Amprius Technologies (NYSE: AMPX) CFO awarded 150,000 RSUs vesting to 2030

Rhea-AI Filing Summary

Amprius Technologies, Inc. reported that Chief Financial Officer Ricardo C. Rodriguez acquired 150,000 restricted stock units, each representing one share of common stock, at a price of $0.00 per unit. These units vest 1/16 starting on May 20, 2026 and quarterly thereafter until fully vested on February 20, 2030, subject to continued service. Following this award, he holds 350,000 restricted stock units in total.

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

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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^*

RODRIGUEZ RICARDO C.

(Last) (First) (Middle)

1180 PAGE AVE.

(Street)

FREMONT CA 94538

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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

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

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

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	03/04/2026		A		150,000(1)	A	$0	350,000(2)	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. The securities are represented by restricted stock units. Each restricted stock unit represents the reporting person's right to receive one share of the issuer's common stock. 1/16th of shares subject to award will vest on May 20, 2026 and quarterly thereafter on each August 20, November 20, February 20 and May 20, subject to the reporting person's continued service on each such date, until the award is fully vested on February 20, 2030.

2. Includes 350,000 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 restricted stock unit.

Remarks:

	/s/ Ricardo C. Rodriguez	03/06/2026
	** 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.
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FAQ

What insider transaction did Amprius Technologies (AMPX) report for its CFO?

Amprius Technologies reported that its Chief Financial Officer, Ricardo C. Rodriguez, received a grant of 150,000 restricted stock units at a price of $0.00 per unit. Each restricted stock unit represents the right to receive one share of common stock, subject to vesting conditions.

How many Amprius (AMPX) restricted stock units does the CFO hold after this Form 4?

After the reported award, Amprius CFO Ricardo C. Rodriguez holds 350,000 restricted stock units. Each unit represents a contingent right to receive one share of Amprius common stock, depending on satisfaction of the specific vesting schedule and service-based conditions attached to each restricted stock unit.

What is the vesting schedule for the 150,000 Amprius (AMPX) restricted stock units?

The 150,000 restricted stock units vest over time. One-sixteenth of the shares subject to the award vests on May 20, 2026, with additional vesting on each August 20, November 20, February 20, and May 20, until the award fully vests on February 20, 2030, contingent on continued service.

Does the Amprius (AMPX) CFO’s restricted stock unit grant require a purchase price?

The restricted stock unit grant to the Amprius CFO carries a transaction price of $0.00 per unit. Instead of a cash purchase, the units represent a right to receive common shares in the future if the specified vesting schedule and continued service requirements are satisfied over time.

What type of insider transaction is reported in this Amprius (AMPX) Form 4?

The Form 4 describes an acquisition coded as a grant, award, or other acquisition of non-derivative common stock in the form of restricted stock units. It is not an open-market buy or sell, but an equity compensation award subject to multi-year vesting conditions and service requirements.

How long does the Amprius (AMPX) CFO’s RSU award take to fully vest?

The CFO’s restricted stock unit award is structured to vest gradually over nearly four years. Vesting begins with 1/16 of the shares on May 20, 2026, followed by quarterly vesting dates, until the grant becomes fully vested on February 20, 2030, assuming continued service.