SEC Insider Transactions from Harms Christopher.

Last updated: 2026-03-14 11:22 UTC | Total transactions: 10

Harms Christopher has filed 10 insider transactions across 1 company since March 2023.

Most recent transaction: a tax payment of 32064 shares of Amplitude, Inc. ($AMPL) on May 15, 2024.

Activity breakdown: 0 open-market purchases and 1 sale.

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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
May 15, 2024 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer F Class A Common Stock 32064 $9.49 833,853.0000 116,938,000 3.70% 0.03%
April 15, 2024 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer A Class A Common Stock 275624 $0.00 865,917.0000 116,938,000 46.69% 0.24%
Feb. 15, 2024 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer F Class A Common Stock 18040 $14.26 590,293.0000 116,938,000 2.97% 0.02%
Nov. 15, 2023 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer F Class A Common Stock 20878 $10.76 608,333.0000 111,437,000 3.32% 0.02%
Aug. 15, 2023 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer A Class A Common Stock 247579 $0.00 640,970.0000 111,437,000 62.93% 0.22%
Aug. 15, 2023 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer F Class A Common Stock 11759 $11.37 629,211.0000 111,437,000 1.83% 0.01%
Aug. 15, 2023 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer A Employee Stock Option (Right to Buy) 143788 $0.00 143,788.0000 111,437,000 9999.99% 0.13%
May 18, 2023 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer S Class A Common Stock 14666 $9.11 393,391.0000 111,437,000 3.59% 0.01%
March 15, 2023 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer A Class A Common Stock 408057 $0.00 408,057.0000 111,437,000 9999.99% 0.37%
March 15, 2023 Amplitude, Inc. $AMPL Harms Christopher Chief Financial Officer A Employee Stock Option (Right to Buy) 241819 $0.00 241,819.0000 111,437,000 9999.99% 0.22%