Amprius director reports 40,000-share stock sale

Amprius Technologies director Donald R. Dixon reported an indirect open-market sale of 40,000 shares of common stock at $19.13 per share.

Rhea-AI Filing Summary

Amprius Technologies director Donald R. Dixon reported an indirect open-market sale of 40,000 shares of common stock at $19.13 per share. The transaction was coded as an open-market sale and involved indirectly held shares tied to family trust and partnership structures described in the footnotes.

After these transactions, Dixon reports 269,656 shares held directly and two separate indirect positions of 163,142 shares and 444,380 shares, respectively. The filing indicates these indirect holdings are through The Dixon Revocable Trust and the Donald & Elizabeth Dixon 2004 Family Partners, where he has roles described in the footnotes.

Insider Trade Summary

Net Seller: 40,000 shares

Net Sell 3 txns

Insider DIXON DONALD R

Role Director

Sold 40,000 shs ($765K)

Type	Security	Shares	Price	Value
Sale	Common stock	40,000	$19.13	$765K
holding	Common stock	--	--	--
holding	Common stock	--	--	--

Holdings After Transaction: Common stock — 607,522 shares (Indirect, See Footnote); Common stock — 269,656 shares (Direct)

Footnotes (2)

1. F1. These securities are held directly by The Dixon Revocable Trust, for which the reporting person and his spouse are co-trustees.
2. F2. These shares of common stock held by Donald & Elizabeth Dixon 2004 Family Partners, of which Mr. Dixon is a co-general partner.

Key Figures

Shares sold: 40,000 shares Sale price: $19.13 per share Direct holdings after transaction: 269,656 shares +3 more

6 metrics

Shares sold 40,000 shares Indirect open-market sale of common stock

Sale price $19.13 per share Price for 40,000-share indirect sale

Direct holdings after transaction 269,656 shares Direct common stock position following reported entries

Indirect holdings (position 1) 163,142 shares Indirect common stock position with footnote reference

Indirect holdings (position 2) 444,380 shares Indirect common stock position after 40,000-share sale

Net shares sold 40,000 shares Net sell direction in transaction summary

Key Terms

open-market sale, indirect, Revocable Trust, Family Partners, +1 more

5 terms

open-market sale financial

"transaction_action: "open-market sale" for the 40,000-share transaction"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

indirect financial

"Indirect ownership is indicated by ownership_code "I" with nature of ownership footnotes"

Revocable Trust financial

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

A revocable trust is a legal arrangement where the person who creates it keeps control and can change or cancel the trust at any time, while naming who will manage and receive the assets later. Think of it like a flexible folder for your investments and property that can be relabeled or reworked as circumstances change; it matters to investors because it determines how ownership is recorded, how easily assets transfer on incapacity or death, and whether holdings bypass public probate proceedings.

Family Partners financial

"These shares of common stock held by Donald & Elizabeth Dixon 2004 Family Partners, of which Mr. Dixon is a co-general partner."

Form 4 regulatory

"The insider transaction is reported on a Form 4 for Amprius Technologies, Inc."

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Amprius Technologies (AMPX) report for Donald R. Dixon?

Amprius Technologies (AMPX) reported that director Donald R. Dixon executed an indirect open-market sale of 40,000 shares of common stock. The transaction was coded as an “S” sale and priced at $19.13 per share, according to the Form 4 filing.

At what price were the 40,000 Amprius (AMPX) shares sold in Dixon’s Form 4?

The 40,000 Amprius (AMPX) shares were sold at $19.13 per share. The Form 4 characterizes this as an open-market or private sale transaction, providing a specific per-share sale price for the non-derivative common stock involved.

How many Amprius (AMPX) shares does Donald R. Dixon hold directly after this Form 4?

Following the reported transactions, Donald R. Dixon holds 269,656 shares of Amprius (AMPX) common stock directly. This direct ownership figure is shown as the total shares following the holding entry for his direct, non-derivative common stock position.

What indirect Amprius (AMPX) holdings does Donald R. Dixon report in the Form 4?

Donald R. Dixon reports two indirect Amprius (AMPX) common stock positions: one showing 163,142 shares and another showing 444,380 shares after the sale. The filing links these indirect holdings to The Dixon Revocable Trust and the Donald & Elizabeth Dixon 2004 Family Partners.

How are family entities involved in Donald R. Dixon’s Amprius (AMPX) holdings?

The Form 4 explains that some Amprius (AMPX) shares are held by The Dixon Revocable Trust, where Donald R. Dixon and his spouse are co-trustees, and by Donald & Elizabeth Dixon 2004 Family Partners, where he is a co-general partner, creating indirect ownership.

Does the Amprius (AMPX) Form 4 show any option exercises or derivative transactions for Dixon?

The Form 4 for Amprius (AMPX) shows no derivative transactions or option exercises for Donald R. Dixon. The derivative summary is empty, and the transaction summary reports zero exercise transactions and zero derivative transaction count for this filing.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 06/11/2026 - 05:56 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

DIXON DONALD R

(Last) (First) (Middle)

C/O AMPRIUS TECHNOLOGIES, INC.,

1180 PAGE AVENUE

(Street)

FREMONT CALIFORNIA 94538

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Amprius Technologies, Inc. [ AMPX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common stock	06/09/2026		S		40,000	D	$19.13	444,380	I	See Footnote(1)
Common stock								163,142	I	See Footnote(2)
Common stock								269,656	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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

2. These shares of common stock held by Donald & Elizabeth Dixon 2004 Family Partners, of which Mr. Dixon is a co-general partner.

Remarks:

	/s/ Ricardo C. Rodriguez, attorney-in-fact on behalf of Donald R. Dixon	06/11/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)