Skates Spenser sold $17K of AMPL (indirect holdings)

Skates Spenser (CEO and President) sold 962 indirectly-held shares of Amplitude, Inc. (AMPL) at an average of $17.50 ($17.46–$18.67) across 3 trades over 2026-11-04 to 2026-11-05 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Skates Spenser
Published Nov 6, 2026, 9:40 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Nov 6, 2026, 9:44 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$AMPL
Bearish
high confidence
Mentioned
$AMPL
Relevance
2/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$AMPLBearishLow
01

Why it matters

The insider sell is small and unlikely to move the stock significantly, but it provides transparency on insider holdings.

02

Market read

Routine insider sale with limited market impact; useful for compliance monitoring.

03

What to watch

The transaction size is trivial relative to Amplitude's market cap and likely has minimal impact on share price.

Relevance 2/10Novelty 2/10Timing: after-hours filing on 2026‑11‑06

Background

Form 4 filings disclose insider transactions; a 10b5‑1 plan sale by the CEO is a standard disclosure.

Company-level read

Ticker impact

$AMPLBearishHigh confidence
Context

CEO Skates Spenser sold 962 shares for $16.8K via a 10b5‑1 plan, reducing his stake to zero.

Expected impact

likely modest pressure as the market prices the insider sell.

Evidence & confidence

The sale is small relative to market cap and disclosed via a Form 4, indicating a routine liquidity event.

Market effects

None

None

None

Counterpoint

The sale may be a routine liquidity move and not indicative of future weakness.

Key entities

  • Amplitude, Inc.

    Public software company (ticker AMPL) whose CEO sold shares.

  • Skates Spenser

    CEO and President of Amplitude, executing a 10b5‑1 sale.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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Amplitude Inc (AMPL) reported Q3 2026 earnings with 25% revenue growth and record profitability. CEO Spenser Skates highlighted Wave's potential and credited teams for improved demand. CFO Andrew Casey noted $21M ARR increase, with $6M from StatSig, and discussed margin improvements. The company expects new pricing to drive higher ASPs and longer contracts. StatSig's integration and security were also addressed.