Form 4: Amplitude CTO's Tax Withholding on RSU Vesting

Amplitude's Chief Technology Officer, Curtis Liu, had 34,301 shares withheld by the company to cover tax obligations related to RSU vesting.

Summary

• Curtis Liu, Amplitude's Chief Technology Officer, Director, and 10% owner, had 34,301 shares of Class A Common Stock withheld by Amplitude, Inc.
• The shares were withheld on August 15, 2025, at a price of $11.47 per share.
• This transaction was solely to satisfy tax withholding obligations associated with the vesting of Restricted Stock Units (RSUs) and does not represent a sale by Mr. Liu.
• Following this transaction, Mr. Liu beneficially owns 793,044 shares of Class A Common Stock, which includes 710,732 Restricted Stock Units.

Sentiment

Score: 5

Explanation: Neutral. The filing reports a routine tax withholding transaction related to RSU vesting, which is a standard part of executive compensation and does not indicate any positive or negative operational or financial news for the company.

Positives

• The transaction is a standard tax withholding event related to RSU vesting, indicating the executive is receiving compensation as planned.
• The executive's overall beneficial ownership remains substantial at 793,044 shares, including a significant number of RSUs, aligning their interests with shareholders.

Negatives

• A reduction of 34,301 shares in direct beneficial ownership, although for tax purposes, slightly decreases the executive's direct stake.

Future Outlook

NA

Industry Context

This transaction is a routine insider filing common across all industries where executives receive equity compensation, reflecting standard tax compliance procedures for RSU vesting. It does not provide specific insights into Amplitude's competitive position or broader industry trends.

Related Party Transactions

• The transaction involves the withholding of shares by Amplitude, Inc. from its Chief Technology Officer, Curtis Liu, to cover tax obligations arising from RSU vesting. This is a standard compensation-related transaction between an executive and the company.

Stakeholder Impact

• Shareholders: Minimal direct impact as it's a routine tax withholding, not a discretionary sale. It confirms the executive's continued equity compensation.
• Employees: No direct impact.
• Customers/Suppliers/Creditors: No direct impact.

Key Dates

Recommendation

The filing details a routine tax withholding event for an executive's RSU vesting, which is a standard compensation practice and does not provide new information that would alter the fundamental investment thesis for Amplitude, Inc. It is a neutral event that does not suggest a change in company performance or outlook.

Keywords

Amplitude, AMPL, Curtis Liu, Form 4, Insider Transaction, Restricted Stock Units, RSU Vesting, Tax Withholding, Executive Compensation, Beneficial Ownership