U Power Ltd filed an amended Schedule 13G/A reporting that the listed Arena-related reporting persons hold 0 shares of Common Stock (CUSIP G9520U124). The filing lists each reporting entity, their Delaware organization, a New York principal business office, and repeats that aggregate beneficial ownership is 0 shares (0%).
The filing is signed by Tsering Lama as Chief Compliance Officer on 05/15/2026. No voting or dispositive powers are reported for the listed entities in the excerpt.
Positive
None.
Negative
None.
Insights
Amendment confirms no beneficial ownership by listed Arena entities.
The filing lists six related Arena entities and states an aggregate amount beneficially owned of 0 shares and 0% of the class. The cover-page fields for sole/shared voting and dispositive power are reported as 0.00.
Timing and signature are visible (05/15/2026); cash-flow treatment and any prior holdings or transfers are not included in the excerpt. Subsequent filings would be required to show any change.
Filing appears to be an administrative amendment documenting sub-5% ownership.
The document uses standard Schedule 13G/A structure: Item 1 identifies the issuer, Item 2 lists reporting persons and addresses, and Item 4 states aggregate ownership as 0 shares. Item 5 asserts "Ownership of 5 percent or less of a class."
The signature block shows repeated attestations by the Chief Compliance Officer. The excerpt contains no transaction details or dates of any purchases/sales beyond the signature date.
Key Figures
Aggregate beneficial ownership:0 sharesPercent of class:0%CUSIP:G9520U124+2 more
Percent of class0%Item 4 aggregate percent of class
CUSIPG9520U124Cover page identifier for Common Stock
Signature date05/15/2026Signature block by Chief Compliance Officer
Issuer address2F, ZUOAN 88 A, LUJIAZUI, SHANGHAI, CHINA, 200122Item 1(b) issuer principal executive offices
Key Terms
Schedule 13G/A, beneficially owned, CUSIP, sole/shared dispositive power
4 terms
Schedule 13G/Aregulatory
"Title and header identifying the form as an amendment"
A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.
beneficially ownedregulatory
"Item 4 states 'Amount beneficially owned: Aggregate - 0 shares'"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
CUSIPfinancial
"Cover page lists 'CUSIP No.: G9520U124'"
A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.
sole/shared dispositive powerregulatory
"Cover-page fields for disposition power listed as '0.00'"
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 1)
U Power Ltd
(Name of Issuer)
Common Stock
(Title of Class of Securities)
G9520U124
(CUSIP Number)
3/31/2026
(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)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
G9520U124
1
Names of Reporting Persons
Arena Investors LP
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
DELAWARE
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)
IA
SCHEDULE 13G
CUSIP Number(s):
G9520U124
1
Names of Reporting Persons
Arena Investors GP, LLC
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
DELAWARE
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)
OO
SCHEDULE 13G
CUSIP Number(s):
G9520U124
1
Names of Reporting Persons
Arena Special Opportunities Parallel Investor Vehicle III US, LP?
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
DELAWARE
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)
PN
SCHEDULE 13G
CUSIP Number(s):
G9520U124
1
Names of Reporting Persons
Arena Special Opportunities Parallel Investor Vehicle III GP, LLC
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
DELAWARE
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)
OO
SCHEDULE 13G
CUSIP Number(s):
G9520U124
1
Names of Reporting Persons
Arena Special Opportunities Partners III, LP?
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
DELAWARE
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)
PN
SCHEDULE 13G
CUSIP Number(s):
G9520U124
1
Names of Reporting Persons
Arena Special Opportunities Partners III GP, LLC
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
DELAWARE
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)
OO
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
U Power Ltd
(b)
Address of issuer's principal executive offices:
2F, ZUOAN 88 A, LUJIAZUI, 2F, ZUOAN 88 A, LUJIAZUI, SHANGHAI, CHINA, 200122
Item 2.
(a)
Name of person filing:
This Schedule 13G is filed by the following (the ?Reporting Persons?)?
(i) Arena Investors, LP (the ?Investment Manager?) who serves as investment manager to the Arena Funds (as defined below);
(ii) Arena Investors GP, LLC, who serves as the general partner of the Investment Manager (the ?IM General Partner?);
(iii) Arena Special Opportunities Parallel Investor Vehicle III US, LP (?ASOIII?)
(iv) Arena Special Opportunities Parallel Investor Vehicle III GP, LLC, who serves as the general partner of ASO III (the ?ASOIII General Partner?)
(v) Arena Special Opportunities Partners III, LP (?ASOPIII?; and collectively with ASOIII, the ?Arena Funds?); and
(vi) Arena Special Opportunities Partners III GP, LLC, who serves as the general partner of ASOPIII (the ?ASOPIII General Partner?).
(b)
Address or principal business office or, if none, residence:
The principal business office of the Reporting Person is 405 Lexington Avenue, 59th Floor, New York, NY, 10174.
(c)
Citizenship:
For citizenship or place of organization see Item 4 of the cover page of each reporting person.
(d)
Title of class of securities:
Common Stock
(e)
CUSIP No.:
G9520U124
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:
Aggregate - 0 shares; see also Item 9 on the cover page for each reporting person.
(b)
Percent of class:
Aggregate - 0%; see also Item 10 on the cover page for each reporting person.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
See Item 5 on the cover page for each Reporting Person.
(ii) Shared power to vote or to direct the vote:
See Item 6 on the cover page for each Reporting Person.
(iii) Sole power to dispose or to direct the disposition of:
See Item 7 on the cover page for each Reporting Person.
(iv) Shared power to dispose or to direct the disposition of:
See Item 8 on the cover page for each Reporting Person.
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.
Arena Investors LP
Signature:
Tsering Lama
Name/Title:
Chief Compliance Officer
Date:
05/15/2026
Arena Investors GP, LLC
Signature:
Tsering Lama
Name/Title:
Chief Compliance Officer
Date:
05/15/2026
Arena Special Opportunities Parallel Investor Vehicle III US, LP?
Signature:
Tsering Lama
Name/Title:
Chief Compliance Officer
Date:
05/15/2026
Arena Special Opportunities Parallel Investor Vehicle III GP, LLC
What does U Power Ltd's Schedule 13G/A with Arena Investors report?
It reports that the named Arena reporting persons collectively hold 0 shares of U Power Ltd Common Stock, representing 0% of the class, per the cover-page aggregate ownership statement.
Which entities are listed as reporting persons in the amendment?
The filing lists: Arena Investors, LP; Arena Investors GP, LLC; Arena Special Opportunities Parallel Investor Vehicle III US, LP; and related Arena GP entities, all shown with Delaware organization.
Who signed the Schedule 13G/A amendment for the Arena entities?
The document is signed by Tsering Lama, identified as Chief Compliance Officer, with signature dates shown as 05/15/2026 on the excerpt.
Does the filing show any voting or dispositive power for the Arena entities?
No; the cover-page entries for sole and shared voting power and for sole and shared dispositive power are shown as 0.00 in the provided excerpt.
Does this amendment indicate any recent purchases or sales by the reporting persons?
No transaction details are included in the excerpt; the amendment only states aggregate beneficial ownership as 0 shares (0%) and lists organizational and signature information.
