IMA insider Form 3 shows zero beneficial ownership

Rhea-AI Filing Summary

ImageneBio, Inc. (IMA) reported an insider ownership update. A director filed a Form 3 initial statement of beneficial ownership effective 11/01/2025, indicating no securities are beneficially owned. The filing was made by one reporting person, and includes an Exhibit 24 Power of Attorney authorizing the attorney-in-fact to sign on the reporting person’s behalf.

This is a routine disclosure establishing the insider’s baseline ownership at the time they became subject to reporting.

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^*

SLATTERY JOSEPH P

(Last) (First) (Middle)

C/O IMAGENEBIO, INC.

2526 HIGH BLUFF DRIVE

(Street)

SAN DIEGO CA 92130

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
11/01/2025

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

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

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

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

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:

Remarks:

Exhibit 24 - Power of Attorney.

No securities are beneficially owned.

	/s/ Erin Butler, Attorney-in-Fact	11/07/2025
	** 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.

FAQ

What did IMA file?

IMA filed a Form 3, the initial statement of beneficial ownership by an insider.

What is the insider’s relationship to IMA?

The reporting person is a Director.

Did the insider report any holdings?

No. The filing states no securities are beneficially owned.

What is the event date for this Form 3?

The event date is 11/01/2025.

Is this a joint filing?

No. It was filed by one reporting person.

Is there a power of attorney on file?

Yes. The filing includes Exhibit 24 - Power of Attorney authorizing the signature.