ImageneBio (IMA) director Su Wei-guo files insider report with no trades

Rhea-AI Filing Summary

ImageneBio, Inc. director Su Wei-guo has filed an insider ownership report showing no reportable transactions or derivative positions. The filing’s transaction summary lists zero buys, zero sells, zero exercises, and no gifts, tax withholdings, or restructurings, indicating a baseline disclosure without trading activity.

Key Figures

Buy transactions: 0 buys / 0 shares Sell transactions: 0 sells / 0 shares Option exercises: 0 exercises / 0 shares +2 more

5 metrics

Buy transactions 0 buys / 0 shares Transaction summary for Su Wei-guo

Sell transactions 0 sells / 0 shares Transaction summary for Su Wei-guo

Option exercises 0 exercises / 0 shares Derivative-related activity in summary

Gifts and tax withholdings 0 gifts / 0 tax-withheld shares Gift and taxWithholding counts in summary

Net buy/sell direction neutral, 0 shares netBuySellDirection and netBuySellShares

Understanding Insider Trading Forms →

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

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1. Name and Address of Reporting Person^*

Su Wei-guo

(Last) (First) (Middle)

C/O IMAGENEBIO, INC.

2526 HIGH BLUFF DRIVE

(Street)

SAN DIEGO CALIFORNIA 92130

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/16/2026

3. Issuer Name and Ticker or Trading Symbol
ImageneBio, Inc. [ IMA ]

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)

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

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/ Wei-guo Su	04/16/2026
	** 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)

FAQ

What does Su Wei-guo’s insider filing for IMA show?

The filing for ImageneBio, Inc. lists director Su Wei-guo with no reportable transactions. All transaction counters, including buys, sells, exercises, gifts, tax withholdings, and restructurings, are zero, and no derivative positions are reported in the derivative summary.

Were any IMA shares bought or sold in Su Wei-guo’s filing?

No. The transaction summary shows buyCount 0 and sellCount 0, with buyShares 0 and sellShares 0. This indicates that no open-market purchases or sales of ImageneBio, Inc. shares are reported in this insider ownership statement.

Does the IMA insider filing report any option exercises or derivatives?

No derivative activity is reported. The filing lists exerciseCount 0, exerciseShares 0, and a derivativeTransactionCount 0, while the derivativeSummary is empty, indicating no disclosed options, warrants, or other derivative positions tied to this report.

Are there any gifts or tax-related share disposals in this IMA filing?

No. The filing shows giftCount 0 and taxWithholdingCount 0, with corresponding share amounts at zero. This means there are no reported share transfers by gift and no shares withheld for tax obligations in this insider disclosure.

What is the overall trading direction in Su Wei-guo’s IMA insider data?

The filing’s transaction summary lists netBuySellDirection as neutral with netBuySellShares 0. Combined with all transaction counts at zero, this indicates there was no net buying or selling activity reported for this insider at the time of the filing.