Transaction · 0001045434-26-000005

Dixon Donald R

DIXON DONALD R, DIR, reported an open-market or private sale at Amprius Technologies, Inc. involving 17895.000000 shares for an estimated $320252.50. Reported holdings after the transaction were 484380.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code SDIR
AMPXAmprius Technologies, Inc.
Trade date
May 26, 2026
Filing date
May 28, 2026
View on SEC Insider profile
Disclosed value-$320kShares × reported price
Shares traded17.8k$17.90 per share
Holdings after484kIndirect · See Footnote
% of reported position traded3.56%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 502,275 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

AMPX price since this filing

Daily closing prices, with the filing date and available return windows
AMPX · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -0.9%1w ago -25.8%1d ago -23.1%
Returns since7d +8.1%30d -38.1%90d -51.1%180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001045434-26-000005
Common stock
Transaction date
May 26, 2026
Filed May 28, 2026, 10:10 PM · 2d delay
Shares
17,895 sh
$17.90 per share
Estimated value
-$320k
Computed from shares × price
Holdings after
484,380 sh
Indirect · See Footnote

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling
Filing-only score

+4 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
  • timely_filing+4 points

    reporting_delay_days = 2

    Filing reported within two business days of the transaction.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    On July 22, 2025, the reporting person transferred 125,000 shares of the issuer's common stock, which were previously held directly by the reporting person, to the The Dixon Revocable Trust, for which…

  2. F2

    These securities are held directly by The Dixon Revocable Trust, for which the reporting person and his spouse are co-trustees.

  3. F3

    These securities are held by Donald & Elizabeth Dixon 2004 Family Partners, of which Mr. Dixon is a co-general partner.

  4. F4

    Includes 44,444 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each…

Original filing · 0001045434-26-000005
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