[Form 4] IDEX CORP /DE/ Insider Trading Activity

Rhea-AI Filing Summary

IDEX CORP executive Tara M. Tereso reported equity compensation changes and related tax withholding. On February 19, 2026, she acquired an award of 1,055 shares of common stock and 4,445 stock options at an exercise price of $0.0000 per option, described as grants or awards. The restricted shares vest in three roughly equal annual installments beginning February 19, 2027, and the options vest in four roughly equal annual installments beginning the same date, in each case conditioned on continued service.

On February 23, 2026, 154 shares of common stock were disposed of at a price of $207.48 per share to satisfy tax withholding obligations, a non‑market “F” code transaction. After these transactions, Tereso directly held 5,836 shares of common stock and 4,445 options.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Tereso Tara M.

(Last) (First) (Middle)

3100 SANDERS ROAD

SUITE 301

(Street)

NORTHBROOK IL 60062

(City) (State) (Zip)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Group Executive, HST

3. Date of Earliest Transaction (Month/Day/Year)
02/19/2026

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
COMMON STOCK	02/19/2026		A		1,055(1)	A	$0	5,990	D
COMMON STOCK	02/23/2026		F		154	D	$207.48	5,836	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
OPTIONS (RIGHT TO BUY)	$207.86	02/19/2026		A		4,445		(2)	02/19/2036	COMMON STOCK	4,445	$0	4,445	D

Explanation of Responses:

1. Represents an award of restricted shares, which vest in three substantially equal annual installments beginning February 19, 2027, subject to the Reporting Person's continuous service through each such date.

2. This option will vest in four substantially equal annual installments beginning February 19, 2027, subject to the Reporting Person's continuous service through each such date.

	/s/ Sam Rayburn, by Power of Attorney	02/23/2026
	** 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 4 (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).
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