IDEX Corp (IEX) CFO Sean Gillen Reports No Beneficial Ownership on Form 3

Rhea-AI Filing Summary

IDEX Corporation insider Sean M. Gillen, SVP and Chief Financial Officer, filed an initial ownership report showing no beneficial ownership of company securities. The Form 3 indicates that, as of the event date of January 5, 2026, there are no non-derivative or derivative securities of IDEX Corp reported as beneficially owned by this officer.

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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^*

Gillen Sean M.

(Last) (First) (Middle)

3100 SANDERS ROAD

SUITE 301

(Street)

NORTHBROOK IL 60062

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
01/05/2026

3. Issuer Name and Ticker or Trading Symbol
IDEX CORP /DE/ [ IEX ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP, Chief Financial Officer

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 List: Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Sam Rayburn, by Power of Attorney	01/07/2026
	** 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.
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FAQ

Who is the insider in this IDEX (IEX) Form 3 filing?

The insider is Sean M. Gillen, who serves as Senior Vice President and Chief Financial Officer of IDEX Corporation.

What does this IDEX (IEX) Form 3 report about Sean Gillen's holdings?

The filing states in the remarks that no securities are beneficially owned by Sean M. Gillen as of the reported event date.

What is the event date for this IDEX (IEX) insider ownership report?

The date of the event requiring the statement is listed as January 5, 2026.

Does the Form 3 show any derivative securities for the IDEX (IEX) CFO?

No. Table II for derivative securities is empty, and the remarks clarify that no securities are beneficially owned.

Is this IDEX (IEX) Form 3 filed by more than one reporting person?

No. The filing indicates it is a Form filed by one reporting person, referring only to Sean M. Gillen.