SEC Insider Transactions from Wong Catherine.

Last updated: 2026-03-14 11:22 UTC | Total transactions: 13

Wong Catherine sold Amplitude Inc ($AMPL) shares on the open market twice in the last 365 days, for a total of nearly $148,000. Her most recent sale occurred on June 11, 2025. These transactions rank her 9,010th among 11,678 individual insiders by sale value, well below the average of $8.6 million across 6.37 transactions. She made no open market purchases during 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
June 12, 2025 Amplitude, Inc. $AMPL Wong Catherine Not found A Class A Common Stock 14906 $0.00 94,058.0000 123,900,000 18.83% 0.01%
June 11, 2025 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 8502 $12.49 79,152.0000 123,900,000 9.70% 0.01%
May 19, 2025 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $11.75 87,654.0000 123,900,000 3.86% 0.00%
March 11, 2025 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $12.04 91,169.0000 123,900,000 3.71% 0.00%
Nov. 18, 2024 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $9.57 94,684.0000 124,324,000 3.58% 0.00%
Aug. 19, 2024 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $8.54 98,199.0000 116,938,000 3.46% 0.00%
June 11, 2024 Amplitude, Inc. $AMPL Wong Catherine Not found A Class A Common Stock 18894 $0.00 101,714.0000 116,938,000 22.81% 0.02%
May 17, 2024 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $9.16 82,820.0000 116,938,000 4.07% 0.00%
Feb. 23, 2024 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $11.97 86,335.0000 116,938,000 3.91% 0.00%
Nov. 17, 2023 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $10.47 89,850.0000 111,437,000 3.76% 0.00%
Aug. 17, 2023 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $11.23 93,365.0000 111,437,000 3.63% 0.00%
May 17, 2023 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $9.02 96,880.0000 111,437,000 3.50% 0.00%
Feb. 17, 2023 Amplitude, Inc. $AMPL Wong Catherine Not found S Class A Common Stock 3515 $14.34 100,395.0000 111,437,000 3.38% 0.00%