Liu Curtis 4

What Happened
Curtis Liu, listed as a >10% owner of Amplitude, Inc. (AMPL), sold 30,061 shares in an open-market/private sale on March 5, 2026. The filing reports a weighted-average sale price of $8.00 per share (total proceeds ≈ $240,539). This was a sale (transaction code S), commonly considered routine insider liquidity rather than a purchase signal.

Key Details

• Transaction date: March 5, 2026; Form 4 filed March 9, 2026 (within the standard 2-business-day filing window).
• Price: weighted average $8.00 per share; execution occurred in multiple trades at prices ranging $8.00–$8.02 (filing discloses range and offers to provide per-trade breakdown on request).
• Shares disposed: 30,061; proceeds reported ≈ $240,539.
• Shares owned after the transaction: filing does not list a single total in the provided excerpt; footnote notes "Includes 568,585 restricted stock units."
• Notable footnotes: (F1) Sale executed under a 10b5-1 trading plan adopted Nov 26, 2025; (F2) multiple trade price range $8.00–$8.02; (F3) ownership figure includes 568,585 RSUs.
• Filing timeliness: Filed March 9, 2026 for a March 5 transaction—timely per Form 4 rules.

Context

• Because this sale was made under a pre-established 10b5-1 plan, it is typically considered an automated/liquidity transaction rather than a discretionary trade by management.
• As a >10% owner, Liu is a reporting insider; such sales disclose insider liquidity but do not, by themselves, indicate the insider’s view of the company’s prospects.