Amprius Technologies ($AMPX) Insider Trading & Smart Money Activity

Amprius Technologies, Inc. · Electrical Equipment & Parts · Latest filing Jun 15, 2026

Amprius Technologies, Inc. ($AMPX) has 1 insider trade and 2 13F position changes on file. In the last 12 months on the open market, no insider bought and 1 insider sold ($1.46M), net -$1.46M.

Insider buyers (12 mo): 0
Insider sellers (12 mo): 1
Net insider $ (12 mo): -$1.46M
Congress trades (12 mo): 0
13F moves on file: 2
Analyst ratings on file: 0

AMPX insider buying and selling by quarter

Quarter	Insider sales	Congress buys / sales	13F added / cut
Q1 2026	0	0 / 0	0 / 0
Q2 2026	1 · $1.46M	0 / 0	2 / 0
Q3 2026	0	0 / 0	0 / 0
Q4 2026	0	0 / 0	0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All AMPX insider, congress, 13F and analyst activity

Date	Source	Who	Action	Shares	Value / amount	1W	1M	Story
Jun 15, 2026	Insider	Donald Dixon	Sell (Open-market sale)	85K sh	$1.46M	-7.0%	-32.6%	Read
May 15, 2026	13F	Two Sigma Investments	Added	+2.07M sh	$59.95M	-4.9%	-0.2%	—
May 15, 2026	13F	Two Sigma Investments	Added	+2.07M sh	$56.69M	-4.9%	-0.2%	—

1W / 1M / 6M = how AMPX moved from the trade or filing date.

Insider trading in AMPX: who is buying and selling

Insider	Role	Trades	Open-market net	Shares held	Last trade
Donald Dixon		1	-$1.46M		Jun 15, 2026

Institutions moving AMPX (13F)

Two Sigma Investments2

Frequently asked questions

Are AMPX insiders buying or selling?

Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 1 insider made 1 open-market sale worth $1.46M, a net -$1.46M.

What is the latest insider trade in AMPX?

Donald Dixon filed a sell (open-market sale) of 85K sh worth $1.46M on Jun 15, 2026.

Which institutions changed their AMPX positions?

Recent 13F filers moving the stock include Two Sigma Investments.

Other electrical equipment & parts stocks

All stocks Insider cluster buys Top insider purchases Congress 13F institutions

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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