Form 4: Amplitude Inc. Executive Curtis Liu Reports Stock Transactions

Curtis Liu, Chief Technology Officer of Amplitude, Inc., reports disposition of shares to cover tax obligations and discloses beneficial ownership including shares held directly and through a trust.

Summary

• On May 15, 2025, Curtis Liu, the Chief Technology Officer of Amplitude, Inc., reported a transaction involving Class A Common Stock.
• 25,533 shares were disposed of to cover tax withholding obligations related to the vesting of restricted stock units (RSUs) at a price of $12.14 per share.
• Following the transaction, Liu directly owns 827,345 shares, which includes 781,805 RSUs.
• Additionally, Liu indirectly owns 7,382,208 shares through a trust over which he exercises voting and dispositive control.

Sentiment

Score: 5

Explanation: The document is a standard SEC filing reporting stock transactions, which carries a neutral sentiment.

Industry Context

This filing is a routine disclosure of stock transactions by a company executive, which is common practice and required by the SEC to ensure transparency and prevent insider trading.

Stakeholder Impact

• The transaction has a minimal impact on shareholders as it is a routine tax-related stock disposition.

Key Dates

Keywords

Form 4, Beneficial Ownership, AMPL, Amplitude, Inc., Curtis Liu, Stock Transaction, Restricted Stock Units, RSUs, Tax Withholding