Yuanbao CTO updates tax withholding to 1,280 shares

The amended report replaces the earlier estimated tax-withholding share count with the actual number.

This filing corrects an earlier one, and you can read the original Form 4 if you want to see what changed.

Rhea-AI Filing Summary

Yuanbao Inc. (YB) Chief Technology Officer Wang Bo Ethan reported 1,280 American Depositary Shares withheld for tax payment on September 16, 2026. The reported direct holding afterward was 4,720 ADSs. The amendment replaces the previously estimated withholding count with the actual number. Separately, the reported $12.31 per ADS is a weighted average price for ADS sales; the last such sale was completed September 23, 2026.

Insider Trade Summary

Tax Withholding: 1,280 shares

Tax Withholding 1 txn

Insider Wang Bo Ethan

Role Chief Technology Officer

Type	Security	Shares	Price	Value
Tax Withholding	American Depositary Shares F1, F2	1,280	$12.31	$16K

Holdings After Transaction: American Depositary Shares — 4,720 contracts (Direct)

Footnotes (2)

1. F1. Represents American Depositary Share ("ADS"). Each ADS is convertible at any time, at the holder's election, into six (6) Class A Ordinary Shares, with a par value of US$0.0001 per share, of Yuanbao Inc. The ADSs have no expiration date.
2. F2. The number of shares previously reported as being withheld for the payment of taxes was estimated. This amendment updates the Form 4 with the actual number of shares withheld. The price reported in Column 8 is a weighted average price per ADS sold, with the last of such sales completed on September 23, 2026. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the sales were effected.

Key Figures

ADSs withheld for tax payment: 1,280 ADSs Weighted-average sale price: $12.31 per ADS Direct ADS holdings following transaction: 4,720 ADSs +1 more

4 metrics

ADSs withheld for tax payment 1,280 ADSs Reported for September 16, 2026

Weighted-average sale price $12.31 per ADS Weighted average price reported for ADS sales; the last such sale was completed September 23, 2026

Direct ADS holdings following transaction 4,720 ADSs Reported following the September 16, 2026 transaction

Class A ordinary shares convertible per ADS 6 Class A ordinary shares per ADS Convertible at the holder's election

Key Terms

American Depositary Shares, weighted average price, par value

3 terms

American Depositary Shares financial

"Represents American Depositary Share ("ADS")"

American depositary shares (ADSs) are a way for investors in the United States to buy shares of foreign companies without dealing with international markets directly. They represent ownership in a foreign company's stock and are traded on U.S. stock exchanges, making it easier for American investors to buy, sell, and own parts of companies from around the world.

weighted average price financial

"a weighted average price per ADS sold"

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

par value financial

"with a par value of US$0.0001 per share"

Par value is the fixed amount printed on a bond or stock that represents its original value when issued. It’s like the face value of a coin or bill—what the issuer promises to pay back or the starting price of a stock—though it often doesn’t change with market prices. It matters because it helps determine certain financial details, like how much the company will pay back at maturity.

FAQ

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

How many YB ADSs were withheld for taxes?

Yuanbao Inc. reported 1,280 American Depositary Shares withheld for tax payment on September 16, 2026. The amendment updates the previously estimated withholding count to the actual number, and the reported direct holding afterward was 4,720 ADSs.

What does one YB ADS represent?

Each American Depositary Share is convertible at any time, at the holder's election, into six Class A ordinary shares. The ADSs have no expiration date.

Was the YB transaction reported under a Rule 10b5-1 plan?

No Rule 10b5-1 plan is reported.

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

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Available on EDGAR 09/25/2026 - 08:49 AM Accepted by SEC EDGAR 09/25/2026 - 08:49 AM 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^*

Wang Bo Ethan

(Last) (First) (Middle)

BUILDING 2, NO.8 BEICHEN WEST ROAD,

CHAOYANG DISTRICT

(Street)

BEIJING 100101

(City) (State) (Zip)

CHINA

(Country)

2. Issuer Name and Ticker or Trading Symbol
Yuanbao Inc. [ YB ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/16/2026

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)
09/18/2026

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

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
American Depositary Shares	(1)	09/16/2026		F			1,280(2)	(1)	(1)	Class A ordinary shares	7,680	$12.31(2)	4,720	D

Explanation of Responses:

1. Represents American Depositary Share ("ADS"). Each ADS is convertible at any time, at the holder's election, into six (6) Class A Ordinary Shares, with a par value of US$0.0001 per share, of Yuanbao Inc. The ADSs have no expiration date.

2. The number of shares previously reported as being withheld for the payment of taxes was estimated. This amendment updates the Form 4 with the actual number of shares withheld. The price reported in Column 8 is a weighted average price per ADS sold, with the last of such sales completed on September 23, 2026. The Reporting Person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the sales were effected.

	/s/ Wang Bo	09/25/2026
	** 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)