Form 4: Amplitude CEO's Spouse Sells Shares Under 10b5-1 Plan

Amplitude, Inc. CEO Spenser Skates' spouse sold 100 shares of Class A Common Stock for $12.00 per share, following a conversion from Class B shares, under a pre-arranged 10b5-1 trading plan.

Summary

• Spenser Skates, CEO, Director, and 10% Owner of Amplitude, Inc., reported transactions involving his spouse's holdings.
• On December 26, 2025, 100 shares of Class B Common Stock held indirectly by the spouse were converted into 100 shares of Class A Common Stock.
• Immediately following the conversion, 100 shares of Class A Common Stock were sold by the spouse at a price of $12.00 per share.
• These sales were executed pursuant to a Rule 10b5-1 trading plan adopted by the reporting person's spouse on August 8, 2025.
• Following these transactions, the spouse indirectly holds 567,157 shares of Class B Common Stock and 0 shares of Class A Common Stock from this specific transaction.
• Spenser Skates directly holds 5,342,146 shares of Class B Common Stock.

Sentiment

Score: 5

Explanation: Neutral. The transaction is a routine insider sale under a 10b5-1 plan, which is generally considered less impactful than an unplanned sale. It doesn't inherently signal strong positive or negative sentiment about the company's future, but it does represent a reduction in insider holdings.

Positives

• The sale was conducted under a Rule 10b5-1 trading plan, indicating a pre-planned transaction rather than a reaction to recent news, which can mitigate concerns about insider selling.

Negatives

• An insider sale, even if pre-planned, can sometimes be perceived negatively by the market, as it reduces the insider's direct equity exposure.
• The sale price of $12.00 per share provides a data point for the stock's valuation at the time of the transaction.

Future Outlook

NA

Industry Context

NA

Related Party Transactions

• Sale of 100 shares of Class A Common Stock by Spenser Skates' spouse at $12.00 per share, following conversion from Class B shares, under a pre-arranged 10b5-1 trading plan.

Stakeholder Impact

• Shareholders: A minor reduction in insider ownership, potentially viewed neutrally due to the 10b5-1 plan, but could be seen as a slight negative by some.

Key Dates

Recommendation

This Form 4 reports a routine insider sale by the CEO's spouse under a pre-arranged 10b5-1 plan. Such transactions are typically not indicative of a significant change in the company's fundamentals or future prospects. While it represents a reduction in insider ownership, the planned nature mitigates concerns. Investors should 'hold' and look to broader company performance, financial reports, and market conditions for investment decisions rather than this specific transaction.

Keywords

Amplitude Inc., AMPL, Spenser Skates, Insider Trading, Form 4, 10b5-1 Plan, Stock Sale, CEO, Class A Common Stock, Class B Common Stock