$AMPX

DIXON DONALD R sold $320K of AMPX (indirect holdings)

DIXON DONALD R sold 17,895 indirectly-held shares of Amprius Technologies, Inc. (AMPX) at $17.90 ($0.32M total) on 2026-05-26.

Original reporting
SEC EDGAR · DIXON DONALD R
Published May 28, 2026, 4:00 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Aug 6, 2026, 8:40 AM 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
$AMPX
Neutral
medium confidence
Mentioned
$AMPX
Relevance
4/10
alphai data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$AMPXNeutralLow
01

Why it matters

The newest fact is the director’s open-market sale details (shares, price, total value) and post-transaction holdings; it does not provide new company fundamentals.

02

Market read

Traders may briefly reassess sentiment around AMPX due to insider selling, but there is no accompanying fundamental catalyst in the text.

03

What to watch

The filing notes no pre-arranged 10b5-1 plan, which can increase interpretive noise; traders should watch for subsequent insider buys/sales and any concurrent company news.

Relevance 4/10Novelty 4/10Timing: filed 2026-05-28, transaction dated 2026-05-26

Background

The article is a SEC Form 4 insider transaction disclosure for Amprius Technologies, Inc. (AMPX).

Company-level read

Ticker impact

$AMPXNeutralMedium confidence
Context

Amprius Technologies disclosed a Form 4 showing director Dixon Donald R sold 17,895 shares in an open-market transaction for about $320K.

Expected impact

Likely limited near-term impact; any effect would be short-lived unless followed by additional disclosures or company-specific news.

Evidence & confidence

The filing is primary-source and time-stamped, but the transaction is modest in size and does not include new operational, financial, or regulatory information.

Market effects

No clear sector read-through from a single director sale without accompanying company guidance or regulatory developments.

None indicated.

None indicated.

Counterpoint

The sale could be for diversification, taxes, or pre-existing personal liquidity needs, so it may not reflect negative views on the business.

Key entities

  • Amprius Technologies, Inc.

    Subject of the Form 4 insider transaction disclosure.

  • DIXON DONALD R

    Director who sold 17,895 shares of AMPX at $17.8962/share (indirect holdings).

Related articles

$AMPXMedAI 8/10

Why is Amprius Technologies stock surging today?

Amprius Technologies (AMPX) shares rose about 8.1% pre-open after the company reported Q2 2026 revenue of $34.0M, up 126% year over year, beating expectations. Amprius raised full-year 2026 revenue guidance to at least $140.0M, while targeting net loss under $10.0M and non-GAAP Adjusted EBITDA of at least $4.0M. GAAP EPS missed due to a warrant modification impact.

$AMPXHigh

Amprius Technologies, Inc. (AMPX): Results of Operations and Financial Condition

Amprius Technologies, Inc. (AMPX) filed an SEC Form 8-K — Results of Operations and Financial Condition. EX-99.1 2 ampx-2026x08x04x8kex991.htm EX-99.1 Document Exhibit 99.1 Amprius Technologies Reports Second Quarter 2026 Financial Results and Recent Business Highlights • Q2 2026 revenue more than doubled year-over-year to $34.0 million. • Net loss of $5.1 million, representing a 20