Initial Statement of Beneficial Ownership (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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(Print or Type Responses)

1. Name and Address of Reporting Person * Tereso Tara M. 2. Date of Event Requiring Statement (Month/Day/Year) 02/18/2026 3. Issuer Name and Ticker or Trading Symbol IDEX CORP /DE/ [IEX] (Last) (First) (Middle) 3100 SANDERS ROAD, SUITE 301 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Group Executive, HST 5. If Amendment, Date Original Filed (Month/Day/Year) (Street) NORTHBROOK, IL 60062 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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) COMMON STOCK 4,935(1) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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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 of Derivative Security: 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
OPTIONS (RIGHT TO BUY)	(2)	02/24/2032	COMMON STOCK	2,320	$188.99	D
OPTIONS (RIGHT TO BUY)	(3)	02/23/2033	COMMON STOCK	1,105	$225.69	D
OPTIONS (RIGHT TO BUY)	(4)	09/11/2033	COMMON STOCK	1,730	$215	D
OPTIONS (RIGHT TO BUY)	(5)	02/22/2034	COMMON STOCK	1,810	$235.13	D
OPTIONS (RIGHT TO BUY)	(6)	02/20/2035	COMMON STOCK	3,345	$196.07	D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Tereso Tara M. 3100 SANDERS ROAD SUITE 301 NORTHBROOK, IL 60062			Group Executive, HST

Signatures

/s/ Sam Rayburn, by Power of Attorney		02/23/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Includes 2,257 restricted shares, which vest as follows, subject to the Reporting Person?s continuous service through each such date: (i) 470 restricted shares vest on September 11, 2026, (ii) 987 restricted shares vest on September 16, 2026, and (iii) 800 restricted shares vest on February 20, 2028.
(2)	This option vests in four substantially equal annual installments beginning February 24, 2023, subject to the Reporting Person?s continuous service through each such date.
(3)	This option vests in four substantially equal annual installments beginning February 23, 2024, subject to the Reporting Person?s continuous service through each such date.
(4)	This option vests in four substantially equal annual installments beginning September 11, 2024, subject to the Reporting Person?s continuous service through each such date.
(5)	This option vests in four substantially equal annual installments beginning February 22, 2025, subject to the Reporting Person?s continuous service through each such date.
(6)	This option vests in four substantially equal annual installments beginning February 20, 2026, subject to the Reporting Person?s continuous service through each such date.
Remarks: Exhibit List: Exhibit 24 - Power of Attorney

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