Huachen AI Parking: Alta Partners reports 6.5% stake

The reported position includes sole voting and disposition authority, while the warrant shares are subject to a 4.99% beneficial ownership limitation.

Rhea-AI Filing Summary

Huachen AI Parking Management Technology Holding Co., Ltd. is the issuer of the Class A ordinary shares for which Alta Partners LLC reports beneficial ownership of 675,000 shares, or 6.5% of the class. Alta Partners reports sole voting and dispositive power over 675,000 shares, with no shared power. It also holds Ordinary Warrants for 675,000 Class A ordinary shares, which are currently not exercisable because of a 4.99% beneficial ownership limitation. Steven Cohen, Alta Partners LLC’s managing member, signed the report.

Key Figures

Beneficially owned Class A ordinary shares: 675,000 shares Percent of class: 6.5% Shares issuable upon exercise of Ordinary Warrants: 675,000 shares +3 more

6 metrics

Beneficially owned Class A ordinary shares 675,000 shares Held by Alta Partners LLC

Percent of class 6.5% Alta Partners LLC's reported beneficial ownership

Shares issuable upon exercise of Ordinary Warrants 675,000 shares Not currently exercisable

Beneficial ownership limitation 4.99% Applies to the Ordinary Warrants

Sole voting power 675,000 shares Alta Partners LLC

Sole dispositive power 675,000 shares Alta Partners LLC

Key Terms

beneficial ownership limitation, beneficially owned, sole voting power, sole dispositive power

4 terms

beneficial ownership limitation financial

"4.99% beneficial ownership limitation applicable to such warrants"

A beneficial ownership limitation is a rule that caps the percentage of a company’s shares an investor can be treated as owning or controlling for voting, regulatory or tax purposes. It matters to investors because it can restrict how many shares a person or group can buy or vote, affect takeover chances, and influence share liquidity and value — like a speed limit that prevents any single driver from taking over the whole road.

beneficially owned financial

"Amount beneficially owned: 675,000 Class A Ordinary 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.

sole voting power financial

"Sole power to vote or to direct the vote"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

sole dispositive power financial

"Sole power to dispose or to direct the disposition"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

FAQ

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

How many HCAI shares does Alta Partners beneficially own?

Alta Partners LLC reports beneficial ownership of 675,000 Class A ordinary shares, equal to 6.5% of the class. It reports sole voting and dispositive power over 675,000 shares, with shared voting and dispositive power of zero.

Can Alta Partners exercise its HCAI warrants?

Alta Partners LLC holds Ordinary Warrants for 675,000 Class A ordinary shares, but those shares are not currently exercisable because the warrants are subject to a 4.99% beneficial ownership limitation.

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

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

Add on Google Not now

Available on EDGAR 10/06/2026 - 04:06 PM Accepted by SEC EDGAR 10/06/2026 - 04:06 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Huachen AI Parking Management Technology Holding Co., Ltd

(Name of Issuer)

Class A Ordinary Shares, par value US$0.0000375 per share

(Title of Class of Securities)

G4645R122

(CUSIP Number)

09/16/2026

(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): G4645R122

1

Names of Reporting Persons

Alta Partners 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

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 675,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 675,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

675,000.00

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)

6.5 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Huachen AI Parking Management Technology Holding Co., Ltd
(b)	Address of issuer's principal executive offices: NO.1018 HAIHE ROAD, DUSHANGANG TOWN, PINGHU CITY, JIAXING, ZHEJIANG PROVINCE, JIAXING, CHINA, 314205.
Item 2.
(a)	Name of person filing: Alta Partners LLC
(b)	Address or principal business office or, if none, residence: 1205 Franklin Avenue, Garden City, New York 11530
(c)	Citizenship: New York Limited Liability Company
(d)	Title of class of securities: Class A Ordinary Shares, par value US$0.0000375 per share
(e)	CUSIP Number(s): G4645R122
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: 675,000 Class A Ordinary Shares held by the Reporting Person. Does not include 675,000 Class A Ordinary Shares issuable upon exercise of Ordinary Warrants held by the Reporting Person that are not currently exercisable due to the 4.99% beneficial ownership limitation applicable to such warrants.
(b)	Percent of class: 6.5%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 675,000
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 675,000
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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.

Alta Partners LLC

Signature:	/s/ Steven Cohen
Name/Title:	Steven Cohen, Managing Member
Date:	10/06/2026