IDEX director granted 805 RSUs in stock award

BUTHMAN MARK A reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

BUTHMAN MARK A reported acquisition or exercise transactions in this Form 4 filing.

IDEX CORP director Mark A. Buthman received an equity award in the form of restricted stock units. On May 6, 2026 he was granted 805 RSUs, each representing a contingent right to receive one share of IDEX common stock.

The RSUs vest in full on the earlier of May 6, 2027 and the date of IDEX’s next annual stockholders meeting, if that meeting is at least 50 weeks after the prior year’s meeting, and only if he remains in continuous service through the vesting date. Following this grant, he directly owns 10,025 shares of common stock.

Insider Trade Summary

Grant/Award: 805 shares

Grant/Award 1 txn

Insider BUTHMAN MARK A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	COMMON STOCK	805	$0.00	$0.00

Holdings After Transaction: COMMON STOCK — 10,025 shares (Direct)

Footnotes (1)

1. F1. Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. These RSUs vest in full on the earlier of May 6, 2027, and the date of the Issuer's next annual stockholders meeting if it is at least 50 weeks after the prior year's meeting, subject to the Reporting Person's continuous service through such date.

Key Figures

RSU grant size: 805 units Reported grant price: $0.0000 per share Shares owned after grant: 10,025 shares +2 more

5 metrics

RSU grant size 805 units Restricted stock units granted on May 6, 2026

Reported grant price $0.0000 per share Compensation award, not open-market purchase

Shares owned after grant 10,025 shares Total direct IDEX common stock holdings post-transaction

Vesting date trigger May 6, 2027 Full vesting if service continues through this date

Alternative vesting condition At least 50 weeks Next annual meeting must be at least 50 weeks after prior year’s

Key Terms

restricted stock units ("RSUs"), contingent right, continuous service, annual stockholders meeting

4 terms

restricted stock units ("RSUs") financial

"Represents an award of restricted stock units ("RSUs"). Each RSU represents"

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

contingent right financial

"Each RSU represents a contingent right to receive one share"

continuous service financial

"subject to the Reporting Person's continuous service through such date"

annual stockholders meeting financial

"the date of the Issuer's next annual stockholders meeting if it is at least"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did IDEX (IEX) director Mark A. Buthman report in this Form 4 filing?

IDEX director Mark A. Buthman reported receiving 805 restricted stock units as an equity award. Each RSU represents a contingent right to one share of IDEX common stock, increasing his direct holdings to 10,025 shares after the grant.

How many IDEX (IEX) shares were granted to Mark A. Buthman and at what price?

Mark A. Buthman was granted 805 restricted stock units with a reported price of $0.0000 per unit. These RSUs are a compensation award rather than an open-market purchase, with each unit convertible into one share of IDEX common stock at vesting.

When do Mark A. Buthman’s IDEX (IEX) RSUs from this award vest?

The RSUs vest in full on the earlier of May 6, 2027 and the date of IDEX’s next annual stockholders meeting, if that meeting occurs at least 50 weeks after the prior year’s meeting, provided Buthman continues serving through the vesting date.

How many IDEX (IEX) shares does Mark A. Buthman hold after this RSU grant?

After receiving the 805 restricted stock units, Mark A. Buthman directly owns 10,025 shares of IDEX common stock. This total reflects his holdings immediately following the reported award in the Form 4 filing for the May 6, 2026 transaction date.

Is Mark A. Buthman’s IDEX (IEX) Form 4 transaction a market purchase or sale?

The Form 4 transaction is not a market trade; it is a grant of 805 restricted stock units as compensation. The filing uses transaction code “A” for a grant or award, and the price is reported as $0.0000 per share, indicating no open-market buying or selling.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/08/2026 - 04:35 PM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

BUTHMAN MARK A

(Last) (First) (Middle)

3100 SANDERS ROAD

SUITE 301

(Street)

NORTHBROOK ILLINOIS 60062

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/06/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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	05/06/2026		A		805(1)	A	$0	10,025	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

Explanation of Responses:

1. Represents an award of restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's common stock. These RSUs vest in full on the earlier of May 6, 2027, and the date of the Issuer's next annual stockholders meeting if it is at least 50 weeks after the prior year's meeting, subject to the Reporting Person's continuous service through such date.

	/s/ Sam Rayburn, by Power of Attorney	05/08/2026
	** 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).
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.
* Form 4: SEC 1474 (03-26)