Trade Summary

1 week ago, Skates Spenser, serving as CEO, 10% owner at Amplitude, Inc. (AMPL), sold 42,743 shares at $12.01 per share, for a total transaction value of $513,433.00.

This sale represents a 100.00% decrease in Skates Spenser's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, December 24, 2025 and publicly disclosed via SEC Form 4 filing on Monday, December 29, 2025, 5 days after the trade was made.

Amplitude, Inc. operates in the TECHNOLOGY sector, specifically within the SOFTWARE - APPLICATION industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.