

Liu Curtis, Chief Technology Officer at Amplitude Inc. ($AMPL), made two open market sales of company shares over the past year, totaling about $506 thousand. His latest sale occurred on March 6, 2026. These transactions rank 6,405th among 11,678 individual insiders by sale value, well below the average of $8.6 million across 6.4 transactions per seller. Curtis recorded no open market purchases in this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 6, 2026 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer S Class A Common Stock 33201 $8.01 603,756.0000 131,976,000 5.21% 0.03%
March 5, 2026 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer S Class A Common Stock 30061 $8.00 636,957.0000 131,976,000 4.51% 0.02%
Feb. 15, 2026 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer F Class A Common Stock 26672 $6.34 730,280.0000 131,976,000 3.52% 0.02%
Nov. 15, 2025 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer F Class A Common Stock 36092 $10.73 756,952.0000 132,997,000 4.55% 0.03%
Aug. 15, 2025 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer F Class A Common Stock 34301 $11.47 793,044.0000 123,900,000 4.15% 0.03%
May 15, 2025 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer F Class A Common Stock 25533 $12.14 8,209,553.0000 123,900,000 0.31% 0.02%
April 25, 2025 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer A Class A Common Stock 852878 $0.00 8,235,086.0000 123,900,000 11.55% 0.69%
Feb. 1, 2024 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer C Class A Common Stock 23866 $0.00 0.0000 116,938,000 100.00% 0.02%
Feb. 1, 2024 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer M Stock Options (Right to buy) 23866 $0.00 12,199.0000 116,938,000 66.17% 0.02%
Feb. 1, 2024 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer C Class B Common Stock 23866 $0.00 7,382,208.0000 116,938,000 0.32% 0.02%
Feb. 1, 2024 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer M Class A Common Stock 23866 $4.19 23,866.0000 116,938,000 9999.99% 0.02%
Feb. 1, 2023 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer C Class B Common Stock 23866 $0.00 7,358,342.0000 111,437,000 0.33% 0.02%
Feb. 1, 2023 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer M Class A Common Stock 23866 $4.19 23,866.0000 111,437,000 9999.99% 0.02%
Feb. 1, 2023 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer C Class A Common Stock 23866 $0.00 0.0000 111,437,000 100.00% 0.02%
Feb. 1, 2023 Amplitude, Inc. $AMPL Liu Curtis Chief Technology Officer M Stock Options (Right to buy) 23866 $0.00 36,065.0000 111,437,000 39.82% 0.02%