SEC FORM 3

SEC FORM 3 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^*

Tereso Tara M.

(Last)

(First)

(Middle)

3100 SANDERS ROAD

SUITE 301

(Street)

NORTHBROOK

60062

(City)

(State)

(Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
02/18/2026

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)
	Group Executive, HST

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)
COMMON STOCK	4,935⁽¹⁾	D

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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
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

Explanation of Responses:

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

	/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 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.

New insider Tereso Tara M. claimed ownership of 4,935 shares (SEC Form 3)