Amprius (AMPX) Schedule 13G/A: Reporting Persons Hold 0 Shares

Rhea-AI Filing Summary

Amprius Technologies, Inc. (AMPX) Schedule 13G/A amendment reports that the four reporting persons identified—SAIF Partners IV L.P., SAIF IV GP, L.P., SAIF IV GP Capital Ltd., and Andrew Y. Yan—beneficially own 0 shares of Amprius common stock as of June 30, 2025, representing 0.0% of the class. The filing states the reporting persons are not a group and provides their jurisdictions of organization (Cayman Islands for the entities; Hong Kong for Mr. Yan). The document includes a certification that the securities were not acquired to influence control and references a previously filed joint filing agreement as Exhibit 99.1.

Insights

Financial Analyst

TL;DR The filing discloses no beneficial ownership by these reporting persons, indicating no voting or dispositive influence.

The Schedule 13G/A shows each reporting person holds zero shares and zero voting or dispositive power as of June 30, 2025, and reports 0.0% ownership of the class. This is a routine disclosure that confirms these entities and the individual have no current economic stake or voting influence to report. From a capital markets perspective, the filing is neutral: it does not signal accumulation or disposition activity by these parties.

Corporate Governance Expert

TL;DR The amendment documents absence of beneficial ownership and reiterates non-group status; governance impact is minimal.

The reporting persons expressly disclaim group status and certify the shares were not acquired to influence control. With all rows reflecting zero sole and shared voting and dispositive power, there is no change to governance or shareholder voting dynamics attributable to these filers. The inclusion of the joint filing agreement by reference is procedural and does not alter substance.

FAQ

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

What does the Schedule 13G/A for Amprius Technologies (AMPX) disclose?

The filing discloses that SAIF Partners IV L.P., SAIF IV GP, SAIF IV GP Capital Ltd., and Andrew Y. Yan each beneficially own 0 shares of Amprius common stock as of June 30, 2025 (0.0%).

Does the filing indicate these reporting persons form a group with respect to AMPX?

No. The reporting persons expressly disclaim status as a group for purposes of this Schedule 13G.

Do any of the reporting persons have voting or dispositive power over AMPX shares?

No. The cover pages report 0 sole and 0 shared voting power and dispositive power for each reporting person.

What jurisdiction are the reporting entities and individual from?

The three entity reporting persons are organized in the Cayman Islands; Andrew Y. Yan is a citizen/place of organization listed as Hong Kong.

Is there any agreement referenced in the filing?

Yes. The filing incorporates by reference Exhibit 99.1, a Joint Filing Agreement previously filed on October 28, 2024.

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

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Accepted by SEC EDGAR 08/14/2025 - 05:01 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 2)

Amprius Technologies, Inc.

(Name of Issuer)

Common Stock, $0.0001 par value per share

(Title of Class of Securities)

03214Q108

(CUSIP Number)

06/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 03214Q108

1

Names of Reporting Persons

SAIF Partners IV L.P.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

CUSIP No. 03214Q108

1

Names of Reporting Persons

SAIF IV GP, L.P.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

CUSIP No. 03214Q108

1

Names of Reporting Persons

SAIF IV GP Capital Ltd.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

FI

SCHEDULE 13G

CUSIP No. 03214Q108

1

Names of Reporting Persons

Andrew Y. Yan

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

HONG KONG

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

0.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Amprius Technologies, Inc.
(b)	Address of issuer's principal executive offices: 1180 Page Avenue, Fremont, CA, 94538.
Item 2.
(a)	Name of person filing: The names of the persons filing this report (collectively, the "Reporting Persons") are: Andrew Y. Yan ("Yan") SAIF Partners IV L.P. ("SAIF IV LP") SAIF IV GP, L.P. ("SAIF IV GP") SAIF IV GP Capital Ltd. ("SAIF IV Capital") The Reporting Persons expressly disclaim status as a "group" for purposes of this Schedule 13G.
(b)	Address or principal business office or, if none, residence: SAIF IV LP SAIF IV GP SAIF IV Capital c/o Maples Corporate Services Limited P.O. Box 309, Ugland House Grand Cayman, KY1-1104 Cayman Islands Yan Flat 9, 39 Deep Water Bay Road Deep Water Bay Hong Kong
(c)	Citizenship: SAIF IV LP Cayman Islands SAIF IV GP Cayman Islands SAIF IV Capital Cayman Islands Yan Hong Kong
(d)	Title of class of securities: Common Stock, $0.0001 par value per share
(e)	CUSIP No.: 03214Q108
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: Row 9 of each Reporting Person's cover page to this Schedule 13G sets forth the aggregate number of securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2025 and is incorporated by reference.
(b)	Percent of class: Row 11 of each Reporting Person's cover page to this Schedule 13G sets forth the percentages of the securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2025 and is incorporated by reference.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Row 5 of each Reporting Person's cover page to this Schedule 13G sets forth the sole power to vote or to direct the vote of securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2025 and is incorporated by reference.
	(ii) Shared power to vote or to direct the vote: Row 6 of each Reporting Person's cover page to this Schedule 13G sets forth the shared power to vote or to direct the vote of securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2025 and is incorporated by reference.
	(iii) Sole power to dispose or to direct the disposition of: Row 7 of each Reporting Person's cover page to this Schedule 13G sets forth the sole power to dispose or to direct the disposition of securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2025 and is incorporated by reference.
	(iv) Shared power to dispose or to direct the disposition of: Row 8 of each Reporting Person's cover page to this Schedule 13G sets forth the shared power to dispose or to direct the disposition of securities of the Issuer beneficially owned by such Reporting Person as of June 30, 2025 and is incorporated by reference.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

SAIF Partners IV L.P.

Signature:	/s/ Andrew Y. Yan
Name/Title:	By SAIF IV GP, L.P., its General Partner, By SAIF IV GP Capital Ltd., its General Partner, By Andrew Y. Yan, Director
Date:	08/14/2025

SAIF IV GP, L.P.

Signature:	/s/ Andrew Y. Yan
Name/Title:	By SAIF IV GP Capital Ltd., its General Partner, By Andrew Y. Yan, Director
Date:	08/14/2025

SAIF IV GP Capital Ltd.

Signature:	/s/ Andrew Y. Yan
Name/Title:	By Andrew Y. Yan, Director
Date:	08/14/2025

Andrew Y. Yan

Signature:	/s/ Andrew Y. Yan
Name/Title:	Andrew Y. Yan
Date:	08/14/2025

Exhibit Information

Exhibit 99.1 Joint Filing Agreement (incorporated by reference to Exhibit 99.A to the Reporting Persons Schedule 13G filed with the SEC on October 28, 2024).