Zhengye Biotechnology (ZYBT) Form 3 shows no trades by Co-CEO

Rhea-AI Filing Summary

Zhengye Biotechnology Holding Ltd filed a Form 3 for Co-Chief Executive Officer Song Songlin, serving as an initial statement of beneficial ownership. The filing shows no reportable transactions or derivative positions and does not list any buy, sell, acquisition, or disposition activity.

Key Figures

Buy shares reported: 0 shares Sell shares reported: 0 shares Net buy/sell shares: 0 shares +1 more

4 metrics

Buy shares reported 0 shares Form 3 transactionSummary buyShares

Sell shares reported 0 shares Form 3 transactionSummary sellShares

Net buy/sell shares 0 shares Form 3 transactionSummary netBuySellShares

Derivative transactions 0 Form 3 derivativeTransactionCount

Key Terms

Form 3, beneficial ownership, Co-Chief Executive Officer

3 terms

Form 3 regulatory

"filed a Form 3 for Co-Chief Executive Officer Song Songlin"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

beneficial ownership financial

"serving as an initial statement of beneficial ownership"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Co-Chief Executive Officer financial

"filed a Form 3 for Co-Chief Executive Officer Song Songlin"

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

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FAQ

What does Zhengye Biotechnology (ZYBT) Form 3 for Song Songlin show?

The Form 3 for Co-Chief Executive Officer Song Songlin shows no reportable transactions or derivative positions. It serves as an initial statement of beneficial ownership, with all buy, sell, acquire, and dispose share counts reported as zero in this filing.

Did Song Songlin buy or sell any ZYBT shares in this Form 3?

No, the filing reports zero buy and zero sell shares for Song Songlin. Transaction counts and net buy/sell shares are all listed as zero, indicating no reportable trading activity in Zhengye Biotechnology Holding Ltd shares in this Form 3.

Does the ZYBT Form 3 disclose any derivative positions for Song Songlin?

No, the derivative section for Song Songlin is empty in this Form 3. The derivativeTransactionCount and exerciseShares are reported as zero, and the derivativeSummary contains no entries, indicating no options, warrants, or similar instruments are reported here.

What is Song Songlin’s role at Zhengye Biotechnology (ZYBT) in this Form 3?

The filing identifies Song Songlin as an officer serving as Co-Chief Executive Officer of Zhengye Biotechnology Holding Ltd. The individual is not listed as a director or ten percent owner in the structured data for this specific Form 3 filing.

What does a zero netBuySellShares figure mean in ZYBT’s Form 3?

A netBuySellShares value of zero means no net buying or selling activity is reported. For Song Songlin, buyShares, sellShares, and netBuySellDirection all indicate neutral activity, so this Form 3 functions purely as a registration of insider status without trades.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Song Songlin

(Last) (First) (Middle)

NO.1 LIANMENG ROAD

(Street)

JILIN CITY JILIN PROVINCE 132101

(City) (State) (Zip)

CHINA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
06/25/2026

3. Issuer Name and Ticker or Trading Symbol
Zhengye Biotechnology Holding Ltd [ ZYBT ]

3a. Foreign Trading Symbol

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Co-Chief Executive Officer

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Songlin Song	06/25/2026
	** 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 5 (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 3: SEC 1473 (03-26)